$119+ Cheap flights from District of Columbia to Missouri
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MCI
Jul 13 — Jul 201
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from District of Columbia to Missouri with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from District of Columbia to Missouri
Cheapest
Best
Last-minute
One-way
Cheapest flights from District of Columbia to MissouriExplore the most affordable flight options available from District of Columbia to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
Explore the most affordable flight options available from District of Columbia to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
This CheapOair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/11:21 pm
IAD
- STL
1 stop11h 38m
Frontier
Mon 8/37:10 pm
STL
- IAD
1 stop12h 10m
Frontier
Deal found 6/10![Frontier logo]()
$268
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:15 pm
IAD
- STL
1 stop5h 27m
American Airlines
Fri 10/21:54 pm
STL
- IAD
1 stop4h 05m
American Airlines
Deal found 6/8![American Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:20 pm
DCA
- STL
1 stop4h 40m
American Airlines
Mon 8/175:57 pm
STL
- DCA
Nonstop2h 17m
American Airlines
Deal found 6/9![American Airlines logo]()
$269
This CheapOair deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:18 pm
IAD
- STL
1 stop5h 41m
Frontier
Sun 8/24:09 pm
STL
- IAD
1 stop23h 28m
Frontier
Deal found 6/11![Frontier logo]()
$270
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:00 pm
DCA
- STL
1 stop26h 23m
Frontier
Thu 7/308:08 pm
STL
- DCA
1 stop24h 51m
Frontier
Deal found 6/10![Frontier logo]()
$270
This Gotogate deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:50 am
IAD
- STL
1 stop9h 25m
Frontier
Sun 7/264:09 pm
STL
- IAD
1 stop25h 24m
Frontier
Deal found 6/9![Frontier logo]()
$271
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:00 am
DCA
- STL
1 stop5h 32m
American Airlines
Mon 8/175:57 pm
STL
- DCA
Nonstop2h 17m
American Airlines
Deal found 6/9![American Airlines logo]()
$271
This Expedia deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:18 pm
IAD
- STL
1 stop5h 41m
Frontier
Sun 7/194:09 pm
STL
- IAD
1 stop25h 24m
Frontier
Deal found 6/7![Frontier logo]()
$272
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:00 pm
DCA
- STL
Nonstop2h 15m
Southwest
Sat 7/188:15 am
STL
- DCA
Nonstop1h 55m
Southwest
Deal found 6/8![Southwest logo]()
$272
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:34 pm
IAD
- STL
1 stop6h 06m
American Airlines
Thu 8/133:25 pm
STL
- IAD
1 stop6h 30m
American Airlines
Deal found 6/12![American Airlines logo]()
$273
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:00 am
DCA
- STL
1 stop4h 30m
American Airlines
Thu 9/2412:50 pm
STL
- DCA
1 stop4h 35m
American Airlines
Deal found 6/12![American Airlines logo]()
$273
This Trip.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:49 am
IAD
- STL
1 stop10h 48m
Frontier
Tue 7/214:09 pm
STL
- IAD
1 stop17h 07m
Frontier
Deal found 6/11![Frontier logo]()
$274
Best flights from District of Columbia to MissouriDiscover carefully curated flight deals from District of Columbia to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
Discover carefully curated flight deals from District of Columbia to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:15 am
DCA
- STL
Nonstop2h 20m
Southwest
Mon 8/107:55 pm
STL
- DCA
Nonstop2h 00m
Southwest
Deal found 6/12![Southwest logo]()
$269
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:57 am
DCA
- STL
1 stop4h 49m
United Airlines
Tue 7/146:00 am
STL
- DCA
1 stop6h 04m
United Airlines
Deal found 6/10![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:59 am
DCA
- STL
1 stop5h 57m
Delta
Mon 9/73:39 pm
STL
- DCA
1 stop7h 09m
Delta
Deal found 6/12![Delta logo]()
$303
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:24 pm
DCA
- COU
1 stop4h 56m
American Airlines
Fri 8/148:09 am
COU
- DCA
1 stop6h 49m
American Airlines
Deal found 6/8![American Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:32 pm
IAD
- SGF
1 stop28h 37m
Multiple Airlines
Thu 9/34:58 pm
SGF
- IAD
2 stops25h 54m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:15 am
DCA
- STL
Nonstop2h 20m
Southwest
Mon 8/177:55 pm
STL
- DCA
Nonstop2h 00m
Southwest
Deal found 6/11![Southwest logo]()
$275
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:10 pm
DCA
- COU
1 stop4h 45m
United Airlines
Sat 10/103:19 pm
COU
- DCA
1 stop4h 55m
United Airlines
Deal found 6/10![United Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:25 am
DCA
- STL
2 stops8h 05m
Southwest
Fri 8/73:45 pm
STL
- DCA
1 stop6h 35m
Southwest
Deal found 6/11![Southwest logo]()
$279
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:00 am
DCA
- STL
1 stop4h 43m
Delta
Mon 7/206:09 pm
STL
- DCA
1 stop3h 50m
Delta
Deal found 6/8![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:39 am
DCA
- STL
1 stop4h 35m
Delta
Fri 8/146:05 am
STL
- DCA
1 stop5h 37m
Delta
Deal found 6/12![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:40 am
DCA
- STL
2 stops7h 15m
Southwest
Thu 8/610:10 am
STL
- DCA
2 stops6h 50m
Southwest
Deal found 6/12![Southwest logo]()
$283
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:10 pm
DCA
- COU
1 stop5h 45m
United Airlines
Tue 8/1810:55 am
COU
- DCA
1 stop5h 14m
United Airlines
Deal found 6/9![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:03 am
IAD
- SGF
1 stop6h 51m
American Airlines
Mon 8/36:12 pm
SGF
- IAD
1 stop4h 58m
American Airlines
Deal found 6/9![American Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
IAD
- SGF
1 stop5h 53m
Delta
Thu 9/36:58 pm
SGF
- IAD
1 stop4h 36m
Delta
Deal found 6/12![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:00 am
DCA
- STL
Nonstop2h 10m
Southwest
Fri 8/148:10 am
STL
- DCA
Nonstop2h 00m
Southwest
Deal found 6/12![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:16 am
IAD
- COU
1 stop5h 00m
United Airlines
Tue 8/186:15 am
COU
- IAD
1 stop4h 37m
United Airlines
Deal found 6/9![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
IAD
- SGF
1 stop5h 53m
Delta
Thu 9/1011:40 am
SGF
- IAD
1 stop6h 53m
Delta
Deal found 6/12![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:00 pm
DCA
- STL
Nonstop2h 15m
Southwest
Fri 7/173:30 pm
STL
- DCA
Nonstop2h 00m
Southwest
Deal found 6/12![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:30 am
DCA
- COU
1 stop4h 43m
United Airlines
Fri 7/108:00 am
COU
- DCA
1 stop6h 52m
United Airlines
Deal found 6/12![United Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
IAD
- SGF
1 stop5h 53m
Delta
Mon 8/246:58 pm
SGF
- IAD
1 stop4h 36m
Delta
Deal found 6/8![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:54 pm
DCA
- COU
1 stop7h 18m
American Airlines
Sun 9/276:32 pm
COU
- DCA
1 stop13h 48m
American Airlines
Deal found 6/12![American Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:42 pm
IAD
- STL
1 stop7h 02m
United Airlines
Tue 8/118:40 am
STL
- IAD
Nonstop2h 17m
United Airlines
Deal found 6/9![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:26 pm
IAD
- STL
1 stop5h 32m
Delta
Tue 8/186:00 am
STL
- IAD
1 stop4h 33m
Delta
Deal found 6/11![Delta logo]()
$340
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:55 am
DCA
- MCI
Nonstop2h 40m
Southwest
Mon 2/110:45 am
MCI
- DCA
2 stops6h 45m
Southwest
Deal found 6/10![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:10 am
IAD
- MCI
1 stop5h 19m
United Airlines
Tue 7/287:53 am
MCI
- IAD
1 stop5h 19m
United Airlines
Deal found 6/9![United Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:13 am
DCA
- COU
1 stop11h 48m
American Airlines
Mon 7/1310:32 am
COU
- DCA
1 stop12h 27m
American Airlines
Deal found 6/9![American Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1112:29 pm
IAD
- MCI
1 stop6h 38m
Delta
Sat 7/185:34 pm
MCI
- IAD
1 stop6h 07m
Delta
Deal found 6/8![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:15 pm
IAD
- MCI
Nonstop2h 48m
United Airlines
Sat 8/112:30 pm
MCI
- IAD
Nonstop2h 33m
United Airlines
Deal found 6/9![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:40 pm
DCA
- MCI
1 stop6h 09m
Delta
Tue 7/75:40 pm
MCI
- DCA
1 stop5h 12m
Delta
Deal found 6/7![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/710:40 am
DCA
- MCI
2 stops7h 45m
Southwest
Wed 8/126:20 am
MCI
- DCA
1 stop4h 05m
Southwest
Deal found 6/8![Southwest logo]()
$397
Last-minute flights from District of Columbia to MissouriDiscover last-minute flight deals from District of Columbia to Missouri. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from District of Columbia to Missouri. Data last updated June 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:20 pm
DCA
- STL
1 stop4h 40m
American Airlines
Mon 8/175:57 pm
STL
- DCA
Nonstop2h 17m
American Airlines
Deal found 6/9![American Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3011:45 am
DCA
- STL
1 stop4h 05m
Southwest
Wed 7/15:55 pm
STL
- DCA
1 stop4h 50m
Southwest
Deal found 6/7![Southwest logo]()
$272
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:24 am
IAD
- STL
1 stop7h 06m
Frontier
Thu 7/97:10 pm
STL
- IAD
1 stop12h 10m
Frontier
Deal found 6/10![Frontier logo]()
$268
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:24 am
IAD
- STL
1 stop7h 06m
Frontier
Mon 7/67:10 pm
STL
- IAD
1 stop12h 10m
Frontier
Deal found 6/10![Frontier logo]()
$276
This Orbitz deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:00 am
DCA
- STL
1 stop13h 23m
Frontier
Thu 7/98:08 pm
STL
- DCA
1 stop19h 51m
Frontier
Deal found 6/10![Frontier logo]()
$276
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:49 am
IAD
- STL
1 stop10h 48m
Frontier
Sun 7/124:09 pm
STL
- IAD
1 stop25h 24m
Frontier
Deal found 6/10![Frontier logo]()
$275
This Trip.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:49 am
IAD
- STL
1 stop10h 48m
Frontier
Tue 7/214:09 pm
STL
- IAD
1 stop17h 07m
Frontier
Deal found 6/11![Frontier logo]()
$274
This Expedia deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:18 pm
IAD
- STL
1 stop5h 41m
Frontier
Sun 7/194:09 pm
STL
- IAD
1 stop25h 24m
Frontier
Deal found 6/7![Frontier logo]()
$272
This Gotogate deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:50 am
IAD
- STL
1 stop9h 25m
Frontier
Sun 7/264:09 pm
STL
- IAD
1 stop25h 24m
Frontier
Deal found 6/9![Frontier logo]()
$271
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:00 pm
DCA
- STL
1 stop26h 23m
Frontier
Thu 7/308:08 pm
STL
- DCA
1 stop24h 51m
Frontier
Deal found 6/10![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:00 pm
DCA
- STL
1 stop26h 23m
Frontier
Sat 8/18:08 pm
STL
- DCA
1 stop15h 43m
Frontier
Deal found 6/12![Frontier logo]()
$271
This CheapOair deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:18 pm
IAD
- STL
1 stop5h 41m
Frontier
Sun 8/24:09 pm
STL
- IAD
1 stop23h 28m
Frontier
Deal found 6/11![Frontier logo]()
$270
One-way flights from District of Columbia to MissouriSearch for one-way flight options from District of Columbia to Missouri. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
Search for one-way flight options from District of Columbia to Missouri. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:00 pm
DCA
- STL
Nonstop2h 15m
Southwest
Deal found 6/12![Southwest logo]()
$119
This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:21 pm
IAD
- STL
1 stop7h 38m
Frontier
Deal found 6/11![Frontier logo]()
$120
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:15 am
DCA
- STL
Nonstop2h 20m
Southwest
Deal found 6/9![Southwest logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:33 pm
IAD
- STL
1 stop22h 04m
Frontier
Deal found 6/10![Frontier logo]()
$123
This Expedia deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:50 am
IAD
- STL
1 stop9h 25m
Frontier
Deal found 6/7![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:11 am
IAD
- STL
1 stop13h 48m
Frontier
Deal found 6/12![Frontier logo]()
$126
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:00 am
DCA
- STL
1 stop13h 23m
Frontier
Deal found 6/10![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3011:24 am
IAD
- STL
1 stop7h 06m
Frontier
Deal found 6/8![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:00 am
DCA
- STL
1 stop13h 23m
Frontier
Deal found 6/10![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:50 am
IAD
- STL
1 stop33h 25m
Frontier
Deal found 6/12![Frontier logo]()
$128
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:05 pm
IAD
- STL
Nonstop2h 22m
United Airlines
Deal found 6/8![United Airlines logo]()
$129
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:00 am
DCA
- STL
Nonstop2h 10m
Southwest
Deal found 6/10![Southwest logo]()
$129
Find flight deals from District of Columbia to Missouri
Keep the following information in mind while searching for District of Columbia to Missouri flight deals. Data was last updated June 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $268 (Frontier) |
One-way from | $119 (Southwest) |
Popular in | March |
Cheapest in | August |
Average price | $348 |
Good round-trip deal | $312 or less |
Good one-way deal | $165 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from District of Columbia to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 13, 2026.
Use the filters below to find and compare flights from District of Columbia to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Thu 8/6
8:15 am-9:35 am
Nonstop2h 20m
Lambert-St Louis
Mon 8/10
7:55 pm-10:55 pm
Nonstop2h 00m
$269
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Fri 8/14
8:15 am-9:35 am
Nonstop2h 20m
Lambert-St Louis
Mon 8/17
7:55 pm-10:55 pm
Nonstop2h 00m
$275
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Tue 7/7
11:57 am-3:46 pm
1 stop4h 49m
Lambert-St Louis
Tue 7/14
6:00 am-1:04 pm
1 stop6h 04m
$277
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Wed 8/5
7:25 am-2:30 pm
2 stops8h 05m
Lambert-St Louis
Fri 8/7
3:45 pm-11:20 pm
1 stop6h 35m
$279
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Tue 8/4
11:40 am-5:55 pm
2 stops7h 15m
Lambert-St Louis
Thu 8/6
10:10 am-6:00 pm
2 stops6h 50m
$283
Quickest round-trip
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Wed 8/12
8:00 am-9:10 am
Nonstop2h 10m
Lambert-St Louis
Fri 8/14
8:10 am-11:10 am
Nonstop2h 00m
$287
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Wed 7/15
3:00 pm-4:15 pm
Nonstop2h 15m
Lambert-St Louis
Fri 7/17
3:30 pm-6:30 pm
Nonstop2h 00m
$287
Washington, D.C.Columbia
DCA - COU
DCACOU
Washington, D.C. Reagan-National
Sat 10/3
7:10 pm-10:55 pm
1 stop4h 45m
Columbia Regional
Sat 10/10
3:19 pm-9:14 pm
1 stop4h 55m
$298
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Sat 9/5
6:59 am-11:56 am
1 stop5h 57m
Lambert-St Louis
Mon 9/7
3:39 pm-11:48 pm
1 stop7h 09m
$303
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
Thu 7/16
6:00 am-9:43 am
1 stop4h 43m
Lambert-St Louis
Mon 7/20
6:09 pm-10:59 pm
1 stop3h 50m
$307
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from District of Columbia to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from District of Columbia with our price prediction graph.
IAD-STL
DCA-STL
IAD-MCI
IAD-SGF
DCA-MCI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from District of Columbia to Missouri
USDC-USMO
IAD-STL
DCA-STL
IAD-MCI
IAD-SGF
What is the cheapest month to book a flight from District of Columbia to Missouri?
Currently, December is the cheapest month in which you can book a flight from District of Columbia to Missouri (average of $78). Flying from District of Columbia to Missouri in April is currently the most expensive (average of $1,010). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DC to MO?
Find hourly flight availability from District of Columbia to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 13, 2026.
When flying from District of Columbia to Missouri, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 6% versus a flight in the afternoon.
Weekly flight availability from District of Columbia to Missouri
Explore weekly flight availability from District of Columbia to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 13, 2026.
The most flights from USDC to USMO are scheduled on a Wednesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from District of Columbia to Missouri?
How far ahead should I book a flight from District of Columbia to Missouri?
The price you pay for your flight from District of Columbia to Missouri may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from District of Columbia to Missouri?
Use this chart to determine the cheapest time to fly round-trip from District of Columbia to Missouri. Price data was last updated on June 8, 2026.
Travelers seeking maximum savings on their District of Columbia to Missouri flight should consider departing on Sunday at noon when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Missouri
Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated June 13, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from District of Columbia to Missouri to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from District of Columbia to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for District of Columbia to Missouri
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from District of Columbia to Missouri by cabin class
Find flights from District of Columbia to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
District of Columbia and Missouri flights
Browse other District of Columbia and Missouri flight options. Last updated on June 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Missouri
Find the right flight back to District of Columbia after your stay in Missouri
District of Columbia to Missouri flights
Consider these flights traveling from District of Columbia to Missouri.
Top 5 airlines flying from District of Columbia to Missouri
Discover the top 5 airlines that operate flights from District of Columbia to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$362 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$404 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$205 | Average$401 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$248 | Average$444 | FlexibilityNo cancel fee | On-time69% |