$48+ Cheap flights from Washington, D.C. (WAS) to Missouri
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — STL
Oct 23 — Oct 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Washington, D.C. 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 Washington, D.C. to Missouri
Cheapest
Best
Last-minute
One-way
Cheapest flights from Washington, D.C. to MissouriExplore the most affordable flight options available from Washington, D.C. to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Washington, D.C. to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:22 am -
1 stop8h 18m
Wed 10/216:35 pm -
1 stop4h 59m
Deal found 9/19![Frontier logo]()
$115
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:22 am -
1 stop8h 18m
Mon 10/266:35 pm -
1 stop4h 59m
Deal found 9/18![Frontier logo]()
$120
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:22 am -
1 stop8h 18m
Mon 10/196:35 pm -
1 stop4h 59m
Deal found 9/18![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/215:40 am -
1 stop13h 00m
Wed 10/286:44 pm -
1 stop4h 49m
Deal found 9/23![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/2110:22 am -
1 stop8h 18m
Mon 11/26:44 pm -
1 stop14h 06m
Deal found 9/23![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Thu 10/229:12 pm -
1 stop21h 28m
Wed 10/286:44 pm -
1 stop4h 49m
Deal found 9/23![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/2110:22 am -
1 stop8h 18m
Fri 10/306:44 pm -
1 stop13h 37m
Deal found 9/23![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Thu 11/129:12 pm -
1 stop21h 28m
Mon 11/166:44 pm -
1 stop20h 30m
Deal found 9/21![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 11/1310:16 am -
1 stop8h 24m
Mon 11/166:44 pm -
1 stop4h 49m
Deal found 9/21![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Thu 10/229:12 pm -
1 stop21h 28m
Mon 10/266:35 pm -
1 stop14h 15m
Deal found 9/20![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Thu 10/229:12 pm -
1 stop21h 28m
Fri 10/306:44 pm -
1 stop13h 37m
Deal found 9/23![Frontier logo]()
$160
This Southwest deal was found by Cheapflights users on 9/21. 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 10/1510:40 pm -
Nonstop2h 50m
Sat 10/1712:10 pm -
Nonstop2h 25m
Deal found 9/21![Southwest logo]()
$237
Best flights from Washington, D.C. to MissouriDiscover carefully curated flight deals from Washington, D.C. to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Washington, D.C. to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Southwest deal was found by Cheapflights users on 9/18. 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.
Mon 10/198:00 am -
Nonstop2h 25m
Mon 10/264:20 pm -
1 stop5h 35m
Deal found 9/18![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 9/20. 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.
Tue 10/206:05 am -
1 stop4h 44m
Fri 10/237:20 pm -
1 stop4h 22m
Deal found 9/20![Delta logo]()
$286
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/216:45 am -
1 stop5h 37m
Mon 10/261:00 pm -
Nonstop2h 09m
Deal found 9/18![United Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 9/18. 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 12/36:11 am -
1 stop5h 44m
Sun 12/610:40 am -
1 stop6h 24m
Deal found 9/18![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 9/21. 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 11/47:20 pm -
Nonstop2h 55m
Wed 11/119:05 am -
2 stops6h 10m
Deal found 9/21![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 9/19. 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 11/68:23 am -
1 stop4h 47m
Mon 11/91:00 pm -
Nonstop2h 09m
Deal found 9/19![United Airlines logo]()
$292
This Southwest deal was found by Cheapflights users on 9/20. 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 10/166:00 am -
Nonstop2h 45m
Sat 10/178:30 am -
Nonstop2h 20m
Deal found 9/20![Southwest logo]()
$283
This Delta deal was found by Cheapflights users on 9/20. 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 10/296:05 am -
1 stop4h 44m
Sun 11/16:47 am -
1 stop3h 47m
Deal found 9/20![Delta logo]()
$332
This American Airlines deal was found by Cheapflights users on 9/18. 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 11/1411:48 am -
1 stop6h 22m
Sat 12/51:33 pm -
1 stop6h 41m
Deal found 9/18![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 9/22. 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 11/266:10 am -
Nonstop2h 50m
Fri 11/277:45 am -
Nonstop2h 20m
Deal found 9/22![Southwest logo]()
$283
This Delta deal was found by Cheapflights users on 9/21. 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 10/238:12 am -
1 stop7h 28m
Wed 10/283:25 pm -
1 stop7h 03m
Deal found 9/21![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/233:04 pm -
1 stop6h 30m
Wed 10/282:55 pm -
1 stop6h 49m
Deal found 9/20![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 9/21. 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 10/246:55 am -
2 stops10h 10m
Mon 10/264:20 pm -
1 stop5h 35m
Deal found 9/21![Southwest logo]()
$291
This American Airlines deal was found by Cheapflights users on 9/19. 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 11/211:24 pm -
2 stops10h 17m
Sat 12/510:40 am -
2 stops9h 34m
Deal found 9/19![American Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 9/18. 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 12/310:11 am -
1 stop5h 31m
Sun 12/65:25 pm -
1 stop6h 17m
Deal found 9/18![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Thu 10/296:11 am -
1 stop5h 21m
Sat 10/318:00 am -
Nonstop2h 10m
Deal found 9/20![United Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 9/18. 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 10/106:40 pm -
Nonstop2h 30m
Mon 10/127:50 pm -
Nonstop2h 05m
Deal found 9/18![Southwest logo]()
$292
This American Airlines deal was found by Cheapflights users on 9/21. 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 11/217:11 am -
1 stop7h 04m
Sat 12/510:40 am -
1 stop6h 18m
Deal found 9/21![American Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 9/18. 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 2/194:00 pm -
1 stop7h 32m
Mon 2/225:00 pm -
1 stop6h 20m
Deal found 9/18![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/22. 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 12/296:30 am -
1 stop5h 14m
Sat 1/25:10 pm -
1 stop4h 35m
Deal found 9/22![United Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 9/22. 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 10/166:50 pm -
1 stop5h 10m
Mon 10/196:25 pm -
Nonstop2h 30m
Deal found 9/22![Southwest logo]()
$293
This Delta deal was found by Cheapflights users on 9/20. 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 10/246:00 am -
1 stop6h 25m
Wed 10/286:00 am -
1 stop4h 32m
Deal found 9/20![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/19. 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 1/155:37 pm -
1 stop5h 08m
Mon 1/186:00 am -
1 stop4h 42m
Deal found 9/19![United Airlines logo]()
$348
This Southwest deal was found by Cheapflights users on 9/22. 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 11/68:25 am -
Nonstop2h 30m
Fri 11/67:55 pm -
Nonstop1h 55m
Deal found 9/22![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 9/18. 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 2/196:10 pm -
1 stop5h 22m
Mon 2/2211:40 am -
1 stop4h 23m
Deal found 9/18![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/245:20 pm -
1 stop5h 01m
Mon 10/265:00 am -
1 stop5h 52m
Deal found 9/21![United Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 9/21. 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 10/285:25 pm -
2 stops5h 55m
Fri 10/305:00 am -
Nonstop2h 25m
Deal found 9/21![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 9/22. 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.
Tue 12/2210:28 am -
1 stop5h 15m
Tue 12/297:15 pm -
1 stop4h 34m
Deal found 9/22![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 9/19. 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 11/2312:50 pm -
1 stop6h 08m
Sat 11/286:15 am -
1 stop4h 34m
Deal found 9/19![American Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/175:20 pm -
1 stop5h 40m
Mon 10/196:39 pm -
1 stop5h 19m
Deal found 9/22![United Airlines logo]()
$357
Last-minute flights from Washington, D.C. to MissouriDiscover last-minute flight deals from Washington, D.C. to Missouri. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Missouri. Data last updated September 23, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:22 am -
1 stop8h 18m
Wed 10/216:35 pm -
1 stop4h 59m
Deal found 9/19![Frontier logo]()
$115
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:22 am -
1 stop8h 18m
Mon 10/196:35 pm -
1 stop4h 59m
Deal found 9/18![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/19. 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.
Thu 10/159:12 pm -
1 stop21h 28m
Mon 10/196:35 pm -
1 stop4h 59m
Deal found 9/19![Frontier logo]()
$164
This Southwest deal was found by Cheapflights users on 9/21. 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 10/1510:40 pm -
Nonstop2h 50m
Sat 10/1712:10 pm -
Nonstop2h 25m
Deal found 9/21![Southwest logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Tue 10/209:12 pm -
1 stop21h 28m
Fri 10/236:35 pm -
1 stop4h 59m
Deal found 9/21![Frontier logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:22 am -
1 stop8h 18m
Mon 10/266:35 pm -
1 stop4h 59m
Deal found 9/18![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/215:40 am -
1 stop13h 00m
Wed 10/286:44 pm -
1 stop4h 49m
Deal found 9/23![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/2110:22 am -
1 stop8h 18m
Mon 11/26:44 pm -
1 stop14h 06m
Deal found 9/23![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/2110:22 am -
1 stop8h 18m
Fri 10/306:44 pm -
1 stop13h 37m
Deal found 9/23![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Thu 10/229:12 pm -
1 stop21h 28m
Wed 10/286:44 pm -
1 stop4h 49m
Deal found 9/23![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Thu 10/229:12 pm -
1 stop21h 28m
Mon 10/266:35 pm -
1 stop14h 15m
Deal found 9/20![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Thu 10/229:12 pm -
1 stop21h 28m
Fri 10/306:44 pm -
1 stop13h 37m
Deal found 9/23![Frontier logo]()
$160
One-way flights from Washington, D.C. to MissouriSearch for one-way flight options from Washington, D.C. to Missouri. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Washington, D.C. to Missouri. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Tue 11/109:06 pm -
1 stop21h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$48
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:45 am -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$58
This Priceline deal was found by Cheapflights users on 9/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:22 am -
1 stop8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Tue 10/209:12 pm -
1 stop21h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Tue 11/179:12 pm -
1 stop21h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$71
This Trip.com deal was found by Cheapflights users on 9/20. 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.
Thu 11/195:40 am -
1 stop13h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Mon 11/1610:16 am -
1 stop8h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Thu 10/299:06 pm -
1 stop21h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Thu 10/229:12 pm -
1 stop21h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 9/22. 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.
Sat 10/241:00 pm -
1 stop6h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/177:50 am -
2 stops16h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$100
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:15 am -
1 stop23h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$103
Find flight deals from Washington, D.C. to Missouri
Keep the following information in mind while searching for Washington, D.C. to Missouri flight deals. Data was last updated September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $115 (Cheapflightsfares) |
One-way from | $48 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $331 |
Good round-trip deal | $302 or less |
Good one-way deal | $186 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. 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 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreSt. Louis
BWI Baltimore/Washington - STL Lambert-St Louis
BWISTL
Baltimore/Washington
Tue 12/15
6:27 am-11:17 am
2 stops29h 50m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$96
BaltimoreKansas City
BWI Baltimore/Washington - MCI Kansas City
BWIMCI
Baltimore/Washington
Tue 10/20
2:55 pm-4:40 pm
Nonstop2h 45m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
BaltimoreKansas City
BWI Baltimore/Washington - MCI Kansas City
BWIMCI
Baltimore/Washington
Wed 10/14
8:35 pm-10:25 pm
Nonstop2h 50m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
Washington, D.C.St. Louis
DCA Washington, D.C. Reagan-National - STL Lambert-St Louis
DCASTL
Washington, D.C. Reagan-National
Mon 12/21
8:25 am-9:55 am
Nonstop2h 30m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
BaltimoreSt. Louis
BWI Baltimore/Washington - STL Lambert-St Louis
BWISTL
Baltimore/Washington
Thu 12/24
12:32 pm-7:09 am
1 stop19h 37m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$123
BaltimoreKansas City
BWI Baltimore/Washington - MCI Kansas City
BWIMCI
Baltimore/Washington
Thu 12/17
2:00 pm-8:14 pm
1 stop7h 14m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
BaltimoreKansas City
BWI Baltimore/Washington - MCI Kansas City
BWIMCI
Baltimore/Washington
Sat 11/7
7:22 am-2:42 pm
1 stop8h 20m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
BaltimoreKansas City
BWI Baltimore/Washington - MCI Kansas City
BWIMCI
Baltimore/Washington
Tue 11/17
8:08 am-12:15 pm
1 stop5h 07m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
BaltimoreKansas City
BWI Baltimore/Washington - MCI Kansas City
BWIMCI
Baltimore/Washington
Sat 12/5
6:00 am-9:50 am
1 stop4h 50m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
BaltimoreKansas City
BWI Baltimore/Washington - MCI Kansas City
BWIMCI
Baltimore/Washington
Thu 10/22
6:35 am-9:35 am
1 stop4h 00m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington, D.C. to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Washington, D.C. with our price prediction graph.
BWI-STL
BWI-MCI
IAD-MCI
DCA-STL
IAD-SGF
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 Washington, D.C. to Missouri
WAS-USMO
BWI-STL
BWI-MCI
IAD-MCI
DCA-STL
What is the cheapest month to book a flight from Washington, D.C. to Missouri?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Missouri (average of $350). Flying from Washington, D.C. to Missouri in July is currently the most expensive (average of $465). 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 WAS to MO?
Find hourly flight availability from Washington, D.C. 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 September 23, 2026.
It’s typically best to fly out from Washington, D.C. to Missouri in the evening. Doing so could potentially save you 3% on the flight price compared to flying in the afternoon, which is usually more expensive.
Weekly flight availability from Washington, D.C. to Missouri
Explore weekly flight availability from Washington, D.C. 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 September 23, 2026.
The most flights from WAS to USMO are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Washington, D.C. to Missouri?
Airfare is below average for this route at the moment.
Washington, D.C. to Missouri flights typically cost between $269 and $465 in October.The cheapest round-trip price found within the last 5 days was $115 on Frontier (Oct 14-Oct 21).
How far ahead should I book a flight from Washington, D.C. to Missouri?
The best time to book flights from Washington, D.C. to Missouri is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Washington, D.C. to Missouri?
Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Missouri. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Washington, D.C. to Missouri flight should consider departing on Sunday at noon when fares are most often at their lowest. Sunday 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 September 23, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Washington, D.C. to Missouri. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. 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
Top destinations
Alternative routes for Washington, D.C. 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 Washington, D.C. to Missouri by cabin class
Find flights from Washington, D.C. to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington, D.C. and Missouri flights
Browse other Washington, D.C. and Missouri flight options. Last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Washington, D.C. to Missouri flights
Consider these flights traveling from Washington, D.C. to Missouri.
Top 5 airlines flying from Washington, D.C. to Missouri
Discover the top 5 airlines that operate flights from Washington, D.C. 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$216 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$416 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$428 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$258 | Average$460 | FlexibilityNo cancel fee | On-time69% |