$98+ Cheap flights from Dulles Intl (IAD) 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — STL
Dec 15 — Dec 221
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Missouri with Cheapflights
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Cheapest flights from Dulles Intl to MissouriExplore the most affordable flight options available from Dulles Intl to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 15, 2026.
Explore the most affordable flight options available from Dulles Intl to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Sun 12/610:35 pm -
1 stop13h 42m
Wed 12/912:02 pm -
1 stop25h 47m
Deal found 11/12![Frontier logo]()
$245
This Trip.com deal was found by Cheapflights users on 11/11. 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.
Fri 12/48:33 pm -
1 stop28h 39m
Mon 12/712:02 pm -
1 stop4h 36m
Deal found 11/11![Frontier logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 11/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:33 pm -
1 stop28h 39m
Wed 12/96:20 pm -
1 stop25h 08m
Deal found 11/10![Frontier logo]()
$248
This CheapOair deal was found by Cheapflights users on 11/11. 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.
Tue 11/249:35 pm -
1 stop27h 24m
Sat 1/98:45 pm -
1 stop17h 29m
Deal found 11/11![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 11/13. 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 12/195:35 am -
1 stop6h 18m
Tue 12/225:37 pm -
1 stop11h 30m
Deal found 11/13![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Tue 12/810:35 pm -
2 stops13h 29m
Mon 12/1412:02 pm -
1 stop22h 09m
Deal found 11/10![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 11/13. 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.
Sun 12/1310:35 pm -
1 stop13h 42m
Sat 12/196:21 pm -
1 stop5h 30m
Deal found 11/13![Frontier logo]()
$252
This Mytrip deal was found by Cheapflights users on 11/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1510:35 pm -
1 stop13h 42m
Wed 12/166:20 pm -
2 stops19h 53m
Deal found 11/13![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 11/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:35 am -
1 stop6h 18m
Mon 12/216:21 pm -
1 stop5h 30m
Deal found 11/12![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Tue 12/810:35 pm -
1 stop13h 42m
Tue 12/156:20 pm -
2 stops19h 29m
Deal found 11/10![Frontier logo]()
$257
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:26 pm -
1 stop28h 46m
Thu 12/106:20 pm -
1 stop24h 11m
Deal found 11/11![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 11/14. 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 12/912:06 pm -
2 stops13h 06m
Wed 12/1612:02 pm -
1 stop17h 49m
Deal found 11/14![Frontier logo]()
$259
Best flights from Dulles Intl to MissouriDiscover carefully curated flight deals from Dulles Intl to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 15, 2026.
Discover carefully curated flight deals from Dulles Intl to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Thu 1/79:47 pm -
1 stop21h 10m
Fri 1/155:47 pm -
2 stops28h 56m
Deal found 11/12![Multiple Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 11/11. 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.
Tue 1/265:26 pm -
1 stop4h 24m
Wed 2/310:13 am -
1 stop4h 22m
Deal found 11/11![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 11/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:15 am -
1 stop5h 07m
Tue 12/86:30 am -
1 stop4h 23m
Deal found 11/11![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 11/14. 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 12/303:22 pm -
1 stop7h 37m
Wed 1/612:27 pm -
1 stop5h 17m
Deal found 11/14![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 1/1412:40 pm -
Nonstop3h 04m
Tue 1/1912:20 pm -
Nonstop2h 33m
Deal found 11/10![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 11/12. 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.
Tue 1/125:27 pm -
1 stop4h 27m
Tue 1/196:59 pm -
1 stop4h 47m
Deal found 11/12![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 11/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:35 pm -
Nonstop3h 00m
Sat 12/55:50 pm -
Nonstop2h 35m
Deal found 11/11![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 11/14. 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 2/167:29 pm -
1 stop5h 10m
Thu 2/186:30 am -
1 stop4h 17m
Deal found 11/14![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 11/11. 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.
Sat 12/56:00 am -
1 stop4h 19m
Thu 12/106:05 pm -
1 stop4h 18m
Deal found 11/11![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 11/14. 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 1/235:16 pm -
1 stop7h 04m
Sat 1/301:15 pm -
Nonstop2h 07m
Deal found 11/14![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 11/13. 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 2/410:56 am -
1 stop5h 55m
Mon 2/84:56 pm -
1 stop6h 50m
Deal found 11/13![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 11/14. 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 1/2312:40 pm -
Nonstop3h 04m
Sat 1/307:31 am -
1 stop7h 29m
Deal found 11/14![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 11/11. 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.
Thu 12/175:14 pm -
1 stop4h 18m
Fri 12/186:00 am -
1 stop4h 43m
Deal found 11/11![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 11/10. 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 3/91:05 pm -
Nonstop2h 45m
Wed 3/1711:33 am -
Nonstop2h 27m
Deal found 11/10![United Airlines logo]()
$356
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 2/188:24 am -
1 stop6h 56m
Fri 2/1912:30 pm -
Nonstop2h 29m
Deal found 11/10![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 11/12. 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.
Thu 4/110:05 am -
1 stop5h 45m
Sun 4/46:45 pm -
1 stop4h 35m
Deal found 11/12![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Tue 12/15:41 pm -
1 stop6h 03m
Wed 12/96:15 am -
2 stops11h 29m
Deal found 11/12![American Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 11/14. 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 12/145:40 pm -
1 stop6h 50m
Mon 12/2111:18 am -
1 stop5h 04m
Deal found 11/14![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 11/14. 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 4/71:00 pm -
1 stop6h 16m
Sat 4/104:00 pm -
1 stop5h 57m
Deal found 11/14![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Sun 1/108:35 am -
Nonstop2h 33m
Sat 1/168:30 am -
Nonstop2h 07m
Deal found 11/12![United Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 11/14. 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 3/2712:23 pm -
1 stop7h 57m
Fri 4/27:35 am -
2 stops8h 59m
Deal found 11/14![American Airlines logo]()
$668
This Delta deal was found by Cheapflights users on 11/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:00 pm -
1 stop5h 36m
Mon 11/305:28 pm -
1 stop6h 13m
Deal found 11/10![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 11/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:10 am -
1 stop5h 32m
Fri 1/11:25 pm -
Nonstop2h 10m
Deal found 11/11![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 11/11. 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.
Sat 1/161:53 pm -
1 stop7h 22m
Sun 1/1710:14 am -
1 stop6h 19m
Deal found 11/11![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 11/14. 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 1/195:16 pm -
1 stop7h 14m
Sat 1/237:45 am -
1 stop7h 15m
Deal found 11/14![United Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 11/12. 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.
Fri 12/256:00 am -
1 stop4h 57m
Wed 12/305:51 pm -
1 stop4h 19m
Deal found 11/12![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 11/14. 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 12/86:00 pm -
Nonstop3h 05m
Tue 12/156:00 am -
1 stop6h 38m
Deal found 11/14![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 11/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1110:11 am -
1 stop5h 39m
Sun 12/1310:34 am -
1 stop7h 07m
Deal found 11/10![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 12/31:00 pm -
1 stop5h 35m
Tue 12/86:00 am -
1 stop6h 38m
Deal found 11/12![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 11/13. 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 12/56:00 am -
1 stop4h 19m
Sun 12/67:18 pm -
1 stop4h 23m
Deal found 11/13![Delta logo]()
$421
Last-minute flights from Dulles Intl to MissouriDiscover last-minute flight deals from Dulles Intl to Missouri. Data last updated November 15, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Missouri. Data last updated November 15, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 11/11. 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.
Tue 11/249:35 pm -
1 stop27h 24m
Sat 1/98:45 pm -
1 stop17h 29m
Deal found 11/11![Frontier logo]()
$249
This Cheapflightsfares deal was found by Cheapflights users on 11/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:33 pm -
1 stop28h 39m
Wed 12/96:20 pm -
1 stop25h 08m
Deal found 11/10![Frontier logo]()
$248
This Trip.com deal was found by Cheapflights users on 11/11. 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.
Fri 12/48:33 pm -
1 stop28h 39m
Mon 12/712:02 pm -
1 stop4h 36m
Deal found 11/11![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Sun 12/610:35 pm -
1 stop13h 42m
Wed 12/912:02 pm -
1 stop25h 47m
Deal found 11/12![Frontier logo]()
$245
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:26 pm -
1 stop28h 46m
Thu 12/106:20 pm -
1 stop24h 11m
Deal found 11/11![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Tue 12/810:35 pm -
2 stops13h 29m
Mon 12/1412:02 pm -
1 stop22h 09m
Deal found 11/10![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Tue 12/810:35 pm -
1 stop13h 42m
Tue 12/156:20 pm -
2 stops19h 29m
Deal found 11/10![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 11/14. 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 12/912:06 pm -
2 stops13h 06m
Wed 12/1612:02 pm -
1 stop17h 49m
Deal found 11/14![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 11/13. 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.
Sun 12/1310:35 pm -
1 stop13h 42m
Sat 12/196:21 pm -
1 stop5h 30m
Deal found 11/13![Frontier logo]()
$252
This Mytrip deal was found by Cheapflights users on 11/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1510:35 pm -
1 stop13h 42m
Wed 12/166:20 pm -
2 stops19h 53m
Deal found 11/13![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 11/13. 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 12/195:35 am -
1 stop6h 18m
Tue 12/225:37 pm -
1 stop11h 30m
Deal found 11/13![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 11/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:35 am -
1 stop6h 18m
Mon 12/216:21 pm -
1 stop5h 30m
Deal found 11/12![Frontier logo]()
$255
One-way flights from Dulles Intl to MissouriSearch for one-way flight options from Dulles Intl to Missouri. Find affordable one-way fares based on user searches. Data last updated November 15, 2026.
Search for one-way flight options from Dulles Intl to Missouri. Find affordable one-way fares based on user searches. Data last updated November 15, 2026.
This Trip.com deal was found by Cheapflights users on 11/13. 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.
Tue 12/1510:35 pm -
1 stop13h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/13![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 11/14. 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.
Sat 12/195:35 am -
1 stop6h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/14![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 11/13. 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.
Sat 12/129:23 pm -
1 stop27h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/13![Frontier logo]()
$109
This Mytrip deal was found by Cheapflights users on 11/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:35 pm -
1 stop13h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 11/12. 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 12/3010:06 pm -
1 stop27h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Frontier logo]()
$119
This CheapOair deal was found by Cheapflights users on 11/10. 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.
Tue 12/2910:06 pm -
1 stop27h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Sun 12/63:34 pm -
1 stop25h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$124
This Super.com deal was found by Cheapflights users on 11/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:35 am -
1 stop6h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 11/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2210:06 pm -
1 stop27h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 11/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:33 pm -
1 stop14h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 11/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/218:51 pm -
1 stop16h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Frontier logo]()
$131
This CheapOair deal was found by Cheapflights users on 11/11. 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.
Tue 11/249:35 pm -
1 stop13h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Frontier logo]()
$133
Find flight deals from Dulles Intl to Missouri
Keep the following information in mind while searching for Dulles Intl to Missouri flight deals. Data was last updated November 15, 2026.
Round-trip from | $240 (Kiwi.com) |
|---|---|
One-way from | $98 (Trip.com) |
Good round-trip deal | $310 or less |
Good one-way deal | $168 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl 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 November 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.St. Louis
IAD Washington, D.C. Dulles Intl - STL Lambert-St Louis
IADSTL
Washington, D.C. Dulles Intl
Tue 1/5
8:35 am-10:08 am
Nonstop2h 33m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$135
Quickest round-trip
Washington, D.C.St. Louis
IAD Washington, D.C. Dulles Intl - STL Lambert-St Louis
IADSTL
Washington, D.C. Dulles Intl
Wed 1/6
5:55 pm-7:27 pm
Nonstop2h 32m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$135
Washington, D.C.St. Louis
IAD Washington, D.C. Dulles Intl - STL Lambert-St Louis
IADSTL
Washington, D.C. Dulles Intl
Wed 12/9
1:00 pm-5:05 pm
1 stop5h 05m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$145
Washington, D.C.Kansas City
IAD Washington, D.C. Dulles Intl - MCI Kansas City
IADMCI
Washington, D.C. Dulles Intl
Wed 12/16
12:35 pm-2:35 pm
Nonstop3h 00m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$147
Washington, D.C.Springfield
IAD Washington, D.C. Dulles Intl - SGF Springfield-Branson
IADSGF
Washington, D.C. Dulles Intl
Wed 12/16
12:06 pm-7:36 am
2 stops20h 30m
Springfield-Branson
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$151
Washington, D.C.Kansas City
IAD Washington, D.C. Dulles Intl - MCI Kansas City
IADMCI
Washington, D.C. Dulles Intl
Sat 1/23
12:40 pm-2:44 pm
Nonstop3h 04m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$167
Washington, D.C.St. Louis
IAD Washington, D.C. Dulles Intl - STL Lambert-St Louis
IADSTL
Washington, D.C. Dulles Intl
Fri 12/18
10:11 am-4:24 pm
1 stop7h 13m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
Washington, D.C.Kansas City
IAD Washington, D.C. Dulles Intl - MCI Kansas City
IADMCI
Washington, D.C. Dulles Intl
Wed 12/23
4:57 pm-9:13 pm
1 stop5h 16m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$200
Washington, D.C.Kansas City
IAD Washington, D.C. Dulles Intl - MCI Kansas City
IADMCI
Washington, D.C. Dulles Intl
Wed 4/28
1:05 pm-2:50 pm
Nonstop2h 45m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$215
Washington, D.C.St. Louis
IAD Washington, D.C. Dulles Intl - STL Lambert-St Louis
IADSTL
Washington, D.C. Dulles Intl
Tue 1/5
5:27 pm-8:54 pm
1 stop4h 27m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$218
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Dulles Intl with our price prediction graph.
IAD-COU
IAD-STL
IAD-SGF
IAD-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 Washington, D.C. Dulles Intl Airport to Missouri
IAD-USMO
IAD-COU
IAD-STL
IAD-SGF
IAD-MCI
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Missouri?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Missouri (average of $338). Flying from Washington, D.C. Dulles Intl Airport to Missouri in June is currently the most expensive (average of $564). 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 IAD to MO?
Find hourly flight availability from Dulles Intl 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 November 15, 2026.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Missouri in the evening. If you’re flexible enough to do this you can expect to save up to 51% on your trip compared to booking a flight in the afternoon.
Weekly flight availability from Washington, D.C. Dulles Intl Airport to Missouri
Explore weekly flight availability from Dulles Intl 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 November 15, 2026.
The most flights from IAD to USMO are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Missouri?
Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Missouri flights typically cost between $337 and $1,057 in December.The cheapest round-trip price found within the last 5 days was $245 on Frontier (Dec 6-Dec 9).
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Missouri?
Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Missouri. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 November 15, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Washington, D.C. Dulles Intl Airport to Missouri to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Dulles Intl and Missouri flights
Browse other Dulles Intl and Missouri flight options. Last updated on November 15, 2026.
Popular flight searches
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Dulles Intl to Missouri flights
Consider these flights traveling from Dulles Intl to Missouri.
Top 4 airlines flying from Dulles Intl to Missouri
Discover the top 4 airlines that operate flights from Dulles Intl 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 November 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$246 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$125 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$475 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$444 | FlexibilityNo cancel fee | On-time71% |