$47+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — STL
Oct 31 — Nov 71
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Missouri with Cheapflights
1. Tell us where you want to go
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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 October 1, 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 October 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 11/2410:47 pm -
1 stop19h 53m
Mon 11/306:35 pm -
1 stop15h 36m
Deal found 9/28![Frontier logo]()
$239
This Super.com deal was found by Cheapflights users on 9/30. 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 10/1511:12 am -
1 stop13h 01m
Mon 10/196:35 pm -
1 stop4h 46m
Deal found 9/30![Frontier logo]()
$240
This Cheapflightsfares deal was found by Cheapflights users on 9/28. 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.
Fri 11/137:40 am -
1 stop11h 00m
Sun 11/154:26 pm -
1 stop16h 55m
Deal found 9/28![Frontier logo]()
$241
This Mytrip deal was found by Cheapflights users on 10/1. 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.
Thu 10/299:06 pm -
2 stops15h 13m
Thu 11/54:26 pm -
2 stops23h 46m
Deal found 10/1![Frontier logo]()
$246
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/175:55 pm -
Nonstop2h 26m
Wed 10/218:00 am -
1 stop4h 59m
Deal found 9/26![United Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 10/209:06 pm -
1 stop21h 34m
Fri 10/234:30 pm -
1 stop16h 47m
Deal found 9/28![Frontier logo]()
$249
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 12/310:24 pm -
1 stop26h 48m
Sun 12/66:13 pm -
1 stop26h 16m
Deal found 9/30![Frontier logo]()
$251
This Trip.com deal was found by Cheapflights users on 9/28. 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 10/167:50 am -
1 stop10h 50m
Wed 10/216:35 pm -
1 stop4h 46m
Deal found 9/28![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 9/29. 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.
Wed 10/147:50 am -
1 stop10h 50m
Fri 10/166:35 pm -
1 stop4h 46m
Deal found 9/29![Frontier logo]()
$253
This United Airlines deal was found by Cheapflights users on 9/27. 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 12/216:00 pm -
Nonstop2h 58m
Wed 12/237:31 am -
1 stop5h 41m
Deal found 9/27![United Airlines logo]()
$273
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/225:58 pm -
Nonstop2h 48m
Tue 10/2711:33 am -
Nonstop2h 27m
Deal found 9/28![United Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/225:58 pm -
Nonstop2h 48m
Mon 10/266:00 am -
1 stop4h 52m
Deal found 9/29![United Airlines logo]()
$281
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 October 1, 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 October 1, 2026.
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/175:55 pm -
Nonstop2h 26m
Wed 10/218:00 am -
1 stop4h 59m
Deal found 9/26![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 9/28. 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 10/316:00 am -
1 stop5h 51m
Mon 11/25:38 pm -
1 stop6h 04m
Deal found 9/28![Delta logo]()
$257
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/206:15 am -
1 stop7h 00m
Sat 10/246:22 pm -
1 stop4h 36m
Deal found 9/29![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/30. 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 12/46:00 am -
1 stop4h 19m
Sat 12/511:00 am -
1 stop4h 28m
Deal found 9/30![Delta logo]()
$286
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/265:55 pm -
Nonstop3h 00m
Mon 11/211:27 am -
1 stop4h 57m
Deal found 9/27![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/30. 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 12/318:32 am -
Nonstop2h 33m
Sat 1/27:18 am -
1 stop5h 54m
Deal found 9/30![United Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 9/26. 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 -
1 stop5h 37m
Sat 12/510:40 am -
2 stops7h 07m
Deal found 9/26![American Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 9/29. 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 11/76:12 pm -
1 stop6h 44m
Sun 11/86:44 pm -
1 stop4h 58m
Deal found 9/29![Delta logo]()
$332
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/311:17 pm -
1 stop4h 42m
Sun 11/18:00 am -
Nonstop2h 10m
Deal found 9/26![United Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 9/26. 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 10/2310:14 am -
1 stop6h 00m
Mon 10/265:39 pm -
1 stop4h 37m
Deal found 9/26![Delta logo]()
$332
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/2912:35 pm -
Nonstop3h 02m
Tue 11/311:33 am -
Nonstop2h 27m
Deal found 9/29![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 9/27. 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 11/1411:10 am -
1 stop4h 46m
Sat 12/56:00 am -
1 stop7h 01m
Deal found 9/27![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/1112:35 pm -
Nonstop3h 02m
Tue 11/175:50 pm -
Nonstop2h 35m
Deal found 9/29![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 9/29. 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 29m
Sun 12/65:23 pm -
1 stop6h 18m
Deal found 9/29![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/26. 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 12/39:33 am -
2 stops8h 19m
Sun 12/61:38 pm -
2 stops7h 26m
Deal found 9/26![American Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/85:55 pm -
Nonstop3h 00m
Tue 11/1011:33 am -
Nonstop2h 27m
Deal found 9/29![United Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 9/26. 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 11/216:00 am -
1 stop6h 31m
Sat 12/56:00 am -
1 stop7h 01m
Deal found 9/26![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/318:40 am -
Nonstop2h 32m
Mon 11/28:00 am -
Nonstop2h 10m
Deal found 9/28![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/30. 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 12/305:20 am -
1 stop5h 56m
Deal found 9/30![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/1. 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 11/26:11 am -
1 stop5h 25m
Sat 11/1411:11 am -
1 stop5h 24m
Deal found 10/1![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/29. 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 11/137:37 pm -
1 stop5h 19m
Sun 11/155:30 pm -
1 stop6h 11m
Deal found 9/29![Delta logo]()
$361
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/1410:30 am -
1 stop5h 38m
Wed 10/2111:15 am -
1 stop5h 29m
Deal found 9/29![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 9/30. 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 10/2810:14 am -
1 stop5h 26m
Sat 10/311:00 pm -
1 stop6h 14m
Deal found 9/30![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/245:55 pm -
Nonstop3h 00m
Fri 11/2711:33 am -
Nonstop2h 27m
Deal found 9/29![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/26. 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 11/255:55 pm -
Nonstop3h 00m
Fri 11/2711:33 am -
Nonstop2h 27m
Deal found 9/26![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/27. 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.
Sun 10/256:05 am -
1 stop4h 44m
Wed 10/2812:00 pm -
1 stop4h 10m
Deal found 9/27![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 9/30. 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 3/256:10 am -
1 stop4h 26m
Sun 3/285:45 pm -
1 stop4h 17m
Deal found 9/30![Delta logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/198:23 am -
1 stop7h 11m
Sun 11/228:00 am -
Nonstop2h 10m
Deal found 9/29![United Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/58:23 am -
1 stop7h 10m
Sun 11/86:40 pm -
1 stop4h 50m
Deal found 9/30![United Airlines logo]()
$422
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/285:29 pm -
1 stop6h 29m
Sat 10/318:00 am -
1 stop7h 33m
Deal found 9/27![United Airlines logo]()
$428
Last-minute flights from Dulles Intl to MissouriDiscover last-minute flight deals from Dulles Intl to Missouri. Data last updated October 1, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Missouri. Data last updated October 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 10/147:50 am -
1 stop10h 50m
Fri 10/166:35 pm -
1 stop28h 46m
Deal found 9/30![Frontier logo]()
$251
This Mytrip deal was found by Cheapflights users on 9/27. 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.
Wed 10/147:50 am -
1 stop10h 50m
Mon 10/196:35 pm -
2 stops24h 36m
Deal found 9/27![Frontier logo]()
$256
This Super.com deal was found by Cheapflights users on 9/30. 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 10/1511:12 am -
1 stop13h 01m
Mon 10/196:35 pm -
1 stop4h 46m
Deal found 9/30![Frontier logo]()
$240
This Trip.com deal was found by Cheapflights users on 9/28. 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 10/167:50 am -
1 stop10h 50m
Wed 10/216:35 pm -
1 stop4h 46m
Deal found 9/28![Frontier logo]()
$252
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/175:55 pm -
Nonstop2h 26m
Tue 10/208:00 am -
1 stop4h 59m
Deal found 9/26![United Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 10/209:06 pm -
1 stop21h 34m
Fri 10/234:30 pm -
1 stop16h 47m
Deal found 9/28![Frontier logo]()
$249
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/225:58 pm -
Nonstop2h 48m
Tue 10/2711:33 am -
Nonstop2h 27m
Deal found 9/28![United Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/225:58 pm -
Nonstop2h 48m
Mon 10/266:00 am -
1 stop4h 52m
Deal found 9/29![United Airlines logo]()
$281
This Booking.com deal was found by Cheapflights users on 9/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:50 am -
2 stops16h 23m
Mon 11/24:26 pm -
2 stops23h 46m
Deal found 9/28![Frontier logo]()
$241
This Delta deal was found by Cheapflights users on 9/29. 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 10/276:12 pm -
1 stop6h 42m
Wed 10/286:00 am -
1 stop4h 32m
Deal found 9/29![Delta logo]()
$257
This Mytrip deal was found by Cheapflights users on 10/1. 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.
Thu 10/299:06 pm -
2 stops15h 13m
Thu 11/54:26 pm -
2 stops23h 46m
Deal found 10/1![Frontier logo]()
$246
This Cheapflightsfares deal was found by Cheapflights users on 9/26. 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.
Fri 10/307:40 am -
1 stop11h 00m
Sun 11/14:26 pm -
1 stop16h 55m
Deal found 9/26![Frontier logo]()
$260
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 October 1, 2026.
Search for one-way flight options from Dulles Intl to Missouri. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 11/188:05 am -
1 stop10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$47
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 12/812:06 pm -
1 stop24h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$52
This Mytrip deal was found by Cheapflights users on 9/28. 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.
Wed 10/288:05 am -
1 stop10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$53
This Trip.com deal was found by Cheapflights users on 9/29. 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 11/2210:47 pm -
1 stop19h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 11/236:50 am -
1 stop11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 10/209:06 pm -
1 stop21h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$66
This Frontier deal was found by Cheapflights users on 9/30. 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 11/197:40 am -
1 stop11h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/229:06 pm -
1 stop21h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 11/2610:47 pm -
1 stop19h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$74
This United Airlines deal was found by Cheapflights users on 9/30. 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 12/16:00 pm -
Nonstop3h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$119
This Delta deal was found by Cheapflights users on 9/30. 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 10/2212:30 pm -
1 stop7h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$129
This Super.com deal was found by Cheapflights users on 9/27. 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 11/241:09 pm -
1 stop24h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Frontier logo]()
$143
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 October 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $239 (Kiwi.com) |
One-way from | $47 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $335 |
Good round-trip deal | $347 or less |
Good one-way deal | $166 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 October 1, 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
Wed 10/14
7:50 am-5:40 pm
1 stop10h 50m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$88
Washington, D.C.St. Louis
IAD Washington, D.C. Dulles Intl - STL Lambert-St Louis
IADSTL
Washington, D.C. Dulles Intl
Sat 10/31
5:55 pm-7:30 pm
Nonstop2h 35m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
Washington, D.C.St. Louis
IAD Washington, D.C. Dulles Intl - STL Lambert-St Louis
IADSTL
Washington, D.C. Dulles Intl
Thu 11/26
8:40 am-10:12 am
Nonstop2h 32m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
Washington, D.C.St. Louis
IAD Washington, D.C. Dulles Intl - STL Lambert-St Louis
IADSTL
Washington, D.C. Dulles Intl
Sat 10/17
5:55 pm-7:21 pm
Nonstop2h 26m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
Washington, D.C.Kansas City
IAD Washington, D.C. Dulles Intl - MCI Kansas City
IADMCI
Washington, D.C. Dulles Intl
Mon 12/21
6:00 am-9:53 am
1 stop4h 53m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
Washington, D.C.Kansas City
IAD Washington, D.C. Dulles Intl - MCI Kansas City
IADMCI
Washington, D.C. Dulles Intl
Thu 10/22
12:30 pm-7:05 pm
1 stop7h 35m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
Washington, D.C.St. Louis
IAD Washington, D.C. Dulles Intl - STL Lambert-St Louis
IADSTL
Washington, D.C. Dulles Intl
Fri 12/25
8:32 am-10:05 am
Nonstop2h 33m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$148
Washington, D.C.St. Louis
IAD Washington, D.C. Dulles Intl - STL Lambert-St Louis
IADSTL
Washington, D.C. Dulles Intl
Fri 11/6
6:11 am-12:10 pm
1 stop6h 59m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$158
Washington, D.C.Kansas City
IAD Washington, D.C. Dulles Intl - MCI Kansas City
IADMCI
Washington, D.C. Dulles Intl
Fri 11/6
5:55 pm-7:55 pm
Nonstop3h 00m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$165
Washington, D.C.Kansas City
IAD Washington, D.C. Dulles Intl - MCI Kansas City
IADMCI
Washington, D.C. Dulles Intl
Thu 10/22
5:58 pm-7:46 pm
Nonstop2h 48m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
Showing 1-10 of 58 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-STL
IAD-MCI
IAD-SGF
IAD-COU
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-STL
IAD-MCI
IAD-SGF
IAD-COU
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 $357). Flying from Washington, D.C. Dulles Intl Airport to Missouri in March is currently the most expensive (average of $582). 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 October 1, 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 at noon. If you’re flexible enough to do this you can expect to save up to 21% 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 October 1, 2026.
The most flights from IAD to USMO are scheduled on a Wednesday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Missouri?
Airfare is typical for this route at the moment.
Washington, D.C. Dulles Intl Airport to Missouri flights typically cost between $223 and $617 in November.The cheapest round-trip price found within the last 5 days was $239 on Frontier (Nov 24-Nov 30).
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Missouri?
Booking 68 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 October 1, 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.
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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 October 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 October 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$229 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$124 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$398 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$467 | FlexibilityNo cancel fee | On-time69% |