$120+ Cheap flights from Portland (PDX) to Missouri
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Portland 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
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Cheapest flights from Portland to MissouriExplore the most affordable flight options available from Portland to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
Explore the most affordable flight options available from Portland to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:20 pm -
1 stop22h 33m
Sun 9/61:38 pm -
1 stop5h 33m
Deal found 8/17![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:20 pm -
1 stop22h 33m
Wed 9/98:32 pm -
1 stop17h 11m
Deal found 8/19![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/1311:49 am -
1 stop5h 59m
Mon 10/198:43 pm -
1 stop16h 11m
Deal found 8/21![Frontier logo]()
$272
This CheapOair deal was found by Cheapflights users on 8/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:47 pm -
1 stop19h 35m
Mon 11/161:50 pm -
1 stop8h 18m
Deal found 8/18![Frontier logo]()
$274
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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.
Wed 8/265:56 pm -
1 stop16h 57m
Sat 8/291:38 pm -
1 stop5h 33m
Deal found 8/17![Frontier logo]()
$278
This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:47 pm -
1 stop19h 35m
Mon 11/161:50 pm -
1 stop8h 18m
Deal found 8/19![Frontier logo]()
$279
This CheapOair deal was found by Cheapflights users on 8/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:24 pm -
1 stop7h 11m
Sun 10/410:30 pm -
1 stop15h 24m
Deal found 8/20![Frontier logo]()
$280
This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:39 pm -
1 stop7h 06m
Sun 9/278:32 pm -
1 stop17h 11m
Deal found 8/19![Frontier logo]()
$284
This CheapOair deal was found by Cheapflights users on 8/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:24 pm -
1 stop7h 11m
Sat 10/38:32 pm -
1 stop17h 11m
Deal found 8/21![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/1712:38 pm -
1 stop28h 39m
Wed 9/238:10 pm -
2 stops17h 26m
Deal found 8/17![Frontier logo]()
$316
This Priceline deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/1611:16 am -
Nonstop3h 54m
Tue 9/226:08 pm -
Nonstop4h 12m
Deal found 8/17![Alaska Airlines logo]()
$317
This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:03 pm -
1 stop23h 36m
Sun 11/158:10 pm -
1 stop22h 25m
Deal found 8/19![Frontier logo]()
$318
Best flights from Portland to MissouriDiscover carefully curated flight deals from Portland to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from Portland to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This Southwest deal was found by Cheapflights users on 8/18. 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.
Wed 9/910:45 pm -
1 stop10h 45m
Sat 9/121:35 pm -
Nonstop3h 35m
Deal found 8/18![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 8/20. 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 10/273:31 pm -
1 stop6h 00m
Thu 10/297:04 am -
1 stop8h 34m
Deal found 8/20![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 11/1311:30 pm -
1 stop9h 14m
Mon 11/163:00 pm -
1 stop9h 27m
Deal found 8/18![United Airlines logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:00 pm -
1 stop6h 59m
Tue 9/226:08 pm -
Nonstop4h 12m
Deal found 8/17![Alaska Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/51:38 pm -
1 stop6h 50m
Wed 9/94:51 pm -
1 stop8h 32m
Deal found 8/21![American Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 8/21. 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 10/1011:20 am -
1 stop7h 45m
Sun 10/185:55 am -
1 stop6h 40m
Deal found 8/21![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/316:15 am -
1 stop6h 26m
Tue 1/52:30 pm -
1 stop9h 56m
Deal found 8/19![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Wed 10/214:09 pm -
1 stop5h 35m
Mon 10/261:33 pm -
1 stop6h 36m
Deal found 8/20![United Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 8/18. 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.
Thu 10/810:15 am -
1 stop8h 00m
Mon 10/125:20 am -
2 stops9h 15m
Deal found 8/18![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 8/18. 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.
Wed 1/66:15 am -
2 stops14h 17m
Sat 1/911:40 am -
2 stops10h 43m
Deal found 8/18![Delta logo]()
$353
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/191:35 pm -
1 stop6h 50m
Sat 9/268:30 am -
Nonstop4h 10m
Deal found 8/17![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/42:27 pm -
1 stop6h 52m
Fri 9/114:58 pm -
1 stop8h 17m
Deal found 8/19![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/110:50 am -
1 stop6h 22m
Thu 9/34:04 pm -
1 stop9h 16m
Deal found 8/17![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 8/21. 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 9/2311:30 pm -
1 stop6h 15m
Sun 9/278:00 pm -
Nonstop3h 40m
Deal found 8/21![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 8/22. 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.
Fri 11/1311:10 pm -
1 stop10h 05m
Mon 11/166:20 am -
1 stop6h 16m
Deal found 8/22![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 2/610:59 pm -
1 stop9h 35m
Wed 2/103:10 pm -
1 stop10h 08m
Deal found 8/18![United Airlines logo]()
$423
This Southwest deal was found by Cheapflights users on 8/20. 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.
Tue 9/810:45 pm -
1 stop11h 05m
Tue 9/154:45 pm -
2 stops7h 30m
Deal found 8/20![Southwest logo]()
$353
This Delta deal was found by Cheapflights users on 8/21. 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 10/95:49 pm -
2 stops14h 49m
Wed 10/216:21 am -
1 stop8h 17m
Deal found 8/21![Delta logo]()
$380
This United Airlines deal was found by Cheapflights users on 8/21. 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 9/57:15 pm -
2 stops13h 01m
Wed 9/99:00 am -
1 stop6h 14m
Deal found 8/21![United Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 8/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:40 pm -
2 stops9h 35m
Wed 9/3012:45 pm -
2 stops9h 10m
Deal found 8/19![Southwest logo]()
$358
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/710:45 am -
2 stops8h 20m
Mon 10/125:20 am -
2 stops9h 15m
Deal found 8/17![Southwest logo]()
$358
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Tue 9/1511:02 pm -
1 stop9h 48m
Sat 9/193:03 pm -
1 stop9h 49m
Deal found 8/20![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 8/20. 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.
Wed 12/29:32 am -
2 stops11h 51m
Sun 12/67:08 am -
2 stops13h 45m
Deal found 8/20![Delta logo]()
$408
This Southwest deal was found by Cheapflights users on 8/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:35 pm -
1 stop8h 20m
Sun 10/186:35 am -
2 stops10h 55m
Deal found 8/19![Southwest logo]()
$362
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/67:10 am -
1 stop9h 45m
Sat 9/127:30 am -
1 stop10h 26m
Deal found 8/17![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 8/22. 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.
Wed 9/165:30 am -
2 stops10h 07m
Tue 9/222:25 pm -
2 stops9h 37m
Deal found 8/22![Delta logo]()
$408
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Tue 1/2610:45 am -
1 stop8h 48m
Sat 1/309:00 am -
1 stop6h 15m
Deal found 8/21![United Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 8/21. 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.
Wed 10/211:44 pm -
1 stop7h 37m
Sun 10/256:21 am -
1 stop6h 13m
Deal found 8/21![Delta logo]()
$408
This Southwest deal was found by Cheapflights users on 8/18. 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.
Fri 11/138:00 am -
2 stops9h 10m
Mon 11/164:40 pm -
1 stop8h 40m
Deal found 8/18![Southwest logo]()
$374
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/2011:30 pm -
1 stop9h 09m
Sat 10/2411:19 am -
1 stop9h 34m
Deal found 8/17![United Airlines logo]()
$448
Last-minute flights from Portland to MissouriDiscover last-minute flight deals from Portland to Missouri. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Missouri. Data last updated August 22, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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.
Wed 8/265:56 pm -
1 stop16h 57m
Sat 8/291:38 pm -
1 stop5h 33m
Deal found 8/17![Frontier logo]()
$278
This CheapOair deal was found by Cheapflights users on 8/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:56 pm -
1 stop23h 17m
Sat 9/56:45 pm -
1 stop20h 07m
Deal found 8/18![Frontier logo]()
$318
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:20 pm -
1 stop22h 33m
Sun 9/61:38 pm -
1 stop5h 33m
Deal found 8/17![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:20 pm -
1 stop22h 33m
Wed 9/98:32 pm -
1 stop17h 11m
Deal found 8/19![Frontier logo]()
$260
This Southwest deal was found by Cheapflights users on 8/18. 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 9/1211:40 am -
Nonstop3h 20m
Sun 9/208:00 pm -
Nonstop3h 40m
Deal found 8/18![Southwest logo]()
$297
This Priceline deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/1611:16 am -
Nonstop3h 54m
Tue 9/226:08 pm -
Nonstop4h 12m
Deal found 8/17![Alaska Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Thu 9/1712:38 pm -
1 stop28h 59m
Sun 9/208:32 pm -
1 stop17h 11m
Deal found 8/18![Frontier logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/1712:38 pm -
1 stop28h 39m
Wed 9/238:10 pm -
2 stops17h 26m
Deal found 8/17![Frontier logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Thu 9/1712:38 pm -
1 stop28h 39m
Thu 9/246:39 pm -
2 stops19h 15m
Deal found 8/18![Frontier logo]()
$323
This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:39 pm -
1 stop7h 06m
Sun 9/278:32 pm -
1 stop17h 11m
Deal found 8/19![Frontier logo]()
$284
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:20 am -
1 stop6h 01m
Tue 9/296:08 pm -
Nonstop4h 12m
Deal found 8/20![Alaska Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Tue 9/292:27 pm -
1 stop6h 51m
Sat 10/39:00 am -
1 stop8h 05m
Deal found 8/19![United Airlines logo]()
$323
One-way flights from Portland to MissouriSearch for one-way flight options from Portland to Missouri. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from Portland to Missouri. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Frontier deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:39 pm -
1 stop7h 06m
Deal found 8/17![Frontier logo]()
$120
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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.
Thu 9/1012:38 pm -
1 stop28h 39m
Deal found 8/17![Frontier logo]()
$122
This Jetabroad deal was found by Cheapflights users on 8/18. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:56 pm -
1 stop16h 57m
Deal found 8/18![Frontier logo]()
$129
This Priceline deal was found by Cheapflights users on 8/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:39 pm -
1 stop7h 06m
Deal found 8/21![Frontier logo]()
$130
This CheapOair deal was found by Cheapflights users on 8/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:20 pm -
1 stop22h 33m
Deal found 8/18![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/2011:49 am -
1 stop25h 35m
Deal found 8/18![Frontier logo]()
$135
This CheapOair deal was found by Cheapflights users on 8/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:38 pm -
1 stop28h 39m
Deal found 8/19![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 11/1712:02 pm -
1 stop25h 21m
Deal found 8/21![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 11/133:47 pm -
1 stop19h 35m
Deal found 8/17![Frontier logo]()
$138
This Jetabroad deal was found by Cheapflights users on 8/19. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:20 pm -
1 stop22h 33m
Deal found 8/19![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 8/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:07 pm -
1 stop5h 40m
Deal found 8/20![Frontier logo]()
$140
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:17 pm -
1 stop21h 33m
Deal found 8/17![Frontier logo]()
$141
Find flight deals from Portland to Missouri
Keep the following information in mind while searching for Portland to Missouri flight deals. Data was last updated August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $250 (CheapOair) |
One-way from | $120 (Frontier) |
Popular in | July |
Cheapest in | March |
Average price | $397 |
Good round-trip deal | $342 or less |
Good one-way deal | $202 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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 August 22, 2026.
Use the filters below to find and compare flights from Portland to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Wed 9/9
10:45 pm-11:30 am
1 stop10h 45m
Kansas City
Sat 9/12
1:35 pm-3:10 pm
Nonstop3h 35m
$307
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Tue 10/27
3:31 pm-11:31 pm
1 stop6h 00m
Kansas City
Thu 10/29
7:04 am-1:38 pm
1 stop8h 34m
$317
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Sat 10/10
11:20 am-9:05 pm
1 stop7h 45m
Kansas City
Sun 10/18
5:55 am-10:35 am
1 stop6h 40m
$317
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Thu 10/8
10:15 am-8:15 pm
1 stop8h 00m
Kansas City
Mon 10/12
5:20 am-12:35 pm
2 stops9h 15m
$322
PortlandSt. Louis
PDX Portland - STL Lambert-St Louis
PDXSTL
Portland
Sat 9/19
1:35 pm-10:25 pm
1 stop6h 50m
Lambert-St Louis
Sat 9/26
8:30 am-10:40 am
Nonstop4h 10m
$327
Quickest round-trip
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Wed 9/23
11:30 pm-7:45 am
1 stop6h 15m
Kansas City
Sun 9/27
8:00 pm-9:40 pm
Nonstop3h 40m
$338
PortlandColumbia
PDX Portland - COU Columbia Regional
PDXCOU
Portland
Fri 11/13
11:30 pm-10:44 am
1 stop9h 14m
Columbia Regional
Mon 11/16
3:00 pm-10:27 pm
1 stop9h 27m
$348
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Thu 12/31
6:15 am-2:41 pm
1 stop6h 26m
Kansas City
Tue 1/5
2:30 pm-10:26 pm
1 stop9h 56m
$348
PortlandSpringfield
PDX Portland - SGF Springfield-Branson
PDXSGF
Portland
Wed 1/6
6:15 am-10:32 pm
2 stops14h 17m
Springfield-Branson
Sat 1/9
11:40 am-8:23 pm
2 stops10h 43m
$353
PortlandKansas City
PDX Portland - MCI Kansas City
PDXMCI
Portland
Tue 9/8
10:45 pm-11:50 am
1 stop11h 05m
Kansas City
Tue 9/15
4:45 pm-10:15 pm
2 stops7h 30m
$353
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Portland to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Portland with our price prediction graph.
PDX-MCI
PDX-COU
PDX-STL
PDX-JLN
PDX-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 Portland to Missouri
PDX-USMO
PDX-MCI
PDX-COU
PDX-STL
PDX-JLN
What is the cheapest month to book a flight from Portland to Missouri?
Currently, February is the cheapest month in which you can book a flight from Portland to Missouri (average of $335). Flying from Portland to Missouri in August is currently the most expensive (average of $448). 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 PDX to MO?
Find hourly flight availability from Portland 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 August 22, 2026.
When flying from Portland to Missouri, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Portland to Missouri?
Airfare is below average for this route at the moment.
Portland to Missouri flights typically cost between $320 and $452 in September.The cheapest round-trip price found within the last 5 days was $316 on Frontier (Sep 17-Sep 23).
How far ahead should I book a flight from Portland to Missouri?
Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland 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 August 22, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Portland to Missouri by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Portland 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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Alternative routes for Portland to Missouri
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Complete your trip
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Search flights from Portland to Missouri by cabin class
Find flights from Portland to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Missouri flights
Browse other Portland and Missouri flight options. Last updated on August 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Missouri flights
Consider these flights traveling from Portland to Missouri.
Top 7 airlines flying from Portland to Missouri
Discover the top 7 airlines that operate flights from Portland 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 August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$332 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$237 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$177 | Average$424 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$196 | Average$390 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$417 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$410 | FlexibilityNo cancel fee | On-time71% |