$113+ Cheap flights from Oregon 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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Find cheap flights from Oregon to Missouri with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Oregon to MissouriExplore the most affordable flight options available from Oregon to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
Explore the most affordable flight options available from Oregon to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:20 pm
PDX
- MCI
1 stop22h 33m
Frontier
Mon 9/71:38 pm
MCI
- PDX
1 stop29h 33m
Frontier
Deal found 7/23![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 7/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Mon 10/512:46 pm
STL
- PDX
1 stop9h 53m
Frontier
Deal found 7/19![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/2212:20 pm
PDX
- MCI
1 stop22h 33m
Frontier
Sat 8/291:38 pm
MCI
- PDX
1 stop5h 33m
Frontier
Deal found 7/24![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:24 pm
BOI
- MCI
1 stop23h 29m
Frontier
Mon 8/241:38 pm
MCI
- BOI
1 stop23h 51m
Frontier
Deal found 7/21![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Mon 9/282:17 pm
MCI
- PDX
1 stop26h 10m
Frontier
Deal found 7/23![Frontier logo]()
$246
This Southwest deal was found by Cheapflights users on 7/21. 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.
Fri 8/1412:40 pm
PDX
- MCI
1 stop9h 05m
Southwest
Sun 8/168:00 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 7/21![Southwest logo]()
$247
This Frontier deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Thu 9/2412:46 pm
STL
- PDX
1 stop9h 53m
Frontier
Deal found 7/23![Frontier logo]()
$248
This CheapOair deal was found by Cheapflights users on 7/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Mon 9/218:10 pm
STL
- PDX
1 stop20h 17m
Frontier
Deal found 7/22![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/286:17 pm
PDX
- STL
1 stop21h 33m
Frontier
Sun 8/307:58 pm
STL
- PDX
1 stop23h 13m
Frontier
Deal found 7/24![Frontier logo]()
$251
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 9/44:07 pm
PDX
- MCI
1 stop5h 23m
United Airlines
Sun 9/66:20 am
MCI
- PDX
1 stop7h 39m
United Airlines
Deal found 7/21![United Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:22 pm
PDX
- STL
1 stop25h 53m
Frontier
Mon 9/218:10 pm
STL
- PDX
1 stop20h 17m
Frontier
Deal found 7/23![Frontier logo]()
$252
This CheapOair deal was found by Cheapflights users on 7/21. 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 8/131:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Mon 8/178:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Deal found 7/21![Frontier logo]()
$254
Best flights from Oregon to MissouriDiscover carefully curated flight deals from Oregon to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated flight deals from Oregon to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This Southwest deal was found by Cheapflights users on 7/19. 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.
Wed 8/194:00 pm
PDX
- MCI
1 stop5h 10m
Southwest
Tue 8/257:05 am
MCI
- PDX
2 stops10h 20m
Southwest
Deal found 7/19![Southwest logo]()
$262
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:07 pm
PDX
- MCI
1 stop5h 23m
United Airlines
Sun 9/66:00 am
MCI
- PDX
2 stops8h 00m
United Airlines
Deal found 7/20![United Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 7/20. 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.
Mon 11/231:38 pm
PDX
- MCI
1 stop7h 22m
Delta
Fri 11/277:40 pm
MCI
- PDX
1 stop6h 11m
Delta
Deal found 7/20![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:01 pm
EUG
- STL
1 stop6h 58m
Alaska Airlines
Tue 10/277:02 am
STL
- EUG
2 stops16h 45m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:52 pm
BOI
- STL
2 stops16h 48m
Frontier
Sat 10/108:10 pm
STL
- BOI
1 stop16h 18m
Frontier
Deal found 7/19![Frontier logo]()
$381
This Southwest deal was found by Cheapflights users on 7/21. 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.
Mon 8/2411:30 pm
PDX
- MCI
1 stop9h 00m
Southwest
Wed 8/2612:45 pm
MCI
- PDX
2 stops9h 05m
Southwest
Deal found 7/21![Southwest logo]()
$262
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Sat 8/224:07 pm
PDX
- SGF
1 stop5h 35m
United Airlines
Tue 8/251:37 pm
SGF
- PDX
1 stop6h 13m
United Airlines
Deal found 7/20![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 7/20. 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.
Fri 8/281:59 pm
BOI
- SGF
1 stop7h 22m
Delta
Fri 9/43:20 pm
SGF
- BOI
1 stop7h 37m
Delta
Deal found 7/20![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:03 pm
EUG
- MCI
1 stop18h 35m
Alaska Airlines
Tue 9/157:00 am
MCI
- EUG
2 stops15h 24m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$336
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:45 pm
PDX
- STL
1 stop9h 20m
Southwest
Tue 9/2212:20 pm
STL
- PDX
2 stops9h 30m
Southwest
Deal found 7/22![Southwest logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:49 am
PDX
- STL
Nonstop3h 48m
Alaska Airlines
Tue 9/16:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 7/22. 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.
Thu 8/61:25 pm
PDX
- MCI
1 stop8h 16m
Delta
Mon 8/105:40 pm
MCI
- PDX
1 stop7h 40m
Delta
Deal found 7/22![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/1212:28 pm
BOI
- SGF
1 stop8h 34m
United Airlines
Sat 9/195:30 am
SGF
- BOI
1 stop5h 04m
United Airlines
Deal found 7/21![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 7/21. 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.
Fri 9/42:05 pm
PDX
- MCI
1 stop7h 10m
Southwest
Sun 9/68:55 am
MCI
- PDX
2 stops10h 45m
Southwest
Deal found 7/21![Southwest logo]()
$333
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:44 pm
BOI
- SGF
1 stop5h 04m
United Airlines
Sat 10/313:03 pm
SGF
- BOI
1 stop9h 03m
United Airlines
Deal found 7/22![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 12/26:00 am
PDX
- STL
1 stop5h 23m
Delta
Sun 12/64:40 pm
STL
- PDX
1 stop7h 46m
Delta
Deal found 7/24![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:30 pm
PDX
- MCI
1 stop7h 29m
Alaska Airlines
Wed 10/286:17 am
MCI
- PDX
1 stop9h 10m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 7/20. 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.
Wed 12/91:00 pm
PDX
- MCI
1 stop6h 45m
Southwest
Wed 12/162:55 pm
MCI
- PDX
2 stops8h 30m
Southwest
Deal found 7/20![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 7/20. 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 11/312:08 pm
BOI
- STL
2 stops10h 18m
Delta
Sat 11/711:10 am
STL
- BOI
2 stops11h 58m
Delta
Deal found 7/20![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:30 pm
BOI
- SGF
1 stop5h 12m
United Airlines
Sat 10/245:30 am
SGF
- BOI
2 stops8h 28m
United Airlines
Deal found 7/21![United Airlines logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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.
Wed 9/235:25 am
EUG
- STL
1 stop9h 45m
Alaska Airlines
Sat 9/266:08 pm
STL
- EUG
1 stop6h 33m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am
PDX
- MCI
2 stops12h 10m
Southwest
Sun 9/136:20 pm
MCI
- PDX
1 stop7h 35m
Southwest
Deal found 7/23![Southwest logo]()
$344
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:59 pm
BOI
- SGF
1 stop7h 22m
Delta
Mon 8/243:20 pm
SGF
- BOI
2 stops9h 39m
Delta
Deal found 7/20![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/155:00 am
BOI
- MCI
1 stop6h 37m
United Airlines
Sat 8/225:13 pm
MCI
- BOI
1 stop5h 24m
United Airlines
Deal found 7/21![United Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:25 am
EUG
- STL
1 stop9h 45m
Alaska Airlines
Sun 9/66:08 pm
STL
- EUG
1 stop6h 33m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:00 pm
PDX
- STL
1 stop6h 26m
Delta
Tue 8/257:45 pm
STL
- PDX
1 stop5h 54m
Delta
Deal found 7/20![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 7/21. 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.
Tue 10/61:35 pm
EUG
- STL
1 stop5h 45m
Southwest
Sat 10/106:25 am
STL
- EUG
1 stop7h 50m
Southwest
Deal found 7/21![Southwest logo]()
$349
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 9/237:15 am
EUG
- STL
1 stop9h 24m
United Airlines
Sat 9/264:49 pm
STL
- EUG
1 stop6h 23m
United Airlines
Deal found 7/21![United Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:06 pm
BOI
- STL
1 stop8h 53m
Alaska Airlines
Wed 10/287:02 am
STL
- BOI
1 stop8h 09m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/62:08 pm
PDX
- STL
1 stop7h 50m
Delta
Thu 8/277:45 pm
STL
- PDX
1 stop5h 54m
Delta
Deal found 7/20![Delta logo]()
$348
Last-minute flights from Oregon to MissouriDiscover last-minute flight deals from Oregon to Missouri. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Missouri. Data last updated July 24, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/20. 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.
Fri 8/75:49 pm
PDX
- STL
1 stop22h 26m
Frontier
Tue 8/118:08 pm
STL
- PDX
1 stop22h 28m
Frontier
Deal found 7/20![Frontier logo]()
$259
This CheapOair deal was found by Cheapflights users on 7/21. 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 8/131:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Mon 8/178:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Deal found 7/21![Frontier logo]()
$254
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:25 am
PDX
- MCI
1 stop7h 05m
Southwest
Tue 8/1812:45 pm
MCI
- PDX
2 stops9h 05m
Southwest
Deal found 7/21![Southwest logo]()
$262
This Delta deal was found by Cheapflights users on 7/21. 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.
Thu 8/1312:35 am
PDX
- MCI
1 stop5h 59m
Delta
Mon 8/174:04 pm
MCI
- PDX
1 stop9h 16m
Delta
Deal found 7/21![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 7/21. 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.
Fri 8/1412:40 pm
PDX
- MCI
1 stop9h 05m
Southwest
Sun 8/168:00 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 7/21![Southwest logo]()
$247
This CheapOair deal was found by Cheapflights users on 7/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:49 pm
PDX
- STL
1 stop22h 26m
Frontier
Mon 8/178:08 pm
STL
- PDX
1 stop23h 03m
Frontier
Deal found 7/22![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 7/21. 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.
Fri 8/145:49 pm
PDX
- STL
1 stop22h 26m
Frontier
Sun 8/168:08 pm
STL
- PDX
1 stop22h 43m
Frontier
Deal found 7/21![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:49 pm
PDX
- STL
1 stop22h 01m
Frontier
Fri 8/216:17 pm
STL
- PDX
2 stops24h 54m
Frontier
Deal found 7/20![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:24 pm
BOI
- MCI
1 stop23h 29m
Frontier
Mon 8/241:38 pm
MCI
- BOI
1 stop23h 51m
Frontier
Deal found 7/21![Frontier logo]()
$243
This Southwest deal was found by Cheapflights users on 7/20. 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.
Thu 8/206:25 am
PDX
- MCI
1 stop8h 30m
Southwest
Sat 8/2212:40 pm
MCI
- PDX
1 stop9h 35m
Southwest
Deal found 7/20![Southwest logo]()
$257
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/2212:20 pm
PDX
- MCI
1 stop22h 33m
Frontier
Sat 8/291:38 pm
MCI
- PDX
1 stop5h 33m
Frontier
Deal found 7/24![Frontier logo]()
$241
This Southwest deal was found by Cheapflights users on 7/20. 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.
Sat 8/2211:40 am
PDX
- MCI
Nonstop3h 20m
Southwest
Wed 8/2612:45 pm
MCI
- PDX
2 stops9h 05m
Southwest
Deal found 7/20![Southwest logo]()
$252
One-way flights from Oregon to MissouriSearch for one-way flight options from Oregon to Missouri. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way flight options from Oregon to Missouri. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:35 pm
PDX
- MCI
1 stop17h 47m
Frontier
Deal found 7/22![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Wed 9/233:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Deal found 7/21![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/223:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Deal found 7/21![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:35 pm
PDX
- MCI
1 stop17h 47m
Frontier
Deal found 7/23![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Sun 10/1112:34 pm
PDX
- MCI
1 stop22h 48m
Frontier
Deal found 7/21![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Sat 9/512:20 pm
PDX
- STL
1 stop28h 53m
Frontier
Deal found 7/21![Frontier logo]()
$121
This Southwest deal was found by Cheapflights users on 7/21. 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.
Tue 10/204:05 pm
PDX
- MCI
1 stop5h 30m
Southwest
Deal found 7/21![Southwest logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Deal found 7/21![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:35 pm
PDX
- STL
1 stop23h 40m
Frontier
Deal found 7/22![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Mon 9/213:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Deal found 7/21![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:24 pm
BOI
- MCI
1 stop22h 58m
Frontier
Deal found 7/22![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Deal found 7/22![Frontier logo]()
$126
Find flight deals from Oregon to Missouri
Keep the following information in mind while searching for Oregon to Missouri flight deals. Data was last updated July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $236 (Kiwi.com) |
One-way from | $113 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $417 |
Good round-trip deal | $357 or less |
Good one-way deal | $228 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Oregon to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 24, 2026.
Use the filters below to find and compare flights from Oregon to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Wed 8/19
4:00 pm-11:10 pm
1 stop5h 10m
Kansas City
Tue 8/25
7:05 am-3:25 pm
2 stops10h 20m
$262
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Mon 8/24
11:30 pm-10:30 am
1 stop9h 00m
Kansas City
Wed 8/26
12:45 pm-7:50 pm
2 stops9h 05m
$262
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Fri 9/4
4:07 pm-11:30 pm
1 stop5h 23m
Kansas City
Sun 9/6
6:00 am-12:00 pm
2 stops8h 00m
$285
PortlandSpringfield
PDX - SGF
PDXSGF
Portland
Sat 8/22
4:07 pm-11:42 pm
1 stop5h 35m
Springfield-Branson
Tue 8/25
1:37 pm-5:50 pm
1 stop6h 13m
$313
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Mon 11/23
1:38 pm-11:00 pm
1 stop7h 22m
Kansas City
Fri 11/27
7:40 pm-11:51 pm
1 stop6h 11m
$329
BoiseSpringfield
BOI - SGF
BOISGF
Boise Air Term. Gowen Fld
Fri 8/28
1:59 pm-10:21 pm
1 stop7h 22m
Springfield-Branson
Fri 9/4
3:20 pm-9:57 pm
1 stop7h 37m
$329
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 9/15
10:45 pm-10:05 am
1 stop9h 20m
Lambert-St Louis
Tue 9/22
12:20 pm-7:50 pm
2 stops9h 30m
$332
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Fri 9/4
2:05 pm-11:15 pm
1 stop7h 10m
Kansas City
Sun 9/6
8:55 am-5:40 pm
2 stops10h 45m
$333
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Wed 12/9
1:00 pm-9:45 pm
1 stop6h 45m
Kansas City
Wed 12/16
2:55 pm-9:25 pm
2 stops8h 30m
$334
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Tue 10/20
3:01 pm-11:59 pm
1 stop6h 58m
Lambert-St Louis
Tue 10/27
7:02 am-9:47 pm
2 stops16h 45m
$336
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Oregon to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Oregon with our price prediction graph.
PDX-MCI
PDX-STL
BOI-MCI
BOI-STL
EUG-STL
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 Oregon to Missouri
USOR-USMO
PDX-MCI
PDX-STL
BOI-MCI
BOI-STL
What is the cheapest month to book a flight from Oregon to Missouri?
Currently, January is the cheapest month in which you can book a flight from Oregon to Missouri (average of $342). Flying from Oregon to Missouri in July is currently the most expensive (average of $446). 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 OR to MO?
Find hourly flight availability from Oregon 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 July 24, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Missouri as you normally would.
Weekly flight availability from Oregon to Missouri
Explore weekly flight availability from Oregon 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 July 24, 2026.
The most flights from USOR to USMO are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Oregon to Missouri?
Airfare is below average for this route at the moment.
Oregon to Missouri flights typically cost between $347 and $480 in October.The cheapest round-trip price found within the last 5 days was $240 on Frontier (Oct 1-Oct 5).
How far ahead should I book a flight from Oregon to Missouri?
The price you pay for your flight from Oregon to Missouri may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 July 24, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Oregon to Missouri. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
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 Oregon 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 Oregon to Missouri
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Oregon to Missouri by cabin class
Find flights from Oregon to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Oregon and Missouri flights
Browse other Oregon and Missouri flight options. Last updated on July 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Missouri
Find the right flight back to Oregon after your stay in Missouri
Oregon to Missouri flights
Consider these flights traveling from Oregon to Missouri.
Top 7 airlines flying from Oregon to Missouri
Discover the top 7 airlines that operate flights from Oregon to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$287 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$362 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$433 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$237 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$196 | Average$429 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$224 | Average$504 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$399 | FlexibilityNo cancel fee | On-time71% |