$96+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MCI
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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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 7, 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 7, 2026.
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/1511:40 am
PDX
- MCI
Nonstop3h 20m
Southwest
Sat 8/221:35 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 7/7![Southwest logo]()
$198
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:00 pm
PDX
- MCI
1 stop8h 08m
Delta
Mon 11/237:40 pm
MCI
- PDX
1 stop6h 11m
Delta
Deal found 7/7![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/133:25 pm
PDX
- MCI
1 stop6h 20m
Southwest
Mon 8/177:15 pm
MCI
- PDX
1 stop6h 00m
Southwest
Deal found 7/7![Southwest logo]()
$218
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/1611:35 am
PDX
- MCI
2 stops8h 45m
Southwest
Mon 9/214:55 pm
MCI
- PDX
1 stop6h 20m
Southwest
Deal found 7/6![Southwest logo]()
$223
This Frontier deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/2![Frontier logo]()
$240
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 11/131:38 pm
PDX
- MCI
1 stop7h 22m
Delta
Mon 11/237:40 pm
MCI
- PDX
1 stop6h 11m
Delta
Deal found 7/7![Delta logo]()
$245
This Booking.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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.
Tue 8/41:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Sat 8/81:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Deal found 7/2![Frontier logo]()
$245
This Mytrip deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Mon 10/59:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Thu 10/85:19 pm
STL
- PDX
1 stop29h 20m
Frontier
Deal found 7/3![Frontier logo]()
$249
This CheapOair deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/201:47 pm
PDX
- STL
1 stop26h 03m
Frontier
Sun 8/236:45 pm
STL
- PDX
1 stop24h 36m
Frontier
Deal found 7/6![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/2012:24 pm
BOI
- STL
1 stop5h 49m
Frontier
Mon 8/247:58 pm
STL
- BOI
1 stop17h 31m
Frontier
Deal found 7/3![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 7/225:21 pm
PDX
- STL
1 stop24h 02m
Frontier
Wed 7/297:03 pm
STL
- PDX
1 stop25h 01m
Frontier
Deal found 7/4![Frontier logo]()
$259
This Mytrip deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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.
Sun 8/166:49 pm
PDX
- MCI
1 stop18h 58m
Frontier
Sat 8/221:38 pm
MCI
- PDX
1 stop5h 33m
Frontier
Deal found 7/6![Frontier logo]()
$260
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 7, 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 7, 2026.
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:15 am
BOI
- MCI
1 stop8h 15m
Southwest
Mon 11/96:45 am
MCI
- BOI
1 stop4h 55m
Southwest
Deal found 7/6![Southwest logo]()
$268
This Orbitz deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:16 am
PDX
- STL
Nonstop3h 54m
Alaska Airlines
Wed 9/306:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$297
This CheapOair deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/7![Frontier logo]()
$308
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/811:09 pm
PDX
- SGF
1 stop8h 59m
American Airlines
Tue 9/156:49 pm
SGF
- PDX
1 stop6h 34m
American Airlines
Deal found 7/3![American Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/111:02 pm
PDX
- STL
1 stop7h 37m
United Airlines
Wed 9/309:00 am
STL
- PDX
1 stop6h 15m
United Airlines
Deal found 7/2![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/205:08 pm
PDX
- MCI
1 stop5h 05m
Delta
Sun 8/231:31 pm
MCI
- PDX
1 stop10h 13m
Delta
Deal found 7/5![Delta logo]()
$329
This Booking.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Fri 7/244:27 pm
BOI
- MCI
1 stop6h 32m
Multiple Airlines
Mon 7/271:45 pm
MCI
- BOI
1 stop23h 44m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/103:25 pm
PDX
- STL
1 stop6h 25m
Southwest
Sun 9/139:55 pm
STL
- PDX
Nonstop4h 10m
Southwest
Deal found 7/2![Southwest logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/110:50 am
PDX
- STL
2 stops9h 10m
United Airlines
Wed 11/44:40 pm
STL
- PDX
1 stop6h 28m
United Airlines
Deal found 7/3![United Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/411:20 pm
PDX
- MCI
1 stop8h 25m
Delta
Mon 9/75:40 pm
MCI
- PDX
1 stop7h 40m
Delta
Deal found 7/2![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/256:00 am
BOI
- MCI
1 stop5h 38m
Alaska Airlines
Wed 8/267:00 am
MCI
- BOI
1 stop6h 36m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/15:25 am
PDX
- MCI
1 stop7h 25m
Southwest
Sun 8/98:00 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 7/6![Southwest logo]()
$319
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/512:35 am
PDX
- MCI
1 stop5h 59m
Delta
Mon 8/105:40 pm
MCI
- PDX
1 stop7h 40m
Delta
Deal found 7/6![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 11/121:51 pm
BOI
- MCI
1 stop9h 08m
Alaska Airlines
Sun 11/157:01 am
MCI
- BOI
1 stop9h 26m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/1111:30 pm
PDX
- STL
1 stop8h 05m
Southwest
Sat 8/158:55 am
STL
- PDX
1 stop7h 05m
Southwest
Deal found 7/4![Southwest logo]()
$319
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:24 am
EUG
- STL
2 stops10h 41m
American Airlines
Tue 8/118:00 am
STL
- EUG
1 stop7h 03m
American Airlines
Deal found 7/7![American Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 10/2112:20 pm
MFR
- MCI
1 stop9h 11m
Delta
Sun 10/257:00 am
MCI
- MFR
1 stop7h 16m
Delta
Deal found 7/2![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/296:20 am
PDX
- MCI
1 stop5h 32m
Alaska Airlines
Wed 9/27:00 am
MCI
- PDX
1 stop8h 10m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/226:10 am
PDX
- MCI
2 stops7h 00m
Southwest
Sat 8/2912:40 pm
MCI
- PDX
1 stop9h 35m
Southwest
Deal found 7/4![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/2512:20 pm
MFR
- MCI
1 stop8h 42m
Delta
Sat 8/297:15 am
MCI
- MFR
1 stop7h 38m
Delta
Deal found 7/4![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 9/1210:36 am
BOI
- MCI
1 stop4h 35m
United Airlines
Tue 9/153:14 pm
MCI
- BOI
2 stops8h 49m
United Airlines
Deal found 7/5![United Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/296:20 am
PDX
- STL
1 stop6h 01m
Alaska Airlines
Wed 9/306:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/811:20 am
PDX
- MCI
1 stop6h 05m
Southwest
Sun 8/97:50 pm
MCI
- PDX
1 stop6h 05m
Southwest
Deal found 7/6![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/276:42 pm
BOI
- MCI
1 stop4h 31m
Delta
Mon 8/36:01 pm
MCI
- BOI
1 stop6h 58m
Delta
Deal found 7/2![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/229:00 am
PDX
- SGF
2 stops12h 42m
United Airlines
Sat 8/295:30 am
SGF
- PDX
1 stop6h 02m
United Airlines
Deal found 7/4![United Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:01 am
BOI
- STL
1 stop8h 36m
American Airlines
Fri 8/148:36 am
STL
- BOI
1 stop6h 23m
American Airlines
Deal found 7/4![American Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/98:25 pm
BOI
- STL
1 stop19h 45m
Alaska Airlines
Tue 9/153:19 pm
STL
- BOI
1 stop9h 25m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 10/13:30 pm
PDX
- MCI
1 stop6h 20m
Southwest
Sun 10/42:05 pm
MCI
- PDX
2 stops10h 15m
Southwest
Deal found 7/4![Southwest logo]()
$334
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/15:46 pm
BOI
- SGF
1 stop4h 56m
United Airlines
Sat 8/153:03 pm
SGF
- BOI
2 stops8h 37m
United Airlines
Deal found 7/4![United Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:05 am
MFR
- MCI
2 stops10h 33m
Delta
Wed 10/282:15 pm
MCI
- MFR
2 stops11h 40m
Delta
Deal found 7/6![Delta logo]()
$349
Last-minute flights from Oregon to MissouriDiscover last-minute flight deals from Oregon to Missouri. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Missouri. Data last updated July 7, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 7/225:21 pm
PDX
- STL
1 stop24h 02m
Frontier
Wed 7/297:03 pm
STL
- PDX
1 stop25h 01m
Frontier
Deal found 7/4![Frontier logo]()
$259
This Booking.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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.
Sun 7/261:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Wed 7/291:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Deal found 7/5![Frontier logo]()
$262
This Trip.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/315:49 pm
PDX
- STL
1 stop22h 26m
Frontier
Sun 8/27:10 pm
STL
- PDX
1 stop23h 44m
Frontier
Deal found 7/6![Frontier logo]()
$262
This Booking.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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.
Tue 8/41:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Sat 8/81:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Deal found 7/2![Frontier logo]()
$245
This Booking.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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.
Thu 8/66:49 pm
PDX
- MCI
1 stop18h 58m
Frontier
Sun 8/164:32 pm
MCI
- PDX
1 stop26h 22m
Frontier
Deal found 7/5![Frontier logo]()
$262
This Booking.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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.
Thu 8/612:20 pm
PDX
- MCI
1 stop22h 40m
Frontier
Sun 8/94:32 pm
MCI
- PDX
1 stop26h 22m
Frontier
Deal found 7/6![Frontier logo]()
$263
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/133:25 pm
PDX
- MCI
1 stop6h 20m
Southwest
Mon 8/177:15 pm
MCI
- PDX
1 stop6h 00m
Southwest
Deal found 7/7![Southwest logo]()
$218
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/1511:40 am
PDX
- MCI
Nonstop3h 20m
Southwest
Sat 8/221:35 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 7/7![Southwest logo]()
$198
This Mytrip deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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.
Sun 8/166:49 pm
PDX
- MCI
1 stop18h 58m
Frontier
Sat 8/221:38 pm
MCI
- PDX
1 stop5h 33m
Frontier
Deal found 7/6![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/201:47 pm
PDX
- STL
1 stop26h 03m
Frontier
Sun 8/236:45 pm
STL
- PDX
1 stop24h 36m
Frontier
Deal found 7/6![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/2012:24 pm
BOI
- STL
1 stop5h 49m
Frontier
Mon 8/247:58 pm
STL
- BOI
1 stop17h 31m
Frontier
Deal found 7/3![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/3![Frontier logo]()
$261
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 7, 2026.
Search for one-way flight options from Oregon to Missouri. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/59:45 am
PDX
- STL
Nonstop3h 45m
Southwest
Deal found 7/7![Southwest logo]()
$96
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/511:40 am
PDX
- MCI
Nonstop3h 20m
Southwest
Deal found 7/7![Southwest logo]()
$99
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:34 pm
PDX
- MCI
1 stop7h 06m
American Airlines
Deal found 7/7![American Airlines logo]()
$109
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/2912:30 pm
PDX
- MCI
2 stops8h 40m
Southwest
Deal found 7/7![Southwest logo]()
$114
This Frontier deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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.
Fri 10/29:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Deal found 7/7![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/111:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 7/2![Frontier logo]()
$127
This Trip.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:49 pm
PDX
- STL
1 stop21h 26m
Frontier
Deal found 7/2![Frontier logo]()
$129
This Mytrip deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/163:22 pm
PDX
- STL
1 stop25h 53m
Frontier
Deal found 7/4![Frontier logo]()
$130
This CheapOair deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/315:49 pm
PDX
- STL
1 stop22h 26m
Frontier
Deal found 7/7![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/55:21 pm
PDX
- STL
1 stop24h 02m
Frontier
Deal found 7/4![Frontier logo]()
$134
This Trip.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:20 pm
PDX
- MCI
1 stop22h 40m
Frontier
Deal found 7/2![Frontier logo]()
$135
This Booking.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Wed 8/125:21 pm
PDX
- MCI
1 stop17h 39m
Frontier
Deal found 7/3![Frontier logo]()
$136
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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (Southwest) |
One-way from | $96 (Southwest) |
Popular in | July |
Cheapest in | November |
Average price | $418 |
Good round-trip deal | $377 or less |
Good one-way deal | $229 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 7, 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
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Wed 11/4
6:15 am-3:30 pm
1 stop8h 15m
Kansas City
Mon 11/9
6:45 am-10:40 am
1 stop4h 55m
$268
Quickest round-trip
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 9/1
11:16 am-5:10 pm
Nonstop3h 54m
Lambert-St Louis
Wed 9/30
6:08 pm-8:20 pm
Nonstop4h 12m
$297
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Thu 8/13
1:24 pm-7:23 pm
1 stop4h 59m
Lambert-St Louis
Mon 8/17
8:08 pm-12:29 pm
1 stop17h 21m
$308
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Thu 9/10
3:25 pm-11:50 pm
1 stop6h 25m
Lambert-St Louis
Sun 9/13
9:55 pm-12:05 am
Nonstop4h 10m
$309
PortlandSpringfield
PDX - SGF
PDXSGF
Portland
Tue 9/8
11:09 pm-10:08 am
1 stop8h 59m
Springfield-Branson
Tue 9/15
6:49 pm-11:23 pm
1 stop6h 34m
$313
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 9/1
11:02 pm-8:39 am
1 stop7h 37m
Lambert-St Louis
Wed 9/30
9:00 am-1:15 pm
1 stop6h 15m
$317
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Sat 8/1
5:25 am-2:50 pm
1 stop7h 25m
Kansas City
Sun 8/9
8:00 pm-9:35 pm
Nonstop3h 35m
$319
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 8/11
11:30 pm-9:35 am
1 stop8h 05m
Lambert-St Louis
Sat 8/15
8:55 am-2:00 pm
1 stop7h 05m
$319
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 9/1
10:50 am-10:00 pm
2 stops9h 10m
Lambert-St Louis
Wed 11/4
4:40 pm-9:08 pm
1 stop6h 28m
$322
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Sat 8/22
6:10 am-3:10 pm
2 stops7h 00m
Kansas City
Sat 8/29
12:40 pm-8:15 pm
1 stop9h 35m
$322
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-STL
BOI-MCI
EUG-MCI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Oregon to Missouri
USOR-USMO
PDX-MCI
PDX-STL
BOI-STL
BOI-MCI
What is the cheapest month to book a flight from Oregon to Missouri?
Currently, December is the cheapest month in which you can book a flight from Oregon to Missouri (average of $75). Flying from Oregon to Missouri in January is currently the most expensive (average of $169). 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 7, 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.
How much does it cost to fly round-trip from Oregon to Missouri?
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 7, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, 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.
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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 7, 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 7, 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$178 | Average$429 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$237 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$196 | Average$426 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$224 | Average$515 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$394 | FlexibilityNo cancel fee | On-time71% |