$100+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
Jun 15 — Jun 221
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
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 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 May 16, 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 May 16, 2026.
This CheapOair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:16 pm
PDX
- STL
1 stop24h 07m
Frontier
Wed 8/198:08 pm
STL
- PDX
1 stop22h 49m
Frontier
Deal found 5/11![Frontier logo]()
$220
This Mytrip deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Tue 9/152:17 pm
MCI
- PDX
1 stop26h 10m
Frontier
Deal found 5/12![Frontier logo]()
$241
This Booking.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:25 pm
BOI
- MCI
1 stop22h 35m
Frontier
Sat 6/201:45 pm
MCI
- BOI
1 stop23h 45m
Frontier
Deal found 5/14![Frontier logo]()
$242
This Gotogate deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Mon 9/282:17 pm
MCI
- PDX
1 stop26h 10m
Frontier
Deal found 5/12![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Mon 6/88:08 pm
STL
- PDX
1 stop22h 27m
Frontier
Deal found 5/12![Frontier logo]()
$254
This Trip.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:15 am
PDX
- STL
1 stop6h 56m
Frontier
Sun 6/79:06 pm
STL
- PDX
1 stop15h 14m
Frontier
Deal found 5/12![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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
Mon 9/212:17 pm
MCI
- PDX
1 stop26h 10m
Frontier
Deal found 5/15![Frontier logo]()
$259
This Gotogate deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/298:42 pm
PDX
- STL
1 stop20h 09m
Frontier
Fri 7/37:38 pm
STL
- PDX
1 stop23h 19m
Frontier
Deal found 5/12![Frontier logo]()
$259
This Mytrip deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Wed 9/302:17 pm
MCI
- PDX
1 stop28h 18m
Frontier
Deal found 5/11![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:15 am
PDX
- STL
1 stop6h 56m
Frontier
Mon 6/88:08 pm
STL
- PDX
1 stop22h 27m
Frontier
Deal found 5/12![Frontier logo]()
$260
This Mytrip deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Tue 9/152:17 pm
MCI
- PDX
1 stop26h 10m
Frontier
Deal found 5/12![Frontier logo]()
$261
This Booking.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:04 pm
BOI
- STL
1 stop5h 19m
Frontier
Sat 9/58:08 pm
STL
- BOI
1 stop17h 01m
Frontier
Deal found 5/14![Frontier logo]()
$262
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 May 16, 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 May 16, 2026.
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/812:33 am
PDX
- STL
1 stop8h 00m
Delta
Fri 6/127:55 pm
STL
- PDX
1 stop5h 51m
Delta
Deal found 5/13![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:00 am
PDX
- STL
1 stop5h 40m
United Airlines
Tue 9/155:10 am
STL
- PDX
1 stop6h 11m
United Airlines
Deal found 5/13![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 7/145:50 am
PDX
- STL
2 stops9h 55m
Southwest
Mon 7/2012:40 pm
STL
- PDX
1 stop8h 20m
Southwest
Deal found 5/16![Southwest logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Mon 6/85:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:05 pm
BOI
- STL
1 stop6h 54m
American Airlines
Sun 6/75:29 am
STL
- BOI
1 stop6h 49m
American Airlines
Deal found 5/11![American Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/195:24 pm
PDX
- MCI
1 stop4h 54m
Delta
Tue 6/232:55 pm
MCI
- PDX
1 stop5h 27m
Delta
Deal found 5/15![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:15 pm
PDX
- MCI
1 stop7h 15m
Southwest
Sun 6/77:20 pm
MCI
- PDX
1 stop6h 45m
Southwest
Deal found 5/14![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:40 pm
PDX
- MCI
1 stop8h 02m
United Airlines
Wed 6/177:10 pm
MCI
- PDX
1 stop5h 48m
United Airlines
Deal found 5/13![United Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:19 pm
BOI
- STL
1 stop6h 35m
Alaska Airlines
Sat 6/64:12 pm
STL
- BOI
1 stop8h 46m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:25 pm
PDX
- MCI
1 stop5h 37m
Delta
Sat 12/197:40 pm
MCI
- PDX
1 stop6h 11m
Delta
Deal found 5/14![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 9/125:00 am
PDX
- MCI
1 stop5h 37m
United Airlines
Tue 9/151:43 pm
MCI
- PDX
2 stops8h 38m
United Airlines
Deal found 5/15![United Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:30 pm
PDX
- STL
1 stop6h 15m
Southwest
Sun 6/74:45 pm
STL
- PDX
Nonstop4h 05m
Southwest
Deal found 5/12![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 10/51:43 pm
BOI
- SGF
1 stop7h 46m
Delta
Sun 10/113:30 pm
SGF
- BOI
1 stop8h 11m
Delta
Deal found 5/15![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:05 pm
PDX
- MCI
1 stop7h 05m
Southwest
Sat 10/177:15 am
MCI
- PDX
2 stops9h 20m
Southwest
Deal found 5/11![Southwest logo]()
$358
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/244:06 pm
BOI
- STL
1 stop6h 53m
American Airlines
Sun 6/285:29 am
STL
- BOI
1 stop6h 49m
American Airlines
Deal found 5/15![American Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:36 pm
MFR
- STL
1 stop26h 01m
Alaska Airlines
Tue 6/25:33 pm
STL
- MFR
1 stop7h 06m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1211:15 pm
PDX
- STL
1 stop8h 17m
Delta
Sat 6/205:00 pm
STL
- PDX
1 stop7h 40m
Delta
Deal found 5/11![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:35 pm
PDX
- STL
2 stops8h 55m
Southwest
Thu 7/236:30 pm
STL
- PDX
1 stop7h 25m
Southwest
Deal found 5/14![Southwest logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am
PDX
- MCI
Nonstop3h 38m
Alaska Airlines
Tue 9/152:51 pm
MCI
- PDX
Nonstop3h 54m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 9/2910:43 am
PDX
- SGF
1 stop8h 03m
United Airlines
Sat 10/35:30 am
SGF
- PDX
1 stop6h 01m
United Airlines
Deal found 5/15![United Airlines logo]()
$413
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:15 pm
PDX
- STL
1 stop7h 20m
Southwest
Mon 8/3111:55 am
STL
- PDX
2 stops9h 25m
Southwest
Deal found 5/13![Southwest logo]()
$363
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:20 am
MFR
- STL
1 stop6h 16m
Delta
Tue 6/162:28 pm
STL
- MFR
2 stops10h 44m
Delta
Deal found 5/11![Delta logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 11/129:00 am
BOI
- MCI
1 stop7h 15m
Alaska Airlines
Sun 11/156:09 pm
MCI
- BOI
1 stop6h 37m
Alaska Airlines
Deal found 5/16![Alaska Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 8/182:44 pm
BOI
- MCI
1 stop4h 50m
United Airlines
Wed 8/196:00 am
MCI
- BOI
2 stops10h 31m
United Airlines
Deal found 5/15![United Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:40 pm
PDX
- MCI
1 stop6h 30m
Southwest
Sun 9/278:00 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 5/14![Southwest logo]()
$364
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/235:24 pm
PDX
- STL
1 stop5h 19m
Delta
Sat 6/276:21 am
STL
- PDX
1 stop8h 19m
Delta
Deal found 5/15![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 9/2910:37 am
PDX
- SGF
1 stop6h 43m
Alaska Airlines
Sat 10/312:47 pm
SGF
- PDX
2 stops9h 53m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:40 pm
BOI
- SGF
1 stop5h 35m
United Airlines
Sat 6/65:50 am
SGF
- BOI
1 stop5h 03m
United Airlines
Deal found 5/14![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:15 pm
PDX
- MCI
Nonstop3h 15m
Southwest
Sat 7/113:15 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 5/13![Southwest logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:08 pm
EUG
- MCI
1 stop6h 51m
Alaska Airlines
Sat 8/297:00 am
MCI
- EUG
1 stop8h 37m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$424
Last-minute flights from Oregon to MissouriDiscover last-minute flight deals from Oregon to Missouri. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Missouri. Data last updated May 16, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Sun 5/319:06 pm
STL
- PDX
1 stop15h 14m
Frontier
Deal found 5/12![Frontier logo]()
$280
This Booking.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Sun 5/312:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 5/13![Frontier logo]()
$292
This CheapOair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3012:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Thu 6/49:06 pm
STL
- PDX
1 stop15h 14m
Frontier
Deal found 5/11![Frontier logo]()
$290
This CheapOair deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Sat 6/65:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$297
This Trip.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:15 am
PDX
- STL
1 stop6h 56m
Frontier
Sun 6/79:06 pm
STL
- PDX
1 stop15h 14m
Frontier
Deal found 5/12![Frontier logo]()
$258
This CheapOair deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:15 am
PDX
- STL
1 stop6h 56m
Frontier
Mon 6/88:08 pm
STL
- PDX
1 stop22h 27m
Frontier
Deal found 5/12![Frontier logo]()
$260
This Expedia deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:15 am
PDX
- STL
1 stop6h 56m
Multiple Airlines
Sun 6/75:33 pm
STL
- PDX
Nonstop4h 17m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$269
This CheapOair deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Mon 6/88:08 pm
STL
- PDX
1 stop22h 27m
Frontier
Deal found 5/12![Frontier logo]()
$254
This Booking.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:20 pm
PDX
- MCI
1 stop17h 40m
Frontier
Tue 6/161:45 pm
MCI
- PDX
1 stop28h 50m
Frontier
Deal found 5/12![Frontier logo]()
$262
This Booking.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:20 pm
PDX
- MCI
1 stop17h 40m
Frontier
Mon 8/171:50 pm
MCI
- PDX
1 stop6h 14m
Frontier
Deal found 5/12![Frontier logo]()
$282
This Booking.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:25 pm
BOI
- MCI
1 stop22h 35m
Frontier
Sat 6/201:45 pm
MCI
- BOI
1 stop23h 45m
Frontier
Deal found 5/14![Frontier logo]()
$242
This Gotogate deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/298:42 pm
PDX
- STL
1 stop20h 09m
Frontier
Fri 7/37:38 pm
STL
- PDX
1 stop23h 19m
Frontier
Deal found 5/12![Frontier logo]()
$259
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 May 16, 2026.
Search for one-way flight options from Oregon to Missouri. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:20 pm
PDX
- MCI
1 stop17h 40m
Frontier
Deal found 5/11![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 5/12![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:35 pm
PDX
- STL
1 stop23h 40m
Frontier
Deal found 5/12![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/42:38 pm
PDX
- STL
2 stops40h 17m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/42:38 pm
PDX
- MCI
2 stops24h 51m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$119
This Frontier deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:15 am
PDX
- STL
1 stop6h 56m
Frontier
Deal found 5/12![Frontier logo]()
$125
This Booking.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/245:20 pm
PDX
- MCI
1 stop17h 40m
Frontier
Deal found 5/15![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:16 pm
PDX
- MCI
1 stop17h 39m
Frontier
Deal found 5/12![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 8/125:16 pm
PDX
- MCI
1 stop17h 39m
Frontier
Deal found 5/15![Frontier logo]()
$129
This Trip.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 5/11![Frontier logo]()
$129
This Trip.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/268:42 pm
PDX
- STL
1 stop15h 24m
Frontier
Deal found 5/11![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:47 pm
PDX
- MCI
1 stop19h 35m
Frontier
Deal found 5/13![Frontier logo]()
$131
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 May 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $220 (CheapOair) |
One-way from | $100 (Kiwi.com) |
Popular in | March |
Cheapest in | November |
Average price | $403 |
Good round-trip deal | $384 or less |
Good one-way deal | $144 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 May 16, 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
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Mon 6/8
12:33 am-10:33 am
1 stop8h 00m
Lambert-St Louis
Fri 6/12
7:55 pm-11:46 pm
1 stop5h 51m
$318
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Sat 9/12
5:00 am-12:40 pm
1 stop5h 40m
Lambert-St Louis
Tue 9/15
5:10 am-9:21 am
1 stop6h 11m
$319
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 7/14
5:50 am-5:45 pm
2 stops9h 55m
Lambert-St Louis
Mon 7/20
12:40 pm-7:00 pm
1 stop8h 20m
$324
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Fri 6/19
5:24 pm-12:18 am
1 stop4h 54m
Kansas City
Tue 6/23
2:55 pm-6:22 pm
1 stop5h 27m
$329
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Fri 6/5
3:15 pm-12:30 am
1 stop7h 15m
Kansas City
Sun 6/7
7:20 pm-12:05 am
1 stop6h 45m
$329
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Wed 6/10
10:40 pm-8:42 am
1 stop8h 02m
Kansas City
Wed 6/17
7:10 pm-10:58 pm
1 stop5h 48m
$329
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Mon 8/17
3:25 pm-11:02 pm
1 stop5h 37m
Kansas City
Sat 12/19
7:40 pm-11:51 pm
1 stop6h 11m
$329
BoiseSpringfield
BOI - SGF
BOISGF
Boise Air Term. Gowen Fld
Mon 10/5
1:43 pm-10:29 pm
1 stop7h 46m
Springfield-Branson
Sun 10/11
3:30 pm-10:41 pm
1 stop8h 11m
$329
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Sat 9/12
5:00 am-12:37 pm
1 stop5h 37m
Kansas City
Tue 9/15
1:43 pm-8:21 pm
2 stops8h 38m
$334
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Fri 6/12
11:15 pm-9:32 am
1 stop8h 17m
Lambert-St Louis
Sat 6/20
5:00 pm-10:40 pm
1 stop7h 40m
$339
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-STL
BOI-STL
PDX-MCI
BOI-SGF
MFR-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-STL
BOI-STL
PDX-MCI
BOI-SGF
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 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Oregon to Missouri?
Currently, July is the cheapest month in which you can book a flight from Oregon to Missouri (average of $89). 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 May 16, 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 May 16, 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?
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 May 16, 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.
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 May 16, 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 May 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$361 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$426 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$307 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$196 | Average$428 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$199 | Average$500 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$414 | FlexibilityNo cancel fee | On-time71% |