$145+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MCI
Jun 25 — Jul 21
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 May 26, 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 26, 2026.
This Booking.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 7/225:21 pm
PDX
- MCI
1 stop17h 39m
Frontier
Thu 7/234:32 pm
MCI
- PDX
1 stop26h 22m
Frontier
Deal found 5/25![Frontier logo]()
$301
This Booking.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 9/312:26 pm
PDX
- MCI
1 stop22h 34m
Frontier
Wed 9/92:17 pm
MCI
- PDX
1 stop28h 18m
Frontier
Deal found 5/25![Frontier logo]()
$302
This Southwest deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 5/25![Southwest logo]()
$309
This Booking.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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.
Sat 8/812:20 pm
PDX
- MCI
1 stop22h 40m
Frontier
Mon 8/101:45 pm
MCI
- PDX
1 stop28h 46m
Frontier
Deal found 5/25![Frontier logo]()
$311
This Mytrip deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Sun 9/132:17 pm
MCI
- PDX
1 stop28h 18m
Frontier
Deal found 5/26![Frontier logo]()
$314
This Booking.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 8/206:19 pm
PDX
- MCI
1 stop16h 36m
Frontier
Sun 8/231:50 pm
MCI
- PDX
1 stop29h 34m
Frontier
Deal found 5/25![Frontier logo]()
$315
This Booking.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 10/1612:34 pm
PDX
- MCI
1 stop22h 48m
Frontier
Mon 10/192:17 pm
MCI
- PDX
1 stop28h 18m
Frontier
Deal found 5/25![Frontier logo]()
$317
This Southwest deal was found by Cheapflights users on 5/22. 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.
Thu 8/202:05 pm
PDX
- MCI
1 stop7h 10m
Southwest
Sun 8/238:00 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 5/22![Southwest logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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 8/1810:49 am
PDX
- STL
Nonstop3h 48m
Alaska Airlines
Mon 8/246:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$319
This CheapOair deal was found by Cheapflights users on 5/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:20 pm
PDX
- STL
1 stop24h 03m
Frontier
Tue 6/308:08 pm
STL
- PDX
1 stop22h 27m
Frontier
Deal found 5/23![Frontier logo]()
$320
This Booking.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/91:25 pm
BOI
- MCI
1 stop22h 35m
Frontier
Sat 6/131:45 pm
MCI
- BOI
1 stop23h 45m
Frontier
Deal found 5/25![Frontier logo]()
$321
This Booking.com deal was found by Cheapflights users on 5/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:20 pm
PDX
- MCI
1 stop22h 40m
Frontier
Mon 7/201:45 pm
MCI
- PDX
1 stop28h 46m
Frontier
Deal found 5/23![Frontier logo]()
$322
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 26, 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 26, 2026.
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:10 pm
PDX
- STL
1 stop6h 08m
Delta
Mon 11/97:55 pm
STL
- PDX
1 stop5h 56m
Delta
Deal found 5/22![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 5/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:07 pm
PDX
- MCI
1 stop5h 23m
United Airlines
Wed 8/195:13 pm
MCI
- PDX
1 stop7h 41m
United Airlines
Deal found 5/24![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 5/21. 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 6/97:50 am
PDX
- MCI
2 stops10h 45m
Southwest
Sat 6/137:20 pm
MCI
- PDX
1 stop6h 05m
Southwest
Deal found 5/21![Southwest logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 5/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:49 pm
EUG
- STL
1 stop8h 10m
Alaska Airlines
Tue 10/277:00 am
STL
- EUG
1 stop8h 12m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:17 pm
BOI
- SGF
1 stop6h 01m
American Airlines
Fri 9/47:15 am
SGF
- BOI
1 stop7h 59m
American Airlines
Deal found 5/21![American Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 5/24. 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.
Thu 8/206:20 am
PDX
- MCI
1 stop6h 30m
Delta
Sun 8/233:52 pm
MCI
- PDX
1 stop8h 20m
Delta
Deal found 5/24![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:16 am
PDX
- MCI
1 stop8h 59m
United Airlines
Sat 6/135:24 pm
MCI
- PDX
1 stop5h 46m
United Airlines
Deal found 5/21![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 7/297:50 am
PDX
- MCI
2 stops10h 50m
Southwest
Tue 8/45:35 pm
MCI
- PDX
1 stop6h 20m
Southwest
Deal found 5/25![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 5/21. 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 11/1910:15 am
PDX
- MCI
1 stop5h 07m
Delta
Tue 12/15:40 pm
MCI
- PDX
1 stop8h 07m
Delta
Deal found 5/21![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 5/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:16 am
PDX
- STL
Nonstop3h 54m
Alaska Airlines
Sun 9/136:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 5/22. 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.
Thu 7/25:00 pm
PDX
- STL
1 stop6h 50m
Southwest
Tue 7/76:55 pm
STL
- PDX
1 stop7h 00m
Southwest
Deal found 5/22![Southwest logo]()
$348
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:31 am
BOI
- STL
1 stop5h 03m
United Airlines
Sat 8/2212:59 pm
STL
- BOI
2 stops9h 38m
United Airlines
Deal found 5/23![United Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 5/22. 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.
Tue 8/256:50 am
PDX
- SGF
1 stop9h 23m
Delta
Mon 8/316:00 am
SGF
- PDX
2 stops14h 11m
Delta
Deal found 5/22![Delta logo]()
$336
This Alaska Airlines deal was found by Cheapflights users on 5/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:16 am
PDX
- STL
Nonstop3h 54m
Alaska Airlines
Tue 9/16:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 9/2911:16 am
PDX
- STL
Nonstop3h 54m
Alaska Airlines
Wed 9/306:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Deal found 5/25![Alaska Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 5/22. 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.
Sun 9/276:45 am
PDX
- MCI
1 stop8h 50m
Southwest
Sun 9/278:00 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 5/22![Southwest logo]()
$383
This United Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:27 pm
PDX
- SGF
1 stop6h 54m
United Airlines
Sun 9/135:30 am
SGF
- PDX
1 stop6h 02m
United Airlines
Deal found 5/26![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 5/24. 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.
Tue 10/204:40 pm
EUG
- STL
1 stop5h 56m
Delta
Tue 10/276:45 am
STL
- EUG
2 stops11h 13m
Delta
Deal found 5/24![Delta logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 5/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:16 am
PDX
- STL
Nonstop3h 54m
Alaska Airlines
Tue 9/156:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 5/21. 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 9/411:30 pm
PDX
- STL
1 stop6h 15m
Southwest
Tue 9/85:35 am
STL
- PDX
2 stops11h 50m
Southwest
Deal found 5/21![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 8/292:44 pm
BOI
- STL
1 stop5h 02m
United Airlines
Mon 8/3112:59 pm
STL
- BOI
2 stops9h 38m
United Airlines
Deal found 5/25![United Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:48 pm
RDM
- STL
1 stop8h 10m
American Airlines
Sun 8/238:00 am
STL
- RDM
1 stop7h 24m
American Airlines
Deal found 5/26![American Airlines logo]()
$531
This Delta deal was found by Cheapflights users on 5/21. 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.
Sat 10/1010:55 pm
PDX
- SGF
2 stops13h 55m
Delta
Tue 10/133:30 pm
SGF
- PDX
1 stop8h 56m
Delta
Deal found 5/21![Delta logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 9/296:23 am
BOI
- STL
1 stop6h 58m
Alaska Airlines
Wed 9/303:19 pm
STL
- BOI
1 stop8h 19m
Alaska Airlines
Deal found 5/25![Alaska Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Wed 8/195:00 am
EUG
- MCI
1 stop5h 37m
United Airlines
Mon 8/2411:22 am
MCI
- EUG
2 stops11h 55m
United Airlines
Deal found 5/22![United Airlines logo]()
$393
This Southwest deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:15 am
PDX
- STL
2 stops10h 40m
Southwest
Wed 10/2810:15 am
STL
- PDX
2 stops10h 45m
Southwest
Deal found 5/25![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 5/22. 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.
Mon 10/51:43 pm
BOI
- SGF
1 stop7h 46m
Delta
Sun 10/113:30 pm
SGF
- BOI
1 stop8h 11m
Delta
Deal found 5/22![Delta logo]()
$379
This Orbitz deal was found by Cheapflights users on 5/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:03 pm
EUG
- MCI
1 stop18h 35m
Alaska Airlines
Mon 8/242:48 pm
MCI
- EUG
1 stop9h 53m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 5/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:43 pm
PDX
- SGF
1 stop8h 47m
American Airlines
Mon 6/227:30 pm
SGF
- PDX
1 stop7h 20m
American Airlines
Deal found 5/22![American Airlines logo]()
$602
This Southwest deal was found by Cheapflights users on 5/23. 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 7/34:25 pm
BOI
- MCI
2 stops7h 05m
Southwest
Mon 7/68:25 pm
MCI
- BOI
1 stop5h 50m
Southwest
Deal found 5/23![Southwest logo]()
$418
Last-minute flights from Oregon to MissouriDiscover last-minute flight deals from Oregon to Missouri. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Missouri. Data last updated May 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:05 am
PDX
- MCI
1 stop7h 38m
United Airlines
Tue 6/96:00 am
MCI
- PDX
1 stop5h 47m
United Airlines
Deal found 5/26![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 5/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:45 am
PDX
- MCI
1 stop6h 13m
Delta
Fri 6/125:37 pm
MCI
- PDX
1 stop7h 41m
Delta
Deal found 5/23![Delta logo]()
$353
This Southwest deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:40 pm
PDX
- STL
1 stop11h 30m
Southwest
Sat 6/135:35 pm
STL
- PDX
Nonstop4h 05m
Southwest
Deal found 5/21![Southwest logo]()
$344
This Booking.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/91:25 pm
BOI
- MCI
1 stop22h 35m
Frontier
Sat 6/131:45 pm
MCI
- BOI
1 stop23h 45m
Frontier
Deal found 5/25![Frontier logo]()
$321
This Southwest deal was found by Cheapflights users on 5/21. 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 6/97:50 am
PDX
- MCI
2 stops10h 45m
Southwest
Sat 6/137:20 pm
MCI
- PDX
1 stop6h 05m
Southwest
Deal found 5/21![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/115:00 pm
PDX
- MCI
1 stop6h 30m
Southwest
Sun 6/1412:35 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 5/25![Southwest logo]()
$343
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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.
Fri 6/123:30 pm
PDX
- STL
1 stop6h 27m
American Airlines
Sat 6/207:21 pm
STL
- PDX
1 stop7h 29m
American Airlines
Deal found 5/25![American Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/175:24 pm
PDX
- STL
1 stop5h 19m
Delta
Wed 7/87:55 pm
STL
- PDX
1 stop5h 49m
Delta
Deal found 5/25![Delta logo]()
$319
This CheapOair deal was found by Cheapflights users on 5/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:20 pm
PDX
- STL
1 stop24h 03m
Frontier
Tue 6/308:08 pm
STL
- PDX
1 stop22h 27m
Frontier
Deal found 5/23![Frontier logo]()
$320
This Southwest deal was found by Cheapflights users on 5/21. 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 6/233:00 pm
BOI
- MCI
1 stop6h 25m
Southwest
Tue 6/308:00 pm
MCI
- BOI
1 stop5h 30m
Southwest
Deal found 5/21![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/265:24 pm
PDX
- MCI
1 stop4h 54m
Delta
Fri 7/103:55 pm
MCI
- PDX
1 stop8h 18m
Delta
Deal found 5/25![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Fri 6/2611:40 pm
PDX
- STL
1 stop6h 53m
United Airlines
Mon 6/295:10 am
STL
- PDX
1 stop6h 37m
United Airlines
Deal found 5/22![United Airlines logo]()
$339
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 26, 2026.
Search for one-way flight options from Oregon to Missouri. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
This Mytrip deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/245:20 pm
PDX
- MCI
1 stop17h 40m
Frontier
Deal found 5/25![Frontier logo]()
$145
This Booking.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/175:20 pm
PDX
- MCI
1 stop17h 40m
Frontier
Deal found 5/25![Frontier logo]()
$147
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Fri 8/1410:49 am
PDX
- STL
Nonstop3h 48m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$150
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/173:00 pm
PDX
- STL
1 stop6h 22m
Delta
Deal found 5/21![Delta logo]()
$160
This Booking.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:22 pm
PDX
- MCI
1 stop20h 00m
Frontier
Deal found 5/25![Frontier logo]()
$161
This American Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/234:06 pm
BOI
- MCI
1 stop7h 19m
American Airlines
Deal found 5/25![American Airlines logo]()
$164
This American Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2510:59 pm
PDX
- MCI
1 stop7h 36m
American Airlines
Deal found 5/26![American Airlines logo]()
$165
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Wed 11/1812:40 pm
PDX
- STL
2 stops9h 54m
United Airlines
Deal found 5/22![United Airlines logo]()
$165
This Booking.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 8/236:19 pm
PDX
- MCI
1 stop16h 36m
Frontier
Deal found 5/25![Frontier logo]()
$167
This Southwest deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/109:20 pm
PDX
- MCI
2 stops12h 40m
Southwest
Deal found 5/25![Southwest logo]()
$170
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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 8/1810:49 am
PDX
- STL
Nonstop3h 48m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 6/112:38 pm
PDX
- STL
2 stops40h 14m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$171
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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $301 (Booking.com) |
One-way from | $145 (Mytrip) |
Popular in | March |
Cheapest in | November |
Average price | $427 |
Good round-trip deal | $397 or less |
Good one-way deal | $193 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 26, 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
Fri 11/6
3:10 pm-11:18 pm
1 stop6h 08m
Lambert-St Louis
Mon 11/9
7:55 pm-11:51 pm
1 stop5h 56m
$319
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Fri 8/14
4:07 pm-11:30 pm
1 stop5h 23m
Kansas City
Wed 8/19
5:13 pm-10:54 pm
1 stop7h 41m
$329
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Thu 8/20
6:20 am-2:50 pm
1 stop6h 30m
Kansas City
Sun 8/23
3:52 pm-10:12 pm
1 stop8h 20m
$329
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Tue 6/9
11:16 am-10:15 pm
1 stop8h 59m
Kansas City
Sat 6/13
5:24 pm-9:10 pm
1 stop5h 46m
$329
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Thu 11/19
10:15 am-5:22 pm
1 stop5h 07m
Kansas City
Tue 12/1
5:40 pm-11:47 pm
1 stop8h 07m
$329
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Tue 6/9
7:50 am-8:35 pm
2 stops10h 45m
Kansas City
Sat 6/13
7:20 pm-11:25 pm
1 stop6h 05m
$334
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Wed 7/29
7:50 am-8:40 pm
2 stops10h 50m
Kansas City
Tue 8/4
5:35 pm-9:55 pm
1 stop6h 20m
$334
PortlandSpringfield
PDX - SGF
PDXSGF
Portland
Tue 8/25
6:50 am-6:13 pm
1 stop9h 23m
Springfield-Branson
Mon 8/31
6:00 am-6:11 pm
2 stops14h 11m
$336
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Thu 7/2
5:00 pm-1:50 am
1 stop6h 50m
Lambert-St Louis
Tue 7/7
6:55 pm-11:55 pm
1 stop7h 00m
$348
EugeneSt. Louis
EUG - STL
EUGSTL
Eugene
Tue 10/20
1:49 pm-11:59 pm
1 stop8h 10m
Lambert-St Louis
Tue 10/27
7:00 am-1:12 pm
1 stop8h 12m
$357
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-MCI
RDM-STL
EUG-MCI
BOI-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-MCI
RDM-STL
EUG-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 May 26, 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 32 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 May 26, 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
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
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 26, 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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$369 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$297 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$178 | Average$430 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$196 | Average$427 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$199 | Average$500 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$409 | FlexibilityNo cancel fee | On-time71% |