$82+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
May 29 — Jun 51
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Oregon to Missouri
Cheapest
Best
Last-minute
One-way
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 April 29, 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 April 29, 2026.
This CheapOair deal was found by Cheapflights users on 4/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Wed 5/206:51 pm
STL
- PDX
1 stop17h 29m
Frontier
Deal found 4/26![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/318:08 pm
STL
- PDX
1 stop22h 38m
Frontier
Deal found 4/28![Frontier logo]()
$241
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:15 am
PDX
- STL
1 stop6h 56m
Multiple Airlines
Sat 6/65:33 pm
STL
- PDX
Nonstop4h 17m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/2512:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Fri 5/292:34 pm
MCI
- PDX
2 stops23h 16m
Frontier
Deal found 4/28![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/2812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Fri 6/52:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 4/27![Frontier logo]()
$256
This CheapOair deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:48 am
PDX
- STL
1 stop5h 33m
Frontier
Sat 5/28:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 4/24![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/55:31 pm
PDX
- MCI
2 stops18h 18m
Frontier
Tue 6/91:45 pm
MCI
- PDX
1 stop28h 50m
Frontier
Deal found 4/27![Frontier logo]()
$264
This Expedia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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
Sat 6/65:33 pm
STL
- PDX
Nonstop4h 17m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$270
This Expedia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
Fri 5/2912:35 pm
PDX
- STL
1 stop28h 48m
Multiple Airlines
Fri 6/55:33 pm
STL
- PDX
Nonstop4h 17m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$275
This CheapOair deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 4/28![Alaska Airlines logo]()
$277
This CheapOair deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/196:19 pm
PDX
- STL
1 stop17h 47m
Frontier
Mon 6/298:08 pm
STL
- PDX
1 stop22h 27m
Frontier
Deal found 4/28![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Sat 5/302:34 pm
MCI
- PDX
2 stops23h 16m
Frontier
Deal found 4/26![Frontier logo]()
$282
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 April 29, 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 April 29, 2026.
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/272:27 pm
PDX
- STL
1 stop6h 25m
United Airlines
Wed 6/35:41 pm
STL
- PDX
1 stop8h 12m
United Airlines
Deal found 4/28![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:24 pm
PDX
- STL
1 stop5h 19m
Delta
Sat 6/208:00 am
STL
- PDX
1 stop6h 10m
Delta
Deal found 4/26![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 4/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:10 am
PDX
- MCI
1 stop6h 45m
Southwest
Fri 7/178:15 pm
MCI
- PDX
1 stop6h 15m
Southwest
Deal found 4/24![Southwest logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/215:00 am
PDX
- STL
1 stop8h 16m
Alaska Airlines
Wed 5/275:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:43 pm
PDX
- SGF
1 stop8h 47m
American Airlines
Sun 6/76:43 pm
SGF
- PDX
1 stop8h 07m
American Airlines
Deal found 4/28![American Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/281:35 pm
PDX
- STL
1 stop7h 46m
Delta
Wed 6/37:59 pm
STL
- PDX
1 stop5h 45m
Delta
Deal found 4/28![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/231:22 pm
RDM
- MCI
1 stop8h 03m
United Airlines
Sat 5/304:26 pm
MCI
- RDM
1 stop8h 09m
United Airlines
Deal found 4/23![United Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 4/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:30 pm
PDX
- MCI
1 stop6h 15m
Southwest
Tue 8/183:35 pm
MCI
- PDX
1 stop9h 35m
Southwest
Deal found 4/26![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 4/25. 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 8/1212:30 pm
RDM
- MCI
1 stop8h 33m
Delta
Sat 8/157:40 pm
MCI
- RDM
1 stop5h 52m
Delta
Deal found 4/25![Delta logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:20 am
BOI
- MCI
1 stop6h 32m
Alaska Airlines
Wed 9/22:46 pm
MCI
- BOI
1 stop6h 12m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 4/23. 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.
Tue 7/215:51 am
RDM
- MCI
1 stop6h 06m
Delta
Tue 7/282:56 pm
MCI
- RDM
2 stops10h 03m
Delta
Deal found 4/23![Delta logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 8/119:13 am
BOI
- MCI
1 stop6h 40m
Alaska Airlines
Wed 8/126:02 am
MCI
- BOI
1 stop7h 45m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 4/25. 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.
Mon 6/13:00 pm
PDX
- STL
1 stop7h 15m
Southwest
Sat 6/61:50 pm
STL
- PDX
2 stops9h 45m
Southwest
Deal found 4/25![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/912:33 pm
EUG
- STL
1 stop6h 43m
United Airlines
Tue 6/165:10 am
STL
- EUG
2 stops8h 51m
United Airlines
Deal found 4/28![United Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/305:25 am
EUG
- STL
1 stop9h 12m
Alaska Airlines
Sat 6/67:41 pm
STL
- EUG
1 stop16h 00m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/123:26 pm
PDX
- MCI
1 stop5h 40m
Delta
Mon 6/156:23 am
MCI
- PDX
1 stop6h 16m
Delta
Deal found 4/28![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/245:30 am
BOI
- MCI
1 stop6h 00m
Southwest
Fri 6/269:15 pm
MCI
- BOI
1 stop5h 30m
Southwest
Deal found 4/27![Southwest logo]()
$377
This Delta deal was found by Cheapflights users on 4/24. 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 9/103:50 pm
PDX
- MCI
1 stop5h 13m
Delta
Sun 9/136:30 am
MCI
- PDX
1 stop8h 24m
Delta
Deal found 4/24![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 9/12:44 pm
BOI
- MCI
2 stops9h 04m
United Airlines
Wed 9/23:30 pm
MCI
- BOI
1 stop9h 20m
United Airlines
Deal found 4/25![United Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 4/25. 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 7/299:20 pm
PDX
- MCI
2 stops12h 40m
Southwest
Sat 8/111:35 am
MCI
- PDX
2 stops13h 50m
Southwest
Deal found 4/25![Southwest logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 9/16:20 am
BOI
- STL
1 stop6h 44m
Alaska Airlines
Wed 9/25:59 pm
STL
- BOI
1 stop6h 56m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/155:05 pm
PDX
- MCI
1 stop5h 20m
Delta
Sat 5/167:05 am
MCI
- PDX
1 stop6h 34m
Delta
Deal found 4/28![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 5/2312:38 pm
EUG
- STL
1 stop6h 45m
United Airlines
Tue 5/266:00 am
STL
- EUG
1 stop7h 37m
United Airlines
Deal found 4/24![United Airlines logo]()
$410
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/303:20 pm
PDX
- STL
1 stop6h 20m
Southwest
Fri 7/33:20 pm
STL
- PDX
2 stops8h 45m
Southwest
Deal found 4/28![Southwest logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:30 am
PDX
- MCI
Nonstop3h 27m
Alaska Airlines
Sat 6/65:52 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/285:20 am
BOI
- MCI
1 stop5h 15m
Delta
Mon 6/15:45 pm
MCI
- BOI
1 stop7h 01m
Delta
Deal found 4/27![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 9/268:30 am
PDX
- SGF
1 stop6h 49m
United Airlines
Tue 9/295:30 am
SGF
- PDX
2 stops8h 25m
United Airlines
Deal found 4/24![United Airlines logo]()
$413
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/272:35 pm
PDX
- STL
1 stop6h 40m
Southwest
Wed 6/35:30 am
STL
- PDX
2 stops10h 20m
Southwest
Deal found 4/28![Southwest logo]()
$389
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:30 pm
RDM
- MCI
1 stop8h 33m
Delta
Mon 8/314:00 pm
MCI
- RDM
2 stops9h 32m
Delta
Deal found 4/28![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 5/238:35 am
PDX
- MCI
2 stops12h 50m
United Airlines
Wed 5/275:00 pm
MCI
- PDX
1 stop7h 29m
United Airlines
Deal found 4/24![United Airlines logo]()
$418
Last-minute flights from Oregon to MissouriDiscover last-minute flight deals from Oregon to Missouri. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Missouri. Data last updated April 29, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:48 am
PDX
- STL
1 stop5h 33m
Frontier
Sat 5/28:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 4/24![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 4/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Wed 5/206:51 pm
STL
- PDX
1 stop17h 29m
Frontier
Deal found 4/26![Frontier logo]()
$221
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 5/2210:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Fri 5/295:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$289
This CheapOair deal was found by Cheapflights users on 4/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Sat 5/305:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Sat 5/302:34 pm
MCI
- PDX
2 stops23h 16m
Frontier
Deal found 4/26![Frontier logo]()
$282
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:00 am
PDX
- STL
1 stop8h 16m
Alaska Airlines
Wed 5/275:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/2512:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Fri 5/292:34 pm
MCI
- PDX
2 stops23h 16m
Frontier
Deal found 4/28![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/318:08 pm
STL
- PDX
1 stop22h 38m
Frontier
Deal found 4/28![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/2812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Fri 6/52:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 4/27![Frontier logo]()
$256
This CheapOair deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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
Mon 6/18:08 pm
STL
- PDX
1 stop22h 53m
Frontier
Deal found 4/27![Frontier logo]()
$281
This Expedia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
Fri 5/2912:35 pm
PDX
- STL
1 stop28h 48m
Multiple Airlines
Fri 6/55:33 pm
STL
- PDX
Nonstop4h 17m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/2910:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Sat 5/305:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$283
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 April 29, 2026.
Search for one-way flight options from Oregon to Missouri. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/265:46 pm
PDX
- STL
1 stop23h 37m
Frontier
Deal found 4/28![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/265:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Deal found 4/27![Frontier logo]()
$89
This CheapOair deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:46 pm
PDX
- STL
1 stop19h 20m
Frontier
Deal found 4/24![Frontier logo]()
$92
This Trip.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
Mon 5/118:46 pm
PDX
- STL
1 stop19h 20m
Frontier
Deal found 4/27![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/812:35 pm
PDX
- MCI
1 stop22h 25m
Frontier
Deal found 4/27![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/25:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Deal found 4/27![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2412:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Deal found 4/27![Frontier logo]()
$113
This Trip.com deal was found by Cheapflights users on 4/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Deal found 4/24![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 4/27![Multiple Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:25 pm
BOI
- STL
2 stops27h 53m
Frontier
Deal found 4/24![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Deal found 4/25![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 7/215:16 pm
PDX
- MCI
1 stop17h 39m
Frontier
Deal found 4/27![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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $221 (CheapOair) |
One-way from | $82 (Kiwi.com) |
Popular in | March |
Cheapest in | November |
Average price | $425 |
Good round-trip deal | $309 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 April 29, 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
Wed 5/27
2:27 pm-10:52 pm
1 stop6h 25m
Lambert-St Louis
Wed 6/3
5:41 pm-11:53 pm
1 stop8h 12m
$309
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Fri 6/12
5:24 pm-12:43 am
1 stop5h 19m
Lambert-St Louis
Sat 6/20
8:00 am-12:10 pm
1 stop6h 10m
$309
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Thu 5/28
1:35 pm-11:21 pm
1 stop7h 46m
Lambert-St Louis
Wed 6/3
7:59 pm-11:44 pm
1 stop5h 45m
$309
RedmondKansas City
RDM - MCI
RDMMCI
Bend/Redmond
Sat 5/23
1:22 pm-11:25 pm
1 stop8h 03m
Kansas City
Sat 5/30
4:26 pm-10:35 pm
1 stop8h 09m
$311
RedmondKansas City
RDM - MCI
RDMMCI
Bend/Redmond
Wed 8/12
12:30 pm-11:03 pm
1 stop8h 33m
Kansas City
Sat 8/15
7:40 pm-11:32 pm
1 stop5h 52m
$311
RedmondKansas City
RDM - MCI
RDMMCI
Bend/Redmond
Tue 7/21
5:51 am-1:57 pm
1 stop6h 06m
Kansas City
Tue 7/28
2:56 pm-10:59 pm
2 stops10h 03m
$316
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Wed 7/15
5:10 am-1:55 pm
1 stop6h 45m
Kansas City
Fri 7/17
8:15 pm-12:30 am
1 stop6h 15m
$327
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Thu 8/6
11:30 pm-7:45 am
1 stop6h 15m
Kansas City
Tue 8/18
3:35 pm-11:10 pm
1 stop9h 35m
$327
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Fri 6/12
3:26 pm-11:06 pm
1 stop5h 40m
Kansas City
Mon 6/15
6:23 am-10:39 am
1 stop6h 16m
$327
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Thu 9/10
3:50 pm-11:03 pm
1 stop5h 13m
Kansas City
Sun 9/13
6:30 am-12:54 pm
1 stop8h 24m
$327
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
PDX-MCI
BOI-STL
BOI-MCI
RDM-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-STL
PDX-MCI
BOI-STL
BOI-MCI
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 April 29, 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?
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 April 29, 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.
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 April 29, 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 April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$96 | Average$253 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$181 | Average$423 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$307 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$196 | Average$422 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$199 | Average$496 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$413 | FlexibilityNo cancel fee | On-time71% |