$92+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
May 17 — May 241
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 17, 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 17, 2026.
This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair 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
Thu 5/1412:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Deal found 4/16![Frontier logo]()
$216
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:15 am
PDX
- STL
1 stop6h 06m
Frontier
Thu 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 4/14![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 4/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:48 am
PDX
- STL
1 stop5h 33m
Frontier
Thu 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 4/13![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/295:31 pm
PDX
- STL
2 stops23h 52m
Frontier
Mon 6/18:08 pm
STL
- PDX
1 stop22h 53m
Frontier
Deal found 4/15![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 4/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:15 am
PDX
- STL
1 stop6h 06m
Frontier
Thu 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 4/15![Frontier logo]()
$235
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Sat 5/212:27 pm
PDX
- MCI
1 stop23h 03m
Frontier
Sat 5/92:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 4/14![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- MCI
1 stop23h 24m
Frontier
Wed 6/32:34 pm
MCI
- BOI
1 stop22h 56m
Frontier
Deal found 4/14![Frontier logo]()
$239
This CheapOair deal was found by Cheapflights users on 4/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Tue 6/98:08 pm
STL
- PDX
1 stop22h 27m
Frontier
Deal found 4/15![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Fri 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Wed 5/136:51 pm
STL
- PDX
1 stop28h 00m
Frontier
Deal found 4/13![Frontier logo]()
$245
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:58 am
PDX
- STL
1 stop5h 34m
Multiple Airlines
Wed 5/135:33 pm
STL
- PDX
Nonstop4h 17m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Sat 5/2310:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Wed 5/275:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$257
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:58 am
PDX
- STL
1 stop5h 34m
Frontier
Wed 5/136:51 pm
STL
- PDX
1 stop28h 00m
Frontier
Deal found 4/13![Frontier logo]()
$261
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 17, 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 17, 2026.
This Delta deal was found by Cheapflights users on 4/13. 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.
Sun 5/2411:12 pm
PDX
- STL
1 stop8h 17m
Delta
Wed 6/36:21 am
STL
- PDX
1 stop6h 32m
Delta
Deal found 4/13![Delta logo]()
$293
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/92:41 pm
PDX
- STL
1 stop6h 38m
United Airlines
Fri 5/155:59 pm
STL
- PDX
1 stop6h 55m
United Airlines
Deal found 4/14![United Airlines logo]()
$298
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/2110:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Tue 5/265:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 4/14. 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 6/109:20 pm
PDX
- MCI
2 stops12h 40m
Southwest
Sun 6/141:55 pm
MCI
- PDX
1 stop6h 55m
Southwest
Deal found 4/14![Southwest logo]()
$333
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:59 pm
PDX
- SGF
1 stop9h 01m
American Airlines
Sun 6/76:43 pm
SGF
- PDX
1 stop8h 07m
American Airlines
Deal found 4/16![American Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Thu 5/282:12 pm
PDX
- SGF
1 stop8h 33m
United Airlines
Sat 6/65:50 am
SGF
- PDX
1 stop5h 57m
United Airlines
Deal found 4/15![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 4/13. 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 5/116:41 pm
BOI
- MCI
1 stop4h 44m
Delta
Wed 5/137:40 pm
MCI
- BOI
1 stop5h 24m
Delta
Deal found 4/13![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 4/16. 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.
Fri 10/99:35 pm
PDX
- MCI
2 stops14h 50m
Southwest
Sun 10/115:30 am
MCI
- PDX
1 stop7h 15m
Southwest
Deal found 4/16![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 4/13. 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.
Sat 5/232:23 pm
BOI
- MCI
1 stop7h 53m
Delta
Wed 5/275:45 pm
MCI
- BOI
1 stop7h 01m
Delta
Deal found 4/13![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 5/2711:05 am
PDX
- MCI
1 stop7h 38m
United Airlines
Wed 6/107:10 pm
MCI
- PDX
1 stop5h 43m
United Airlines
Deal found 4/15![United Airlines logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 6/21:45 pm
EUG
- STL
1 stop8h 09m
Alaska Airlines
Sat 6/65:33 pm
STL
- EUG
1 stop7h 17m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 4/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:15 am
PDX
- MCI
1 stop9h 08m
United Airlines
Sat 5/28:49 am
MCI
- PDX
1 stop6h 26m
United Airlines
Deal found 4/12![United Airlines logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 5/56:00 am
EUG
- MCI
1 stop6h 04m
Alaska Airlines
Wed 5/67:00 am
MCI
- EUG
1 stop7h 46m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 4/15. 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 5/221:35 pm
PDX
- MCI
1 stop7h 41m
Delta
Tue 5/264:09 pm
MCI
- PDX
1 stop8h 52m
Delta
Deal found 4/15![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 4/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:55 pm
PDX
- MCI
2 stops8h 35m
Southwest
Wed 7/158:00 pm
MCI
- PDX
1 stop6h 05m
Southwest
Deal found 4/15![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 4/15. 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.
Wed 6/1012:23 pm
PDX
- MCI
1 stop8h 46m
Delta
Tue 6/167:26 am
MCI
- PDX
1 stop6h 59m
Delta
Deal found 4/15![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:55 pm
PDX
- MCI
1 stop7h 01m
United Airlines
Sun 5/36:00 am
MCI
- PDX
1 stop5h 38m
United Airlines
Deal found 4/16![United Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 6/210:18 am
EUG
- MCI
1 stop6h 43m
Alaska Airlines
Wed 6/35:52 pm
MCI
- EUG
1 stop6h 58m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 4/16. 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.
Sat 5/166:00 am
EUG
- STL
2 stops10h 10m
Southwest
Sat 5/237:00 am
STL
- EUG
1 stop9h 55m
Southwest
Deal found 4/16![Southwest logo]()
$391
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:35 pm
PDX
- MCI
1 stop8h 24m
Delta
Fri 5/157:26 am
MCI
- PDX
1 stop7h 10m
Delta
Deal found 4/16![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 5/2310:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Mon 5/255:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/111:45 pm
PDX
- SGF
1 stop6h 54m
American Airlines
Mon 6/157:30 pm
SGF
- PDX
1 stop7h 20m
American Airlines
Deal found 4/16![American Airlines logo]()
$517
This Southwest deal was found by Cheapflights users on 4/13. 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.
Sun 5/244:50 pm
BOI
- MCI
1 stop6h 20m
Southwest
Thu 5/285:55 pm
MCI
- BOI
2 stops8h 05m
Southwest
Deal found 4/13![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 4/13. 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.
Tue 5/125:15 am
MFR
- MCI
1 stop6h 43m
Delta
Thu 5/147:05 am
MCI
- MFR
1 stop7h 55m
Delta
Deal found 4/13![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Mon 5/1111:55 pm
PDX
- STL
1 stop6h 44m
United Airlines
Mon 5/187:09 pm
STL
- PDX
1 stop6h 46m
United Airlines
Deal found 4/13![United Airlines logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Sat 5/236:00 am
RDM
- STL
1 stop7h 16m
Alaska Airlines
Wed 5/275:33 pm
STL
- RDM
1 stop7h 13m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 4/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:40 am
BOI
- STL
1 stop6h 10m
Southwest
Sat 6/64:45 pm
STL
- BOI
2 stops8h 10m
Southwest
Deal found 4/15![Southwest logo]()
$406
This Delta deal was found by Cheapflights users on 4/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:10 am
EUG
- STL
1 stop6h 22m
Delta
Sat 6/67:00 am
STL
- EUG
1 stop6h 46m
Delta
Deal found 4/12![Delta logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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.
Fri 5/224:00 pm
EUG
- STL
2 stops21h 16m
Alaska Airlines
Tue 5/265:33 pm
STL
- EUG
1 stop7h 17m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:46 pm
BOI
- MCI
1 stop4h 39m
United Airlines
Wed 6/36:00 am
MCI
- BOI
1 stop4h 45m
United Airlines
Deal found 4/16![United Airlines logo]()
$397
Last-minute flights from Oregon to MissouriDiscover last-minute flight deals from Oregon to Missouri. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Missouri. Data last updated April 17, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:15 am
PDX
- STL
1 stop6h 06m
Frontier
Thu 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 4/15![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 4/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:48 am
PDX
- STL
1 stop5h 33m
Frontier
Thu 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 4/13![Frontier logo]()
$226
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:15 am
PDX
- STL
1 stop6h 06m
Frontier
Thu 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 4/14![Frontier logo]()
$225
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Sat 5/212:27 pm
PDX
- MCI
1 stop23h 03m
Frontier
Sat 5/92:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 4/14![Frontier logo]()
$236
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:58 am
PDX
- STL
1 stop5h 34m
Multiple Airlines
Wed 5/135:33 pm
STL
- PDX
Nonstop4h 17m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$254
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:58 am
PDX
- STL
1 stop5h 34m
Frontier
Wed 5/136:51 pm
STL
- PDX
1 stop28h 00m
Frontier
Deal found 4/13![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Fri 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Wed 5/136:51 pm
STL
- PDX
1 stop28h 00m
Frontier
Deal found 4/13![Frontier logo]()
$245
This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair 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
Thu 5/1412:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Deal found 4/16![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Thu 5/219:06 pm
STL
- PDX
1 stop15h 14m
Frontier
Deal found 4/16![Frontier logo]()
$241
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Sat 5/2310:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Wed 5/275:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:25 pm
BOI
- MCI
1 stop23h 24m
Frontier
Wed 6/32:34 pm
MCI
- BOI
1 stop22h 56m
Frontier
Deal found 4/14![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/295:31 pm
PDX
- STL
2 stops23h 52m
Frontier
Mon 6/18:08 pm
STL
- PDX
1 stop22h 53m
Frontier
Deal found 4/15![Frontier logo]()
$230
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 17, 2026.
Search for one-way flight options from Oregon to Missouri. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair 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 4/13![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/12. 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.
Fri 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/12![Frontier logo]()
$101
This Priceline deal was found by Cheapflights users on 4/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2411:15 am
PDX
- STL
1 stop6h 56m
Frontier
Deal found 4/12![Frontier logo]()
$105
This Trip.com deal was found by Cheapflights users on 4/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:38 pm
PDX
- STL
1 stop28h 43m
Frontier
Deal found 4/13![Frontier logo]()
$109
This Expedia deal was found by Cheapflights users on 4/12. 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.
Mon 6/811:15 am
PDX
- STL
1 stop27h 50m
Frontier
Deal found 4/12![Frontier logo]()
$111
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Sat 5/212:27 pm
PDX
- MCI
1 stop23h 03m
Frontier
Deal found 4/14![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Deal found 4/15![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:46 pm
PDX
- STL
2 stops19h 37m
Frontier
Deal found 4/14![Frontier logo]()
$116
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair 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 4/13![Frontier logo]()
$117
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/13![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:46 pm
PDX
- STL
2 stops20h 37m
Frontier
Deal found 4/14![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/242:44 pm
PDX
- STL
2 stops48h 49m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$119
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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $216 (CheapOair) |
One-way from | $92 (CheapOair) |
Popular in | March |
Cheapest in | November |
Average price | $414 |
Good round-trip deal | $289 or less |
Good one-way deal | $164 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 17, 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
Sun 5/24
11:12 pm-9:29 am
1 stop8h 17m
Lambert-St Louis
Wed 6/3
6:21 am-10:53 am
1 stop6h 32m
$293
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Sat 5/9
2:41 pm-11:19 pm
1 stop6h 38m
Lambert-St Louis
Fri 5/15
5:59 pm-10:54 pm
1 stop6h 55m
$298
PortlandSpringfield
PDX - SGF
PDXSGF
Portland
Thu 5/28
2:12 pm-12:45 am
1 stop8h 33m
Springfield-Branson
Sat 6/6
5:50 am-9:47 am
1 stop5h 57m
$313
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Mon 5/11
6:41 pm-12:25 am
1 stop4h 44m
Kansas City
Wed 5/13
7:40 pm-12:04 am
1 stop5h 24m
$319
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Sat 5/23
2:23 pm-11:16 pm
1 stop7h 53m
Kansas City
Wed 5/27
5:45 pm-11:46 pm
1 stop7h 01m
$319
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Wed 5/27
11:05 am-8:43 pm
1 stop7h 38m
Kansas City
Wed 6/10
7:10 pm-10:53 pm
1 stop5h 43m
$322
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Tue 4/28
7:15 am-6:23 pm
1 stop9h 08m
Kansas City
Sat 5/2
8:49 am-1:15 pm
1 stop6h 26m
$324
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Fri 5/22
1:35 pm-11:16 pm
1 stop7h 41m
Kansas City
Tue 5/26
4:09 pm-11:01 pm
1 stop8h 52m
$327
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Wed 6/10
12:23 pm-11:09 pm
1 stop8h 46m
Kansas City
Tue 6/16
7:26 am-12:25 pm
1 stop6h 59m
$327
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Wed 5/13
1:35 pm-11:59 pm
1 stop8h 24m
Kansas City
Fri 5/15
7:26 am-12:36 pm
1 stop7h 10m
$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
PDX-SGF
BOI-MCI
EUG-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Oregon to Missouri
USOR-USMO
PDX-STL
PDX-MCI
PDX-SGF
BOI-MCI
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 17, 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 17, 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.
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
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 17, 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$180 | Average$435 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$307 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$196 | Average$417 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$199 | Average$493 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$226 | Average$419 | FlexibilityNo cancel fee | On-time71% |