$101+ Cheap flights from Missouri to Oregon
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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
May 11 — May 181
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to Oregon with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 Missouri to Oregon
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Cheapest flights from Missouri to OregonExplore the most affordable flight options available from Missouri to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.
Explore the most affordable flight options available from Missouri to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.
This CheapOair deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Thu 5/79:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Deal found 4/7![Frontier logo]()
$171
This Expedia deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:06 pm
STL
- PDX
1 stop16h 57m
Frontier
Sun 4/2611:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 4/6![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/232:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Tue 5/265:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Deal found 4/9![Frontier logo]()
$208
This Expedia deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Fri 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/7![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Mon 5/1812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Deal found 4/7![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/1412:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Sun 5/1712:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/8![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Thu 5/149:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Deal found 4/7![Frontier logo]()
$221
This Expedia deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Sun 5/311:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 4/10![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/312:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Tue 6/25:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Deal found 4/8![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:51 pm
MCI
- PDX
1 stop21h 29m
Frontier
Sat 5/212:27 pm
PDX
- MCI
1 stop23h 03m
Frontier
Deal found 4/5![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:34 pm
MCI
- PDX
2 stops23h 16m
Frontier
Tue 6/25:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Deal found 4/8![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 6/49:06 pm
STL
- PDX
1 stop15h 14m
Frontier
Mon 6/811:15 am
PDX
- STL
2 stops30h 08m
Frontier
Deal found 4/9![Frontier logo]()
$239
Best flights from Missouri to OregonDiscover carefully curated flight deals from Missouri to Oregon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2026.
Discover carefully curated flight deals from Missouri to Oregon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2026.
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:50 am
MCI
- PDX
1 stop5h 25m
Southwest
Sun 4/2611:55 pm
PDX
- MCI
1 stop7h 25m
Southwest
Deal found 4/6![Southwest logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:58 pm
MCI
- RDM
1 stop11h 00m
Alaska Airlines
Tue 5/121:52 pm
RDM
- MCI
1 stop8h 07m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 6/137:00 am
MCI
- PDX
1 stop6h 43m
Delta
Sat 6/2012:23 pm
PDX
- MCI
1 stop8h 46m
Delta
Deal found 4/9![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Fri 7/1711:40 pm
PDX
- STL
1 stop7h 01m
United Airlines
Deal found 4/7![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
MCI
- MFR
1 stop8h 50m
American Airlines
Wed 6/171:24 pm
MFR
- MCI
1 stop8h 35m
American Airlines
Deal found 4/6![American Airlines logo]()
$509
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:00 pm
STL
- PDX
1 stop8h 55m
Southwest
Wed 5/1311:55 pm
PDX
- STL
1 stop7h 10m
Southwest
Deal found 4/5![Southwest logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:46 pm
STL
- PDX
1 stop8h 07m
Alaska Airlines
Fri 5/81:52 pm
PDX
- STL
1 stop8h 07m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:06 pm
MCI
- PDX
1 stop9h 56m
Delta
Sat 6/63:30 pm
PDX
- MCI
1 stop5h 38m
Delta
Deal found 4/5![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:58 pm
MCI
- PDX
1 stop6h 36m
Alaska Airlines
Sat 5/910:45 am
PDX
- MCI
Nonstop3h 32m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:25 am
MCI
- PDX
1 stop9h 05m
Southwest
Tue 5/126:40 am
PDX
- MCI
1 stop4h 55m
Southwest
Deal found 4/6![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/297:40 pm
MCI
- PDX
1 stop6h 04m
Delta
Fri 6/53:30 pm
PDX
- MCI
1 stop5h 38m
Delta
Deal found 4/8![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/303:59 pm
MCI
- PDX
1 stop8h 43m
Delta
Wed 5/63:35 pm
PDX
- MCI
1 stop6h 09m
Delta
Deal found 4/5![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:55 pm
MCI
- PDX
2 stops8h 05m
Southwest
Mon 5/116:00 am
PDX
- MCI
2 stops14h 50m
Southwest
Deal found 4/7![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:30 am
STL
- BOI
1 stop6h 19m
United Airlines
Wed 4/292:37 pm
BOI
- STL
1 stop5h 17m
United Airlines
Deal found 4/5![United Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/125:11 pm
MCI
- EUG
1 stop7h 34m
Alaska Airlines
Tue 5/196:00 am
EUG
- MCI
1 stop5h 57m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/62:15 pm
MCI
- RDM
2 stops10h 51m
Delta
Tue 5/1212:15 pm
RDM
- MCI
2 stops9h 44m
Delta
Deal found 4/8![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:00 am
MCI
- MFR
2 stops10h 53m
United Airlines
Mon 4/2012:50 pm
MFR
- MCI
1 stop5h 44m
United Airlines
Deal found 4/6![United Airlines logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:46 pm
STL
- EUG
1 stop7h 08m
Alaska Airlines
Sat 5/21:23 pm
EUG
- STL
1 stop8h 36m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 am
STL
- EUG
1 stop9h 55m
Southwest
Sat 5/166:00 am
EUG
- STL
2 stops10h 10m
Southwest
Deal found 4/7![Southwest logo]()
$362
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/62:56 pm
MCI
- MFR
2 stops9h 11m
Delta
Mon 6/812:27 pm
MFR
- MCI
1 stop8h 42m
Delta
Deal found 4/7![Delta logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 6/45:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Mon 6/810:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/26:10 am
STL
- BOI
2 stops11h 05m
Southwest
Mon 5/44:20 pm
BOI
- STL
1 stop6h 30m
Southwest
Deal found 4/9![Southwest logo]()
$372
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 5/511:15 am
STL
- MFR
2 stops12h 16m
United Airlines
Sat 5/95:00 am
MFR
- STL
1 stop7h 28m
United Airlines
Deal found 4/10![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:06 am
MCI
- RDM
2 stops11h 55m
Delta
Sat 5/25:05 am
RDM
- MCI
1 stop6h 15m
Delta
Deal found 4/7![Delta logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Wed 5/2010:30 am
PDX
- STL
2 stops11h 24m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 6/166:55 pm
STL
- BOI
1 stop6h 30m
Southwest
Tue 6/234:05 pm
BOI
- STL
1 stop5h 05m
Southwest
Deal found 4/9![Southwest logo]()
$383
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 5/154:50 pm
SGF
- PDX
1 stop8h 09m
United Airlines
Wed 5/207:00 am
PDX
- SGF
1 stop7h 08m
United Airlines
Deal found 4/10![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/126:19 am
MCI
- EUG
2 stops8h 36m
Delta
Tue 5/196:15 am
EUG
- MCI
2 stops8h 41m
Delta
Deal found 4/8![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/125:11 pm
MCI
- EUG
1 stop7h 34m
Alaska Airlines
Mon 5/185:25 am
EUG
- MCI
1 stop9h 32m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$386
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:30 am
STL
- PDX
2 stops10h 20m
Southwest
Wed 5/1312:45 pm
PDX
- STL
2 stops8h 25m
Southwest
Deal found 4/5![Southwest logo]()
$394
Last-minute flights from Missouri to OregonDiscover last-minute flight deals from Missouri to Oregon. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Oregon. Data last updated April 11, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:06 pm
STL
- PDX
1 stop16h 57m
Frontier
Sun 4/2611:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 4/6![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:51 pm
MCI
- PDX
1 stop21h 29m
Frontier
Sat 5/212:27 pm
PDX
- MCI
1 stop23h 03m
Frontier
Deal found 4/5![Frontier logo]()
$229
This CheapOair deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Thu 5/79:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Deal found 4/7![Frontier logo]()
$171
This Expedia deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Sun 5/311:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 4/10![Frontier logo]()
$225
This Expedia deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Fri 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/7![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Thu 5/149:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Deal found 4/7![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Mon 5/1812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Deal found 4/7![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/1412:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Sun 5/1712:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/8![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” 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 5/232:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Tue 5/265:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Deal found 4/9![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:34 pm
MCI
- PDX
2 stops23h 16m
Frontier
Tue 6/25:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Deal found 4/8![Frontier logo]()
$233
This CheapOair deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:08 pm
STL
- PDX
1 stop22h 38m
Frontier
Mon 6/112:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/6![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/312:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Tue 6/25:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Deal found 4/8![Frontier logo]()
$227
One-way flights from Missouri to OregonSearch for one-way flight options from Missouri to Oregon. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
Search for one-way flight options from Missouri to Oregon. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 4/6![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:51 pm
MCI
- PDX
1 stop21h 29m
Frontier
Deal found 4/5![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Deal found 4/8![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/72:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 4/5![Frontier logo]()
$113
This CheapOair deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:51 pm
STL
- PDX
1 stop28h 00m
Frontier
Deal found 4/7![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:34 pm
MCI
- PDX
2 stops23h 16m
Frontier
Deal found 4/10![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:06 pm
STL
- PDX
1 stop16h 57m
Frontier
Deal found 4/7![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:34 pm
MCI
- PDX
2 stops23h 16m
Frontier
Deal found 4/7![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” 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 4/239:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 4/10![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:34 pm
MCI
- BOI
1 stop22h 53m
Frontier
Deal found 4/6![Frontier logo]()
$128
This Alaska Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 6/65:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:45 pm
MCI
- PDX
1 stop29h 12m
Frontier
Deal found 4/6![Frontier logo]()
$131
Find flight deals from Missouri to Oregon
Keep the following information in mind while searching for Missouri to Oregon flight deals. Data was last updated April 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (CheapOair) |
One-way from | $101 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $322 |
Good round-trip deal | $289 or less |
Good one-way deal | $144 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Oregon 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 11, 2026.
Use the filters below to find and compare flights from Missouri to Oregon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Sun 4/26
6:50 am-10:15 am
1 stop5h 25m
Portland
Sun 4/26
11:55 pm-9:20 am
1 stop7h 25m
$275
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Mon 5/11
6:00 pm-12:55 am
1 stop8h 55m
Portland
Wed 5/13
11:55 pm-9:05 am
1 stop7h 10m
$293
Kansas CityRedmond
MCI - RDM
MCIRDM
Kansas City
Wed 5/6
2:58 pm-11:58 pm
1 stop11h 00m
Bend/Redmond
Tue 5/12
1:52 pm-11:59 pm
1 stop8h 07m
$311
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Wed 5/6
4:46 pm-10:53 pm
1 stop8h 07m
Portland
Fri 5/8
1:52 pm-11:59 pm
1 stop8h 07m
$322
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Tue 5/5
2:58 pm-7:34 pm
1 stop6h 36m
Portland
Sat 5/9
10:45 am-4:17 pm
Nonstop3h 32m
$322
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Sat 6/13
7:00 am-11:43 am
1 stop6h 43m
Portland
Sat 6/20
12:23 pm-11:09 pm
1 stop8h 46m
$327
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Sat 5/30
2:06 pm-10:02 pm
1 stop9h 56m
Portland
Sat 6/6
3:30 pm-11:08 pm
1 stop5h 38m
$327
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Tue 5/5
5:25 am-12:30 pm
1 stop9h 05m
Portland
Tue 5/12
6:40 am-1:35 pm
1 stop4h 55m
$327
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Fri 5/29
7:40 pm-11:44 pm
1 stop6h 04m
Portland
Fri 6/5
3:30 pm-11:08 pm
1 stop5h 38m
$327
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Thu 4/30
3:59 pm-10:42 pm
1 stop8h 43m
Portland
Wed 5/6
3:35 pm-11:44 pm
1 stop6h 09m
$327
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Oregon
Have a flexible travel schedule? Discover the best time to fly to Oregon from Missouri with our price prediction graph.
STL-PDX
MCI-PDX
MCI-RDM
MCI-MFR
STL-BOI
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 Missouri to Oregon
USMO-USOR
STL-PDX
MCI-PDX
MCI-RDM
MCI-MFR
What is the cheapest month to book a flight from Missouri to Oregon?
Currently, August is the cheapest month in which you can book a flight from Missouri to Oregon (average of $107). Flying from Missouri to Oregon in July is currently the most expensive (average of $204). 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 MO to OR?
Find hourly flight availability from Missouri to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2026.
When flying from Missouri to Oregon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Missouri to Oregon?
Reviews of airlines servicing Oregon
Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated April 11, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Missouri to Oregon by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
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 Missouri to Oregon. 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.
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Alternative routes for Missouri to Oregon
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Oregon by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Oregon by cabin class
Find flights from Missouri to Oregon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Oregon flights
Browse other Missouri and Oregon flight options. Last updated on April 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Oregon
Find the right flight back to Missouri after your stay in Oregon
Missouri to Oregon flights
Consider these flights traveling from Missouri to Oregon.
Top 7 airlines flying from Missouri to Oregon
Discover the top 7 airlines that operate flights from Missouri to Oregon. 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$402 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$112 | Average$231 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$173 | Average$361 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$177 | Average$411 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$188 | Average$448 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$412 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$212 | Average$475 | FlexibilityNo cancel fee | On-time69% |