$76+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Apr 11 — Apr 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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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 March 12, 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 March 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/188:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Sat 4/2512:27 pm
PDX
- STL
1 stop28h 54m
Frontier
Deal found 3/7![Frontier logo]()
$184
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:25 am
MCI
- PDX
2 stops12h 20m
Southwest
Tue 5/127:00 am
PDX
- MCI
2 stops10h 05m
Southwest
Deal found 3/11![Southwest logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/182:51 pm
MCI
- PDX
1 stop21h 29m
Frontier
Sat 4/2512:27 pm
PDX
- MCI
2 stops20h 31m
Frontier
Deal found 3/7![Frontier logo]()
$193
This CheapOair deal was found by Cheapflights users on 3/6. 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.
Fri 4/178:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Mon 4/2011:48 am
PDX
- STL
1 stop5h 44m
Frontier
Deal found 3/6![Frontier logo]()
$201
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:10 am
MCI
- PDX
1 stop6h 35m
Southwest
Sat 4/2511:55 pm
PDX
- MCI
1 stop6h 05m
Southwest
Deal found 3/11![Southwest logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- PDX
1 stop23h 37m
Frontier
Sat 5/212:27 pm
PDX
- MCI
1 stop23h 03m
Frontier
Deal found 3/11![Frontier logo]()
$211
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:30 pm
STL
- PDX
1 stop8h 26m
American Airlines
Tue 4/218:00 am
PDX
- STL
1 stop6h 41m
American Airlines
Deal found 3/9![American Airlines logo]()
$217
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:11 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Sat 5/1611:30 am
PDX
- MCI
Nonstop3h 27m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$217
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:08 pm
STL
- PDX
1 stop17h 05m
Frontier
Mon 6/110:04 pm
PDX
- STL
1 stop17h 41m
Frontier
Deal found 3/9![Frontier logo]()
$222
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:15 pm
MCI
- PDX
1 stop22h 48m
Frontier
Wed 5/61:48 pm
PDX
- MCI
1 stop21h 42m
Frontier
Deal found 3/9![Frontier logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Sat 5/165:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Sun 5/2410:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Mon 5/42:15 pm
MCI
- PDX
1 stop24h 47m
Frontier
Sat 5/912:27 pm
PDX
- MCI
1 stop23h 03m
Frontier
Deal found 3/10![Frontier logo]()
$225
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 March 12, 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 March 12, 2026.
This Delta deal was found by Cheapflights users on 3/7. 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 4/117:55 am
MCI
- BOI
1 stop6h 10m
Delta
Sat 4/181:52 pm
BOI
- MCI
1 stop8h 51m
Delta
Deal found 3/7![Delta logo]()
$227
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Fri 4/107:45 am
STL
- PDX
1 stop9h 24m
United Airlines
Tue 4/1411:59 pm
PDX
- STL
1 stop6h 26m
United Airlines
Deal found 3/6![United Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:11 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Sat 5/210:45 am
PDX
- MCI
Nonstop3h 32m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:30 pm
STL
- PDX
1 stop7h 25m
Southwest
Mon 6/811:30 pm
PDX
- STL
1 stop8h 05m
Southwest
Deal found 3/8![Southwest logo]()
$269
This American Airlines deal was found by Cheapflights users on 3/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:51 am
STL
- BOI
1 stop7h 58m
American Airlines
Tue 4/141:29 pm
BOI
- STL
1 stop7h 50m
American Airlines
Deal found 3/7![American Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:40 am
MCI
- PDX
1 stop7h 37m
Delta
Sat 4/255:45 am
PDX
- MCI
1 stop5h 35m
Delta
Deal found 3/11![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:50 pm
MCI
- PDX
Nonstop3h 51m
Alaska Airlines
Sat 4/2510:45 am
PDX
- MCI
Nonstop3h 32m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 3/7. 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.
Tue 4/146:30 pm
MCI
- EUG
1 stop5h 30m
Southwest
Tue 4/2111:20 am
EUG
- MCI
1 stop5h 40m
Southwest
Deal found 3/7![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:54 pm
MCI
- PDX
2 stops8h 54m
United Airlines
Sun 4/2610:56 pm
PDX
- MCI
1 stop7h 56m
United Airlines
Deal found 3/11![United Airlines logo]()
$278
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:45 pm
STL
- PDX
1 stop7h 08m
Delta
Mon 4/2711:15 pm
PDX
- STL
1 stop8h 27m
Delta
Deal found 3/6![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:25 pm
MCI
- EUG
1 stop7h 35m
Southwest
Tue 4/1411:20 am
EUG
- MCI
1 stop8h 10m
Southwest
Deal found 3/10![Southwest logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 4/145:50 pm
MCI
- RDM
1 stop6h 38m
Alaska Airlines
Sat 4/185:50 am
RDM
- MCI
1 stop5h 39m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:15 am
MCI
- PDX
1 stop8h 28m
United Airlines
Sun 5/105:00 am
PDX
- MCI
1 stop5h 43m
United Airlines
Deal found 3/8![United Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 3/7. 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.
Wed 5/66:40 am
MCI
- EUG
2 stops12h 24m
Delta
Sat 5/96:15 am
EUG
- MCI
2 stops8h 35m
Delta
Deal found 3/7![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 3/7. 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 4/226:35 am
STL
- BOI
2 stops7h 45m
Southwest
Wed 4/296:40 am
BOI
- STL
1 stop6h 10m
Southwest
Deal found 3/7![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/711:30 am
MCI
- EUG
2 stops11h 37m
United Airlines
Sat 4/116:00 am
EUG
- MCI
2 stops8h 12m
United Airlines
Deal found 3/10![United Airlines logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:15 am
MCI
- MFR
1 stop8h 30m
Alaska Airlines
Sat 4/185:45 am
MFR
- MCI
1 stop5h 44m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 3/7. 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.
Tue 4/147:59 pm
MCI
- MFR
1 stop5h 53m
Delta
Mon 4/2011:14 am
MFR
- MCI
2 stops10h 43m
Delta
Deal found 3/7![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:25 pm
MCI
- EUG
2 stops8h 40m
Southwest
Sat 5/166:00 am
EUG
- MCI
2 stops9h 25m
Southwest
Deal found 3/11![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:00 am
MCI
- PDX
1 stop5h 47m
United Airlines
Fri 7/3111:40 pm
PDX
- MCI
1 stop8h 49m
United Airlines
Deal found 3/8![United Airlines logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 4/77:00 am
STL
- BOI
1 stop9h 29m
Alaska Airlines
Wed 4/82:22 pm
BOI
- STL
1 stop8h 37m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 3/7. 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.
Wed 5/67:59 pm
MCI
- RDM
1 stop5h 48m
Delta
Tue 5/1212:20 pm
RDM
- MCI
2 stops9h 39m
Delta
Deal found 3/7![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/163:55 pm
STL
- PDX
1 stop8h 05m
Southwest
Fri 5/2211:55 pm
PDX
- STL
1 stop8h 35m
Southwest
Deal found 3/8![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Mon 7/276:00 am
MCI
- PDX
1 stop5h 47m
United Airlines
Fri 7/3111:40 pm
PDX
- MCI
1 stop8h 49m
United Airlines
Deal found 3/7![United Airlines logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:15 am
MCI
- BOI
1 stop8h 43m
Alaska Airlines
Sat 4/182:22 pm
BOI
- MCI
1 stop8h 37m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:20 pm
STL
- PDX
1 stop5h 48m
Delta
Mon 4/207:32 pm
PDX
- STL
2 stops12h 10m
Delta
Deal found 3/6![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 3/7. 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 6/67:20 pm
MCI
- PDX
1 stop6h 05m
Southwest
Wed 6/109:20 pm
PDX
- MCI
2 stops12h 40m
Southwest
Deal found 3/7![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Wed 5/65:59 pm
STL
- PDX
1 stop6h 55m
United Airlines
Sat 5/911:55 pm
PDX
- STL
1 stop8h 53m
United Airlines
Deal found 3/10![United Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
STL
- MFR
1 stop7h 45m
Alaska Airlines
Sat 4/185:45 am
MFR
- STL
1 stop16h 14m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$326
This Southwest deal was found by Cheapflights users on 3/7. 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.
Mon 3/235:00 am
MCI
- PDX
1 stop6h 45m
Southwest
Fri 3/271:30 pm
PDX
- MCI
2 stops9h 30m
Southwest
Deal found 3/7![Southwest logo]()
$306
Last-minute flights from Missouri to OregonDiscover last-minute flight deals from Missouri to Oregon. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Oregon. Data last updated March 12, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:50 pm
MCI
- PDX
Nonstop3h 51m
Alaska Airlines
Wed 4/1511:30 am
PDX
- MCI
Nonstop3h 26m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 3/9. 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 4/117:55 am
MCI
- BOI
1 stop6h 10m
Delta
Sat 4/181:52 pm
BOI
- MCI
1 stop8h 51m
Delta
Deal found 3/9![Delta logo]()
$227
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:30 pm
STL
- PDX
1 stop8h 26m
American Airlines
Tue 4/218:00 am
PDX
- STL
1 stop6h 41m
American Airlines
Deal found 3/9![American Airlines logo]()
$217
This CheapOair deal was found by Cheapflights users on 3/6. 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.
Fri 4/178:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Mon 4/2011:48 am
PDX
- STL
1 stop5h 44m
Frontier
Deal found 3/6![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Fri 4/178:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Tue 4/2112:38 pm
PDX
- STL
2 stops32h 41m
Frontier
Deal found 3/10![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/188:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Sat 4/2512:27 pm
PDX
- STL
1 stop28h 54m
Frontier
Deal found 3/7![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/182:51 pm
MCI
- PDX
1 stop21h 29m
Frontier
Sat 4/2512:27 pm
PDX
- MCI
2 stops20h 31m
Frontier
Deal found 3/7![Frontier logo]()
$193
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:10 am
MCI
- PDX
1 stop6h 35m
Southwest
Sat 4/2511:55 pm
PDX
- MCI
1 stop6h 05m
Southwest
Deal found 3/11![Southwest logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- PDX
1 stop23h 37m
Frontier
Sat 5/212:27 pm
PDX
- MCI
1 stop23h 03m
Frontier
Deal found 3/11![Frontier logo]()
$211
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:25 am
MCI
- PDX
2 stops12h 20m
Southwest
Tue 5/127:00 am
PDX
- MCI
2 stops10h 05m
Southwest
Deal found 3/11![Southwest logo]()
$192
This Alaska Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:11 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Sat 5/21:52 pm
PDX
- MCI
1 stop8h 07m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$227
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:15 pm
MCI
- PDX
1 stop22h 48m
Frontier
Wed 5/61:48 pm
PDX
- MCI
1 stop21h 42m
Frontier
Deal found 3/9![Frontier logo]()
$222
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 March 12, 2026.
Search for one-way flight options from Missouri to Oregon. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/98:12 pm
STL
- PDX
1 stop16h 51m
Frontier
Deal found 3/9![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Fri 5/82:15 pm
MCI
- PDX
1 stop23h 27m
Frontier
Deal found 3/7![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:46 pm
MCI
- PDX
1 stop16h 17m
Frontier
Deal found 3/11![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Fri 5/88:12 pm
STL
- PDX
1 stop17h 30m
Frontier
Deal found 3/7![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 3/7![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 3/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 3/9![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Mon 5/48:17 pm
STL
- PDX
1 stop18h 45m
Frontier
Deal found 3/7![Frontier logo]()
$102
This United Airlines deal was found by Cheapflights users on 3/7. 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 5/65:59 pm
STL
- PDX
1 stop6h 55m
United Airlines
Deal found 3/7![United Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Sat 5/92:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 3/10![Frontier logo]()
$104
This CheapOair deal was found by Cheapflights users on 3/7. 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.
Fri 4/248:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Deal found 3/7![Frontier logo]()
$107
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 5/56:45 pm
STL
- PDX
1 stop7h 08m
Delta
Deal found 3/9![Delta logo]()
$109
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:50 pm
MCI
- PDX
Nonstop3h 51m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$109
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 March 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $184 (Kiwi.com) |
One-way from | $76 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $472 |
Good round-trip deal | $257 or less |
Good one-way deal | $134 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 March 12, 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 CityBoise
MCI - BOI
MCIBOI
Kansas City
Sat 4/11
7:55 am-1:05 pm
1 stop6h 10m
Boise Air Term. Gowen Fld
Sat 4/18
1:52 pm-11:43 pm
1 stop8h 51m
$227
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Sat 4/18
6:40 am-12:17 pm
1 stop7h 37m
Portland
Sat 4/25
5:45 am-1:20 pm
1 stop5h 35m
$237
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 4/10
7:45 am-3:09 pm
1 stop9h 24m
Portland
Tue 4/14
11:59 pm-8:25 am
1 stop6h 26m
$247
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Mon 4/27
5:11 pm-7:03 pm
Nonstop3h 52m
Portland
Sat 5/2
10:45 am-4:17 pm
Nonstop3h 32m
$257
Quickest round-trip
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Sun 4/19
5:50 pm-7:41 pm
Nonstop3h 51m
Portland
Sat 4/25
10:45 am-4:17 pm
Nonstop3h 32m
$257
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Mon 4/13
6:45 pm-11:53 pm
1 stop7h 08m
Portland
Mon 4/27
11:15 pm-9:42 am
1 stop8h 27m
$257
Kansas CityEugene
MCI - EUG
MCIEUG
Kansas City
Wed 5/6
6:40 am-5:04 pm
2 stops12h 24m
Eugene
Sat 5/9
6:15 am-4:50 pm
2 stops8h 35m
$263
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 6/5
6:30 pm-11:55 pm
1 stop7h 25m
Portland
Mon 6/8
11:30 pm-9:35 am
1 stop8h 05m
$269
Kansas CityEugene
MCI - EUG
MCIEUG
Kansas City
Tue 4/14
6:30 pm-10:00 pm
1 stop5h 30m
Eugene
Tue 4/21
11:20 am-7:00 pm
1 stop5h 40m
$277
Kansas CityEugene
MCI - EUG
MCIEUG
Kansas City
Tue 4/7
4:25 pm-10:00 pm
1 stop7h 35m
Eugene
Tue 4/14
11:20 am-9:30 pm
1 stop8h 10m
$277
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
STL-BOI
SGF-PDX
MCI-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
STL-BOI
SGF-PDX
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 $205). 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 March 12, 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.
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 March 12, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, 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.
Overall
8.0
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
8.0
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
8.0
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
8.0
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
8.0
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
8.0
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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
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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 March 12, 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 March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$395 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$112 | Average$230 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$163 | Average$419 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$177 | Average$428 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$188 | Average$469 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$410 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$478 | FlexibilityNo cancel fee | On-time69% |