$83+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Apr 29 — May 61
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 30, 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 30, 2026.
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:45 pm
STL
- PDX
1 stop7h 08m
Delta
Wed 5/131:40 pm
PDX
- STL
1 stop8h 50m
Delta
Deal found 3/26![Delta logo]()
$205
This Frontier deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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.
Sat 4/252:51 pm
MCI
- PDX
1 stop21h 29m
Frontier
Sat 5/212:27 pm
PDX
- MCI
1 stop23h 03m
Frontier
Deal found 3/29![Frontier logo]()
$205
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:45 pm
STL
- PDX
2 stops9h 00m
Southwest
Wed 5/1311:55 pm
PDX
- STL
1 stop8h 15m
Southwest
Deal found 3/26![Southwest logo]()
$206
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
MCI
- PDX
1 stop5h 48m
United Airlines
Tue 4/287:15 am
PDX
- MCI
1 stop9h 08m
United Airlines
Deal found 3/25![United Airlines logo]()
$211
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:30 am
MCI
- PDX
1 stop7h 35m
Southwest
Wed 4/222:20 pm
PDX
- MCI
1 stop5h 55m
Southwest
Deal found 3/25![Southwest logo]()
$215
This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Mon 4/2011:48 am
PDX
- STL
1 stop5h 44m
Frontier
Deal found 3/25![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/712:16 pm
STL
- PDX
1 stop10h 35m
Frontier
Sun 5/1012:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 3/29![Frontier logo]()
$221
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:30 pm
MCI
- PDX
1 stop6h 30m
Southwest
Tue 4/2111:15 am
PDX
- MCI
2 stops7h 40m
Southwest
Deal found 3/27![Southwest logo]()
$221
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:59 pm
STL
- PDX
1 stop10h 03m
Delta
Mon 5/1811:12 pm
PDX
- STL
1 stop8h 17m
Delta
Deal found 3/26![Delta logo]()
$224
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/142:20 pm
STL
- PDX
1 stop5h 48m
Delta
Tue 4/2111:15 pm
PDX
- STL
1 stop8h 27m
Delta
Deal found 3/25![Delta logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:15 pm
MCI
- PDX
1 stop23h 27m
Frontier
Wed 4/2912:38 pm
PDX
- MCI
1 stop22h 52m
Frontier
Deal found 3/25![Frontier logo]()
$229
This CheapOair deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/98:08 pm
STL
- PDX
1 stop22h 38m
Frontier
Mon 5/118:46 pm
PDX
- STL
1 stop19h 20m
Frontier
Deal found 3/29![Frontier logo]()
$236
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 30, 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 30, 2026.
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:26 am
MCI
- PDX
1 stop7h 10m
Delta
Sat 6/63:30 pm
PDX
- MCI
1 stop5h 38m
Delta
Deal found 3/25![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:45 pm
STL
- PDX
1 stop12h 25m
Southwest
Tue 5/2611:55 pm
PDX
- STL
1 stop7h 35m
Southwest
Deal found 3/26![Southwest logo]()
$262
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:30 am
MCI
- PDX
1 stop8h 04m
United Airlines
Sun 4/2611:59 pm
PDX
- MCI
1 stop6h 53m
United Airlines
Deal found 3/25![United Airlines logo]()
$266
This Alaska Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
MCI
- BOI
1 stop6h 35m
Alaska Airlines
Sat 5/26:00 am
BOI
- MCI
1 stop7h 04m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:30 pm
STL
- PDX
1 stop7h 25m
Southwest
Mon 6/811:30 pm
PDX
- STL
1 stop8h 05m
Southwest
Deal found 3/25![Southwest logo]()
$264
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:31 am
MCI
- BOI
1 stop5h 55m
Delta
Tue 4/2110:45 am
BOI
- MCI
1 stop7h 21m
Delta
Deal found 3/25![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:11 pm
MCI
- BOI
1 stop7h 48m
Alaska Airlines
Wed 5/134:19 pm
BOI
- MCI
1 stop6h 30m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:40 pm
STL
- BOI
2 stops7h 45m
Southwest
Wed 5/134:05 pm
BOI
- STL
1 stop6h 10m
Southwest
Deal found 3/27![Southwest logo]()
$295
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 am
MCI
- RDM
1 stop6h 55m
United Airlines
Mon 4/276:48 pm
RDM
- MCI
2 stops12h 04m
United Airlines
Deal found 3/26![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 7/45:00 pm
STL
- PDX
1 stop7h 40m
Delta
Tue 7/712:35 am
PDX
- STL
1 stop7h 53m
Delta
Deal found 3/29![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:00 am
MCI
- EUG
1 stop7h 46m
Alaska Airlines
Wed 5/61:23 pm
EUG
- MCI
1 stop8h 36m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$310
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:30 pm
MCI
- PDX
1 stop9h 40m
Southwest
Wed 4/2211:15 am
PDX
- MCI
2 stops7h 40m
Southwest
Deal found 3/25![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/293:11 pm
STL
- PDX
1 stop7h 00m
Delta
Mon 6/15:05 pm
PDX
- STL
1 stop5h 25m
Delta
Deal found 3/29![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
MCI
- RDM
1 stop7h 58m
Alaska Airlines
Tue 5/129:28 am
RDM
- MCI
1 stop12h 31m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:30 am
MCI
- BOI
2 stops10h 52m
United Airlines
Wed 4/297:11 am
BOI
- MCI
2 stops12h 23m
United Airlines
Deal found 3/25![United Airlines logo]()
$351
This Alaska Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:45 am
MCI
- RDM
1 stop8h 00m
Alaska Airlines
Sat 8/293:50 pm
RDM
- MCI
1 stop22h 08m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/296:45 pm
STL
- PDX
1 stop5h 55m
Southwest
Tue 6/26:30 am
PDX
- STL
2 stops9h 25m
Southwest
Deal found 3/29![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 am
MCI
- RDM
2 stops11h 39m
Delta
Sat 8/296:20 am
RDM
- MCI
2 stops9h 03m
Delta
Deal found 3/27![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:15 am
MCI
- PDX
1 stop8h 28m
United Airlines
Sat 5/24:15 pm
PDX
- MCI
1 stop5h 37m
United Airlines
Deal found 3/25![United Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
MCI
- RDM
1 stop7h 58m
Alaska Airlines
Sat 5/26:00 am
RDM
- MCI
1 stop6h 04m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:05 pm
MCI
- PDX
1 stop6h 00m
Southwest
Sat 5/26:00 am
PDX
- MCI
2 stops8h 30m
Southwest
Deal found 3/27![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:59 pm
MCI
- RDM
1 stop5h 48m
Delta
Mon 5/411:35 am
RDM
- MCI
2 stops10h 22m
Delta
Deal found 3/25![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:28 am
MCI
- BOI
2 stops11h 47m
United Airlines
Sat 5/212:30 pm
BOI
- MCI
2 stops10h 22m
United Airlines
Deal found 3/25![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/285:30 am
STL
- PDX
2 stops10h 20m
Southwest
Tue 5/511:15 am
PDX
- STL
2 stops8h 30m
Southwest
Deal found 3/29![Southwest logo]()
$332
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
STL
- BOI
1 stop8h 07m
Delta
Mon 4/273:23 pm
BOI
- STL
1 stop6h 50m
Delta
Deal found 3/25![Delta logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:11 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Sat 5/210:45 am
PDX
- MCI
Nonstop3h 32m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/2911:28 am
MCI
- BOI
2 stops9h 45m
United Airlines
Sun 5/35:00 am
BOI
- MCI
1 stop4h 33m
United Airlines
Deal found 3/29![United Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:45 pm
STL
- PDX
2 stops9h 00m
Southwest
Sun 5/1711:55 pm
PDX
- STL
1 stop8h 20m
Southwest
Deal found 3/27![Southwest logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/95:11 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Wed 5/1311:30 am
PDX
- MCI
Nonstop3h 27m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:10 am
STL
- BOI
2 stops14h 25m
United Airlines
Sat 5/28:21 am
BOI
- STL
1 stop7h 18m
United Airlines
Deal found 3/26![United Airlines logo]()
$385
Last-minute flights from Missouri to OregonDiscover last-minute flight deals from Missouri to Oregon. Data last updated March 30, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Oregon. Data last updated March 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
MCI
- PDX
1 stop5h 48m
United Airlines
Tue 4/287:15 am
PDX
- MCI
1 stop9h 08m
United Airlines
Deal found 3/25![United Airlines logo]()
$211
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:30 pm
MCI
- PDX
1 stop6h 30m
Southwest
Tue 4/2111:15 am
PDX
- MCI
2 stops7h 40m
Southwest
Deal found 3/27![Southwest logo]()
$221
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/142:20 pm
STL
- PDX
1 stop5h 48m
Delta
Tue 4/2111:15 pm
PDX
- STL
1 stop8h 27m
Delta
Deal found 3/25![Delta logo]()
$225
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:30 pm
MCI
- PDX
1 stop6h 30m
Southwest
Thu 4/2311:55 pm
PDX
- MCI
1 stop7h 25m
Southwest
Deal found 3/27![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:30 am
MCI
- PDX
1 stop7h 35m
Southwest
Wed 4/222:20 pm
PDX
- MCI
1 stop5h 55m
Southwest
Deal found 3/25![Southwest logo]()
$215
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:06 am
MCI
- PDX
1 stop7h 02m
Delta
Mon 4/2711:15 pm
PDX
- MCI
1 stop8h 34m
Delta
Deal found 3/25![Delta logo]()
$236
This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Mon 4/2011:48 am
PDX
- STL
1 stop5h 44m
Frontier
Deal found 3/25![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:15 pm
MCI
- PDX
1 stop23h 27m
Frontier
Wed 4/2912:38 pm
PDX
- MCI
1 stop22h 52m
Frontier
Deal found 3/25![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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.
Sat 4/252:51 pm
MCI
- PDX
1 stop21h 29m
Frontier
Sat 5/212:27 pm
PDX
- MCI
1 stop23h 03m
Frontier
Deal found 3/29![Frontier logo]()
$205
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:45 pm
STL
- PDX
1 stop7h 08m
Delta
Wed 5/131:40 pm
PDX
- STL
1 stop8h 50m
Delta
Deal found 3/26![Delta logo]()
$205
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:45 pm
STL
- PDX
2 stops9h 00m
Southwest
Wed 5/1311:55 pm
PDX
- STL
1 stop8h 15m
Southwest
Deal found 3/26![Southwest logo]()
$206
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:45 pm
STL
- PDX
1 stop7h 08m
Delta
Sat 5/165:45 am
PDX
- STL
1 stop5h 47m
Delta
Deal found 3/26![Delta logo]()
$224
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 30, 2026.
Search for one-way flight options from Missouri to Oregon. Find affordable one-way fares based on user searches. Data last updated March 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 3/26![Frontier logo]()
$83
This Expedia deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 3/28![Frontier logo]()
$86
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:17 pm
STL
- PDX
1 stop17h 35m
Frontier
Deal found 3/28![Frontier logo]()
$92
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/182:51 pm
MCI
- PDX
1 stop21h 29m
Frontier
Deal found 3/28![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- PDX
1 stop23h 37m
Frontier
Deal found 3/27![Frontier logo]()
$103
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:26 am
MCI
- PDX
1 stop7h 10m
Delta
Deal found 3/26![Delta logo]()
$108
This Trip.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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.
Fri 4/178:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Deal found 3/29![Frontier logo]()
$109
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:17 pm
MCI
- PDX
1 stop8h 39m
American Airlines
Deal found 3/27![American Airlines logo]()
$109
This CheapOair deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:19 pm
STL
- PDX
1 stop18h 43m
Frontier
Deal found 3/26![Frontier logo]()
$112
This CheapOair deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:46 pm
MCI
- PDX
1 stop16h 17m
Frontier
Deal found 3/26![Frontier logo]()
$112
This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:16 pm
STL
- BOI
1 stop15h 52m
Frontier
Deal found 3/25![Frontier logo]()
$112
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:25 am
MCI
- PDX
2 stops12h 20m
Southwest
Deal found 3/27![Southwest logo]()
$113
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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $205 (Delta) |
One-way from | $83 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $472 |
Good round-trip deal | $269 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 March 30, 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
Sat 5/30
7:26 am-12:36 pm
1 stop7h 10m
Portland
Sat 6/6
3:30 pm-11:08 pm
1 stop5h 38m
$257
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 5/21
1:45 pm-12:10 am
1 stop12h 25m
Portland
Tue 5/26
11:55 pm-9:30 am
1 stop7h 35m
$262
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
$264
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Wed 4/15
6:30 am-12:34 pm
1 stop8h 04m
Portland
Sun 4/26
11:59 pm-8:52 am
1 stop6h 53m
$266
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Wed 4/29
7:00 am-12:35 pm
1 stop6h 35m
Boise Air Term. Gowen Fld
Sat 5/2
6:00 am-2:04 pm
1 stop7h 04m
$277
St. LouisBoise
STL - BOI
STLBOI
Lambert-St Louis
Tue 4/28
5:40 pm-12:25 am
2 stops7h 45m
Boise Air Term. Gowen Fld
Wed 5/13
4:05 pm-11:15 pm
1 stop6h 10m
$295
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Fri 4/17
9:31 am-2:26 pm
1 stop5h 55m
Boise Air Term. Gowen Fld
Tue 4/21
10:45 am-7:06 pm
1 stop7h 21m
$302
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Wed 4/15
3:30 pm-11:10 pm
1 stop9h 40m
Portland
Wed 4/22
11:15 am-8:55 pm
2 stops7h 40m
$302
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Sat 5/9
5:11 pm-11:59 pm
1 stop7h 48m
Boise Air Term. Gowen Fld
Wed 5/13
4:19 pm-11:49 pm
1 stop6h 30m
$307
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 7/4
5:00 pm-10:40 pm
1 stop7h 40m
Portland
Tue 7/7
12:35 am-10:28 am
1 stop7h 53m
$309
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.
MCI-PDX
STL-BOI
STL-PDX
STL-EUG
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
MCI-PDX
STL-BOI
STL-PDX
STL-EUG
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 $109). 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 30, 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 March 30, 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.
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
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.
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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 30, 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$401 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$112 | Average$231 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$163 | Average$363 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$177 | Average$409 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$188 | Average$444 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$413 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$212 | Average$468 | FlexibilityNo cancel fee | On-time69% |