$106+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — PDX
Jul 5 — Jul 121
Round-trip
1 adult, Economy
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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 June 5, 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 June 5, 2026.
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:20 am
MCI
- PDX
1 stop7h 34m
United Airlines
Tue 9/224:07 pm
PDX
- MCI
1 stop5h 23m
United Airlines
Deal found 6/1![United Airlines logo]()
$212
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/253:35 pm
MCI
- PDX
1 stop9h 35m
Southwest
Tue 9/111:30 pm
PDX
- MCI
1 stop9h 00m
Southwest
Deal found 6/1![Southwest logo]()
$217
This American Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 8/255:30 am
MCI
- BOI
1 stop6h 52m
American Airlines
Tue 9/13:16 pm
BOI
- MCI
1 stop8h 19m
American Airlines
Deal found 6/2![American Airlines logo]()
$227
This American Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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.
Wed 8/125:00 am
MCI
- PDX
1 stop8h 34m
American Airlines
Wed 8/193:00 pm
PDX
- MCI
1 stop6h 36m
American Airlines
Deal found 5/31![American Airlines logo]()
$234
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/912:45 pm
MCI
- PDX
2 stops9h 05m
Southwest
Sat 9/128:00 am
PDX
- MCI
1 stop9h 10m
Southwest
Deal found 6/1![Southwest logo]()
$239
This Booking.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:45 pm
MCI
- BOI
1 stop23h 45m
Frontier
Tue 7/71:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/2![Frontier logo]()
$242
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:04 pm
MCI
- PDX
1 stop5h 01m
Delta
Mon 8/243:00 pm
PDX
- MCI
1 stop6h 27m
Delta
Deal found 5/31![Delta logo]()
$251
This Gotogate deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Sun 7/121:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/2![Frontier logo]()
$260
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:45 pm
STL
- EUG
1 stop6h 01m
Delta
Wed 8/194:43 pm
EUG
- STL
1 stop5h 58m
Delta
Deal found 6/1![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/306:00 am
MCI
- PDX
1 stop5h 31m
United Airlines
Mon 10/511:30 pm
PDX
- MCI
1 stop7h 37m
United Airlines
Deal found 6/1![United Airlines logo]()
$273
This CheapOair deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” 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.
Tue 7/74:58 pm
MCI
- PDX
1 stop25h 38m
Frontier
Wed 7/225:21 pm
PDX
- MCI
1 stop17h 39m
Frontier
Deal found 5/30![Frontier logo]()
$280
This American Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/84:54 pm
STL
- PDX
1 stop9h 05m
American Airlines
Tue 9/156:00 am
PDX
- STL
1 stop6h 44m
American Airlines
Deal found 6/1![American Airlines logo]()
$281
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 June 5, 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 June 5, 2026.
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:42 pm
STL
- EUG
2 stops8h 04m
Delta
Wed 8/194:43 pm
EUG
- STL
1 stop5h 58m
Delta
Deal found 6/1![Delta logo]()
$272
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 8/2612:45 pm
MCI
- PDX
1 stop7h 00m
Southwest
Sat 9/511:20 am
PDX
- MCI
2 stops8h 30m
Southwest
Deal found 5/31![Southwest logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:50 pm
MCI
- EUG
1 stop6h 38m
Alaska Airlines
Mon 8/177:20 pm
EUG
- MCI
1 stop16h 01m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/257:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Sat 8/111:40 pm
PDX
- STL
1 stop6h 59m
United Airlines
Deal found 5/31![United Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/134:32 pm
MCI
- RDM
1 stop21h 03m
Multiple Airlines
Mon 8/1712:15 pm
RDM
- MCI
2 stops22h 45m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/133:22 pm
MCI
- RDM
1 stop6h 46m
American Airlines
Mon 8/175:30 am
RDM
- MCI
1 stop5h 56m
American Airlines
Deal found 6/4![American Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” 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 8/116:01 pm
MCI
- EUG
1 stop7h 45m
Delta
Mon 8/1712:30 pm
EUG
- MCI
1 stop8h 32m
Delta
Deal found 5/30![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:15 pm
MCI
- PDX
1 stop6h 05m
Southwest
Mon 7/611:30 pm
PDX
- MCI
1 stop7h 50m
Southwest
Deal found 5/30![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/135:40 pm
MCI
- EUG
2 stops8h 06m
Delta
Tue 8/184:43 pm
EUG
- MCI
1 stop5h 30m
Delta
Deal found 6/1![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 9/912:59 pm
STL
- PDX
1 stop8h 04m
United Airlines
Sun 9/137:02 am
PDX
- STL
1 stop6h 36m
United Airlines
Deal found 6/2![United Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:17 pm
MCI
- BOI
1 stop9h 07m
Alaska Airlines
Wed 8/192:17 pm
BOI
- MCI
1 stop8h 42m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” 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 6/269:15 pm
MCI
- PDX
1 stop6h 05m
Southwest
Mon 7/611:30 pm
PDX
- MCI
1 stop7h 50m
Southwest
Deal found 5/30![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/155:30 am
SGF
- BOI
1 stop5h 04m
United Airlines
Wed 9/25:44 pm
BOI
- SGF
1 stop4h 58m
United Airlines
Deal found 6/4![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 10/36:25 am
STL
- PDX
1 stop8h 22m
Delta
Tue 10/65:05 pm
PDX
- STL
1 stop5h 31m
Delta
Deal found 6/4![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 10/277:00 am
STL
- EUG
1 stop8h 12m
Alaska Airlines
Sat 10/311:49 pm
EUG
- STL
1 stop8h 10m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/255:35 pm
STL
- PDX
Nonstop4h 05m
Southwest
Sat 8/15:25 am
PDX
- STL
1 stop8h 15m
Southwest
Deal found 5/31![Southwest logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” 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 10/244:40 pm
STL
- MFR
1 stop9h 19m
Alaska Airlines
Tue 10/271:23 pm
MFR
- STL
1 stop8h 36m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/83:55 pm
MCI
- PDX
1 stop8h 18m
Delta
Sat 7/1812:33 am
PDX
- MCI
1 stop6h 01m
Delta
Deal found 6/4![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/141:45 pm
STL
- PDX
1 stop7h 15m
Southwest
Sun 8/1611:30 pm
PDX
- STL
1 stop9h 00m
Southwest
Deal found 6/3![Southwest logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” 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 10/207:00 am
STL
- BOI
1 stop9h 23m
Alaska Airlines
Wed 10/212:08 pm
BOI
- STL
1 stop8h 51m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/265:30 am
SGF
- BOI
1 stop5h 05m
United Airlines
Wed 9/165:40 pm
BOI
- SGF
1 stop5h 02m
United Airlines
Deal found 6/4![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 6/306:20 am
MCI
- BOI
1 stop8h 31m
Delta
Tue 7/76:42 pm
BOI
- MCI
1 stop4h 31m
Delta
Deal found 5/31![Delta logo]()
$347
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/152:26 pm
SGF
- BOI
2 stops9h 14m
American Airlines
Sat 9/58:01 am
BOI
- SGF
2 stops12h 28m
American Airlines
Deal found 6/4![American Airlines logo]()
$527
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 9/126:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Sat 9/1911:16 am
PDX
- STL
Nonstop3h 54m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 8/273:04 pm
MCI
- RDM
2 stops9h 54m
Delta
Mon 8/317:25 pm
RDM
- MCI
2 stops11h 09m
Delta
Deal found 5/31![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 6/117:59 pm
MCI
- PDX
1 stop6h 51m
United Airlines
Tue 6/1611:40 pm
PDX
- MCI
1 stop7h 02m
United Airlines
Deal found 5/31![United Airlines logo]()
$432
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 6/112:10 pm
MCI
- PDX
1 stop6h 50m
Southwest
Tue 6/165:20 pm
PDX
- MCI
2 stops13h 25m
Southwest
Deal found 5/31![Southwest logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/277:00 am
MCI
- RDM
1 stop7h 34m
Alaska Airlines
Mon 8/314:02 pm
RDM
- MCI
1 stop18h 36m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/87:15 am
MCI
- RDM
1 stop7h 57m
Delta
Sat 8/151:52 pm
RDM
- MCI
1 stop7h 10m
Delta
Deal found 6/1![Delta logo]()
$350
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:20 pm
STL
- EUG
1 stop7h 55m
Southwest
Tue 7/211:40 pm
EUG
- STL
1 stop8h 10m
Southwest
Deal found 6/4![Southwest logo]()
$411
Last-minute flights from Missouri to OregonDiscover last-minute flight deals from Missouri to Oregon. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Oregon. Data last updated June 5, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 6/206:00 pm
MCI
- PDX
1 stop6h 45m
Southwest
Wed 6/249:20 pm
PDX
- MCI
1 stop10h 45m
Southwest
Deal found 6/2![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Fri 6/2611:40 pm
PDX
- STL
1 stop6h 53m
United Airlines
Deal found 6/1![United Airlines logo]()
$337
This CheapOair deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:46 pm
STL
- PDX
1 stop26h 01m
Frontier
Wed 7/15:20 pm
PDX
- STL
1 stop23h 33m
Frontier
Deal found 6/1![Frontier logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:08 pm
STL
- PDX
1 stop22h 27m
Frontier
Mon 7/612:20 pm
PDX
- STL
1 stop29h 03m
Frontier
Deal found 6/3![Frontier logo]()
$327
This Booking.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:45 pm
MCI
- BOI
1 stop23h 45m
Frontier
Tue 7/71:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/2![Frontier logo]()
$242
This CheapOair deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/18:08 pm
STL
- BOI
1 stop17h 22m
Frontier
Tue 7/71:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Deal found 6/2![Frontier logo]()
$320
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/27:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Thu 7/911:40 pm
PDX
- STL
1 stop6h 59m
United Airlines
Deal found 6/4![United Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/46:21 am
STL
- PDX
1 stop8h 19m
Delta
Wed 7/85:14 pm
PDX
- STL
1 stop5h 27m
Delta
Deal found 6/3![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/412:00 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Sat 7/113:05 pm
PDX
- MCI
1 stop6h 30m
Southwest
Deal found 6/3![Southwest logo]()
$319
This CheapOair deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
Tue 7/74:58 pm
MCI
- PDX
1 stop25h 38m
Frontier
Sun 7/126:49 pm
PDX
- MCI
1 stop18h 58m
Frontier
Deal found 6/3![Frontier logo]()
$320
This Gotogate deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Sun 7/121:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/2![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:41 pm
STL
- PDX
2 stops49h 26m
Multiple Airlines
Tue 7/285:16 pm
PDX
- STL
1 stop24h 07m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$321
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 June 5, 2026.
Search for one-way flight options from Missouri to Oregon. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 9/166:30 am
STL
- PDX
1 stop8h 05m
Southwest
Deal found 6/2![Southwest logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:08 pm
STL
- PDX
1 stop22h 49m
Frontier
Deal found 6/4![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:45 pm
MCI
- PDX
1 stop29h 12m
Frontier
Deal found 6/3![Frontier logo]()
$122
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” 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 9/105:18 pm
STL
- PDX
1 stop8h 49m
American Airlines
Deal found 5/30![American Airlines logo]()
$126
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/277:37 am
MCI
- PDX
1 stop6h 42m
Delta
Deal found 6/1![Delta logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 9/23:33 pm
STL
- PDX
2 stops27h 51m
Frontier
Deal found 6/4![Frontier logo]()
$141
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/215:30 pm
STL
- PDX
1 stop7h 22m
United Airlines
Deal found 6/1![United Airlines logo]()
$143
This American Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 8/278:00 am
STL
- PDX
1 stop7h 52m
American Airlines
Deal found 5/31![American Airlines logo]()
$146
This CheapOair deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
Tue 6/301:45 pm
MCI
- PDX
1 stop28h 50m
Frontier
Deal found 6/2![Frontier logo]()
$146
This CheapOair deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/158:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Deal found 6/4![Frontier logo]()
$146
This Southwest deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/279:55 pm
STL
- PDX
Nonstop4h 10m
Southwest
Deal found 6/1![Southwest logo]()
$150
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/412:00 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 6/4![Southwest logo]()
$155
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 June 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $212 (United Airlines) |
One-way from | $106 (Southwest) |
Popular in | November |
Cheapest in | January |
Average price | $380 |
Good round-trip deal | $368 or less |
Good one-way deal | $149 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 June 5, 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
St. LouisEugene
STL - EUG
STLEUG
Lambert-St Louis
Wed 8/12
5:42 pm-11:46 pm
2 stops8h 04m
Eugene
Wed 8/19
4:43 pm-12:41 am
1 stop5h 58m
$272
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Wed 8/26
12:45 pm-5:45 pm
1 stop7h 00m
Portland
Sat 9/5
11:20 am-9:50 pm
2 stops8h 30m
$302
Kansas CityEugene
MCI - EUG
MCIEUG
Kansas City
Tue 8/11
5:50 pm-10:28 pm
1 stop6h 38m
Eugene
Mon 8/17
7:20 pm-1:21 pm
1 stop16h 01m
$305
Kansas CityEugene
MCI - EUG
MCIEUG
Kansas City
Tue 8/11
6:01 pm-11:46 pm
1 stop7h 45m
Eugene
Mon 8/17
12:30 pm-11:02 pm
1 stop8h 32m
$305
Kansas CityEugene
MCI - EUG
MCIEUG
Kansas City
Thu 8/13
5:40 pm-11:46 pm
2 stops8h 06m
Eugene
Tue 8/18
4:43 pm-12:13 am
1 stop5h 30m
$310
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 7/25
7:23 pm-12:50 am
1 stop7h 27m
Portland
Sat 8/1
11:40 pm-8:39 am
1 stop6h 59m
$319
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 10/3
6:25 am-12:47 pm
1 stop8h 22m
Portland
Tue 10/6
5:05 pm-12:36 am
1 stop5h 31m
$319
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Mon 6/29
9:15 pm-1:20 am
1 stop6h 05m
Portland
Mon 7/6
11:30 pm-9:20 am
1 stop7h 50m
$329
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Fri 6/26
9:15 pm-1:20 am
1 stop6h 05m
Portland
Mon 7/6
11:30 pm-9:20 am
1 stop7h 50m
$329
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Wed 7/8
3:55 pm-10:13 pm
1 stop8h 18m
Portland
Sat 7/18
12:33 am-8:34 am
1 stop6h 01m
$329
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-EUG
MCI-PDX
MCI-EUG
STL-PDX
MCI-RDM
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-EUG
MCI-PDX
MCI-EUG
STL-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 $83). Flying from Missouri to Oregon in June is currently the most expensive (average of $165). 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 June 5, 2026.
A simple way to save on the total cost of your ticket is to fly from Missouri to Oregon in the afternoon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.
How much does it cost to fly round-trip from Missouri to Oregon?
How far ahead should I book a flight from Missouri to Oregon?
To ensure you get the cheapest price possible for a flight from Missouri to Oregon, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 June 5, 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.
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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 June 5, 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 June 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$246 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$301 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$158 | Average$411 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$177 | Average$448 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$437 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$492 | FlexibilityNo cancel fee | On-time69% |