$104+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Sep 3 — Sep 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missouri to Oregon
Cheapest
Best
Last-minute
One-way
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 August 4, 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 August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:38 pm -
1 stop22h 51m
Mon 9/142:50 pm -
2 stops27h 47m
Deal found 7/30![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sun 9/131:02 pm -
1 stop24h 41m
Thu 9/2412:38 pm -
1 stop28h 39m
Deal found 8/3![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sun 9/131:02 pm -
1 stop24h 41m
Fri 9/1812:38 pm -
1 stop28h 39m
Deal found 8/3![Frontier logo]()
$239
This CheapOair deal was found by Cheapflights users on 7/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:17 pm -
1 stop25h 19m
Sun 9/1312:38 pm -
1 stop28h 39m
Deal found 7/31![Frontier logo]()
$240
This Trip.com deal was found by Cheapflights users on 8/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:45 pm -
1 stop24h 36m
Mon 8/316:17 pm -
1 stop21h 33m
Deal found 8/4![Frontier logo]()
$244
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:17 pm -
1 stop25h 19m
Fri 9/1812:39 pm -
1 stop20h 53m
Deal found 8/2![Frontier logo]()
$247
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:58 pm -
1 stop23h 13m
Fri 9/411:40 am -
1 stop28h 10m
Deal found 7/30![Frontier logo]()
$249
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:45 pm -
1 stop20h 07m
Sun 8/301:47 pm -
1 stop26h 03m
Deal found 8/2![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sat 9/128:10 pm -
1 stop17h 33m
Thu 9/2412:38 pm -
1 stop28h 39m
Deal found 8/3![Frontier logo]()
$252
This CheapOair deal was found by Cheapflights users on 7/30. 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.
Thu 11/125:32 pm -
1 stop28h 36m
Sun 11/153:47 pm -
1 stop25h 28m
Deal found 7/30![Frontier logo]()
$259
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:58 pm -
1 stop23h 13m
Mon 8/246:17 pm -
1 stop21h 33m
Deal found 8/2![Frontier logo]()
$266
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:19 pm -
1 stop29h 20m
Sun 10/259:34 pm -
1 stop25h 43m
Deal found 8/2![Frontier logo]()
$271
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 August 4, 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 August 4, 2026.
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:38 pm -
1 stop22h 51m
Mon 9/142:50 pm -
1 stop5h 55m
Deal found 8/1![Frontier logo]()
$248
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am -
1 stop4h 35m
Tue 8/255:00 am -
1 stop4h 51m
Deal found 7/30![United Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:08 pm -
Nonstop4h 12m
Tue 9/1511:16 am -
Nonstop3h 54m
Deal found 8/3![Alaska Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 8/2. 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 9/195:20 pm -
1 stop6h 05m
Wed 9/2311:30 pm -
1 stop7h 45m
Deal found 8/2![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 8/3. 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.
Tue 9/16:28 am -
1 stop9h 10m
Mon 9/712:25 am -
1 stop6h 07m
Deal found 8/3![Delta logo]()
$338
This American Airlines deal was found by Cheapflights users on 8/4. 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 9/247:27 am -
1 stop8h 04m
Tue 9/296:30 am -
1 stop6h 14m
Deal found 8/4![American Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:26 am -
2 stops27h 17m
Sun 9/2712:24 pm -
1 stop21h 38m
Deal found 7/30![Multiple Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/276:00 am -
1 stop4h 35m
Sun 8/306:15 am -
1 stop7h 18m
Deal found 7/31![United Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 12/97:00 am -
1 stop7h 22m
Tue 12/1510:30 am -
Nonstop3h 28m
Deal found 7/30![Alaska Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 7/30. 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 8/144:55 pm -
1 stop7h 45m
Tue 8/1812:25 pm -
2 stops8h 05m
Deal found 7/30![Southwest logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:00 am -
1 stop8h 10m
Wed 9/97:03 am -
Nonstop3h 35m
Deal found 8/3![Alaska Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 8/145:13 pm -
1 stop6h 04m
Sat 8/155:45 am -
1 stop6h 48m
Deal found 7/31![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 8/4. 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.
Thu 10/297:00 pm -
1 stop6h 47m
Sun 11/15:35 am -
1 stop5h 57m
Deal found 8/4![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/199:14 am -
1 stop5h 47m
Sun 8/235:00 am -
1 stop5h 37m
Deal found 8/4![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 7/31. 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 11/1212:20 pm -
1 stop8h 56m
Sun 11/1511:10 pm -
1 stop7h 43m
Deal found 7/31![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 7/30. 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 11/26:45 am -
1 stop5h 35m
Mon 11/22:25 pm -
2 stops8h 05m
Deal found 7/30![Southwest logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 9/112:53 pm -
Nonstop3h 52m
Tue 9/157:03 am -
Nonstop3h 35m
Deal found 7/31![Alaska Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 7/30. 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.
Sun 9/68:30 am -
2 stops7h 45m
Wed 9/97:50 am -
2 stops8h 00m
Deal found 7/30![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 8/3. 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.
Fri 8/216:01 pm -
1 stop7h 43m
Mon 8/246:20 am -
1 stop6h 25m
Deal found 8/3![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 8/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:15 am -
1 stop8h 14m
Tue 10/273:00 pm -
1 stop6h 54m
Deal found 8/3![American Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am -
1 stop6h 36m
Tue 9/17:20 am -
2 stops15h 39m
Deal found 8/3![Alaska Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/195:13 pm -
1 stop6h 27m
Sun 8/236:15 am -
1 stop7h 18m
Deal found 8/2![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 12/233:45 pm -
1 stop8h 41m
Wed 12/301:25 pm -
1 stop7h 57m
Deal found 7/31![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 10/16:15 pm -
2 stops8h 25m
Tue 10/63:20 pm -
1 stop4h 10m
Deal found 7/30![Southwest logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 12/97:00 am -
1 stop7h 22m
Sun 12/1310:30 am -
Nonstop3h 28m
Deal found 7/30![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 9/2211:20 am -
2 stops13h 25m
Wed 10/72:27 pm -
1 stop6h 28m
Deal found 8/2![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 8/3. 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 9/51:04 pm -
1 stop10h 40m
Tue 9/158:44 pm -
2 stops9h 56m
Deal found 8/3![Delta logo]()
$360
This Southwest deal was found by Cheapflights users on 8/4. 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 10/38:25 am -
2 stops10h 55m
Sat 10/1011:20 am -
2 stops9h 30m
Deal found 8/4![Southwest logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:34 pm -
1 stop8h 16m
Wed 9/97:03 am -
Nonstop3h 35m
Deal found 8/3![Alaska Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 8/4. 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 8/273:22 pm -
1 stop6h 46m
Mon 8/315:30 am -
1 stop6h 00m
Deal found 8/4![American Airlines logo]()
$501
Last-minute flights from Missouri to OregonDiscover last-minute flight deals from Missouri to Oregon. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Oregon. Data last updated August 4, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/30. 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.
Wed 8/196:45 pm -
1 stop20h 07m
Sun 8/231:47 pm -
1 stop26h 03m
Deal found 7/30![Frontier logo]()
$259
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:58 pm -
1 stop23h 13m
Mon 8/246:17 pm -
1 stop21h 33m
Deal found 8/2![Frontier logo]()
$266
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:45 pm -
1 stop20h 07m
Sun 8/301:47 pm -
1 stop26h 03m
Deal found 8/2![Frontier logo]()
$251
This Trip.com deal was found by Cheapflights users on 8/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:45 pm -
1 stop24h 36m
Mon 8/316:17 pm -
1 stop21h 33m
Deal found 8/4![Frontier logo]()
$244
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:58 pm -
1 stop23h 13m
Fri 9/411:40 am -
1 stop28h 10m
Deal found 7/30![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:38 pm -
1 stop22h 51m
Mon 9/142:50 pm -
2 stops27h 47m
Deal found 7/30![Frontier logo]()
$228
This CheapOair deal was found by Cheapflights users on 7/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:17 pm -
1 stop25h 19m
Sun 9/1312:38 pm -
1 stop28h 39m
Deal found 7/31![Frontier logo]()
$240
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:17 pm -
1 stop25h 19m
Fri 9/1812:39 pm -
1 stop20h 53m
Deal found 8/2![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sat 9/128:10 pm -
1 stop17h 33m
Thu 9/2412:38 pm -
1 stop28h 39m
Deal found 8/3![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sun 9/131:02 pm -
1 stop24h 41m
Thu 9/2412:38 pm -
1 stop28h 39m
Deal found 8/3![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sun 9/131:02 pm -
1 stop24h 41m
Fri 9/1812:38 pm -
1 stop28h 39m
Deal found 8/3![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sun 9/131:02 pm -
1 stop24h 41m
Sat 9/1912:24 pm -
2 stops26h 10m
Deal found 8/3![Frontier logo]()
$273
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 August 4, 2026.
Search for one-way flight options from Missouri to Oregon. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Trip.com deal was found by Cheapflights users on 8/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:32 pm -
1 stop17h 11m
Deal found 8/1![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Wed 11/42:17 pm -
1 stop28h 18m
Deal found 8/3![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:38 pm -
1 stop23h 51m
Deal found 7/30![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:38 pm -
1 stop29h 33m
Deal found 7/31![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:38 pm -
1 stop29h 33m
Deal found 7/30![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:10 pm -
1 stop17h 33m
Deal found 7/31![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:17 pm -
1 stop28h 18m
Deal found 7/31![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:58 pm -
1 stop23h 13m
Deal found 7/31![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/208:10 pm -
1 stop22h 25m
Deal found 8/4![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:38 pm -
1 stop29h 33m
Deal found 8/1![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:10 pm -
1 stop22h 25m
Deal found 8/1![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 8/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:38 pm -
1 stop5h 33m
Deal found 8/1![Frontier logo]()
$120
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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $228 (Kiwi.com) |
One-way from | $104 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $358 |
Good round-trip deal | $327 or less |
Good one-way deal | $178 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 August 4, 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 9/5
1:38 pm-11:29 am
1 stop22h 51m
Boise Air Term. Gowen Fld
Mon 9/14
2:50 pm-9:45 pm
1 stop5h 55m
$248
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Thu 8/20
6:00 am-9:35 am
1 stop4h 35m
Boise Air Term. Gowen Fld
Tue 8/25
5:00 am-10:51 am
1 stop4h 51m
$277
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Thu 8/27
6:00 am-9:35 am
1 stop4h 35m
Boise Air Term. Gowen Fld
Sun 8/30
6:15 am-2:33 pm
1 stop7h 18m
$277
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Tue 9/8
6:08 pm-8:20 pm
Nonstop4h 12m
Portland
Tue 9/15
11:16 am-5:10 pm
Nonstop3h 54m
$297
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Wed 12/9
7:00 am-12:22 pm
1 stop7h 22m
Portland
Tue 12/15
10:30 am-3:58 pm
Nonstop3h 28m
$307
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Wed 9/2
7:00 am-1:10 pm
1 stop8h 10m
Portland
Wed 9/9
7:03 am-12:38 pm
Nonstop3h 35m
$307
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 9/19
5:20 pm-9:25 pm
1 stop6h 05m
Portland
Wed 9/23
11:30 pm-9:15 am
1 stop7h 45m
$317
Kansas CityEugene
MCI - EUG
MCIEUG
Kansas City
Fri 8/14
5:13 pm-9:17 pm
1 stop6h 04m
Eugene
Sat 8/15
5:45 am-2:33 pm
1 stop6h 48m
$317
Kansas CityMedford
MCI - MFR
MCIMFR
Kansas City
Wed 8/19
9:14 am-1:01 pm
1 stop5h 47m
Medford
Sun 8/23
5:00 am-12:37 pm
1 stop5h 37m
$317
Kansas CityEugene
MCI - EUG
MCIEUG
Kansas City
Fri 8/14
4:55 pm-10:40 pm
1 stop7h 45m
Eugene
Tue 8/18
12:25 pm-10:30 pm
2 stops8h 05m
$322
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-BOI
STL-PDX
MCI-PDX
STL-BOI
SGF-PDX
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-BOI
STL-PDX
MCI-PDX
STL-BOI
What is the cheapest month to book a flight from Missouri to Oregon?
Currently, February is the cheapest month in which you can book a flight from Missouri to Oregon (average of $248). Flying from Missouri to Oregon in June is currently the most expensive (average of $467). 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 August 4, 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 38% on your trip compared to booking a flight in the morning.
How much does it cost to fly round-trip from Missouri to Oregon?
Airfare is below average for this route at the moment.
Missouri to Oregon flights typically cost between $301 and $462 in September.The cheapest round-trip price found within the last 5 days was $231 on Frontier (Sep 13-Sep 24).
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 86 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 August 4, 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.
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Missouri to Oregon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 August 4, 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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$253 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$148 | Average$377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$167 | Average$285 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$176 | Average$464 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$440 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$471 | FlexibilityNo cancel fee | On-time69% |