$75+ Cheap flights from Missouri to Portland (PDX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Nov 10 — Nov 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Missouri to Portland 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 Portland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Missouri to PortlandExplore the most affordable flight options available from Missouri to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 11, 2026.
Explore the most affordable flight options available from Missouri to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 11, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:54 pm -
1 stop22h 16m
Tue 12/85:10 pm -
1 stop15h 54m
Deal found 10/8![Frontier logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:32 pm -
1 stop21h 38m
Thu 12/105:10 pm -
1 stop24h 25m
Deal found 10/8![Frontier logo]()
$138
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:35 am -
1 stop5h 15m
Mon 11/211:30 pm -
1 stop8h 20m
Deal found 10/6![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:30 am -
1 stop6h 50m
Wed 12/166:20 am -
1 stop7h 00m
Deal found 10/6![Southwest logo]()
$158
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:40 am -
1 stop8h 25m
Sat 11/146:55 am -
1 stop6h 35m
Deal found 10/7![Southwest logo]()
$158
This American Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:40 am -
1 stop7h 25m
Tue 11/311:49 pm -
1 stop7h 41m
Deal found 10/7![American Airlines logo]()
$159
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:40 pm -
1 stop7h 45m
Mon 11/211:30 pm -
1 stop8h 20m
Deal found 10/7![Southwest logo]()
$159
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:45 pm -
1 stop7h 30m
Tue 11/1011:25 am -
2 stops8h 00m
Deal found 10/6![Southwest logo]()
$163
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:20 pm -
1 stop6h 50m
Fri 11/68:00 am -
2 stops9h 10m
Deal found 10/7![Southwest logo]()
$164
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:05 am -
1 stop6h 45m
Thu 12/1010:15 am -
2 stops7h 35m
Deal found 10/8![Southwest logo]()
$164
This Cheapflightsfares deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:43 pm -
1 stop16h 24m
Thu 10/2912:02 pm -
1 stop5h 45m
Deal found 10/6![Frontier logo]()
$168
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:55 pm -
2 stops9h 30m
Wed 12/911:40 am -
2 stops8h 15m
Deal found 10/7![Southwest logo]()
$169
Best flights from Missouri to PortlandDiscover carefully curated flight deals from Missouri to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 11, 2026.
Discover carefully curated flight deals from Missouri to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 11, 2026.
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:55 pm -
2 stops9h 30m
Fri 12/1111:30 pm -
1 stop6h 25m
Deal found 10/7![Southwest logo]()
$164
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:38 pm -
1 stop9h 24m
Wed 10/286:00 am -
1 stop8h 43m
Deal found 10/6![Delta logo]()
$198
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:45 am -
1 stop5h 54m
Tue 12/2911:59 pm -
1 stop7h 14m
Deal found 10/7![United Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:50 am -
2 stops8h 35m
Tue 11/1010:15 am -
2 stops9h 40m
Deal found 10/6![Southwest logo]()
$169
This American Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:42 pm -
1 stop7h 07m
Sat 12/121:30 pm -
1 stop7h 10m
Deal found 10/6![American Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/73:50 pm -
1 stop9h 30m
Thu 12/106:00 am -
1 stop9h 15m
Deal found 10/10![Southwest logo]()
$231
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:21 pm -
1 stop9h 49m
Fri 11/137:35 pm -
2 stops11h 50m
Deal found 10/8![Delta logo]()
$275
This Southwest deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:50 pm -
2 stops8h 35m
Mon 12/141:05 pm -
1 stop6h 45m
Deal found 10/10![Southwest logo]()
$236
This Delta deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:03 am -
1 stop6h 45m
Tue 12/151:30 pm -
1 stop5h 58m
Deal found 10/7![Delta logo]()
$283
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:45 am -
2 stops11h 35m
Mon 11/234:25 pm -
1 stop5h 27m
Deal found 10/6![United Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:20 pm -
1 stop6h 50m
Sun 12/1312:10 pm -
1 stop5h 05m
Deal found 10/6![Southwest logo]()
$274
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:09 pm -
2 stops11h 37m
Wed 11/115:00 am -
1 stop5h 28m
Deal found 10/6![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:00 pm -
1 stop8h 40m
Mon 11/2312:35 am -
1 stop7h 17m
Deal found 10/7![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:30 am -
1 stop6h 10m
Sun 12/132:30 pm -
1 stop5h 55m
Deal found 10/7![Southwest logo]()
$274
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:18 am -
2 stops11h 44m
Sat 11/1411:30 pm -
1 stop7h 28m
Deal found 10/7![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/233:46 pm -
1 stop9h 07m
Wed 12/304:15 pm -
1 stop5h 36m
Deal found 10/6![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:01 pm -
1 stop9h 28m
Tue 10/2710:55 pm -
1 stop9h 06m
Deal found 10/7![American Airlines logo]()
$438
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:05 am -
2 stops8h 20m
Thu 11/1211:30 pm -
1 stop7h 00m
Deal found 10/8![Southwest logo]()
$284
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:03 pm -
1 stop8h 51m
Sat 11/1410:59 am -
2 stops10h 53m
Deal found 10/6![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:15 pm -
2 stops9h 51m
Sun 12/135:30 am -
2 stops9h 00m
Deal found 10/6![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:10 am -
1 stop6h 26m
Sat 10/246:44 am -
2 stops11h 52m
Deal found 10/10![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/125:45 am -
2 stops8h 40m
Tue 1/1910:55 am -
2 stops8h 15m
Deal found 10/10![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/3111:40 am -
2 stops14h 11m
Sat 4/36:04 am -
1 stop7h 17m
Deal found 10/9![Delta logo]()
$348
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:40 pm -
2 stops9h 50m
Wed 12/166:30 am -
2 stops8h 55m
Deal found 10/6![Southwest logo]()
$313
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:02 pm -
1 stop6h 11m
Sun 11/1511:30 pm -
1 stop9h 06m
Deal found 10/8![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:25 pm -
2 stops9h 37m
Mon 11/232:34 pm -
1 stop6h 36m
Deal found 10/7![United Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:30 pm -
1 stop8h 27m
Sat 11/1412:35 am -
2 stops12h 06m
Deal found 10/6![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:25 am -
2 stops14h 20m
Thu 11/58:00 am -
2 stops9h 10m
Deal found 10/10![Southwest logo]()
$362
This United Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:15 am -
1 stop9h 38m
Tue 10/279:00 am -
2 stops11h 58m
Deal found 10/9![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:35 am -
1 stop6h 50m
Wed 10/286:40 am -
2 stops9h 05m
Deal found 10/6![Southwest logo]()
$377
Last-minute flights from Missouri to PortlandDiscover last-minute flight deals from Missouri to Portland. Data last updated October 11, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Portland. Data last updated October 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:03 am -
1 stop10h 23m
Tue 10/276:30 am -
1 stop8h 32m
Deal found 10/6![American Airlines logo]()
$172
This Cheapflightsfares deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:43 pm -
1 stop16h 24m
Thu 10/2912:02 pm -
1 stop5h 45m
Deal found 10/6![Frontier logo]()
$168
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:35 am -
1 stop5h 15m
Mon 11/211:30 pm -
1 stop8h 20m
Deal found 10/6![Southwest logo]()
$154
This American Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:40 am -
1 stop7h 25m
Tue 11/311:49 pm -
1 stop7h 41m
Deal found 10/7![American Airlines logo]()
$159
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 pm -
1 stop7h 10m
Sat 10/316:10 am -
2 stops7h 25m
Deal found 10/7![Southwest logo]()
$164
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:40 pm -
1 stop7h 45m
Mon 11/211:30 pm -
1 stop8h 20m
Deal found 10/7![Southwest logo]()
$159
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:20 pm -
1 stop6h 50m
Fri 11/68:00 am -
2 stops9h 10m
Deal found 10/7![Southwest logo]()
$164
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:45 pm -
1 stop7h 30m
Tue 11/1011:25 am -
2 stops8h 00m
Deal found 10/6![Southwest logo]()
$163
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:05 am -
1 stop6h 45m
Wed 11/41:05 pm -
1 stop6h 50m
Deal found 10/6![Southwest logo]()
$171
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:40 am -
1 stop8h 25m
Sat 11/146:55 am -
1 stop6h 35m
Deal found 10/7![Southwest logo]()
$158
This Delta deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:00 pm -
1 stop6h 51m
Mon 11/1611:20 pm -
1 stop8h 05m
Deal found 10/7![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:50 pm -
2 stops8h 45m
Mon 11/239:00 pm -
1 stop12h 40m
Deal found 10/8![Southwest logo]()
$170
One-way flights from Missouri to PortlandSearch for one-way flight options from Missouri to Portland. Find affordable one-way fares based on user searches. Data last updated October 11, 2026.
Search for one-way flight options from Missouri to Portland. Find affordable one-way fares based on user searches. Data last updated October 11, 2026.
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:35 am -
1 stop5h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Southwest logo]()
$75
This Cheapflightsfares deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:59 pm -
1 stop17h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$76
This Cheapflightsfares deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:19 pm -
1 stop18h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$76
This CheapOair deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:59 pm -
1 stop17h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$78
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:30 am -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Southwest logo]()
$79
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:45 pm -
1 stop6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$79
This American Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:02 am -
1 stop8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![American Airlines logo]()
$80
This Southwest deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/297:20 am -
2 stops8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Southwest logo]()
$80
This Southwest deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:40 pm -
2 stops9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$85
This Southwest deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
2 stops8h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$85
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:20 pm -
1 stop11h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![United Airlines logo]()
$88
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:13 am -
1 stop6h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Delta logo]()
$89
Find flight deals from Missouri to Portland
Keep the following information in mind while searching for Missouri to Portland flight deals. Data was last updated October 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $138 (Cheapflightsfares) |
One-way from | $75 (United Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $409 |
Good round-trip deal | $457 or less |
Good one-way deal | $238 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Portland 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 7,457,451 searches. Data last updated October 11, 2026.
Use the filters below to find and compare flights from Missouri to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisPortland
STL Lambert-St Louis - PDX Portland
STLPDX
Lambert-St Louis
Wed 12/2
5:30 am-10:20 am
1 stop6h 50m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$79
Kansas CityPortland
MCI Kansas City - PDX Portland
MCIPDX
Kansas City
Tue 11/17
6:00 am-12:35 pm
1 stop8h 35m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$79
St. LouisPortland
STL Lambert-St Louis - PDX Portland
STLPDX
Lambert-St Louis
Mon 11/2
7:20 pm-12:10 am
1 stop6h 50m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$80
St. LouisPortland
STL Lambert-St Louis - PDX Portland
STLPDX
Lambert-St Louis
Tue 11/3
1:40 pm-9:25 pm
2 stops9h 45m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$85
St. LouisPortland
STL Lambert-St Louis - PDX Portland
STLPDX
Lambert-St Louis
Tue 12/15
12:40 pm-9:45 pm
2 stops11h 05m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$85
St. LouisPortland
STL Lambert-St Louis - PDX Portland
STLPDX
Lambert-St Louis
Sat 12/12
6:35 am-2:40 pm
2 stops10h 05m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$85
St. LouisPortland
STL Lambert-St Louis - PDX Portland
STLPDX
Lambert-St Louis
Sat 12/5
8:40 am-5:45 pm
2 stops11h 05m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$85
Kansas CityPortland
MCI Kansas City - PDX Portland
MCIPDX
Kansas City
Tue 12/1
4:50 pm-9:35 pm
1 stop6h 45m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$103
St. LouisPortland
STL Lambert-St Louis - PDX Portland
STLPDX
Lambert-St Louis
Thu 11/19
6:13 am-12:33 pm
1 stop8h 20m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$106
Kansas CityPortland
MCI Kansas City - PDX Portland
MCIPDX
Kansas City
Mon 11/23
8:40 pm-1:25 am
1 stop6h 45m
Portland
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$106
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Missouri with our price prediction graph.
MCI-PDX
STL-PDX
SGF-PDX
COU-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 Portland
USMO-PDX
MCI-PDX
STL-PDX
SGF-PDX
COU-PDX
What is the cheapest month to book a flight from Missouri to Portland?
Currently, February is the cheapest month in which you can book a flight from Missouri to Portland (average of $232). Flying from Missouri to Portland in June is currently the most expensive (average of $438). 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 PDX?
Find hourly flight availability from Missouri to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 11, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 27% on flights from Missouri to Portland by exploring options for tickets in the afternoon.
How much does it cost to fly round-trip from Missouri to Portland?
Airfare is below average for this route at the moment.
Missouri to Portland flights typically cost between $339 and $497 in December.The cheapest round-trip price found within the last 5 days was $138 on Frontier (Dec 5-Dec 8).
How far ahead should I book a flight from Missouri to Portland?
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Missouri to Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Durham
Longview
Lake Oswego
Cannon Beach
Vancouver
Kelso
Troutdale
Lincoln City
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Hillsboro
Astoria
Gresham
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
Portland flight routes
Top destinations
Alternative routes for Missouri to Portland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Portland by cabin class
Find flights from Missouri to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Portland flights
Browse other Missouri and Portland flight options. Last updated on October 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 11, 2026.
Missouri to Portland flights
Consider these flights traveling from Missouri to Portland.
Top 7 airlines flying from Missouri to Portland
Discover the top 7 airlines that operate flights from Missouri to Portland. 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 7,457,451 searches. Data last updated October 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$261 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$362 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$158 | Average$419 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$176 | Average$374 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$188 | Average$318 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$418 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$236 | Average$404 | FlexibilityNo cancel fee | On-time69% |