$86+ Cheap flights from Missouri to Portland (PDX)
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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
May 8 — May 151
Round-trip
1 adult, Economy
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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 April 8, 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 April 8, 2026.
This CheapOair deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Thu 5/79:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Deal found 4/7![Frontier logo]()
$171
This CheapOair deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:06 pm
STL
- PDX
1 stop16h 57m
Frontier
Sun 4/2611:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 4/5![Frontier logo]()
$191
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Fri 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/7![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Mon 5/1812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Deal found 4/7![Frontier logo]()
$211
This CheapOair deal was found by Cheapflights users on 4/3. 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.
Wed 5/136:51 pm
STL
- PDX
1 stop28h 00m
Frontier
Mon 5/188:46 pm
PDX
- STL
1 stop19h 20m
Frontier
Deal found 4/3![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/4. 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.
Sat 4/252:51 pm
MCI
- PDX
1 stop21h 29m
Frontier
Sat 5/212:27 pm
PDX
- MCI
1 stop23h 03m
Frontier
Deal found 4/4![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/3. 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.
Thu 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Mon 5/118:46 pm
PDX
- STL
1 stop19h 20m
Frontier
Deal found 4/3![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- PDX
1 stop23h 37m
Frontier
Fri 5/19:54 am
PDX
- MCI
2 stops26h 12m
Frontier
Deal found 4/6![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Tue 6/25:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Deal found 4/8![Frontier logo]()
$255
This CheapOair deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/135:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Wed 5/2010:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$257
This Expedia deal was found by Cheapflights users on 4/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:36 pm
STL
- PDX
1 stop10h 15m
Multiple Airlines
Sat 5/1610:37 am
PDX
- STL
Nonstop4h 00m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:34 pm
MCI
- PDX
2 stops32h 17m
Frontier
Mon 5/1112:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Deal found 4/7![Frontier logo]()
$260
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 April 8, 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 April 8, 2026.
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 8/281:36 pm
STL
- PDX
1 stop6h 07m
United Airlines
Sat 9/512:50 pm
PDX
- STL
1 stop5h 49m
United Airlines
Deal found 4/5![United Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/123:12 pm
STL
- PDX
1 stop6h 38m
Alaska Airlines
Sat 9/1911:15 am
PDX
- STL
Nonstop3h 48m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 4/7. 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 5/287:05 pm
MCI
- PDX
1 stop7h 05m
Southwest
Mon 6/110:45 am
PDX
- MCI
2 stops10h 05m
Southwest
Deal found 4/7![Southwest logo]()
$332
This American Airlines deal was found by Cheapflights users on 4/8. 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 4/294:28 pm
COU
- PDX
1 stop9h 29m
American Airlines
Wed 5/611:47 pm
PDX
- COU
1 stop7h 59m
American Airlines
Deal found 4/8![American Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 4/6. 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.
Tue 6/2311:18 am
STL
- PDX
1 stop8h 19m
Delta
Sat 7/1112:35 am
PDX
- STL
1 stop7h 53m
Delta
Deal found 4/6![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/55:11 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Sat 5/910:45 am
PDX
- MCI
Nonstop3h 32m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Mon 5/46:15 am
MCI
- PDX
1 stop8h 28m
United Airlines
Mon 5/114:15 pm
PDX
- MCI
1 stop5h 44m
United Airlines
Deal found 4/4![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 4/4. 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.
Mon 5/44:55 pm
MCI
- PDX
1 stop9h 15m
Southwest
Mon 5/1110:40 am
PDX
- MCI
2 stops10h 45m
Southwest
Deal found 4/4![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 4/4. 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.
Thu 4/238:25 am
STL
- PDX
2 stops13h 45m
Southwest
Wed 5/1311:55 pm
PDX
- STL
1 stop7h 10m
Southwest
Deal found 4/4![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 4/4. 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.
Fri 5/291:59 pm
STL
- PDX
1 stop10h 03m
Delta
Wed 6/38:13 pm
PDX
- STL
2 stops10h 33m
Delta
Deal found 4/4![Delta logo]()
$387
This CheapOair deal was found by Cheapflights users on 4/8. 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.
Tue 7/287:58 pm
MCI
- PDX
1 stop5h 37m
Alaska Airlines
Tue 8/411:30 am
PDX
- MCI
Nonstop3h 23m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$362
This Southwest deal was found by Cheapflights users on 4/7. 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 5/62:55 pm
MCI
- PDX
2 stops8h 05m
Southwest
Mon 5/116:00 am
PDX
- MCI
2 stops14h 50m
Southwest
Deal found 4/7![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Wed 8/1211:30 am
COU
- PDX
2 stops11h 20m
United Airlines
Sat 8/1510:35 am
PDX
- COU
1 stop7h 55m
United Airlines
Deal found 4/8![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:50 pm
SGF
- PDX
1 stop8h 09m
United Airlines
Tue 5/1911:55 pm
PDX
- SGF
1 stop8h 45m
United Airlines
Deal found 4/5![United Airlines logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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.
Sat 8/15:50 pm
MCI
- PDX
Nonstop3h 56m
Alaska Airlines
Sat 8/811:30 am
PDX
- MCI
Nonstop3h 23m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 4/4. 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.
Wed 8/125:17 pm
COU
- PDX
1 stop7h 56m
American Airlines
Sat 8/156:35 am
PDX
- COU
2 stops10h 10m
American Airlines
Deal found 4/4![American Airlines logo]()
$482
This Southwest deal was found by Cheapflights users on 4/3. 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.
Wed 9/211:40 am
MCI
- PDX
2 stops8h 05m
Southwest
Sat 9/56:00 am
PDX
- MCI
1 stop7h 45m
Southwest
Deal found 4/3![Southwest logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
MCI
- PDX
1 stop7h 52m
Alaska Airlines
Wed 5/611:02 am
PDX
- MCI
2 stops10h 57m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 4/8. 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 7/35:33 pm
STL
- PDX
1 stop8h 29m
United Airlines
Fri 7/1011:40 pm
PDX
- STL
1 stop8h 54m
United Airlines
Deal found 4/8![United Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Wed 6/36:43 pm
SGF
- PDX
1 stop8h 07m
American Airlines
Wed 6/1010:59 pm
PDX
- SGF
1 stop9h 01m
American Airlines
Deal found 4/3![American Airlines logo]()
$498
This Southwest deal was found by Cheapflights users on 4/8. 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 5/810:45 am
MCI
- PDX
2 stops11h 35m
Southwest
Fri 5/1510:45 am
PDX
- MCI
2 stops10h 05m
Southwest
Deal found 4/8![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:05 am
SGF
- PDX
2 stops11h 55m
Delta
Tue 5/2611:12 pm
PDX
- SGF
2 stops13h 25m
Delta
Deal found 4/7![Delta logo]()
$526
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 8/195:32 pm
STL
- PDX
1 stop7h 37m
United Airlines
Tue 8/258:35 am
PDX
- STL
2 stops13h 15m
United Airlines
Deal found 4/5![United Airlines logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:44 am
STL
- PDX
2 stops14h 06m
Alaska Airlines
Sun 9/2710:37 am
PDX
- STL
1 stop9h 23m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 4/3. 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.
Thu 5/73:50 pm
STL
- PDX
2 stops11h 05m
Southwest
Mon 5/115:10 am
PDX
- STL
2 stops16h 15m
Southwest
Deal found 4/3![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/43:59 pm
SGF
- PDX
1 stop8h 03m
Delta
Mon 5/1111:12 pm
PDX
- SGF
2 stops10h 15m
Delta
Deal found 4/5![Delta logo]()
$529
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 8/282:20 pm
STL
- PDX
1 stop8h 25m
Southwest
Sat 9/59:00 am
PDX
- STL
2 stops8h 05m
Southwest
Deal found 4/5![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:30 am
COU
- PDX
1 stop9h 15m
United Airlines
Sat 5/1611:55 pm
PDX
- COU
1 stop9h 02m
United Airlines
Deal found 4/3![United Airlines logo]()
$458
This Delta deal was found by Cheapflights users on 4/4. 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 5/136:05 am
SGF
- PDX
2 stops13h 56m
Delta
Sun 5/1711:12 pm
PDX
- SGF
2 stops13h 25m
Delta
Deal found 4/4![Delta logo]()
$573
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:28 pm
JLN
- PDX
1 stop8h 41m
United Airlines
Sun 5/244:15 pm
PDX
- JLN
1 stop5h 29m
United Airlines
Deal found 4/6![United Airlines logo]()
$464
Last-minute flights from Missouri to PortlandDiscover last-minute flight deals from Missouri to Portland. Data last updated April 8, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Portland. Data last updated April 8, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:06 pm
STL
- PDX
1 stop16h 57m
Frontier
Sun 4/2611:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 4/5![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 4/4. 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.
Sat 4/252:51 pm
MCI
- PDX
1 stop21h 29m
Frontier
Sat 5/212:27 pm
PDX
- MCI
1 stop23h 03m
Frontier
Deal found 4/4![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MCI
- PDX
1 stop23h 37m
Frontier
Fri 5/19:54 am
PDX
- MCI
2 stops26h 12m
Frontier
Deal found 4/6![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Thu 5/79:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Deal found 4/7![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:34 pm
MCI
- PDX
2 stops32h 17m
Frontier
Mon 5/1112:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Deal found 4/7![Frontier logo]()
$260
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Fri 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/7![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 4/3. 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.
Thu 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Mon 5/118:46 pm
PDX
- STL
1 stop19h 20m
Frontier
Deal found 4/3![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 4/3. 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.
Wed 5/136:51 pm
STL
- PDX
1 stop28h 00m
Frontier
Mon 5/188:46 pm
PDX
- STL
1 stop19h 20m
Frontier
Deal found 4/3![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/135:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Wed 5/2010:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Mon 5/1812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Deal found 4/7![Frontier logo]()
$211
This Expedia deal was found by Cheapflights users on 4/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:36 pm
STL
- PDX
1 stop10h 15m
Multiple Airlines
Sat 5/1610:37 am
PDX
- STL
Nonstop4h 00m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Tue 6/25:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Deal found 4/8![Frontier logo]()
$255
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 April 8, 2026.
Search for one-way flight options from Missouri to Portland. Find affordable one-way fares based on user searches. Data last updated April 8, 2026.
This Frontier deal was found by Cheapflights users on 4/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 4/4![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Sat 5/28:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 4/4![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/302:15 pm
MCI
- PDX
1 stop22h 48m
Frontier
Deal found 4/4![Frontier logo]()
$102
This CheapOair deal was found by Cheapflights users on 4/4. 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.
Sat 4/182:51 pm
MCI
- PDX
1 stop21h 29m
Frontier
Deal found 4/4![Frontier logo]()
$106
This Trip.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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.
Sat 4/188:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 4/5![Frontier logo]()
$109
This Frontier deal was found by Cheapflights users on 4/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Deal found 4/4![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/72:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 4/5![Frontier logo]()
$113
This Trip.com deal was found by Cheapflights users on 4/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:51 pm
STL
- PDX
1 stop17h 29m
Frontier
Deal found 4/3![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Fri 5/17:01 pm
STL
- PDX
2 stops18h 41m
Frontier
Deal found 4/4![Frontier logo]()
$116
This CheapOair deal was found by Cheapflights users on 4/4. 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 5/66:51 pm
STL
- PDX
1 stop28h 00m
Frontier
Deal found 4/4![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Fri 5/12:15 pm
MCI
- PDX
1 stop23h 27m
Frontier
Deal found 4/4![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:06 pm
STL
- PDX
1 stop16h 57m
Frontier
Deal found 4/7![Frontier logo]()
$121
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 April 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (CheapOair) |
One-way from | $86 (Frontier) |
Popular in | November |
Cheapest in | January |
Average price | $322 |
Good round-trip deal | $289 or less |
Good one-way deal | $144 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 2,558,603 searches. Data last updated April 8, 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 - PDX
STLPDX
Lambert-St Louis
Fri 8/28
1:36 pm-5:43 pm
1 stop6h 07m
Portland
Sat 9/5
12:50 pm-8:39 pm
1 stop5h 49m
$309
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 9/12
3:12 pm-7:50 pm
1 stop6h 38m
Portland
Sat 9/19
11:15 am-5:03 pm
Nonstop3h 48m
$312
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Tue 5/5
5:11 pm-7:03 pm
Nonstop3h 52m
Portland
Sat 5/9
10:45 am-4:17 pm
Nonstop3h 32m
$317
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Mon 5/4
6:15 am-12:43 pm
1 stop8h 28m
Portland
Mon 5/11
4:15 pm-11:59 pm
1 stop5h 44m
$322
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Thu 5/28
7:05 pm-12:10 am
1 stop7h 05m
Portland
Mon 6/1
10:45 am-10:50 pm
2 stops10h 05m
$332
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Mon 5/4
4:55 pm-12:10 am
1 stop9h 15m
Portland
Mon 5/11
10:40 am-11:25 pm
2 stops10h 45m
$332
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 4/23
8:25 am-8:10 pm
2 stops13h 45m
Portland
Wed 5/13
11:55 pm-9:05 am
1 stop7h 10m
$338
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Wed 5/6
2:55 pm-9:00 pm
2 stops8h 05m
Portland
Mon 5/11
6:00 am-10:50 pm
2 stops14h 50m
$343
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Tue 7/28
7:58 pm-11:35 pm
1 stop5h 37m
Portland
Tue 8/4
11:30 am-4:53 pm
Nonstop3h 23m
$362
Kansas CityPortland
MCI - PDX
MCIPDX
Kansas City
Wed 9/2
11:40 am-5:45 pm
2 stops8h 05m
Portland
Sat 9/5
6:00 am-3:45 pm
1 stop7h 45m
$377
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.
STL-PDX
MCI-PDX
SGF-PDX
JLN-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
STL-PDX
MCI-PDX
SGF-PDX
JLN-PDX
What is the cheapest month to book a flight from Missouri to Portland?
Currently, August is the cheapest month in which you can book a flight from Missouri to Portland (average of $106). Flying from Missouri to Portland in June is currently the most expensive (average of $213). 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 April 8, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Portland as you normally would.
How much does it cost to fly round-trip from Missouri to Portland?
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
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Pacific City
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.
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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 April 8, 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 April 8, 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 2,558,603 searches. Data last updated April 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$327 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$112 | Average$231 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$173 | Average$361 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$177 | Average$327 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$188 | Average$418 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$376 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$212 | Average$413 | FlexibilityNo cancel fee | On-time69% |