$83+ Cheap flights from Portland (PDX) to Missouri
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
Apr 12 — Apr 191
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Missouri with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Portland to MissouriExplore the most affordable flight options available from Portland to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
Explore the most affordable flight options available from Portland to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:28 pm
PDX
- STL
1 stop28h 53m
Frontier
Sat 4/258:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 3/10![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:28 pm
PDX
- STL
1 stop28h 53m
Frontier
Mon 4/278:17 pm
STL
- PDX
1 stop17h 35m
Frontier
Deal found 3/10![Frontier logo]()
$156
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:15 am
PDX
- MCI
1 stop7h 35m
Southwest
Tue 5/57:00 am
MCI
- PDX
1 stop7h 55m
Southwest
Deal found 3/11![Southwest logo]()
$181
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 5/96:25 am
PDX
- MCI
2 stops8h 50m
Southwest
Tue 5/1210:25 am
MCI
- PDX
2 stops12h 20m
Southwest
Deal found 3/11![Southwest logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Fri 4/1011:58 am
PDX
- STL
1 stop19h 50m
Frontier
Mon 4/138:19 pm
STL
- PDX
1 stop18h 43m
Frontier
Deal found 3/8![Frontier logo]()
$194
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Tue 5/195:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Wed 5/61:48 pm
PDX
- STL
1 stop27h 24m
Frontier
Mon 5/118:12 pm
STL
- PDX
1 stop18h 50m
Frontier
Deal found 3/8![Frontier logo]()
$199
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:48 am
PDX
- STL
1 stop5h 33m
Frontier
Sat 4/188:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 3/9![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:28 pm
PDX
- STL
2 stops20h 02m
Frontier
Sat 4/188:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 3/10![Frontier logo]()
$214
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:45 am
PDX
- MCI
Nonstop3h 32m
Alaska Airlines
Wed 4/295:11 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:15 am
PDX
- MCI
1 stop9h 08m
United Airlines
Wed 4/155:18 pm
MCI
- PDX
1 stop5h 56m
United Airlines
Deal found 3/12![United Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 3/9. 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 4/227:32 pm
PDX
- MCI
2 stops12h 17m
Delta
Tue 4/287:06 am
MCI
- PDX
2 stops12h 04m
Delta
Deal found 3/9![Delta logo]()
$237
Best flights from Portland to MissouriDiscover carefully curated flight deals from Portland to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
Discover carefully curated flight deals from Portland to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/258:45 am
PDX
- MCI
1 stop13h 14m
Alaska Airlines
Sat 5/25:11 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$227
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 4/287:15 am
PDX
- MCI
1 stop9h 08m
United Airlines
Wed 4/296:30 am
MCI
- PDX
1 stop8h 04m
United Airlines
Deal found 3/10![United Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 3/8. 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.
Wed 6/35:05 pm
PDX
- STL
1 stop5h 25m
Delta
Tue 6/95:30 pm
STL
- PDX
1 stop8h 04m
Delta
Deal found 3/8![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:50 pm
PDX
- MCI
1 stop6h 45m
Southwest
Tue 5/123:30 pm
MCI
- PDX
1 stop9h 40m
Southwest
Deal found 3/9![Southwest logo]()
$283
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
PDX
- STL
1 stop9h 21m
American Airlines
Sun 4/195:20 am
STL
- PDX
1 stop7h 41m
American Airlines
Deal found 3/12![American Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:35 pm
PDX
- STL
1 stop8h 24m
Alaska Airlines
Wed 4/157:00 am
STL
- PDX
1 stop7h 35m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 3/8. 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 4/1612:30 am
PDX
- MCI
1 stop6h 06m
Delta
Tue 5/127:26 am
MCI
- PDX
1 stop7h 02m
Delta
Deal found 3/8![Delta logo]()
$273
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:40 pm
PDX
- STL
1 stop8h 01m
United Airlines
Mon 7/65:10 am
STL
- PDX
1 stop6h 37m
United Airlines
Deal found 3/11![United Airlines logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 3/313:42 pm
PDX
- MCI
1 stop6h 17m
Alaska Airlines
Wed 4/85:50 pm
MCI
- PDX
Nonstop3h 51m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$263
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:45 am
PDX
- MCI
2 stops10h 05m
Southwest
Sun 5/318:40 pm
MCI
- PDX
1 stop6h 35m
Southwest
Deal found 3/9![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:05 pm
PDX
- STL
2 stops13h 37m
Delta
Wed 4/296:45 pm
STL
- PDX
1 stop7h 08m
Delta
Deal found 3/10![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Fri 6/1911:48 pm
PDX
- STL
1 stop6h 53m
United Airlines
Sun 6/215:10 am
STL
- PDX
1 stop6h 38m
United Airlines
Deal found 3/10![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/2211:47 pm
PDX
- COU
1 stop7h 59m
American Airlines
Fri 5/14:28 pm
COU
- PDX
1 stop8h 28m
American Airlines
Deal found 3/8![American Airlines logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:52 pm
PDX
- MCI
1 stop8h 07m
Alaska Airlines
Wed 4/292:58 pm
MCI
- PDX
1 stop6h 36m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 3/8. 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.
Wed 3/255:02 pm
PDX
- MCI
1 stop5h 44m
Delta
Sun 4/196:00 am
MCI
- PDX
1 stop8h 49m
Delta
Deal found 3/8![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/129:20 pm
PDX
- STL
1 stop8h 50m
Southwest
Mon 6/226:30 pm
STL
- PDX
1 stop7h 25m
Southwest
Deal found 3/12![Southwest logo]()
$327
This American Airlines deal was found by Cheapflights users on 3/7. 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 4/2211:47 pm
PDX
- SGF
1 stop8h 04m
American Airlines
Thu 4/306:05 pm
SGF
- PDX
1 stop7h 52m
American Airlines
Deal found 3/7![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 3/8. 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.
Wed 7/2912:40 am
PDX
- MCI
1 stop5h 58m
Delta
Mon 8/33:45 pm
MCI
- PDX
1 stop8h 37m
Delta
Deal found 3/8![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 3/307:14 pm
PDX
- STL
1 stop8h 36m
United Airlines
Thu 4/26:05 pm
STL
- PDX
1 stop6h 49m
United Airlines
Deal found 3/8![United Airlines logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:45 am
PDX
- MCI
1 stop13h 14m
Alaska Airlines
Tue 5/125:11 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:10 pm
PDX
- MCI
1 stop8h 46m
Delta
Mon 4/63:50 pm
MCI
- PDX
1 stop8h 33m
Delta
Deal found 3/10![Delta logo]()
$293
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 4/147:14 pm
PDX
- STL
2 stops11h 11m
United Airlines
Wed 4/156:05 pm
STL
- PDX
1 stop6h 49m
United Airlines
Deal found 3/10![United Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:05 pm
PDX
- STL
2 stops13h 37m
Delta
Mon 4/276:45 pm
STL
- PDX
1 stop7h 08m
Delta
Deal found 3/10![Delta logo]()
$308
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 8/1910:35 am
PDX
- SGF
1 stop8h 09m
United Airlines
Sun 8/235:40 am
SGF
- PDX
2 stops8h 27m
United Airlines
Deal found 3/11![United Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 5/2912:40 am
PDX
- SGF
1 stop7h 50m
American Airlines
Sun 6/76:48 pm
SGF
- PDX
1 stop8h 02m
American Airlines
Deal found 3/12![American Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 3/304:15 pm
PDX
- JLN
1 stop5h 29m
United Airlines
Thu 4/98:56 am
JLN
- PDX
1 stop8h 13m
United Airlines
Deal found 3/12![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:47 pm
PDX
- COU
1 stop7h 59m
American Airlines
Sun 4/196:00 am
COU
- PDX
1 stop18h 56m
American Airlines
Deal found 3/11![American Airlines logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:27 pm
PDX
- SGF
2 stops18h 00m
Alaska Airlines
Fri 5/82:33 pm
SGF
- PDX
2 stops21h 15m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$455
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Thu 7/94:15 pm
PDX
- JLN
1 stop5h 29m
United Airlines
Wed 7/151:57 pm
JLN
- PDX
1 stop5h 47m
United Airlines
Deal found 3/8![United Airlines logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:48 am
PDX
- SGF
1 stop7h 58m
Alaska Airlines
Thu 4/302:33 pm
SGF
- PDX
2 stops21h 15m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$474
Last-minute flights from Portland to MissouriDiscover last-minute flight deals from Portland to Missouri. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Missouri. Data last updated March 13, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 3/10. 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.
Wed 4/111:55 pm
PDX
- MCI
1 stop7h 20m
Southwest
Wed 4/1510:25 am
MCI
- PDX
2 stops12h 20m
Southwest
Deal found 3/10![Southwest logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 4/12:42 pm
PDX
- MCI
1 stop7h 17m
Alaska Airlines
Sat 5/25:11 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:15 am
PDX
- MCI
1 stop9h 08m
United Airlines
Wed 4/155:18 pm
MCI
- PDX
1 stop5h 56m
United Airlines
Deal found 3/12![United Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Fri 4/1011:58 am
PDX
- STL
1 stop19h 50m
Frontier
Mon 4/138:19 pm
STL
- PDX
1 stop18h 43m
Frontier
Deal found 3/8![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:28 pm
PDX
- STL
1 stop28h 53m
Frontier
Sat 4/258:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 3/10![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:28 pm
PDX
- STL
1 stop28h 53m
Frontier
Mon 4/278:17 pm
STL
- PDX
1 stop17h 35m
Frontier
Deal found 3/10![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:28 pm
PDX
- STL
2 stops20h 02m
Frontier
Sat 4/188:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 3/10![Frontier logo]()
$214
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:48 am
PDX
- STL
1 stop5h 33m
Frontier
Sat 4/188:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 3/9![Frontier logo]()
$201
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:52 pm
PDX
- STL
1 stop7h 07m
American Airlines
Wed 4/295:21 pm
STL
- PDX
1 stop7h 35m
American Airlines
Deal found 3/9![American Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 3/9. 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 4/227:32 pm
PDX
- MCI
2 stops12h 17m
Delta
Tue 4/287:06 am
MCI
- PDX
2 stops12h 04m
Delta
Deal found 3/9![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:45 am
PDX
- MCI
Nonstop3h 32m
Alaska Airlines
Wed 4/295:11 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:15 am
PDX
- MCI
1 stop7h 35m
Southwest
Tue 5/57:00 am
MCI
- PDX
1 stop7h 55m
Southwest
Deal found 3/11![Southwest logo]()
$181
One-way flights from Portland to MissouriSearch for one-way flight options from Portland to Missouri. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
Search for one-way flight options from Portland to Missouri. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:48 am
PDX
- MCI
1 stop24h 18m
Frontier
Deal found 3/10![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:28 pm
PDX
- STL
1 stop28h 53m
Frontier
Deal found 3/9![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:48 am
PDX
- STL
1 stop29h 24m
Frontier
Deal found 3/9![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:48 pm
PDX
- MCI
1 stop21h 42m
Frontier
Deal found 3/9![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:15 am
PDX
- STL
1 stop30h 17m
Frontier
Deal found 3/9![Frontier logo]()
$90
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
Mon 5/412:59 am
PDX
- MCI
1 stop7h 16m
American Airlines
Deal found 3/11![American Airlines logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:58 am
PDX
- MCI
1 stop30h 00m
Frontier
Deal found 3/11![Frontier logo]()
$95
This Priceline deal was found by Cheapflights users on 3/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:48 am
PDX
- STL
1 stop5h 44m
Frontier
Deal found 3/9![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:58 am
PDX
- MCI
1 stop6h 00m
Frontier
Deal found 3/10![Frontier logo]()
$96
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 5/2010:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:58 am
PDX
- MCI
1 stop6h 00m
Frontier
Deal found 3/9![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:58 am
PDX
- STL
1 stop19h 50m
Frontier
Deal found 3/9![Frontier logo]()
$102
Find flight deals from Portland to Missouri
Keep the following information in mind while searching for Portland to Missouri flight deals. Data was last updated March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $153 (Kiwi.com) |
One-way from | $83 (Kiwi.com) |
Popular in | March |
Cheapest in | November |
Average price | $472 |
Good round-trip deal | $229 or less |
Good one-way deal | $153 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 13, 2026.
Use the filters below to find and compare flights from Portland to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Sat 4/25
8:45 am-11:59 pm
1 stop13h 14m
Kansas City
Sat 5/2
5:11 pm-7:03 pm
Nonstop3h 52m
$227
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Tue 4/28
7:15 am-6:23 pm
1 stop9h 08m
Kansas City
Wed 4/29
6:30 am-12:34 pm
1 stop8h 04m
$252
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 4/14
1:35 pm-11:59 pm
1 stop8h 24m
Lambert-St Louis
Wed 4/15
7:00 am-12:35 pm
1 stop7h 35m
$257
Quickest round-trip
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Tue 3/31
3:42 pm-11:59 pm
1 stop6h 17m
Kansas City
Wed 4/8
5:50 pm-7:41 pm
Nonstop3h 51m
$263
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Wed 6/3
5:05 pm-12:30 am
1 stop5h 25m
Lambert-St Louis
Tue 6/9
5:30 pm-11:34 pm
1 stop8h 04m
$269
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Thu 4/16
12:30 am-8:36 am
1 stop6h 06m
Kansas City
Tue 5/12
7:26 am-12:28 pm
1 stop7h 02m
$273
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Mon 4/13
6:05 pm-9:42 am
2 stops13h 37m
Lambert-St Louis
Wed 4/29
6:45 pm-11:53 pm
1 stop7h 08m
$282
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Tue 4/28
1:52 pm-11:59 pm
1 stop8h 07m
Kansas City
Wed 4/29
2:58 pm-7:34 pm
1 stop6h 36m
$282
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Fri 5/8
2:50 pm-11:35 pm
1 stop6h 45m
Kansas City
Tue 5/12
3:30 pm-11:10 pm
1 stop9h 40m
$283
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Thu 7/2
10:40 pm-8:41 am
1 stop8h 01m
Lambert-St Louis
Mon 7/6
5:10 am-9:47 am
1 stop6h 37m
$289
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Portland to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Portland with our price prediction graph.
PDX-MCI
PDX-STL
PDX-SGF
PDX-COU
PDX-JLN
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 Portland to Missouri
PDX-USMO
PDX-MCI
PDX-STL
PDX-SGF
PDX-COU
What is the cheapest month to book a flight from Portland to Missouri?
Currently, February is the cheapest month in which you can book a flight from Portland to Missouri (average of $98). Flying from Portland to Missouri in June is currently the most expensive (average of $229). 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 PDX to MO?
Find hourly flight availability from Portland to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 13, 2026.
When flying from Portland to Missouri, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Missouri
Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated March 13, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta from Portland to Missouri by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Food
7.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Overall
8.0
Food
7.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Overall
8.0
Food
7.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Overall
8.0
Food
7.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Overall
8.0
Food
7.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Overall
8.0
Food
7.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Portland to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portland to Missouri
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Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Missouri by cabin class
Find flights from Portland to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Missouri flights
Browse other Portland and Missouri flight options. Last updated on March 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Missouri flights
Consider these flights traveling from Portland to Missouri.
Top 7 airlines flying from Portland to Missouri
Discover the top 7 airlines that operate flights from Portland to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$331 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$376 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$347 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$207 | Average$386 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$398 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$226 | Average$408 | FlexibilityNo cancel fee | On-time71% |