$96+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MCI
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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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 July 7, 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 July 7, 2026.
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 8/1511:40 am
PDX
- MCI
Nonstop3h 20m
Southwest
Sat 8/221:35 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 7/7![Southwest logo]()
$198
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 8/229:00 am
PDX
- STL
1 stop7h 25m
Southwest
Sat 8/298:30 am
STL
- PDX
Nonstop4h 10m
Southwest
Deal found 7/7![Southwest logo]()
$201
This Delta deal was found by Cheapflights users on 7/7. 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.
Mon 8/1012:35 am
PDX
- STL
1 stop7h 48m
Delta
Tue 8/187:45 pm
STL
- PDX
1 stop5h 54m
Delta
Deal found 7/7![Delta logo]()
$211
This Southwest deal was found by Cheapflights users on 7/7. 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 8/3110:45 pm
PDX
- STL
1 stop9h 20m
Southwest
Wed 9/211:55 am
STL
- PDX
1 stop8h 20m
Southwest
Deal found 7/7![Southwest logo]()
$212
This Delta deal was found by Cheapflights users on 7/7. 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 11/121:00 pm
PDX
- MCI
1 stop8h 08m
Delta
Mon 11/237:40 pm
MCI
- PDX
1 stop6h 11m
Delta
Deal found 7/7![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 7/7. 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 8/133:25 pm
PDX
- MCI
1 stop6h 20m
Southwest
Mon 8/177:15 pm
MCI
- PDX
1 stop6h 00m
Southwest
Deal found 7/7![Southwest logo]()
$218
This Southwest deal was found by Cheapflights users on 7/6. 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 9/1611:35 am
PDX
- MCI
2 stops8h 45m
Southwest
Mon 9/214:55 pm
MCI
- PDX
1 stop6h 20m
Southwest
Deal found 7/6![Southwest logo]()
$223
This Southwest deal was found by Cheapflights users on 7/7. 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 8/196:25 pm
PDX
- STL
1 stop13h 25m
Southwest
Mon 8/246:25 pm
STL
- PDX
1 stop6h 40m
Southwest
Deal found 7/7![Southwest logo]()
$235
This Delta deal was found by Cheapflights users on 7/7. 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 11/65:15 pm
PDX
- STL
1 stop5h 19m
Delta
Wed 11/116:30 am
STL
- PDX
1 stop7h 59m
Delta
Deal found 7/7![Delta logo]()
$238
This Frontier deal was found by Cheapflights users on 7/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Mon 10/512:46 pm
STL
- PDX
1 stop9h 53m
Frontier
Deal found 7/3![Frontier logo]()
$240
This Delta deal was found by Cheapflights users on 7/7. 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 11/131:38 pm
PDX
- MCI
1 stop7h 22m
Delta
Mon 11/237:40 pm
MCI
- PDX
1 stop6h 11m
Delta
Deal found 7/7![Delta logo]()
$245
This United Airlines deal was found by Cheapflights users on 7/7. 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 8/48:35 am
PDX
- STL
1 stop7h 42m
United Airlines
Wed 8/57:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Deal found 7/7![United Airlines logo]()
$245
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 July 7, 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 July 7, 2026.
This Southwest deal was found by Cheapflights users on 7/7. 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 8/196:25 pm
PDX
- STL
1 stop13h 25m
Southwest
Mon 8/246:25 pm
STL
- PDX
1 stop6h 40m
Southwest
Deal found 7/7![Southwest logo]()
$235
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 9/811:09 pm
PDX
- SGF
1 stop8h 59m
American Airlines
Tue 9/156:49 pm
SGF
- PDX
1 stop6h 34m
American Airlines
Deal found 7/3![American Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 7/6. 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.
Thu 9/312:35 am
PDX
- STL
1 stop7h 48m
Delta
Wed 9/95:00 pm
STL
- PDX
1 stop7h 31m
Delta
Deal found 7/6![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 7/3. 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 9/110:50 am
PDX
- STL
2 stops9h 10m
United Airlines
Wed 11/44:40 pm
STL
- PDX
1 stop6h 28m
United Airlines
Deal found 7/3![United Airlines logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:20 am
PDX
- MCI
1 stop5h 32m
Alaska Airlines
Wed 9/27:00 am
MCI
- PDX
1 stop8h 10m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 8/229:00 am
PDX
- STL
1 stop9h 20m
Southwest
Sun 8/239:55 pm
STL
- PDX
Nonstop4h 10m
Southwest
Deal found 7/7![Southwest logo]()
$255
This Delta deal was found by Cheapflights users on 7/5. 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.
Thu 8/205:08 pm
PDX
- MCI
1 stop5h 05m
Delta
Sun 8/231:31 pm
MCI
- PDX
1 stop10h 13m
Delta
Deal found 7/5![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 7/6. 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.
Sat 8/15:25 am
PDX
- MCI
1 stop7h 25m
Southwest
Sun 8/98:00 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 7/6![Southwest logo]()
$319
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:20 pm
PDX
- MCI
1 stop8h 25m
Delta
Mon 9/75:40 pm
MCI
- PDX
1 stop7h 40m
Delta
Deal found 7/2![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Tue 8/44:15 pm
PDX
- STL
1 stop5h 42m
United Airlines
Tue 8/115:10 am
STL
- PDX
2 stops8h 50m
United Airlines
Deal found 7/5![United Airlines logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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.
Wed 8/1210:49 am
PDX
- STL
Nonstop3h 48m
Alaska Airlines
Wed 8/125:37 pm
STL
- PDX
Nonstop4h 10m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:10 am
PDX
- MCI
2 stops7h 00m
Southwest
Sat 8/2912:40 pm
MCI
- PDX
1 stop9h 35m
Southwest
Deal found 7/4![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 7/6. 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 8/512:35 am
PDX
- MCI
1 stop5h 59m
Delta
Mon 8/105:40 pm
MCI
- PDX
1 stop7h 40m
Delta
Deal found 7/6![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/6. 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 7/2211:15 pm
PDX
- COU
1 stop8h 46m
American Airlines
Sun 7/265:19 pm
COU
- PDX
1 stop7h 32m
American Airlines
Deal found 7/6![American Airlines logo]()
$408
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 9/2910:32 am
PDX
- STL
1 stop8h 20m
Alaska Airlines
Wed 9/3010:14 am
STL
- PDX
1 stop8h 19m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 7/6. 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.
Sat 8/811:20 am
PDX
- MCI
1 stop6h 05m
Southwest
Sun 8/97:50 pm
MCI
- PDX
1 stop6h 05m
Southwest
Deal found 7/6![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:00 am
PDX
- SGF
2 stops12h 42m
United Airlines
Sat 8/295:30 am
SGF
- PDX
1 stop6h 02m
United Airlines
Deal found 7/4![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 7/4. 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 10/13:30 pm
PDX
- MCI
1 stop6h 20m
Southwest
Sun 10/42:05 pm
MCI
- PDX
2 stops10h 15m
Southwest
Deal found 7/4![Southwest logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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.
Fri 7/3110:49 am
PDX
- STL
Nonstop3h 48m
Alaska Airlines
Mon 8/35:37 pm
STL
- PDX
Nonstop4h 10m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Tue 9/298:40 am
PDX
- STL
2 stops10h 41m
United Airlines
Wed 9/304:39 pm
STL
- PDX
1 stop6h 31m
United Airlines
Deal found 7/4![United Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:40 am
PDX
- MCI
Nonstop3h 20m
Southwest
Fri 8/146:00 am
MCI
- PDX
1 stop7h 40m
Southwest
Deal found 7/2![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Sat 8/292:27 pm
PDX
- COU
1 stop6h 28m
United Airlines
Tue 9/16:15 am
COU
- PDX
1 stop7h 13m
United Airlines
Deal found 7/5![United Airlines logo]()
$438
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 8/159:00 am
PDX
- MCI
2 stops9h 00m
Southwest
Sat 8/228:25 am
MCI
- PDX
2 stops11h 55m
Southwest
Deal found 7/7![Southwest logo]()
$357
This Southwest deal was found by Cheapflights users on 7/4. 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 8/612:40 pm
PDX
- MCI
2 stops9h 30m
Southwest
Sun 8/96:25 am
MCI
- PDX
1 stop6h 55m
Southwest
Deal found 7/4![Southwest logo]()
$358
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Tue 8/412:50 pm
PDX
- COU
1 stop5h 49m
United Airlines
Tue 8/1110:49 am
COU
- PDX
2 stops12h 16m
United Airlines
Deal found 7/5![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 7/6. 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.
Wed 8/127:10 am
PDX
- SGF
1 stop9h 45m
United Airlines
Mon 8/175:30 am
SGF
- PDX
1 stop6h 02m
United Airlines
Deal found 7/6![United Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 7/4. 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.
Fri 8/710:45 pm
PDX
- STL
2 stops12h 40m
Southwest
Mon 8/106:15 pm
STL
- PDX
1 stop6h 50m
Southwest
Deal found 7/4![Southwest logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:40 pm
PDX
- SGF
2 stops22h 24m
Alaska Airlines
Wed 7/299:30 am
SGF
- PDX
2 stops13h 01m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$629
This United Airlines deal was found by Cheapflights users on 7/7. 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 9/159:00 am
PDX
- SGF
2 stops12h 42m
United Airlines
Sat 9/195:30 am
SGF
- PDX
1 stop6h 02m
United Airlines
Deal found 7/7![United Airlines logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:40 pm
PDX
- SGF
2 stops22h 24m
Alaska Airlines
Wed 7/223:37 pm
SGF
- PDX
2 stops19h 52m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$629
Last-minute flights from Portland to MissouriDiscover last-minute flight deals from Portland to Missouri. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Missouri. Data last updated July 7, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:21 pm
PDX
- STL
1 stop24h 02m
Frontier
Wed 7/297:03 pm
STL
- PDX
1 stop25h 01m
Frontier
Deal found 7/4![Frontier logo]()
$259
This United Airlines deal was found by Cheapflights users on 7/7. 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 8/48:35 am
PDX
- STL
1 stop7h 42m
United Airlines
Wed 8/57:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Deal found 7/7![United Airlines logo]()
$245
This Delta deal was found by Cheapflights users on 7/7. 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.
Mon 8/1012:35 am
PDX
- STL
1 stop7h 48m
Delta
Tue 8/187:45 pm
STL
- PDX
1 stop5h 54m
Delta
Deal found 7/7![Delta logo]()
$211
This Southwest deal was found by Cheapflights users on 7/7. 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 8/133:25 pm
PDX
- MCI
1 stop6h 20m
Southwest
Mon 8/177:15 pm
MCI
- PDX
1 stop6h 00m
Southwest
Deal found 7/7![Southwest logo]()
$218
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 8/1511:40 am
PDX
- MCI
Nonstop3h 20m
Southwest
Sat 8/221:35 pm
MCI
- PDX
Nonstop3h 35m
Southwest
Deal found 7/7![Southwest logo]()
$198
This Mytrip deal was found by Cheapflights users on 7/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:49 pm
PDX
- MCI
1 stop18h 58m
Frontier
Sat 8/221:38 pm
MCI
- PDX
1 stop5h 33m
Frontier
Deal found 7/6![Frontier logo]()
$260
This Southwest deal was found by Cheapflights users on 7/7. 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 8/196:25 pm
PDX
- STL
1 stop13h 25m
Southwest
Mon 8/246:25 pm
STL
- PDX
1 stop6h 40m
Southwest
Deal found 7/7![Southwest logo]()
$235
This CheapOair deal was found by Cheapflights users on 7/7. 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 8/201:47 pm
PDX
- STL
1 stop26h 03m
Frontier
Sun 8/236:45 pm
STL
- PDX
1 stop24h 36m
Frontier
Deal found 7/7![Frontier logo]()
$250
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 8/229:00 am
PDX
- STL
1 stop7h 25m
Southwest
Sat 8/298:30 am
STL
- PDX
Nonstop4h 10m
Southwest
Deal found 7/7![Southwest logo]()
$201
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 8/229:00 am
PDX
- STL
1 stop9h 20m
Southwest
Sun 8/239:55 pm
STL
- PDX
Nonstop4h 10m
Southwest
Deal found 7/7![Southwest logo]()
$255
This Frontier deal was found by Cheapflights users on 7/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:20 pm
PDX
- MCI
1 stop22h 33m
Frontier
Sat 8/291:38 pm
MCI
- PDX
1 stop5h 33m
Frontier
Deal found 7/3![Frontier logo]()
$261
This Southwest deal was found by Cheapflights users on 7/7. 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 8/3110:45 pm
PDX
- STL
1 stop9h 20m
Southwest
Wed 9/211:55 am
STL
- PDX
1 stop8h 20m
Southwest
Deal found 7/7![Southwest logo]()
$212
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 July 7, 2026.
Search for one-way flight options from Portland to Missouri. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 9/59:45 am
PDX
- STL
Nonstop3h 45m
Southwest
Deal found 7/7![Southwest logo]()
$96
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 9/511:40 am
PDX
- MCI
Nonstop3h 20m
Southwest
Deal found 7/7![Southwest logo]()
$99
This Southwest deal was found by Cheapflights users on 7/7. 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.
Sat 8/229:00 am
PDX
- STL
1 stop9h 20m
Southwest
Deal found 7/7![Southwest logo]()
$106
This American Airlines deal was found by Cheapflights users on 7/7. 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 8/511:34 pm
PDX
- MCI
1 stop7h 06m
American Airlines
Deal found 7/7![American Airlines logo]()
$109
This Southwest deal was found by Cheapflights users on 7/7. 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 9/2912:30 pm
PDX
- MCI
2 stops8h 40m
Southwest
Deal found 7/7![Southwest logo]()
$114
This Southwest deal was found by Cheapflights users on 7/7. 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 9/711:30 pm
PDX
- STL
1 stop8h 05m
Southwest
Deal found 7/7![Southwest logo]()
$123
This Frontier deal was found by Cheapflights users on 7/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Deal found 7/7![Frontier logo]()
$126
This Trip.com deal was found by Cheapflights users on 7/3. 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.
Fri 8/145:49 pm
PDX
- STL
1 stop22h 26m
Frontier
Deal found 7/3![Frontier logo]()
$129
This Mytrip deal was found by Cheapflights users on 7/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:22 pm
PDX
- STL
1 stop25h 53m
Frontier
Deal found 7/4![Frontier logo]()
$130
This CheapOair deal was found by Cheapflights users on 7/7. 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.
Fri 7/315:49 pm
PDX
- STL
1 stop22h 26m
Frontier
Deal found 7/7![Frontier logo]()
$131
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Fri 10/237:02 am
PDX
- STL
1 stop6h 41m
United Airlines
Deal found 7/7![United Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:21 pm
PDX
- STL
1 stop24h 02m
Frontier
Deal found 7/4![Frontier logo]()
$134
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 July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $198 (Southwest) |
One-way from | $96 (Southwest) |
Popular in | July |
Cheapest in | November |
Average price | $418 |
Good round-trip deal | $377 or less |
Good one-way deal | $229 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 July 7, 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
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Wed 8/19
6:25 pm-9:50 am
1 stop13h 25m
Lambert-St Louis
Mon 8/24
6:25 pm-11:05 pm
1 stop6h 40m
$235
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Sat 8/22
9:00 am-8:20 pm
1 stop9h 20m
Lambert-St Louis
Sun 8/23
9:55 pm-12:05 am
Nonstop4h 10m
$255
PortlandSpringfield
PDX - SGF
PDXSGF
Portland
Tue 9/8
11:09 pm-10:08 am
1 stop8h 59m
Springfield-Branson
Tue 9/15
6:49 pm-11:23 pm
1 stop6h 34m
$313
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Thu 9/3
12:35 am-10:23 am
1 stop7h 48m
Lambert-St Louis
Wed 9/9
5:00 pm-10:31 pm
1 stop7h 31m
$318
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Sat 8/1
5:25 am-2:50 pm
1 stop7h 25m
Kansas City
Sun 8/9
8:00 pm-9:35 pm
Nonstop3h 35m
$319
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 9/1
10:50 am-10:00 pm
2 stops9h 10m
Lambert-St Louis
Wed 11/4
4:40 pm-9:08 pm
1 stop6h 28m
$322
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Sat 8/22
6:10 am-3:10 pm
2 stops7h 00m
Kansas City
Sat 8/29
12:40 pm-8:15 pm
1 stop9h 35m
$322
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Thu 8/20
5:08 pm-12:13 am
1 stop5h 05m
Kansas City
Sun 8/23
1:31 pm-9:44 pm
1 stop10h 13m
$329
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Fri 9/4
11:20 pm-9:45 am
1 stop8h 25m
Kansas City
Mon 9/7
5:40 pm-11:20 pm
1 stop7h 40m
$329
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Wed 8/5
12:35 am-8:34 am
1 stop5h 59m
Kansas City
Mon 8/10
5:40 pm-11:20 pm
1 stop7h 40m
$329
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-STL
PDX-MCI
PDX-SGF
PDX-COU
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-STL
PDX-MCI
PDX-SGF
PDX-COU
What is the cheapest month to book a flight from Portland to Missouri?
Currently, December is the cheapest month in which you can book a flight from Portland to Missouri (average of $75). Flying from Portland to Missouri in July is currently the most expensive (average of $210). 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 July 7, 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.
How much does it cost to fly round-trip from Portland to Missouri?
How far ahead should I book a flight from Portland to Missouri?
Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Missouri. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 July 7, 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.
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
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 July 7, 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 July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$287 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$336 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$421 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$237 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$196 | Average$392 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$412 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$394 | FlexibilityNo cancel fee | On-time71% |