$72+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
May 9 — May 161
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Missouri with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 April 9, 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 April 9, 2026.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:48 am
PDX
- MCI
1 stop24h 18m
Frontier
Mon 4/272:15 pm
MCI
- PDX
1 stop23h 37m
Frontier
Deal found 4/7![Frontier logo]()
$196
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 5/812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Wed 5/132:34 pm
MCI
- PDX
2 stops23h 16m
Frontier
Deal found 4/4![Frontier logo]()
$220
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 5/812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Thu 5/142:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 4/4![Frontier logo]()
$233
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 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Thu 5/1412:36 pm
STL
- PDX
2 stops30h 10m
Frontier
Deal found 4/4![Frontier logo]()
$238
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Thu 5/282:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 4/6![Frontier logo]()
$241
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.
Mon 5/118:46 pm
PDX
- STL
1 stop19h 20m
Frontier
Wed 5/136:51 pm
STL
- PDX
1 stop28h 00m
Frontier
Deal found 4/4![Frontier logo]()
$241
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 5/1812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Sat 5/302:34 pm
MCI
- PDX
2 stops23h 16m
Frontier
Deal found 4/6![Frontier logo]()
$244
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:48 am
PDX
- MCI
1 stop23h 42m
Frontier
Mon 4/272:15 pm
MCI
- PDX
1 stop23h 37m
Frontier
Deal found 4/6![Frontier logo]()
$246
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 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Tue 5/126:51 pm
STL
- PDX
2 stops42h 59m
Frontier
Deal found 4/4![Frontier logo]()
$249
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:48 am
PDX
- STL
1 stop5h 44m
Frontier
Thu 5/1412:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Deal found 4/5![Frontier logo]()
$250
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.
Wed 4/2212:38 pm
PDX
- STL
2 stops19h 52m
Frontier
Sat 5/28:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 4/6![Frontier logo]()
$251
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:45 pm
PDX
- STL
1 stop6h 25m
Frontier
Sun 4/199:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 4/8![Frontier logo]()
$252
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 April 9, 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 April 9, 2026.
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:52 pm
PDX
- STL
1 stop8h 07m
Alaska Airlines
Wed 5/135:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$267
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 4/2311:55 pm
PDX
- MCI
1 stop7h 25m
Southwest
Sun 4/265:55 am
MCI
- PDX
1 stop6h 00m
Southwest
Deal found 4/4![Southwest logo]()
$270
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 5/56:15 am
PDX
- STL
1 stop8h 35m
Delta
Sun 5/107:00 am
STL
- PDX
1 stop7h 33m
Delta
Deal found 4/6![Delta logo]()
$293
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.
Wed 4/2212:38 pm
PDX
- STL
1 stop28h 43m
Frontier
Fri 4/248:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Deal found 4/8![Frontier logo]()
$321
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 4/294:15 pm
PDX
- MCI
1 stop5h 10m
United Airlines
Mon 5/46:15 am
MCI
- PDX
1 stop8h 28m
United Airlines
Deal found 4/8![United Airlines logo]()
$322
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 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 4/3![American Airlines logo]()
$383
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.
Fri 4/248:35 am
PDX
- MCI
1 stop7h 55m
Southwest
Mon 4/275:15 am
MCI
- PDX
1 stop6h 50m
Southwest
Deal found 4/7![Southwest logo]()
$275
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:52 pm
PDX
- MCI
1 stop8h 07m
Alaska Airlines
Tue 4/285:11 pm
MCI
- PDX
Nonstop3h 52m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$323
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.
Thu 7/309:25 pm
PDX
- MCI
1 stop9h 58m
Delta
Sun 8/25:34 pm
MCI
- PDX
1 stop8h 09m
Delta
Deal found 4/5![Delta logo]()
$327
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.
Wed 6/103:20 pm
PDX
- STL
1 stop6h 20m
Southwest
Sun 6/147:35 pm
STL
- PDX
1 stop7h 25m
Southwest
Deal found 4/8![Southwest logo]()
$319
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.
Sat 9/55:05 pm
PDX
- STL
1 stop5h 31m
Delta
Wed 9/96:30 am
STL
- PDX
1 stop8h 24m
Delta
Deal found 4/6![Delta logo]()
$329
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.
Thu 4/232:30 pm
PDX
- COU
1 stop8h 03m
United Airlines
Tue 4/288:00 am
COU
- PDX
2 stops10h 33m
United Airlines
Deal found 4/4![United Airlines logo]()
$389
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/410:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Tue 6/95:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$358
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:40 am
PDX
- MCI
1 stop4h 55m
Southwest
Tue 6/93:25 pm
MCI
- PDX
1 stop9h 00m
Southwest
Deal found 4/6![Southwest logo]()
$327
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 6/1912:31 am
PDX
- STL
1 stop7h 57m
Delta
Wed 6/243:57 pm
STL
- PDX
1 stop9h 24m
Delta
Deal found 4/4![Delta logo]()
$334
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 5/152:50 pm
PDX
- MCI
1 stop6h 45m
Southwest
Mon 5/188:05 pm
MCI
- PDX
1 stop6h 20m
Southwest
Deal found 4/5![Southwest logo]()
$327
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.
Tue 4/215:30 am
PDX
- COU
2 stops13h 33m
United Airlines
Sat 4/259:02 am
COU
- PDX
1 stop6h 07m
United Airlines
Deal found 4/6![United Airlines logo]()
$414
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 7/299:20 pm
PDX
- MCI
2 stops12h 40m
Southwest
Sun 8/21:55 pm
MCI
- PDX
1 stop6h 55m
Southwest
Deal found 4/7![Southwest logo]()
$332
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:49 am
PDX
- STL
Nonstop3h 48m
Alaska Airlines
Tue 8/45:37 pm
STL
- PDX
Nonstop4h 10m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$404
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.
Thu 5/218:11 pm
PDX
- STL
2 stops12h 21m
Delta
Wed 5/277:59 pm
STL
- PDX
1 stop5h 45m
Delta
Deal found 4/5![Delta logo]()
$371
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:52 pm
PDX
- COU
1 stop7h 01m
American Airlines
Sun 4/265:21 pm
COU
- PDX
1 stop8h 33m
American Airlines
Deal found 4/7![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.
Tue 8/257:05 am
PDX
- MCI
2 stops8h 20m
Southwest
Tue 9/17:25 am
MCI
- PDX
1 stop5h 25m
Southwest
Deal found 4/8![Southwest logo]()
$332
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.
Sat 5/23:59 pm
PDX
- SGF
3 stops16h 41m
United Airlines
Wed 5/66:22 pm
SGF
- PDX
1 stop7h 33m
United Airlines
Deal found 4/4![United Airlines logo]()
$451
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.
Thu 4/2310:45 am
PDX
- MCI
2 stops10h 05m
Southwest
Sat 4/255:10 am
MCI
- PDX
2 stops9h 45m
Southwest
Deal found 4/8![Southwest logo]()
$339
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 5/127:21 am
PDX
- SGF
2 stops12h 55m
Alaska Airlines
Sun 5/2412:46 pm
SGF
- PDX
1 stop9h 04m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$472
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 5/1510:55 pm
PDX
- SGF
1 stop9h 45m
United Airlines
Sat 5/236:41 pm
SGF
- PDX
1 stop7h 12m
United Airlines
Deal found 4/8![United Airlines logo]()
$484
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:00 am
PDX
- SGF
1 stop9h 04m
Delta
Sat 6/612:07 pm
SGF
- PDX
2 stops11h 55m
Delta
Deal found 4/8![Delta logo]()
$484
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 4/2211:59 pm
PDX
- COU
1 stop8h 56m
United Airlines
Wed 4/293:23 pm
COU
- PDX
2 stops11h 10m
United Airlines
Deal found 4/5![United Airlines logo]()
$489
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:48 am
PDX
- SGF
1 stop7h 58m
Alaska Airlines
Mon 5/112:33 pm
SGF
- PDX
1 stop7h 29m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$494
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.
Tue 5/1911:15 am
PDX
- STL
2 stops8h 30m
Southwest
Thu 5/218:35 am
STL
- PDX
1 stop9h 45m
Southwest
Deal found 4/5![Southwest logo]()
$383
Last-minute flights from Portland to MissouriDiscover last-minute flight deals from Portland to Missouri. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Missouri. Data last updated April 9, 2026 and is based on user searches.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:45 pm
PDX
- STL
1 stop6h 25m
Frontier
Sun 4/199:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 4/8![Frontier logo]()
$252
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.
Wed 4/2212:38 pm
PDX
- STL
2 stops19h 52m
Frontier
Sat 5/28:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 4/6![Frontier logo]()
$251
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:48 am
PDX
- MCI
1 stop23h 42m
Frontier
Mon 4/272:15 pm
MCI
- PDX
1 stop23h 37m
Frontier
Deal found 4/6![Frontier logo]()
$246
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:48 am
PDX
- MCI
1 stop24h 18m
Frontier
Mon 4/272:15 pm
MCI
- PDX
1 stop23h 37m
Frontier
Deal found 4/7![Frontier logo]()
$196
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:48 am
PDX
- STL
1 stop5h 44m
Frontier
Thu 5/1412:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Deal found 4/5![Frontier logo]()
$250
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 5/812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Wed 5/132:34 pm
MCI
- PDX
2 stops23h 16m
Frontier
Deal found 4/4![Frontier logo]()
$220
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 5/812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Thu 5/142:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 4/4![Frontier logo]()
$233
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 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Thu 5/1412:36 pm
STL
- PDX
2 stops30h 10m
Frontier
Deal found 4/4![Frontier logo]()
$238
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 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Tue 5/126:51 pm
STL
- PDX
2 stops42h 59m
Frontier
Deal found 4/4![Frontier logo]()
$249
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.
Mon 5/118:46 pm
PDX
- STL
1 stop19h 20m
Frontier
Wed 5/136:51 pm
STL
- PDX
1 stop28h 00m
Frontier
Deal found 4/4![Frontier logo]()
$241
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 5/1812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Sat 5/302:34 pm
MCI
- PDX
2 stops23h 16m
Frontier
Deal found 4/6![Frontier logo]()
$244
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Thu 5/282:34 pm
MCI
- PDX
1 stop28h 12m
Frontier
Deal found 4/6![Frontier logo]()
$241
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 April 9, 2026.
Search for one-way flight options from Portland to Missouri. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
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.
Wed 4/2912:38 pm
PDX
- STL
1 stop28h 43m
Frontier
Deal found 4/8![Frontier logo]()
$72
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 4/5![Frontier logo]()
$80
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 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/4![Frontier logo]()
$88
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.
Sun 5/1012:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Deal found 4/8![Frontier logo]()
$90
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.
Mon 5/118:46 pm
PDX
- STL
1 stop19h 20m
Frontier
Deal found 4/5![Frontier logo]()
$92
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.
Tue 6/25:46 pm
PDX
- MCI
1 stop18h 03m
Frontier
Deal found 4/5![Frontier logo]()
$93
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.
Tue 6/25:46 pm
PDX
- STL
1 stop23h 37m
Frontier
Deal found 4/6![Frontier logo]()
$95
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.
Fri 5/812:35 pm
PDX
- MCI
1 stop23h 14m
Frontier
Deal found 4/6![Frontier logo]()
$99
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.
Sun 5/1012:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/6![Frontier logo]()
$101
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.
Mon 6/812:35 pm
PDX
- MCI
1 stop22h 25m
Frontier
Deal found 4/8![Frontier logo]()
$104
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:48 am
PDX
- STL
1 stop5h 44m
Frontier
Deal found 4/6![Frontier logo]()
$105
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/6![Frontier logo]()
$117
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 April 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $196 (Trip.com) |
One-way from | $72 (Kiwi.com) |
Popular in | March |
Cheapest in | November |
Average price | $399 |
Good round-trip deal | $297 or less |
Good one-way deal | $141 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 April 9, 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
Tue 5/5
1:52 pm-11:59 pm
1 stop8h 07m
Lambert-St Louis
Wed 5/13
5:33 pm-7:50 pm
Nonstop4h 17m
$267
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Thu 4/23
11:55 pm-9:20 am
1 stop7h 25m
Kansas City
Sun 4/26
5:55 am-9:55 am
1 stop6h 00m
$270
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Fri 4/24
8:35 am-6:30 pm
1 stop7h 55m
Kansas City
Mon 4/27
5:15 am-10:05 am
1 stop6h 50m
$275
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Tue 5/5
6:15 am-4:50 pm
1 stop8h 35m
Lambert-St Louis
Sun 5/10
7:00 am-12:33 pm
1 stop7h 33m
$293
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Wed 6/10
3:20 pm-11:40 pm
1 stop6h 20m
Lambert-St Louis
Sun 6/14
7:35 pm-1:00 am
1 stop7h 25m
$319
PortlandSt. Louis
PDX - STL
PDXSTL
Portland
Wed 4/22
12:38 pm-7:21 pm
1 stop28h 43m
Lambert-St Louis
Fri 4/24
8:06 pm-11:42 am
1 stop17h 36m
$321
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Wed 4/29
4:15 pm-11:25 pm
1 stop5h 10m
Kansas City
Mon 5/4
6:15 am-12:43 pm
1 stop8h 28m
$322
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Fri 4/24
1:52 pm-11:59 pm
1 stop8h 07m
Kansas City
Tue 4/28
5:11 pm-7:03 pm
Nonstop3h 52m
$323
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Thu 7/30
9:25 pm-9:23 am
1 stop9h 58m
Kansas City
Sun 8/2
5:34 pm-11:43 pm
1 stop8h 09m
$327
PortlandKansas City
PDX - MCI
PDXMCI
Portland
Wed 5/6
6:40 am-1:35 pm
1 stop4h 55m
Kansas City
Tue 6/9
3:25 pm-10:25 pm
1 stop9h 00m
$327
Showing 1-10 of 53 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-SGF
PDX-COU
PDX-MCI
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-STL
PDX-SGF
PDX-COU
PDX-MCI
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 April 9, 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?
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 April 9, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, 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
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
See prices for flight routes from nearby airports that may be better suited for you.
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 April 9, 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 April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$339 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$336 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$317 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$196 | Average$388 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$404 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$226 | Average$398 | FlexibilityNo cancel fee | On-time69% |