Missouri

$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
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Cheap flight deals from Portland to Missouri

Cheapest flights from Portland to Missouri
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$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$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$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$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$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$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$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$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$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$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$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$237

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
Provider with most accurate pricing for Portland-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Portland-Lambert-St Louis flights.
From Portland to Missouri
One-way flight from Portland to Missouri
Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Portland to Missouri.
Price to beat on a one-way flight from Portland to Missouri.

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

Price

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
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

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
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Boarding

8.1

Overall

8.0

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

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.
  • What airport do you fly from for flights from Portland to Missouri?

    Most people fly from Portland (PDX) if they book a flight from Portland to Missouri. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How long is the flight from Portland to Missouri?

    Alaska Airlines, United Airlines, and Delta can get you from Portland to Missouri in just under 5h 25m. Your travel time can differ by up to 7h 49m. The distance between Portland and Missouri is about 1702 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Portland to Missouri one-way?

    $69 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Hawaiian Airlines and Alaska Airlines, with prices starting from $74 and $98, respectively.

  • What are the most popular routes from Portland to Missouri?

  • What are the cheapest flights from Portland to Missouri?

    The cheapest flight price from Portland to Missouri is $114. On average you can expect to pay $271. The most popular route, (Portland - Lambert-St Louis), can usually be booked for $217.

  • Can I find deals for flights from Portland to Missouri that include hotel bookings?

    Yes. In addition to deals on Portland to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Missouri.

  • Can I find deals for business class flights from Portland to Missouri?

    Yes. Cheapflights offers flight deals from Portland to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

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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.

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.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$91Average$241FlexibilityNo cancel feeOn-time62%
DeltaCheapest$118Average$331FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$177Average$376FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$186Average$347FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$207Average$386FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$216Average$398FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$226Average$408FlexibilityNo cancel feeOn-time71%

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