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Missouri

$85+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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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 January 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1210:53 am
PDX
-
MCI
Nonstop3h 29m
Hawaiian Airlines
Wed 3/185:50 pm
MCI
-
PDX
Nonstop3h 51m
Hawaiian Airlines
Deal found 1/22$176
This Orbitz deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:53 am
PDX
-
MCI
Nonstop3h 29m
Alaska Airlines
Tue 3/175:16 pm
MCI
-
PDX
Nonstop4h 04m
Alaska Airlines
Deal found 1/22$177
This Alaska Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” 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 3/610:53 am
PDX
-
MCI
Nonstop3h 29m
Alaska Airlines
Tue 3/105:16 pm
MCI
-
PDX
Nonstop4h 04m
Alaska Airlines
Deal found 1/22$187
This Kiwi.com deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” 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 4/311:58 am
PDX
-
MCI
1 stop6h 00m
Frontier
Sun 4/58:28 pm
MCI
-
PDX
1 stop16h 35m
Frontier
Deal found 1/22$191
This Southwest deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” 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 3/36:30 am
PDX
-
MCI
1 stop8h 15m
Southwest
Tue 3/176:30 pm
MCI
-
PDX
1 stop5h 40m
Southwest
Deal found 1/22$197
This American Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/61:52 pm
PDX
-
MCI
1 stop8h 23m
American Airlines
Tue 3/105:00 am
MCI
-
PDX
1 stop7h 48m
American Airlines
Deal found 1/22$207
This WAYA deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:05 am
PDX
-
MCI
1 stop6h 39m
Multiple Airlines
Thu 2/195:16 pm
MCI
-
PDX
Nonstop4h 04m
Multiple Airlines
Deal found 1/23$208
This Delta deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” 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 3/136:15 am
PDX
-
MCI
1 stop6h 39m
Delta
Fri 3/208:11 pm
MCI
-
PDX
1 stop5h 43m
Delta
Deal found 1/22$217
This CheapOair deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” 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 3/36:00 am
PDX
-
MCI
1 stop5h 55m
Alaska Airlines
Tue 3/105:16 pm
MCI
-
PDX
Nonstop4h 04m
Alaska Airlines
Deal found 1/23$227
This Delta deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:45 am
PDX
-
MCI
1 stop5h 53m
Delta
Tue 3/318:11 pm
MCI
-
PDX
1 stop5h 43m
Delta
Deal found 1/22$228
This CheapOair deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” 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.
Sun 4/129:00 am
PDX
-
MCI
1 stop12h 59m
Alaska Airlines
Sat 4/185:36 pm
MCI
-
PDX
Nonstop4h 01m
Alaska Airlines
Deal found 1/23$237
This American Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:40 pm
PDX
-
STL
1 stop7h 15m
American Airlines
Wed 2/256:00 am
STL
-
PDX
1 stop6h 58m
American Airlines
Deal found 1/22$249

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 January 24, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$176
(Kiwi.com)

One-way from

$85
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$332

Good round-trip deal

$197 or less

Good one-way deal

$98 or less
Provider with most accurate pricing for Portland-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Lambert-St Louis flights.
Search Deals
From Portland to Missouri
Search Deals
One-way flight from Portland to Missouri
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Portland to Missouri.
Search Deals
Price to beat on a one-way flight from Portland to Missouri.
Search Deals

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 January 24, 2026.
Use the filters below to find and compare flights from Portland to Missouri that are best for you.

Fly from

Portland

Fly to

Missouri

Route

Depart

Return

Price

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Fri 3/13

10:53 am-4:22 pm

Nonstop3h 29m

Kansas City

Fri 3/20

5:41 pm-7:32 pm

Nonstop3h 51m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Tue 3/3

6:30 am-4:45 pm

1 stop8h 15m

Kansas City

Tue 3/17

6:30 pm-10:10 pm

1 stop5h 40m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Sat 4/4

5:45 am-1:38 pm

1 stop5h 53m

Kansas City

Mon 4/6

3:50 pm-10:23 pm

1 stop8h 33m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Thu 3/12

11:55 pm-9:15 am

1 stop7h 20m

Kansas City

Wed 3/18

4:05 pm-11:10 pm

1 stop9h 05m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Fri 3/13

6:15 am-2:54 pm

1 stop6h 39m

Kansas City

Fri 3/20

8:11 pm-11:54 pm

1 stop5h 43m

$217

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Wed 3/25

11:21 am-4:47 pm

Nonstop3h 26m

Kansas City

Tue 3/31

5:50 pm-7:41 pm

Nonstop3h 51m

$217

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Mon 3/2

5:35 am-12:35 pm

1 stop5h 00m

Kansas City

Fri 3/6

5:35 pm-12:45 am

1 stop9h 10m

$217

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Fri 4/10

5:45 am-1:38 pm

1 stop5h 53m

Kansas City

Mon 4/13

7:59 pm-11:53 pm

1 stop5h 54m

$217

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Wed 3/25

11:21 am-4:47 pm

Nonstop3h 26m

Kansas City

Mon 3/30

5:50 pm-7:41 pm

Nonstop3h 51m

$227

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Wed 3/25

5:45 am-1:38 pm

1 stop5h 53m

Kansas City

Tue 3/31

8:11 pm-11:54 pm

1 stop5h 43m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 60 results
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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, October is the cheapest month in which you can book a flight from Portland to Missouri (average of $133). Flying from Portland to Missouri in June is currently the most expensive (average of $240). 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 January 24, 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 January 24, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
11,785 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,785 reviews
Alaska Airlines
8.0
Very good
11,785 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,268 reviews
Alaska Airlines
8.0
Very good
11,785 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,110 reviews
Alaska Airlines
8.0
Very good
11,785 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,194 reviews
Alaska Airlines
8.0
Very good
11,785 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,192 reviews
Alaska Airlines
8.0
Very good
11,785 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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, Southwest, and Delta can get you from Portland to Missouri in just under 3h 29m. Your travel time can differ by up to 4h 46m. The distance between Portland and Missouri is about 1477 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?

    $61 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?

    The most popular flight routes from Portland to Missouri are Portland - Lambert-St Louis, Portland - Kansas City and Portland - Springfield-Branson.

  • 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 $242. The most popular route, (Portland - Lambert-St Louis), can usually be booked for $249.

  • 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, October is the cheapest month in which you can book a flight from Portland to Missouri (average of $133). Flying from Portland to Missouri in June is currently the most expensive (average of $240). 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.
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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 January 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$223FlexibilityNo cancel feeOn-time62%
DeltaCheapest$153Average$347FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$183Average$428FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$193Average$347FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$207Average$395FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$216Average$409FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$226Average$411FlexibilityNo cancel feeOn-time71%

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