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Missouri

$60+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
dic. 20 — dic. 271
sáb. 12/20
sáb. 12/27
1 adult, Economy
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Cheap flight deals from Portland to Missouri

Keep the following information in mind while searching for Portland to Missouri flight deals. Data was last updated noviembre 20, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$141
(Kiwi.com)

One-way from

$60
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$377

Good round-trip deal

$227 or less

Good one-way deal

$108 or less
Provider with most accurate pricing for Portland-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Portland-Lambert-St Louis flights.
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From Portland to Missouri
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One-way flight from Portland to Missouri
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Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Portland to Missouri.
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Price to beat on a one-way flight from Portland to Missouri.
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Find 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 noviembre 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
vie. 12/1212:55 pmPDX - STL
1 stop19h 19mFrontier
mié. 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Deal found 11/20$141
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
jue. 12/1112:51 pmPDX - STL
1 stop19h 23mFrontier
mié. 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Deal found 11/20$167
This Delta deal was found by Cheapflights users on 11/19. 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.
mié. 12/1012:32 amPDX - MCI
1 stop7h 28mDelta
sáb. 12/136:40 amMCI - PDX
1 stop8h 14mDelta
Deal found 11/19$175
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
vie. 12/1212:55 pmPDX - STL
1 stop19h 19mFrontier
dom. 12/1410:44 pmSTL - PDX
1 stop11h 52mFrontier
Deal found 11/19$179
This Trip.com deal was found by Cheapflights users on 11/19. 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.
jue. 12/117:16 amPDX - MCI
Nonstop3h 24mHawaiian Airlines
dom. 12/141:34 pmMCI - PDX
Nonstop4h 06mHawaiian Airlines
Deal found 11/19$192
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
dom. 12/710:29 amPDX - STL
1 stop7h 47mFrontier
mié. 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Deal found 11/19$195
This Delta deal was found by Cheapflights users on 11/19. 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.
mar. 12/212:32 amPDX - MCI
1 stop7h 28mDelta
mié. 12/106:28 amMCI - PDX
1 stop8h 12mDelta
Deal found 11/19$196
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
vie. 12/127:16 amPDX - MCI
Nonstop3h 24mAlaska Airlines
dom. 12/141:34 pmMCI - PDX
Nonstop4h 06mAlaska Airlines
Deal found 11/20$197
This Delta deal was found by Cheapflights users on 11/19. 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.
jue. 12/112:23 pmPDX - MCI
1 stop6h 59mDelta
dom. 12/143:55 pmMCI - PDX
1 stop9h 01mDelta
Deal found 11/19$200
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
lun. 12/85:32 pmPDX - STL
2 stops38h 42mFrontier
mié. 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Deal found 11/19$200
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
vie. 12/1212:55 pmPDX - STL
1 stop19h 19mFrontier
sáb. 12/207:43 pmSTL - PDX
1 stop18h 00mFrontier
Deal found 11/20$201
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
jue. 12/1112:51 pmPDX - STL
1 stop19h 23mFrontier
dom. 12/1410:44 pmSTL - PDX
1 stop11h 52mFrontier
Deal found 11/19$203

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 noviembre 20, 2025.
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

jue. 12/4

5:05 pm-12:29 am

1 stop5h 24m

Kansas City

mié. 12/10

3:55 pm-10:56 pm

1 stop9h 01m

$196

PortlandKansas City

PDX - MCI

PDXMCI

Portland

dom. 1/11

9:39 am-3:05 pm

Nonstop3h 26m

Kansas City

dom. 1/18

3:59 pm-5:57 pm

Nonstop3h 58m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

jue. 1/8

9:39 am-3:05 pm

Nonstop3h 26m

Kansas City

dom. 1/11

3:59 pm-5:57 pm

Nonstop3h 58m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

jue. 12/11

10:50 am-7:00 pm

1 stop6h 10m

Kansas City

dom. 12/14

3:40 pm-8:45 pm

1 stop7h 05m

$200

PortlandKansas City

PDX - MCI

PDXMCI

Portland

jue. 12/11

2:23 pm-11:22 pm

1 stop6h 59m

Kansas City

dom. 12/14

3:55 pm-10:56 pm

1 stop9h 01m

$200

PortlandKansas City

PDX - MCI

PDXMCI

Portland

sáb. 12/6

2:23 pm-11:22 pm

1 stop6h 59m

Kansas City

jue. 12/11

6:22 pm-12:04 am

1 stop7h 42m

$204

PortlandKansas City

PDX - MCI

PDXMCI

Portland

jue. 1/8

6:00 am-6:30 pm

1 stop10h 30m

Kansas City

dom. 1/11

1:40 pm-7:05 pm

1 stop7h 25m

$205

PortlandKansas City

PDX - MCI

PDXMCI

Portland

jue. 12/11

10:40 am-11:58 pm

1 stop11h 18m

Kansas City

dom. 12/14

1:34 pm-3:40 pm

Nonstop4h 06m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

sáb. 2/14

5:10 am-3:30 pm

1 stop8h 20m

Kansas City

lun. 2/16

7:00 am-2:30 pm

1 stop9h 30m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

vie. 3/6

1:30 pm-11:42 pm

1 stop8h 12m

Kansas City

mar. 3/10

6:10 pm-11:54 pm

1 stop7h 44m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 55 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 $228). 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 noviembre 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to Missouri in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Portland to Missouri?

Use this chart to determine the cheapest time to fly round-trip from Portland to Missouri. Price data was last updated on November 10, 2024.

Travelers seeking maximum savings on their Portland to Missouri flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 noviembre 20, 2025.
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
11,326 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,326 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Southwest
8.0
Very good
4,251 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
8,002 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
United Airlines
7.4
Good
9,028 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
American Airlines
7.2
Good
11,047 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

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?

    Delta, Alaska Airlines, and Southwest can get you from Portland to Missouri in just under 3h 26m. Your travel time can differ by up to 2h 44m. 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?

    $84 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Southwest and Alaska Airlines, with prices starting from $105 and $109, 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.

  • 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 $228). 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 8 airlines flying from Portland to Missouri

Discover the top 8 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 noviembre 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$230FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$135Average$183FlexibilityNo cancel feeOn-time65%
DeltaCheapest$154Average$358FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$185Average$433FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$193Average$354FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$226Average$424FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$418FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$247Average$407FlexibilityNo cancel feeOn-time63%

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