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Missouri

$68+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
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 December 8, 2025.

This United Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:45 pmPDX - STL
1 stop5h 37mUnited Airlines
Mon 1/53:10 pmSTL - PDX
1 stop9h 30mUnited Airlines
Deal found 12/6$249
This Delta deal was found by Cheapflights users on 12/6. 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.
Sun 12/146:29 amPDX - MCI
1 stop6h 31mDelta
Sat 12/205:59 pmMCI - PDX
1 stop6h 59mDelta
Deal found 12/6$298
This Trip.com deal was found by Cheapflights users on 12/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:29 amPDX - STL
1 stop9h 19mFrontier
Sun 12/1410:44 pmSTL - PDX
1 stop11h 52mFrontier
Deal found 12/6$331
This United Airlines deal was found by Cheapflights users on 12/5. 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.
Fri 12/1212:55 pmPDX - MCI
1 stop7h 35mUnited Airlines
Mon 12/159:02 amMCI - PDX
2 stops11h 39mUnited Airlines
Deal found 12/5$332
This American Airlines deal was found by Cheapflights users on 12/7. 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.
Sun 12/2111:59 pmPDX - STL
1 stop8h 51mAmerican Airlines
Tue 1/62:38 pmSTL - PDX
1 stop7h 15mAmerican Airlines
Deal found 12/7$333
This Southwest deal was found by Cheapflights users on 12/6. 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.
Thu 12/185:00 amPDX - MCI
1 stop7h 00mSouthwest
Sun 12/218:10 pmMCI - PDX
1 stop6h 20mSouthwest
Deal found 12/6$337
This Southwest deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:25 amPDX - MCI
1 stop8h 15mSouthwest
Mon 12/225:35 amMCI - PDX
1 stop6h 20mSouthwest
Deal found 12/7$348
This Southwest deal was found by Cheapflights users on 12/6. 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.
Tue 12/1612:05 pmPDX - MCI
2 stops8h 10mSouthwest
Fri 12/195:35 amMCI - PDX
1 stop6h 20mSouthwest
Deal found 12/6$358
This United Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:30 amPDX - MCI
1 stop5h 35mUnited Airlines
Mon 12/153:25 pmMCI - PDX
1 stop8h 50mUnited Airlines
Deal found 12/7$361
This Delta deal was found by Cheapflights users on 12/6. 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.
Fri 12/1910:05 amPDX - MCI
1 stop5h 22mDelta
Sat 12/205:59 pmMCI - PDX
1 stop6h 59mDelta
Deal found 12/6$364
This United Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:10 amPDX - MCI
2 stops10h 57mUnited Airlines
Sun 12/1411:36 amMCI - PDX
2 stops13h 16mUnited Airlines
Deal found 12/7$371
This Delta deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:30 amPDX - MCI
1 stop5h 57mDelta
Thu 12/186:22 pmMCI - PDX
1 stop7h 42mDelta
Deal found 12/6$373

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 December 8, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$187
(Alaska Airlines)

One-way from

$68
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$459

Good round-trip deal

$249 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. 9% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 8, 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

Fri 3/6

10:53 am-4:22 pm

Nonstop3h 29m

Kansas City

Tue 3/10

5:16 pm-7:20 pm

Nonstop4h 04m

$187

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Thu 1/8

12:05 pm-7:50 am

2 stops17h 45m

Lambert-St Louis

Wed 1/14

3:43 pm-11:04 am

1 stop21h 21m

$188

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Wed 2/4

11:25 am-10:15 pm

1 stop8h 50m

Kansas City

Wed 2/11

6:25 pm-10:15 pm

1 stop5h 50m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Mon 1/5

10:41 am-4:02 pm

Nonstop3h 21m

Kansas City

Thu 1/8

3:59 pm-5:57 pm

Nonstop3h 58m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Thu 1/15

9:39 am-3:05 pm

Nonstop3h 26m

Kansas City

Mon 1/19

3:59 pm-5:57 pm

Nonstop3h 58m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Fri 3/6

1:02 pm-11:29 pm

1 stop8h 27m

Kansas City

Tue 3/10

3:53 pm-10:23 pm

1 stop8h 30m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Fri 3/6

3:45 pm-11:15 pm

1 stop5h 30m

Kansas City

Tue 3/10

1:56 pm-11:04 pm

2 stops11h 08m

$222

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Sat 1/17

7:52 pm-5:11 am

1 stop7h 19m

Lambert-St Louis

Mon 1/19

6:00 am-12:18 pm

1 stop8h 18m

$249

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Fri 1/9

1:39 pm-9:35 pm

1 stop5h 56m

Lambert-St Louis

Wed 1/14

6:10 am-12:46 pm

1 stop8h 36m

$249

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Sun 2/1

12:59 pm-10:00 pm

1 stop7h 01m

Lambert-St Louis

Sun 2/8

6:00 am-12:18 pm

1 stop8h 18m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 50 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 December 8, 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 25% on your trip compared to booking a flight at noon.

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 December 16, 2024.

Travelers seeking maximum savings on their Portland to Missouri flight should consider departing on Wednesday mornings 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.

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 December 8, 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
11,419 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,419 reviews
Alaska Airlines
8.0
Very good
11,419 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
8.0
Very good
4,254 reviews
Alaska Airlines
8.0
Very good
11,419 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,011 reviews
Alaska Airlines
8.0
Very good
11,419 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,089 reviews
Alaska Airlines
8.0
Very good
11,419 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,045 reviews
Alaska Airlines
8.0
Very good
11,419 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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, Frontier, and Southwest can get you from Portland to Missouri in just under 3h 29m. Your travel time can differ by up to 14h 16m. 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 - Kansas City, Portland - Lambert-St Louis and Portland - Springfield-Branson.

  • What are the cheapest flights from Portland to Missouri?

    The cheapest flight price from Portland to Missouri is $218. On average you can expect to pay $289. The most popular route, (Portland - Kansas City), can usually be booked for $197.

  • 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.

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Alternative routes for Portland to Missouri

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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 December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$218FlexibilityNo cancel feeOn-time62%
DeltaCheapest$154Average$354FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$185Average$434FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$193Average$354FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$226Average$402FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$226Average$420FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$410FlexibilityNo cancel feeOn-time69%

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