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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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$177
(Alaska Airlines)

One-way from

$60
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$376

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 ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 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 November 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:16 amPDX - MCI
Nonstop3h 24mAlaska Airlines
Sun 12/71:34 pmMCI - PDX
Nonstop4h 06mAlaska Airlines
Deal found 11/11$185
This Trip.com deal was found by Cheapflights users on 11/13. 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.
Sun 12/147:16 amPDX - MCI
Nonstop3h 24mHawaiian Airlines
Thu 12/184:56 pmMCI - PDX
Nonstop4h 06mHawaiian Airlines
Deal found 11/13$194
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:16 amPDX - MCI
Nonstop3h 24mAlaska Airlines
Thu 12/184:56 pmMCI - PDX
Nonstop4h 06mAlaska Airlines
Deal found 11/11$195
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:16 amPDX - MCI
Nonstop3h 24mAlaska Airlines
Sun 12/141:34 pmMCI - PDX
Nonstop4h 06mAlaska Airlines
Deal found 11/11$197
This Southwest deal was found by Cheapflights users on 11/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:30 amPDX - MCI
1 stop5h 50mSouthwest
Sat 12/133:25 pmMCI - PDX
1 stop7h 00mSouthwest
Deal found 11/12$202
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:51 pmPDX - MCI
1 stop23h 02mMultiple Airlines
Thu 12/187:00 amMCI - PDX
1 stop8h 24mMultiple Airlines
Deal found 11/11$204
This American Airlines deal was found by Cheapflights users on 11/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:59 pmPDX - MCI
1 stop8h 27mAmerican Airlines
Sun 12/76:00 amMCI - PDX
1 stop8h 38mAmerican Airlines
Deal found 11/11$206
This Southwest deal was found by Cheapflights users on 11/11. 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.
Tue 12/25:00 amPDX - MCI
1 stop5h 55mSouthwest
Fri 12/53:25 pmMCI - PDX
1 stop6h 30mSouthwest
Deal found 11/11$207
This Southwest deal was found by Cheapflights users on 11/11. 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.
Fri 12/125:30 amPDX - MCI
1 stop5h 50mSouthwest
Sun 12/146:20 pmMCI - PDX
1 stop8h 00mSouthwest
Deal found 11/11$212
This American Airlines deal was found by Cheapflights users on 11/13. 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 12/511:59 pmPDX - MCI
1 stop7h 56mAmerican Airlines
Sun 12/75:13 amMCI - PDX
1 stop9h 41mAmerican Airlines
Deal found 11/13$216
This American Airlines deal was found by Cheapflights users on 11/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:59 pmPDX - STL
1 stop8h 38mAmerican Airlines
Sun 12/75:14 amSTL - PDX
1 stop7h 51mAmerican Airlines
Deal found 11/12$249
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:23 pmPDX - STL
2 stops8h 25mDelta
Fri 12/122:38 pmSTL - PDX
1 stop9h 32mDelta
Deal found 11/11$262

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 November 13, 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 12/12

7:16 am-12:40 pm

Nonstop3h 24m

Kansas City

Sun 12/14

1:34 pm-3:40 pm

Nonstop4h 06m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Mon 12/8

12:32 am-10:00 am

1 stop7h 28m

Kansas City

Tue 12/16

6:22 pm-12:04 am

1 stop7h 42m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Sat 1/17

7:10 am-1:43 pm

1 stop28h 33m

Kansas City

Fri 1/23

3:59 pm-5:57 pm

Nonstop3h 58m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Mon 3/9

12:55 am-8:38 am

1 stop5h 43m

Kansas City

Wed 3/11

9:26 am-4:51 pm

1 stop9h 25m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Fri 3/6

1:30 pm-11:42 pm

1 stop8h 12m

Kansas City

Tue 3/10

2:15 pm-6:18 pm

1 stop6h 03m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Fri 12/19

9:00 pm-10:30 am

1 stop11h 30m

Kansas City

Mon 1/5

7:05 pm-11:35 pm

1 stop6h 30m

$222

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

$227

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Thu 12/4

7:16 am-12:40 pm

Nonstop3h 24m

Kansas City

Tue 12/9

6:55 am-10:50 am

1 stop5h 55m

$237

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Mon 12/15

12:32 am-10:00 am

1 stop7h 28m

Kansas City

Wed 1/7

2:53 pm-12:17 am

2 stops11h 24m

$247

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Fri 1/23

8:30 am-4:55 pm

1 stop6h 25m

Lambert-St Louis

Sun 1/25

6:00 am-12:18 pm

1 stop8h 18m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 58 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 November 13, 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.

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 November 13, 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
11,288 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,288 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,007 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,017 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,051 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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, Delta, and United Airlines can get you from Portland to Missouri in just under 3h 24m. Your travel time can differ by up to 4h 04m. 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?

    $89 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $104 and $119, 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.

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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 November 13, 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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