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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
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
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 24, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$197
(Delta)

One-way from

$60
(Trip.com)

Popular in

March

Cheapest in

January

Average price

$378

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. 7% potential increase in price ($31 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 November 24, 2025.

This Delta deal was found by Cheapflights users on 11/22. 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 12/1212:32 amPDX - MCI
1 stop7h 28mDelta
Tue 12/163:33 pmMCI - PDX
1 stop7h 19mDelta
Deal found 11/22$197
This Southwest deal was found by Cheapflights users on 11/22. 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.
Sat 12/136:00 amPDX - MCI
2 stops7h 25mSouthwest
Tue 12/166:05 pmMCI - PDX
1 stop6h 25mSouthwest
Deal found 11/22$202
This American Airlines deal was found by Cheapflights users on 11/22. 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.
Sat 12/1311:59 pmPDX - MCI
1 stop6h 42mAmerican Airlines
Thu 1/82:25 pmMCI - PDX
1 stop7h 26mAmerican Airlines
Deal found 11/22$206
This Delta deal was found by Cheapflights users on 11/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/131:59 pmPDX - MCI
1 stop7h 11mDelta
Sun 12/146:40 amMCI - PDX
1 stop8h 14mDelta
Deal found 11/23$207
This Southwest deal was found by Cheapflights users on 11/22. 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.
Sat 12/136:00 amPDX - MCI
2 stops7h 25mSouthwest
Thu 1/812:05 pmMCI - PDX
1 stop9h 10mSouthwest
Deal found 11/22$212
This Alaska Airlines deal was found by Cheapflights users on 11/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:16 amPDX - MCI
Nonstop3h 24mAlaska Airlines
Sat 12/204:56 pmMCI - PDX
Nonstop4h 06mAlaska Airlines
Deal found 11/23$227
This Southwest deal was found by Cheapflights users on 11/22. 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.
Fri 12/125:30 amPDX - MCI
1 stop5h 50mSouthwest
Tue 12/166:05 pmMCI - PDX
1 stop6h 25mSouthwest
Deal found 11/22$228
This Kiwi.com deal was found by Cheapflights users on 11/22. 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 12/1112:51 pmPDX - STL
1 stop19h 23mFrontier
Sat 12/137:43 pmSTL - PDX
1 stop18h 13mFrontier
Deal found 11/22$228
This Frontier deal was found by Cheapflights users on 11/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:29 amPDX - STL
1 stop7h 47mFrontier
Sun 12/1410:44 pmSTL - PDX
1 stop11h 52mFrontier
Deal found 11/24$232
This Delta deal was found by Cheapflights users on 11/22. 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.
Tue 12/912:32 amPDX - MCI
1 stop7h 28mDelta
Tue 12/163:55 pmMCI - PDX
1 stop9h 01mDelta
Deal found 11/22$233
This Kiwi.com deal was found by Cheapflights users on 11/24. 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 12/1212:55 pmPDX - STL
1 stop19h 19mFrontier
Wed 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Deal found 11/24$236
This Alaska Airlines deal was found by Cheapflights users on 11/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:25 amPDX - MCI
1 stop8h 02mAlaska Airlines
Sun 12/141:34 pmMCI - PDX
Nonstop4h 06mAlaska Airlines
Deal found 11/23$237

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 24, 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

Sat 2/14

1:36 pm-1:55 pm

1 stop22h 19m

Kansas City

Sun 2/15

5:16 pm-7:20 pm

Nonstop4h 04m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Sat 1/17

5:50 am-1:58 pm

1 stop6h 08m

Kansas City

Wed 1/21

4:04 pm-8:32 pm

1 stop6h 28m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Sat 12/13

1:59 pm-11:10 pm

1 stop7h 11m

Kansas City

Sun 12/14

6:40 am-12:54 pm

1 stop8h 14m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Fri 3/6

1:02 pm-11:31 pm

1 stop8h 29m

Kansas City

Tue 3/10

2:15 pm-6:18 pm

1 stop6h 03m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Sat 12/13

6:00 am-3:25 pm

2 stops7h 25m

Kansas City

Thu 1/8

12:05 pm-7:15 pm

1 stop9h 10m

$212

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Fri 2/13

8:45 pm-10:50 am

1 stop12h 05m

Kansas City

Mon 2/16

7:00 am-2:30 pm

1 stop9h 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

Fri 12/12

5:30 am-1:20 pm

1 stop5h 50m

Kansas City

Tue 12/16

3:25 pm-7:55 pm

1 stop6h 30m

$228

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Sat 12/13

7:25 am-5:27 pm

1 stop8h 02m

Kansas City

Sun 12/14

1:34 pm-3:40 pm

Nonstop4h 06m

$237

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Fri 1/30

12:59 pm-10:00 pm

1 stop7h 01m

Lambert-St Louis

Mon 2/2

4:49 pm-10:32 pm

1 stop7h 43m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 56 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 24, 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 24, 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
11,340 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Alaska Airlines
8.0
Very good
11,340 reviews
Alaska Airlines
8.0
Very good
11,340 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Southwest
8.0
Very good
4,252 reviews
Alaska Airlines
8.0
Very good
11,340 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,340 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
United Airlines
7.4
Good
9,044 reviews
Alaska Airlines
8.0
Very good
11,340 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
American Airlines
7.2
Good
11,042 reviews
Alaska Airlines
8.0
Very good
11,340 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

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 6h 08m. Your travel time can differ by up to 16h 11m. 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 Delta and Southwest, with prices starting from $99 and $124, 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 - Columbia Regional.

  • 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 24, 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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