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Missouri

$63+ 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
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
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 octubre 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$185
(Cheapflightsfares)

One-way from

$63
(Trip.com)

Popular in

March

Cheapest in

January

Average price

$349

Good round-trip deal

$187 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. 5% potential increase in price ($22 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 October 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 octubre 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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 - MCI
1 stop23h 02mMultiple Airlines
jue. 12/187:00 amMCI - PDX
1 stop8h 24mMultiple Airlines
Deal found 10/27$181
This Kiwi.com deal was found by Cheapflights users on 10/28. 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. 11/149:02 pmPDX - MCI
2 stops20h 31mFrontier
jue. 12/48:09 pmMCI - PDX
1 stop17h 47mFrontier
Deal found 10/28$186
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
dom. 12/147:16 amPDX - MCI
Nonstop3h 24mAlaska Airlines
mié. 12/314:56 pmMCI - PDX
Nonstop4h 06mAlaska Airlines
Deal found 10/28$187
This Kiwi.com deal was found by Cheapflights users on 10/28. 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. 12/1812:47 pmPDX - MCI
1 stop29h 03mFrontier
mié. 12/318:45 pmMCI - PDX
1 stop16h 58mFrontier
Deal found 10/28$195
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 10/28$197
This Kiwi.com deal was found by Cheapflights users on 10/28. 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. 11/107:29 pmPDX - MCI
2 stops19h 50mFrontier
jue. 12/48:09 pmMCI - PDX
1 stop17h 47mFrontier
Deal found 10/28$201
This Southwest deal was found by Cheapflights users on 10/28. 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.
sáb. 12/136:00 amPDX - MCI
2 stops7h 25mSouthwest
mié. 12/176:20 amMCI - PDX
1 stop5h 50mSouthwest
Deal found 10/28$202
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
jue. 12/1110:40 amPDX - MCI
1 stop11h 18mAlaska Airlines
mar. 12/166:55 amMCI - PDX
1 stop8h 55mAlaska Airlines
Deal found 10/28$206
This Delta deal was found by Cheapflights users on 10/28. 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
mar. 12/166:28 amMCI - PDX
1 stop8h 12mDelta
Deal found 10/28$207
This Orbitz deal was found by Cheapflights users on 10/28. 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.
vie. 12/51:34 pmPDX - MCI
1 stop8h 24mMultiple Airlines
dom. 12/711:58 amMCI - PDX
1 stop8h 33mMultiple Airlines
Deal found 10/28$210
This United Airlines deal was found by Cheapflights users on 10/30. 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.
mié. 12/38:30 amPDX - STL
1 stop5h 58mUnited Airlines
vie. 12/125:30 pmSTL - PDX
1 stop7h 22mUnited Airlines
Deal found 10/30$249
This Kiwi.com deal was found by Cheapflights users on 10/30. 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
mar. 12/163:30 pmSTL - PDX
2 stops47h 54mFrontier
Deal found 10/30$251

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 octubre 30, 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. 2/19

10:55 am-4:20 pm

Nonstop3h 25m

Kansas City

mar. 2/24

5:55 pm-7:48 pm

Nonstop3h 53m

$187

PortlandKansas City

PDX - MCI

PDXMCI

Portland

mar. 12/9

6:29 am-3:00 pm

1 stop6h 31m

Kansas City

mié. 12/17

7:50 am-1:13 pm

1 stop7h 23m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

mié. 12/10

7:16 am-12:40 pm

Nonstop3h 24m

Kansas City

vie. 12/12

6:55 am-1:50 pm

1 stop8h 55m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

jue. 12/11

7:16 am-12:40 pm

Nonstop3h 24m

Kansas City

mar. 12/16

6:55 am-1:50 pm

1 stop8h 55m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

mié. 12/10

10:05 am-5:27 pm

1 stop5h 22m

Kansas City

vie. 12/12

2:20 pm-6:14 pm

1 stop5h 54m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

mié. 12/10

12:32 am-10:00 am

1 stop7h 28m

Kansas City

mar. 12/16

6:28 am-12:40 pm

1 stop8h 12m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

jue. 12/11

10:40 am-11:58 pm

1 stop11h 18m

Kansas City

jue. 12/18

4:56 pm-7:02 pm

Nonstop4h 06m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

jue. 12/11

5:55 am-3:35 pm

1 stop7h 40m

Kansas City

lun. 12/15

6:05 pm-10:30 pm

1 stop6h 25m

$217

PortlandKansas City

PDX - MCI

PDXMCI

Portland

mar. 12/9

1:14 pm-8:47 pm

1 stop5h 33m

Kansas City

mié. 12/17

6:00 am-9:38 am

1 stop5h 38m

$217

PortlandKansas City

PDX - MCI

PDXMCI

Portland

jue. 11/20

5:55 am-1:00 pm

1 stop5h 05m

Kansas City

lun. 11/24

5:45 pm-12:15 am

1 stop8h 30m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 $225). 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 octubre 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to Missouri in the afternoon. If you’re flexible enough to do this you can expect to save up to 12% 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 octubre 30, 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
11,217 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

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
11,217 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

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
4,243 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

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
7,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

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
8,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

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
11,035 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

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 25m. Your travel time can differ by up to 5h 15m. 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?

    $99 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 United Airlines, with prices starting from $99 and $125, 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 $225). 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 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$239FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$135Average$183FlexibilityNo cancel feeOn-time65%
DeltaCheapest$159Average$359FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$185Average$435FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$193Average$354FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$226Average$425FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$420FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$248Average$407FlexibilityNo cancel feeOn-time63%

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