Portland

$54+ Cheap flights from Missouri to Portland (PDX)

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Mar 4 — Mar 111
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Missouri to Portland

Cheapest flights from Missouri to Portland
Explore the most affordable flight options available from Missouri to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Sat 3/78:12 pm
STL
-
PDX
1 stop15h 57m
Frontier
Fri 3/1312:04 pm
PDX
-
STL
1 stop19h 45m
Frontier
Deal found 1/31$133
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Sat 3/78:12 pm
STL
-
PDX
1 stop15h 57m
Frontier
Mon 3/912:52 pm
PDX
-
STL
1 stop28h 19m
Frontier
Deal found 1/31$167
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 2/245:16 pm
MCI
-
PDX
Nonstop4h 04m
Alaska Airlines
Tue 3/310:53 am
PDX
-
MCI
Nonstop3h 29m
Alaska Airlines
Deal found 1/31$177
This WAYA deal was found by Cheapflights users on 1/31. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:16 pm
MCI
-
PDX
Nonstop4h 04m
Multiple Airlines
Mon 3/912:04 pm
PDX
-
MCI
1 stop5h 49m
Multiple Airlines
Deal found 1/31$181
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 2/245:16 pm
MCI
-
PDX
Nonstop4h 04m
Alaska Airlines
Mon 3/910:53 am
PDX
-
MCI
Nonstop3h 29m
Alaska Airlines
Deal found 1/31$187
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Sun 3/86:19 pm
STL
-
PDX
1 stop16h 54m
Frontier
Thu 3/1212:04 pm
PDX
-
STL
1 stop19h 45m
Frontier
Deal found 1/31$197
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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 2/275:16 pm
MCI
-
PDX
Nonstop4h 04m
Alaska Airlines
Mon 3/910:53 am
PDX
-
MCI
Nonstop3h 29m
Alaska Airlines
Deal found 1/31$197
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Sat 3/218:40 pm
MCI
-
PDX
1 stop16h 29m
Frontier
Sun 3/298:53 am
PDX
-
MCI
1 stop26h 20m
Frontier
Deal found 2/1$205
This Delta deal was found by Cheapflights users on 1/31. 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 2/286:30 am
MCI
-
PDX
1 stop7h 55m
Delta
Mon 3/91:10 pm
PDX
-
MCI
1 stop8h 46m
Delta
Deal found 1/31$207
This Southwest deal was found by Cheapflights users on 2/1. 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 3/31:30 pm
MCI
-
PDX
1 stop6h 30m
Southwest
Mon 3/91:30 pm
PDX
-
MCI
2 stops9h 30m
Southwest
Deal found 2/1$212
This Delta deal was found by Cheapflights users on 1/31. 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 2/277:00 am
MCI
-
PDX
1 stop5h 47m
Delta
Sun 3/812:30 am
PDX
-
MCI
1 stop6h 11m
Delta
Deal found 1/31$217
This WAYA deal was found by Cheapflights users on 1/31. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:16 pm
MCI
-
PDX
Nonstop4h 04m
Multiple Airlines
Fri 3/612:04 pm
PDX
-
MCI
1 stop5h 51m
Multiple Airlines
Deal found 1/31$220

Find flight deals from Missouri to Portland

Keep the following information in mind while searching for Missouri to Portland flight deals. Data was last updated February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$133
(Kiwi.com)

One-way from

$54
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$310

Good round-trip deal

$197 or less

Good one-way deal

$155 or less
Provider with most accurate pricing for Lambert-St Louis-Portland flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Portland flights.
From Missouri to Portland
One-way flight from Missouri to Portland
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Missouri to Portland.
Price to beat on a one-way flight from Missouri to Portland.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Portland 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 February 2, 2026.
Use the filters below to find and compare flights from Missouri to Portland that are best for you.

Fly from

Missouri

Fly to

Portland

Route

Depart

Return

Price

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 2/27

5:16 pm-7:20 pm

Nonstop4h 04m

Portland

Sun 3/1

10:53 am-4:22 pm

Nonstop3h 29m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Sat 3/21

3:50 pm-9:10 pm

1 stop7h 20m

Portland

Sat 3/28

6:15 am-2:54 pm

1 stop6h 39m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 3/3

4:12 pm-8:30 pm

1 stop6h 18m

Portland

Sat 3/7

12:05 am-8:41 am

1 stop5h 36m

$207

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 4/20

8:12 pm-1:02 pm

1 stop18h 50m

Portland

Wed 4/22

1:48 pm-7:12 pm

1 stop27h 24m

$222

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 3/4

5:54 am-12:38 pm

2 stops8h 44m

Portland

Tue 3/10

5:05 am-12:54 pm

1 stop5h 49m

$222

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Sun 3/1

5:16 pm-7:20 pm

Nonstop4h 04m

Portland

Sun 3/8

10:53 am-4:22 pm

Nonstop3h 29m

$237

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Sun 2/15

9:12 am-1:44 pm

1 stop6h 32m

Portland

Wed 2/18

12:57 pm-10:40 pm

1 stop7h 43m

$237

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Thu 2/26

5:16 pm-7:20 pm

Nonstop4h 04m

Portland

Tue 3/3

6:00 am-1:55 pm

1 stop5h 55m

$237

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Sun 3/1

7:00 am-10:47 am

1 stop5h 47m

Portland

Fri 3/6

12:40 am-10:48 am

1 stop8h 08m

$238

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 3/4

7:00 am-12:25 pm

1 stop7h 25m

Portland

Mon 3/9

5:02 pm-12:21 am

1 stop5h 19m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 59 results
1
2
3
...
6

Best time to book a flight from Missouri to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Missouri 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 Missouri to Portland

What is the cheapest month to book a flight from Missouri to Portland?

Currently, February is the cheapest month in which you can book a flight from Missouri to Portland (average of $110). Flying from Missouri to Portland in July is currently the most expensive (average of $204). 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 MO to PDX?

Find hourly flight availability from Missouri to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 2, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Portland as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Portland. 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 into for flights to Portland from Missouri?

    If you book a flight to Portland from Missouri, you will be flying to Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland.

  • How popular is this Missouri to Portland flight route?

  • How long is the flight from Missouri to Portland?

    Airlines like Alaska Airlines, Delta, and United Airlines fly from Missouri to Portland in about 4h 04m. The time it takes to get you to your destination can typically vary by up to 3h 16m. The distance between Missouri and Portland 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 Missouri to Portland one-way?

    The cheapest airlines for a one-way flight from Missouri to Portland are Frontier ($78), Hawaiian Airlines ($84), and Alaska Airlines ($88).

  • What are the most popular routes from Missouri to Portland?

  • What are the cheapest flights from Missouri to Portland?

    The cheapest flight price from Missouri to Portland is $114. On average you can expect to pay $298. The most popular route, (Lambert-St Louis - Portland), can usually be booked for $199.

  • Can I find deals for flights from Missouri to Portland that include hotel bookings?

    Yes. In addition to deals on Missouri to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Portland.

  • Can I find deals for business class flights from Missouri to Portland?

    Yes. Cheapflights offers flight deals from Missouri to Portland 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 Missouri to Portland?

    Currently, February is the cheapest month in which you can book a flight from Missouri to Portland (average of $110). Flying from Missouri to Portland in July is currently the most expensive (average of $204). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Clackamas
Lincoln City
Longview
Lake Oswego
Beaverton
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Depoe Bay
Wilsonville
Stevenson
Tillamook
Pacific City
Gresham

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Missouri to Portland

Discover the top 7 airlines that operate flights from Missouri to Portland. 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 February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$228FlexibilityNo cancel feeOn-time62%
DeltaCheapest$148Average$323FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$163Average$443FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$177Average$359FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$188Average$433FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$386FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$216Average$429FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.