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$122+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Missouri to Portland

Keep the following information in mind while searching for Missouri to Portland flight deals. Data was last updated June 12, 2025.

Round-trip from

$277
(Gotogate)

One-way from

$122
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$405

Good round-trip deal

$312 or less

Good one-way deal

$203 or less
From Missouri to Portland
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One-way flight from Missouri to Portland
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Missouri to Portland.
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Price to beat on a one-way flight from Missouri to Portland.
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Find 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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:29 pmSTL - PDX
1 stop29h 10mFrontier
Mon 9/86:05 amPDX - STL
1 stop25h 02mFrontier
Deal found 6/11$277
This American Airlines deal was found by Cheapflights users on 6/9. 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 9/35:55 amSTL - PDX
1 stop10h 38mAmerican Airlines
Sat 9/66:07 amPDX - STL
1 stop7h 17mAmerican Airlines
Deal found 6/9$282
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 8/215:50 amMCI - PDX
1 stop6h 54mAmerican Airlines
Thu 8/213:22 pmPDX - MCI
1 stop6h 37mAmerican Airlines
Deal found 6/12$283
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:50 pmMCI - PDX
1 stop15h 28mSpirit Airlines
Fri 7/113:10 pmPDX - MCI
3 stops20h 34mSpirit Airlines
Deal found 6/11$284
This Southwest deal was found by Cheapflights users on 6/10. 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.
Wed 8/273:05 pmMCI - PDX
1 stop8h 50mSouthwest
Wed 9/37:10 amPDX - MCI
2 stops8h 55mSouthwest
Deal found 6/10$288
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 9/66:00 pmSGF - PDX
1 stop7h 54mAmerican Airlines
Sat 9/138:59 amPDX - SGF
1 stop7h 05mAmerican Airlines
Deal found 6/12$289
This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:02 pmMCI - PDX
1 stop8h 13mFrontier
Mon 9/86:05 amPDX - MCI
1 stop10h 58mFrontier
Deal found 6/12$291
This Delta deal was found by Cheapflights users on 6/10. 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 9/137:30 amSTL - PDX
1 stop7h 07mDelta
Fri 9/1912:40 amPDX - STL
1 stop6h 04mDelta
Deal found 6/10$297
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 8/274:55 pmMCI - PDX
Nonstop3h 51mAlaska Airlines
Tue 9/210:30 amPDX - MCI
Nonstop3h 31mAlaska Airlines
Deal found 6/11$297
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:35 pmSTL - PDX
2 stops9h 03mUnited Airlines
Fri 11/147:00 amPDX - STL
1 stop6h 29mUnited Airlines
Deal found 6/11$302
This Southwest deal was found by Cheapflights users on 6/10. 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 7/172:50 pmSTL - PDX
1 stop7h 10mSouthwest
Tue 7/226:05 amPDX - STL
1 stop7h 05mSouthwest
Deal found 6/10$307
This Delta deal was found by Cheapflights users on 6/10. 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 7/252:30 pmMCI - PDX
1 stop5h 30mDelta
Fri 8/112:40 amPDX - MCI
1 stop6h 00mDelta
Deal found 6/10$307

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 June 12, 2025.
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

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 8/18

7:29 pm-10:39 pm

1 stop29h 10m

Portland

Mon 9/8

6:05 am-9:07 am

1 stop25h 02m

$277

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 9/3

5:55 am-2:33 pm

1 stop10h 38m

Portland

Sat 9/6

6:07 am-3:24 pm

1 stop7h 17m

$282

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Thu 8/21

5:50 am-10:44 am

1 stop6h 54m

Portland

Thu 8/21

3:22 pm-11:59 pm

1 stop6h 37m

$283

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 7/8

7:50 pm-9:18 am

1 stop15h 28m

Portland

Fri 7/11

3:10 pm-1:44 pm

3 stops20h 34m

$284

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 8/27

3:05 pm-9:55 pm

1 stop8h 50m

Portland

Wed 9/3

7:10 am-6:05 pm

2 stops8h 55m

$288

SpringfieldPortland

SGF - PDX

SGFPDX

Springfield-Branson

Sat 9/6

6:00 pm-11:54 pm

1 stop7h 54m

Portland

Sat 9/13

7:39 am-6:04 pm

1 stop8h 25m

$289

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 8/29

6:02 pm-12:15 am

1 stop8h 13m

Portland

Mon 9/8

6:05 am-7:03 pm

1 stop10h 58m

$291

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 8/30

6:00 am-10:40 am

1 stop6h 40m

Portland

Sat 9/6

5:35 am-1:29 pm

1 stop5h 54m

$297

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 8/27

4:55 pm-6:46 pm

Nonstop3h 51m

Portland

Sat 8/30

10:30 am-4:01 pm

Nonstop3h 31m

$297

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 9/3

1:39 pm-5:21 pm

1 stop5h 42m

Portland

Sat 9/6

5:00 am-3:44 pm

2 stops8h 44m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 52 results
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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, November is the cheapest month in which you can book a flight from Missouri to Portland (average of $277). Flying from Missouri to Portland in March is currently the most expensive (average of $368). 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 June 12, 2025.

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.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Missouri to Portland, such as Alaska Airlines, Southwest and Delta. 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
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    Flights from Missouri to Portland have been viewed 1 times in the past calendar month.

  • 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 Spirit Airlines ($122), United Airlines ($125), and Frontier ($135).

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

    While some choose either Lambert-St Louis - Portland or Springfield-Branson - Portland, Kansas City - Portland is the most popular route from Missouri to Portland.

  • What are the cheapest flights from Missouri to Portland?

    The cheapest flight price from Missouri to Portland is $398. On average you can expect to pay $545. The most popular route, (Kansas City - Portland), can usually be booked for $179.

  • 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, November is the cheapest month in which you can book a flight from Missouri to Portland (average of $277). Flying from Missouri to Portland in March is currently the most expensive (average of $368). 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 Missouri?

Book flights to Missouri if you plan to visit one of these locations
Seaside
Vancouver
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Longview
Hood River
Depoe Bay
Woodburn
Stevenson
Pacific City
Troutdale

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Alternative routes for Missouri to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Missouri to Portland

Discover the top 8 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$186FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$122Average$210FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$170Average$426FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$326FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$215Average$447FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$226Average$415FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$226Average$426FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$298Average$429FlexibilityNo cancel feeOn-time85%

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