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$75+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$194
(Netflights)

One-way from

$75
(CheapOair)

Popular in

May

Cheapest in

February

Average price

$387

Good round-trip deal

$297 or less

Good one-way deal

$128 or less
From Missouri to Portland
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One-way flight from Missouri to Portland
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Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
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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 July 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 July 31, 2025.

This Netflights deal was found by Cheapflights users on 7/29. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/234:55 pmMCI - PDX
Nonstop3h 51mHawaiian Airlines
Sat 8/3010:30 amPDX - MCI
Nonstop3h 31mHawaiian Airlines
Deal found 7/29$194
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 9/24:55 pmMCI - PDX
Nonstop3h 51mAlaska Airlines
Sat 9/610:30 amPDX - MCI
Nonstop3h 31mAlaska Airlines
Deal found 7/29$197
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:55 pmMCI - PDX
1 stop6h 09mMultiple Airlines
Thu 9/116:05 amPDX - MCI
1 stop5h 43mMultiple Airlines
Deal found 7/29$201
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/82:55 pmMCI - PDX
1 stop6h 09mSpirit Airlines
Mon 10/208:04 pmPDX - MCI
1 stop15h 56mSpirit Airlines
Deal found 7/31$208
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/88:01 pmMCI - PDX
1 stop6h 14mFrontier
Wed 8/136:35 amPDX - MCI
1 stop9h 48mFrontier
Deal found 7/30$228
This Delta deal was found by Cheapflights users on 7/29. 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 9/136:00 amSTL - PDX
1 stop8h 35mDelta
Fri 9/1912:45 amPDX - STL
1 stop5h 52mDelta
Deal found 7/29$229
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/203:05 pmMCI - PDX
2 stops8h 50mSouthwest
Mon 8/256:35 amPDX - MCI
1 stop7h 30mSouthwest
Deal found 7/30$232
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:00 pmSTL - PDX
1 stop7h 30mSouthwest
Fri 9/129:05 pmPDX - STL
2 stops12h 25mSouthwest
Deal found 7/31$234
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:33 pmMCI - PDX
1 stop7h 58mDelta
Thu 8/2812:35 pmPDX - MCI
1 stop8h 41mDelta
Deal found 7/30$237
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 9/26:00 amMCI - PDX
1 stop5h 28mUnited Airlines
Sat 9/65:00 amPDX - MCI
2 stops8h 56mUnited Airlines
Deal found 7/29$245
This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/17:29 pmSTL - PDX
1 stop6h 46mFrontier
Tue 8/57:01 pmPDX - STL
1 stop12h 10mFrontier
Deal found 7/31$248
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 9/116:30 pmSTL - PDX
1 stop6h 17mAlaska Airlines
Mon 9/151:24 pmPDX - STL
1 stop8h 35mAlaska Airlines
Deal found 7/31$249

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 July 31, 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

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Sat 8/23

4:55 pm-6:46 pm

Nonstop3h 51m

Portland

Sat 8/30

10:30 am-4:01 pm

Nonstop3h 31m

$194

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 9/2

4:55 pm-6:46 pm

Nonstop3h 51m

Portland

Sat 9/6

10:30 am-4:01 pm

Nonstop3h 31m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Mon 9/8

2:55 pm-7:04 pm

1 stop6h 09m

Portland

Thu 9/11

6:05 am-1:48 pm

1 stop5h 43m

$201

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 10/8

2:55 pm-7:04 pm

1 stop6h 09m

Portland

Mon 10/20

8:04 pm-2:00 pm

1 stop15h 56m

$208

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 8/8

8:01 pm-12:15 am

1 stop6h 14m

Portland

Wed 8/13

6:35 am-6:23 pm

1 stop9h 48m

$228

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 9/13

6:00 am-12:35 pm

1 stop8h 35m

Portland

Fri 9/19

12:45 am-8:37 am

1 stop5h 52m

$229

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 8/20

3:05 pm-9:55 pm

2 stops8h 50m

Portland

Mon 8/25

6:35 am-4:05 pm

1 stop7h 30m

$232

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 9/9

3:00 pm-8:30 pm

1 stop7h 30m

Portland

Fri 9/12

9:05 pm-11:30 am

2 stops12h 25m

$234

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 8/22

5:33 pm-11:31 pm

1 stop7h 58m

Portland

Thu 8/28

12:35 pm-11:16 pm

1 stop8h 41m

$237

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 9/2

6:00 am-9:28 am

1 stop5h 28m

Portland

Sat 9/6

5:00 am-3:56 pm

2 stops8h 56m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 43 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 July 31, 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.

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 July 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Missouri to Portland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 ($75), Alaska Airlines ($99), and United Airlines ($104).

  • 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.

  • 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 Portland?

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

Browse thousands of different options on Cheapflights for your next trip

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$183FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$122Average$254FlexibilityNo cancel feeOn-time65%
DeltaCheapest$176Average$324FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$210Average$428FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$223Average$459FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$225Average$430FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$226Average$405FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$246Average$441FlexibilityNo cancel feeOn-time69%

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