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$79+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
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 septiembre 16, 2025.

Round-trip from

$201
(Kiwi.com)

One-way from

$79
(Frontier)

Popular in

May

Cheapest in

February

Average price

$308

Good round-trip deal

$257 or less

Good one-way deal

$108 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 September 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 septiembre 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
dom. 10/128:38 pmMCI - PDX
2 stops26h 09mFrontier
vie. 10/2412:43 pmPDX - MCI
1 stop27h 12mFrontier
Deal found 9/14$201
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
mié. 10/87:02 pmMCI - PDX
1 stop18h 36mFrontier
mié. 10/2212:43 pmPDX - MCI
1 stop29h 10mFrontier
Deal found 9/14$202
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
mié. 10/227:02 pmMCI - PDX
1 stop18h 36mFrontier
dom. 10/267:30 pmPDX - MCI
2 stops22h 23mFrontier
Deal found 9/14$203
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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. 10/165:57 pmMCI - PDX
Nonstop3h 53mAlaska Airlines
mar. 10/2110:59 amPDX - MCI
Nonstop3h 23mAlaska Airlines
Deal found 9/15$207
This Mytrip deal was found by Cheapflights users on 9/16. 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.
vie. 10/178:38 pmMCI - PDX
1 stop17h 10mFrontier
lun. 10/2012:43 pmPDX - MCI
1 stop5h 10mFrontier
Deal found 9/16$208
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/185:57 pmMCI - PDX
Nonstop3h 53mHawaiian Airlines
sáb. 10/252:30 pmPDX - MCI
1 stop7h 29mHawaiian Airlines
Deal found 9/14$209
This Frontier deal was found by Cheapflights users on 9/14. 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.
mié. 10/157:02 pmMCI - PDX
2 stops15h 21mFrontier
jue. 10/2312:43 pmPDX - MCI
1 stop5h 10mFrontier
Deal found 9/14$212
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
mié. 10/227:02 pmMCI - PDX
1 stop18h 36mFrontier
sáb. 11/112:52 pmPDX - MCI
2 stops20h 25mFrontier
Deal found 9/14$214
This CheapOair deal was found by Cheapflights users on 9/15. 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.
lun. 10/138:38 pmMCI - PDX
1 stop17h 10mFrontier
lun. 10/2012:43 pmPDX - MCI
1 stop5h 10mFrontier
Deal found 9/15$216
This Delta deal was found by Cheapflights users on 9/15. 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.
mar. 10/143:42 pmMCI - PDX
1 stop9h 11mDelta
vie. 10/1712:40 amPDX - MCI
1 stop7h 28mDelta
Deal found 9/15$217
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
sáb. 10/257:02 pmMCI - PDX
1 stop18h 46mFrontier
jue. 10/3012:52 pmPDX - MCI
1 stop28h 41mFrontier
Deal found 9/14$218
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
mié. 10/157:02 pmMCI - PDX
2 stops15h 21mFrontier
mié. 10/2212:43 pmPDX - MCI
1 stop29h 10mFrontier
Deal found 9/14$219

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 septiembre 16, 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

jue. 11/13

4:49 pm-6:47 pm

Nonstop3h 58m

Portland

mié. 11/19

10:30 am-3:54 pm

Nonstop3h 24m

$207

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

jue. 10/16

5:57 pm-7:50 pm

Nonstop3h 53m

Portland

mar. 10/21

10:59 am-4:22 pm

Nonstop3h 23m

$207

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

mié. 11/5

4:49 pm-6:47 pm

Nonstop3h 58m

Portland

lun. 11/10

10:30 am-3:54 pm

Nonstop3h 24m

$207

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

mar. 10/14

3:42 pm-10:53 pm

1 stop9h 11m

Portland

mar. 10/21

5:00 pm-12:18 am

1 stop5h 18m

$217

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

jue. 11/6

4:49 pm-6:47 pm

Nonstop3h 58m

Portland

dom. 11/9

10:30 am-3:54 pm

Nonstop3h 24m

$217

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

mié. 10/15

6:53 am-10:30 am

1 stop5h 37m

Portland

mar. 10/21

12:25 pm-11:27 pm

1 stop9h 02m

$217

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

mar. 10/14

5:45 am-9:03 am

1 stop5h 18m

Portland

sáb. 10/18

12:25 pm-10:10 pm

1 stop7h 45m

$217

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

mié. 10/15

5:57 pm-7:50 pm

Nonstop3h 53m

Portland

mié. 10/22

1:25 pm-11:59 pm

1 stop8h 34m

$217

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

mié. 10/22

6:53 am-10:30 am

1 stop5h 37m

Portland

sáb. 11/1

9:58 am-5:03 pm

1 stop5h 05m

$217

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

mar. 10/14

5:57 pm-7:50 pm

Nonstop3h 53m

Portland

lun. 10/20

1:25 pm-11:59 pm

1 stop8h 34m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 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 septiembre 16, 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.

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.

  • How long is the flight from Missouri to Portland?

    Airlines like Alaska Airlines, Delta, and Hawaiian Airlines fly from Missouri to Portland in about 3h 58m. The time it takes to get you to your destination can typically vary by up to 5h 13m. 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 Alaska Airlines ($99), Hawaiian Airlines ($99), and American Airlines ($124).

  • 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
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Troutdale
Gresham
Silverton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Portland

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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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$202FlexibilityNo cancel feeOn-time62%
DeltaCheapest$173Average$327FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$185Average$257FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$204Average$433FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$207Average$451FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$215Average$378FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$226Average$393FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$238Average$441FlexibilityNo cancel feeOn-time69%

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