Oregon

$66+ Cheap flights from Missouri to Oregon

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
มี.ค. 13 — มี.ค. 201
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Cheap flight deals from Missouri to Oregon

Cheapest flights from Missouri to Oregon
Explore the most affordable flight options available from Missouri to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on กุมภาพันธ์ 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
จ. 5/48:12 pm
STL
-
PDX
1 stop18h 50m
Frontier
ศ. 5/811:48 am
PDX
-
STL
1 stop29h 24m
Frontier
Deal found 2/8$136
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
จ. 5/48:12 pm
STL
-
PDX
1 stop18h 50m
Frontier
พ. 5/61:48 pm
PDX
-
STL
1 stop27h 24m
Frontier
Deal found 2/8$147
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
จ. 5/48:12 pm
STL
-
PDX
1 stop18h 50m
Frontier
พฤ. 5/711:48 am
PDX
-
STL
1 stop29h 24m
Frontier
Deal found 2/8$172
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
พ. 5/65:11 pm
MCI
-
PDX
Nonstop3h 52m
Alaska Airlines
พ. 5/1310:40 am
PDX
-
MCI
Nonstop3h 36m
Alaska Airlines
Deal found 2/9$177
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ส. 5/22:51 pm
MCI
-
PDX
1 stop22h 12m
Frontier
ส. 5/912:27 pm
PDX
-
MCI
1 stop23h 03m
Frontier
Deal found 2/10$182
This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อา. 3/15:16 pm
MCI
-
PDX
Nonstop4h 04m
Alaska Airlines
อ. 3/1010:53 am
PDX
-
MCI
Nonstop3h 29m
Alaska Airlines
Deal found 2/7$187
This Southwest deal was found by Cheapflights users on 2/8. 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.
พ. 3/45:40 pm
MCI
-
PDX
1 stop6h 55m
Southwest
อ. 3/105:25 am
PDX
-
MCI
1 stop6h 05m
Southwest
Deal found 2/8$192
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
ศ. 3/62:09 pm
MCI
-
PDX
1 stop20h 19m
Frontier
ศ. 3/1312:04 pm
PDX
-
MCI
1 stop5h 51m
Frontier
Deal found 2/7$194
This American Airlines deal was found by Cheapflights users on 2/8. 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.
พ. 4/156:06 pm
MCI
-
PDX
1 stop7h 51m
American Airlines
ศ. 4/1712:59 am
PDX
-
MCI
1 stop7h 16m
American Airlines
Deal found 2/8$197
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
อา. 5/38:12 pm
STL
-
PDX
1 stop16h 51m
Frontier
ศ. 5/811:48 am
PDX
-
STL
1 stop29h 24m
Frontier
Deal found 2/8$200
This CheapOair deal was found by Cheapflights users on 2/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
พฤ. 4/162:15 pm
MCI
-
PDX
1 stop22h 48m
Frontier
อา. 4/1911:48 am
PDX
-
MCI
1 stop23h 42m
Frontier
Deal found 2/9$201
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ส. 4/188:12 pm
STL
-
PDX
2 stops17h 45m
Frontier
พฤ. 4/2311:48 am
PDX
-
STL
1 stop29h 24m
Frontier
Deal found 2/10$202

Find flight deals from Missouri to Oregon

Keep the following information in mind while searching for Missouri to Oregon flight deals. Data was last updated กุมภาพันธ์ 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$136
(Kiwi.com)

One-way from

$66
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$356

Good round-trip deal

$197 or less

Good one-way deal

$134 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 Oregon
One-way flight from Missouri to Oregon
Highest demand for flights based on searches. 6% potential increase in price ($24 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($11 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 Oregon.
Price to beat on a one-way flight from Missouri to Oregon.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Oregon 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 กุมภาพันธ์ 11, 2026.
Use the filters below to find and compare flights from Missouri to Oregon that are best for you.

Fly from

Missouri

Fly to

Oregon

Route

Depart

Return

Price

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

อ. 3/10

9:05 am-1:40 pm

1 stop6h 35m

Portland

ส. 3/14

5:00 pm-1:55 am

1 stop6h 55m

$192

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

ส. 5/9

5:20 am-12:35 pm

1 stop9h 15m

Portland

พ. 5/13

5:40 am-4:00 pm

1 stop8h 20m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

จ. 3/9

8:11 pm-11:54 pm

1 stop5h 43m

Portland

อา. 3/15

12:30 am-8:41 am

1 stop6h 11m

$217

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

พฤ. 4/30

8:20 pm-12:55 am

1 stop6h 35m

Portland

อา. 5/3

5:50 pm-1:50 am

1 stop6h 00m

$217

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

อ. 3/10

6:00 am-12:33 pm

2 stops8h 33m

Portland

ส. 3/14

4:07 pm-11:15 pm

1 stop5h 08m

$222

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

ส. 5/16

6:20 pm-8:37 pm

Nonstop4h 17m

Portland

อ. 5/19

11:18 am-5:06 pm

Nonstop3h 48m

$229

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

อา. 3/1

5:16 pm-7:20 pm

Nonstop4h 04m

Portland

ส. 3/7

9:19 pm-12:55 pm

1 stop13h 36m

$237

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

อา. 2/22

5:54 am-9:42 am

1 stop5h 48m

Portland

พ. 2/25

11:59 pm-10:36 am

1 stop8h 37m

$237

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

ศ. 4/24

2:58 pm-9:31 pm

1 stop8h 33m

Portland

อ. 4/28

10:45 am-4:17 pm

Nonstop3h 32m

$237

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

ส. 4/18

6:15 am-11:49 am

1 stop6h 34m

Boise Air Term. Gowen Fld

ส. 4/25

5:00 am-12:48 pm

1 stop6h 48m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 60 results
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Best time to book a flight from Missouri to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon 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 Oregon

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

Currently, August is the cheapest month in which you can book a flight from Missouri to Oregon (average of $121). Flying from Missouri to Oregon 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 OR?

Find hourly flight availability from Missouri to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated กุมภาพันธ์ 11, 2026.

When flying from Missouri to Oregon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated กุมภาพันธ์ 11, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Missouri to Oregon by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Oregon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Missouri to Oregon flight route?

  • How long is the flight from Missouri to Oregon?

    Departing from Missouri to Oregon will take you 5h 43m. Airlines will cover a distance of 1477 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to Oregon one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $78. Hawaiian Airlines flights start at $84 while deals on Alaska Airlines start at $88 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Missouri to Oregon (average of $121). Flying from Missouri to Oregon 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Oregon

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

Top 7 airlines flying from Missouri to Oregon

Discover the top 7 airlines that operate flights from Missouri to Oregon. 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 กุมภาพันธ์ 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$236FlexibilityNo cancel feeOn-time62%
DeltaCheapest$148Average$407FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$163Average$443FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$177Average$451FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$188Average$473FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$196Average$413FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$216Average$513FlexibilityNo cancel feeOn-time69%

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