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$63+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap flight deals from Missouri to Oregon

Keep the following information in mind while searching for Missouri to Oregon flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$187
(Alaska Airlines)

One-way from

$63
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$362

Good round-trip deal

$217 or less

Good one-way deal

$98 or less
Provider with most accurate pricing for Lambert-St Louis-Portland flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Portland flights.
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From Missouri to Oregon
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One-way flight from Missouri to Oregon
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Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Missouri to Oregon.
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Price to beat on a one-way flight from Missouri to Oregon.
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Find 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 October 16, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:49 pmMCI - PDX
Nonstop3h 58mAlaska Airlines
Sat 11/1510:30 amPDX - MCI
Nonstop3h 24mAlaska Airlines
Deal found 10/16$187
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:28 pmMCI - PDX
1 stop17h 28mFrontier
Mon 11/177:29 pmPDX - MCI
2 stops19h 50mFrontier
Deal found 10/15$190
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:23 pmMCI - PDX
2 stops24h 33mMultiple Airlines
Tue 11/181:26 pmPDX - MCI
1 stop25h 53mMultiple Airlines
Deal found 10/15$192
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Thu 11/138:28 pmMCI - PDX
1 stop17h 28mFrontier
Mon 11/177:29 pmPDX - MCI
2 stops19h 50mFrontier
Deal found 10/14$196
This Delta deal was found by Cheapflights users on 10/15. 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.
Wed 11/126:16 pmMCI - PDX
1 stop7h 42mDelta
Tue 11/1812:35 amPDX - MCI
1 stop7h 17mDelta
Deal found 10/15$197
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/264:35 pmMCI - PDX
1 stop10h 30mSouthwest
Wed 12/105:55 amPDX - MCI
1 stop7h 40mSouthwest
Deal found 10/15$202
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/142:57 pmMCI - PDX
1 stop7h 40mAlaska Airlines
Mon 11/1710:30 amPDX - MCI
Nonstop3h 24mAlaska Airlines
Deal found 10/15$207
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:20 pmMCI - PDX
1 stop8h 00mSouthwest
Sun 11/95:30 amPDX - MCI
1 stop5h 50mSouthwest
Deal found 10/15$212
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/142:57 pmMCI - PDX
1 stop7h 40mAlaska Airlines
Sun 11/166:00 amPDX - MCI
1 stop6h 02mAlaska Airlines
Deal found 10/15$216
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:53 amMCI - PDX
1 stop5h 37mDelta
Sun 11/912:46 pmPDX - MCI
1 stop8h 51mDelta
Deal found 10/16$217
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:47 pmMCI - PDX
2 stops8h 51mUnited Airlines
Wed 11/198:30 amPDX - MCI
1 stop5h 35mUnited Airlines
Deal found 10/15$222
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:40 pmSTL - PDX
2 stops39h 38mFrontier
Mon 11/33:26 pmPDX - STL
1 stop15h 41mFrontier
Deal found 10/16$230

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 October 16, 2025.
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

Sat 11/15

4:49 pm-6:47 pm

Nonstop3h 58m

Portland

Mon 11/17

1:38 pm-11:46 pm

1 stop8h 08m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 11/12

6:16 pm-11:58 pm

1 stop7h 42m

Portland

Tue 11/18

12:35 am-9:52 am

1 stop7h 17m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Thu 11/13

4:49 pm-6:47 pm

Nonstop3h 58m

Portland

Mon 11/17

10:30 am-3:54 pm

Nonstop3h 24m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Mon 11/10

7:00 am-12:38 pm

1 stop7h 38m

Portland

Sat 11/15

10:30 am-3:54 pm

Nonstop3h 24m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 11/26

4:35 pm-1:05 am

1 stop10h 30m

Portland

Wed 12/10

5:55 am-3:35 pm

1 stop7h 40m

$202

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 12/5

6:40 am-12:54 pm

1 stop8h 14m

Portland

Sat 12/6

10:05 am-5:25 pm

1 stop5h 20m

$207

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 12/5

1:34 pm-3:40 pm

Nonstop4h 06m

Portland

Mon 12/8

4:38 pm-11:58 pm

1 stop5h 20m

$207

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 11/7

6:15 pm-10:42 pm

1 stop6h 27m

Portland

Sat 11/8

12:35 am-9:52 am

1 stop7h 17m

$217

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Sun 12/7

5:50 am-9:55 am

1 stop6h 05m

Portland

Sun 12/14

5:30 am-3:35 pm

2 stops8h 05m

$222

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 11/12

2:36 pm-12:14 am

2 stops11h 38m

Portland

Wed 11/19

7:59 pm-8:55 am

2 stops10h 56m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

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, February is the cheapest month in which you can book a flight from Missouri to Oregon (average of $115). Flying from Missouri to Oregon in March is currently the most expensive (average of $227). 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 October 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Missouri to Oregon in the evening. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Missouri to Oregon?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Oregon. Price data was last updated on October 13, 2024.

Travelers seeking maximum savings on their Missouri to Oregon flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 16, 2025.
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.
Alaska Airlines
8.0
Very good
11,100 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,100 reviews
Alaska Airlines
8.0
Very good
11,100 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
11,100 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,984 reviews
Alaska Airlines
8.0
Very good
11,100 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,982 reviews
Alaska Airlines
8.0
Very good
11,100 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,043 reviews
Alaska Airlines
8.0
Very good
11,100 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a 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?

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

  • How long is the flight from Missouri to Oregon?

    Departing from Missouri to Oregon will take you 3h 58m. 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $89. Frontier flights start at $103 while deals on Hawaiian Airlines start at $114 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, February is the cheapest month in which you can book a flight from Missouri to Oregon (average of $115). Flying from Missouri to Oregon in March is currently the most expensive (average of $227). 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

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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.
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Top 8 airlines flying from Missouri to Oregon

Discover the top 8 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$215FlexibilityNo cancel feeOn-time62%
DeltaCheapest$168Average$412FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$185Average$257FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$200Average$481FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$204Average$458FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$207Average$449FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$226Average$424FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$234Average$535FlexibilityNo cancel feeOn-time69%

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