HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oregon

$61+ 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
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Oregon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 6, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$119
(Mytrip)

One-way from

$61
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$328

Good round-trip deal

$217 or less

Good one-way deal

$256 or less
Provider with most accurate pricing for Lambert-St Louis-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Portland flights.
Search Deals
From Missouri to Oregon
Search Deals
One-way flight from Missouri to Oregon
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Missouri to Oregon.
Search Deals
Price to beat on a one-way flight from Missouri to Oregon.
Search Deals

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 November 6, 2025.

This Mytrip deal was found by Cheapflights users on 11/6. 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.
Thu 12/48:09 pmMCI - BOI
1 stop16h 40mFrontier
Thu 12/1112:44 pmBOI - MCI
1 stop24h 09mFrontier
Deal found 11/6$119
This Booking.com deal was found by Cheapflights users on 11/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:09 pmMCI - BOI
1 stop16h 40mFrontier
Sun 12/712:44 pmBOI - MCI
1 stop6h 06mFrontier
Deal found 11/5$135
This Mytrip deal was found by Cheapflights users on 11/6. 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.
Thu 12/41:16 pmSTL - PDX
1 stop22h 18mFrontier
Thu 12/1112:51 pmPDX - STL
1 stop19h 23mFrontier
Deal found 11/6$147
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Wed 12/243:59 pmPDX - STL
2 stops28h 34mFrontier
Deal found 11/6$174
This CheapOair deal was found by Cheapflights users on 11/6. 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.
Sat 11/158:28 pmMCI - PDX
1 stop17h 28mFrontier
Mon 11/243:59 pmPDX - MCI
1 stop25h 35mFrontier
Deal found 11/6$183
This Delta deal was found by Cheapflights users on 11/6. 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 12/1310:45 amMCI - PDX
1 stop8h 58mDelta
Mon 12/151:59 pmPDX - MCI
1 stop7h 11mDelta
Deal found 11/6$187
This Southwest deal was found by Cheapflights users on 11/5. 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.
Sat 12/2011:15 amMCI - PDX
1 stop9h 40mSouthwest
Sun 12/289:00 pmPDX - MCI
1 stop11h 30mSouthwest
Deal found 11/5$192
This Delta deal was found by Cheapflights users on 11/5. 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 12/123:55 pmMCI - PDX
1 stop9h 01mDelta
Sat 12/1312:32 amPDX - MCI
1 stop7h 28mDelta
Deal found 11/5$197
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Tue 12/302:29 pmPDX - STL
2 stops17h 33mFrontier
Deal found 11/6$202
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Thu 12/2512:39 pmPDX - STL
2 stops29h 08mFrontier
Deal found 11/6$211
This CheapOair deal was found by Cheapflights users on 11/4. 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 11/108:28 pmMCI - PDX
1 stop17h 28mFrontier
Mon 11/243:59 pmPDX - MCI
1 stop25h 35mFrontier
Deal found 11/4$213
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/67:43 pmSTL - PDX
1 stop18h 13mFrontier
Sat 12/139:48 amPDX - STL
2 stops24h 24mFrontier
Deal found 11/6$214

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 November 6, 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 CityBoise

MCI - BOI

MCIBOI

Kansas City

Thu 12/4

10:52 am-11:49 am

2 stops25h 57m

Boise Air Term. Gowen Fld

Thu 12/11

12:44 pm-1:53 pm

1 stop24h 09m

$173

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Thu 1/8

2:25 pm-7:51 pm

1 stop7h 26m

Portland

Tue 1/13

6:00 am-4:47 pm

1 stop8h 47m

$186

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 1/7

6:30 am-12:32 pm

1 stop8h 02m

Portland

Mon 1/12

1:30 pm-11:23 pm

1 stop7h 53m

$187

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 12/5

8:45 am-1:30 pm

1 stop6h 45m

Portland

Fri 12/12

5:30 am-1:20 pm

1 stop5h 50m

$192

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 12/12

6:00 pm-12:15 am

1 stop8h 15m

Portland

Sun 12/14

5:30 am-1:20 pm

1 stop5h 50m

$192

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Thu 1/8

1:30 pm-6:00 pm

1 stop6h 30m

Portland

Mon 1/12

6:20 am-1:15 pm

1 stop4h 55m

$197

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

Sat 1/17

3:32 pm-11:02 pm

2 stops9h 30m

Eugene

Wed 2/18

6:00 am-8:45 pm

2 stops12h 45m

$234

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 12/6

6:39 am-6:50 pm

2 stops14h 11m

Portland

Sat 12/13

2:23 pm-12:50 am

2 stops8h 27m

$236

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Sun 12/21

9:00 pm-12:25 am

1 stop5h 25m

Portland

Sat 1/10

12:30 pm-8:15 pm

1 stop5h 45m

$237

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Thu 12/4

6:22 pm-12:04 am

1 stop7h 42m

Portland

Tue 12/9

12:32 am-10:00 am

1 stop7h 28m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 60 results
1
2
3
...
6

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 $116). 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 November 6, 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 22% on your trip compared to booking a flight in the afternoon.

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 December 16, 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 November 6, 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
11,247 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

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
11,247 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

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
11,247 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

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
7.9
Good
8,001 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

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
9,007 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

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
11,040 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

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 7h 26m. 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 $67. Alaska Airlines flights start at $79 while deals on United Airlines start at $119 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 $116). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to Oregon

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Fort Lauderdale flights
John F Kennedy Intl to Fort Lauderdale flights
Los Angeles to John F Kennedy Intl flights
Newark to Miami flights
John F Kennedy Intl to Miami flights
John F Kennedy Intl to Los Angeles flights
LaGuardia to Fort Lauderdale flights
Los Angeles to Newark flights
Dallas/Fort Worth to John F Kennedy Intl flights
LaGuardia to Miami flights
Dallas/Fort Worth to LaGuardia flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to Dallas/Fort Worth flights
O'Hare Intl to John F Kennedy Intl flights
Newark to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to Newark flights
Newark to Dallas/Fort Worth flights
San Francisco to John F Kennedy Intl flights
John F Kennedy Intl to O'Hare Intl flights
Newark to Orlando flights
Atlanta to John F Kennedy Intl flights
San Francisco to Los Angeles flights
John F Kennedy Intl to San Francisco flights
Newark to Las Vegas flights
Seattle to Los Angeles flights
Dallas/Fort Worth to Las Vegas flights
LaGuardia to Dallas/Fort Worth flights
Fort Lauderdale to Newark flights
Los Angeles to Dallas/Fort Worth flights
San Francisco to Newark flights
Dulles Intl to Dallas/Fort Worth flights
LaGuardia to Hobby flights
Los Angeles to LaGuardia flights
John F Kennedy Intl to West Palm Beach flights
Seattle to Las Vegas flights
Newark to West Palm Beach flights
Newark to Hobby flights
Los Angeles to Honolulu flights
John F Kennedy Intl to Hobby flights
Hobby to LaGuardia flights
LaGuardia to Orlando flights
San Francisco to Ontario flights
Dallas/Fort Worth to Orlando flights
Los Angeles to Seattle flights
Newark to Tampa flights
Atlanta to LaGuardia flights
Orlando to John F Kennedy Intl flights
Newark to San Francisco flights
O'Hare Intl to Las Vegas flights

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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$215FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$119Average$252FlexibilityNo cancel feeOn-time65%
DeltaCheapest$163Average$441FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$188Average$458FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$197Average$484FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$207Average$449FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$226Average$423FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$235Average$544FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.