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$82+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$227
(Delta)

One-way from

$82
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$387

Good round-trip deal

$363 or less

Good one-way deal

$238 or less
Provider with most accurate pricing for Kansas City-Portland flight deals.
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Provider most trusted by Cheapflights users for Kansas City-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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High demand for flights, 0% potential price rise
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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 May 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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. 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 5/302:15 pmSTL - PDX
1 stop9h 46mDelta
Fri 6/611:11 pmPDX - STL
1 stop8h 24mDelta
Deal found 4/30$227
This FlightHub deal was found by Cheapflights users on 5/1. 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.
Thu 5/14:07 pmSTL - PDX
1 stop10h 31mFrontier
Sun 5/46:20 amPDX - STL
1 stop24h 49mFrontier
Deal found 5/1$228
This Frontier deal was found by Cheapflights users on 5/1. 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.
Sat 5/247:55 pmSTL - BOI
1 stop16h 56mFrontier
Sun 6/112:36 pmBOI - STL
1 stop19h 36mFrontier
Deal found 5/1$228
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/31:42 pmSTL - PDX
1 stop5h 47mUnited Airlines
Sat 6/75:00 amPDX - STL
2 stops8h 30mUnited Airlines
Deal found 4/30$232
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 8/305:45 amMCI - BOI
1 stop7h 28mDelta
Tue 9/93:00 pmBOI - MCI
1 stop6h 57mDelta
Deal found 4/30$267
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 10/45:05 pmSGF - BOI
1 stop6h 16mUnited Airlines
Tue 10/142:13 pmBOI - SGF
2 stops8h 29mUnited Airlines
Deal found 5/1$274
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/31:59 pmSTL - PDX
1 stop8h 37mAmerican Airlines
Fri 6/612:09 amPDX - STL
1 stop5h 59mAmerican Airlines
Deal found 4/30$277
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/133:35 pmSTL - BOI
1 stop8h 05mHawaiian Airlines
Sat 9/206:35 amBOI - STL
1 stop7h 04mHawaiian Airlines
Deal found 4/30$286
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 5/287:30 amSTL - BOI
1 stop5h 24mDelta
Fri 6/67:18 pmBOI - STL
1 stop4h 41mDelta
Deal found 4/29$287
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 5/315:31 amSGF - PDX
1 stop6h 53mAmerican Airlines
Sat 6/712:09 amPDX - SGF
1 stop7h 41mAmerican Airlines
Deal found 5/1$289
This Southwest deal was found by Cheapflights users on 5/1. 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 5/2811:05 amSTL - PDX
2 stops9h 55mSouthwest
Sat 5/316:45 amPDX - STL
1 stop9h 00mSouthwest
Deal found 5/1$298
This Southwest deal was found by Cheapflights users on 4/30. 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.
Sat 8/305:35 pmMCI - BOI
1 stop6h 30mSouthwest
Sun 9/74:05 pmBOI - MCI
1 stop8h 20mSouthwest
Deal found 4/30$305

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 May 1, 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

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 5/30

2:15 pm-10:01 pm

1 stop9h 46m

Portland

Tue 6/3

11:11 pm-9:35 am

1 stop8h 24m

$227

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Thu 5/29

2:25 pm-1:05 pm

1 stop24h 40m

Portland

Thu 6/5

6:35 am-9:12 am

1 stop24h 37m

$228

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Sat 5/24

7:55 pm-11:51 am

1 stop16h 56m

Boise Air Term. Gowen Fld

Sun 6/1

12:36 pm-9:12 am

1 stop19h 36m

$228

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 6/3

1:42 pm-5:29 pm

1 stop5h 47m

Portland

Sat 6/7

5:00 am-3:30 pm

2 stops8h 30m

$232

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Sat 8/30

5:45 am-12:13 pm

1 stop7h 28m

Boise Air Term. Gowen Fld

Tue 9/9

3:00 pm-10:57 pm

1 stop6h 57m

$267

SpringfieldBoise

SGF - BOI

SGFBOI

Springfield-Branson

Sat 10/4

5:05 pm-10:21 pm

1 stop6h 16m

Boise Air Term. Gowen Fld

Tue 10/14

2:13 pm-11:42 pm

2 stops8h 29m

$274

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 6/3

3:58 pm-9:21 pm

1 stop7h 23m

Portland

Mon 6/9

12:09 am-8:05 am

1 stop5h 56m

$277

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Sat 9/13

3:35 pm-10:40 pm

1 stop8h 05m

Boise Air Term. Gowen Fld

Sat 9/20

6:35 am-2:39 pm

1 stop7h 04m

$286

St. LouisBoise

STL - BOI

STLBOI

Lambert-St Louis

Wed 5/28

7:30 am-11:54 am

1 stop5h 24m

Boise Air Term. Gowen Fld

Fri 6/6

7:18 pm-12:59 am

1 stop4h 41m

$287

SpringfieldPortland

SGF - PDX

SGFPDX

Springfield-Branson

Sat 5/31

5:31 am-10:24 am

1 stop6h 53m

Portland

Sat 6/7

12:09 am-9:50 am

1 stop7h 41m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

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, November is the cheapest month in which you can book a flight from Missouri to Oregon (average of $277). Flying from Missouri to Oregon 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 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 May 1, 2025.

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.

Rainfall in Oregon by month

Plan your trip to Oregon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oregon ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Oregon when rainfall is around 0.7 in.

Temperature in Oregon by month

Plan your trip to Oregon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oregon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 May 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Missouri to Oregon. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,293 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $82. Frontier flights start at $98 while deals on Southwest start at $109 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, November is the cheapest month in which you can book a flight from Missouri to Oregon (average of $277). Flying from Missouri to Oregon 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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$94Average$202FlexibilityNo cancel feeOn-time65%
FrontierCheapest$108Average$190FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$169Average$502FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$183Average$449FlexibilityNo cancel feeOn-time85%
DeltaCheapest$196Average$461FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$215Average$498FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$226Average$444FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$233Average$536FlexibilityNo cancel feeOn-time69%

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