How many flights depart from Missouri to Oregon on average per week?

As of August 2026, there are 6 flights per week flying from Missouri to Oregon. The most common day of the week flights depart is Thu, with 50% of flights taking off on this day.

How long is the flight from Missouri to Oregon?

Flight times from Missouri to Oregon vary, but if you’re flying out of Kansas City and flying into Portland (one of the most popular routes), then the duration is 3h 35m on average. Another popular route from Missouri to Oregon is flying from St. Louis to Portland, which will take roughly 4h 10m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Missouri to Oregon?

United Airlines, Delta, and Southwest are the most popular carriers operating from Missouri to Oregon

What airlines fly to Oregon?

Alaska Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Oregon from Missouri according to our data. Alaska Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Oregon. Keep in mind that there are 7 different airlines that fly to Oregon on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Missouri to Oregon?

Prices for flights from Missouri to Oregon refresh daily.

How many operators does momondo search for flights from Missouri to Oregon?

As of August 2026, there are 7 operators available to choose from for flights from Missouri to Oregon.

How old do you have to be to fly from Missouri to Oregon?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Oregon.

What documentation or ID do you need to fly to Oregon?

The required travel and health documents for your Oregon trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oregon. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$90 Cheap Flights from Missouri to Oregon in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Oregon

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:17 pm - 11:36 amSTL Lambert-St Louis-PDX Portland

25h 19m1 stop Las Vegas Harry Reid Intl

12:24 pm - 11:17 amPDX Portland-STL Lambert-St Louis

20h 53m1 stop Las Vegas Harry Reid Intl

$182Frontier

Wed, Sep 9 - Sat, Sep 12

5:19 pm - 2:57 pmSTL Lambert-St Louis-BOI Boise Air Term. Gowen Fld

22h 38m1 stop Las Vegas Harry Reid Intl

3:52 pm - 1:17 amBOI Boise Air Term. Gowen Fld-STL Lambert-St Louis

8h 25m1 stop Las Vegas Harry Reid Intl

$182Frontier

Thu, Oct 8 - Mon, Oct 12

5:30 pm - 10:52 pmSTL Lambert-St Louis-PDX Portland

7h 22m1 stop Chicago O'Hare Intl

9:00 am - 6:38 pmPDX Portland-STL Lambert-St Louis

7h 38m1 stop San Francisco

$224United Airlines

Tue, Sep 15 - Wed, Sep 16

10:14 am - 4:54 pmSTL Lambert-St Louis-PDX Portland

8h 40m1 stop Dallas/Fort Worth

11:08 pm - 10:18 amPDX Portland-STL Lambert-St Louis

9h 10m1 stop Chicago O'Hare Intl

$228American Airlines

Sat, Sep 26 - Sat, Oct 3

4:40 pm - 9:05 pmSTL Lambert-St Louis-PDX Portland

6h 25m1 stop Denver Intl

8:40 am - 4:34 pmPDX Portland-STL Lambert-St Louis

5h 54m1 stop Denver Intl

$229United Airlines

Sat, Sep 5 - Wed, Sep 9

6:05 pm - 11:45 pmSTL Lambert-St Louis-PDX Portland

7h 40m1 stop Denver Intl

11:35 pm - 9:00 amPDX Portland-STL Lambert-St Louis

7h 25m1 stop Chicago Midway

$229Southwest

Mon, Sep 28 - Thu, Oct 1

6:10 pm - 12:10 amSTL Lambert-St Louis-PDX Portland

8h 00m1 stop Chicago Midway

11:35 pm - 9:15 amPDX Portland-STL Lambert-St Louis

7h 40m1 stop Chicago Midway

$229Southwest

Thu, Oct 1 - Mon, Oct 5

5:00 pm - 10:38 pmSTL Lambert-St Louis-PDX Portland

7h 38m1 stop Salt Lake City

3:00 pm - 11:26 pmPDX Portland-STL Lambert-St Louis

6h 26m1 stop Minneapolis St Paul

$229Delta

Tue, Sep 1 - Wed, Sep 2

3:39 pm - 9:44 pmSTL Lambert-St Louis-PDX Portland

8h 05m1 stop Atlanta Hartsfield-Jackson

1:15 pm - 9:00 pmPDX Portland-STL Lambert-St Louis

5h 45m1 stop Salt Lake City

$229Delta

Mon, Aug 31 - Tue, Sep 1

8:03 am - 1:39 pmSTL Lambert-St Louis-PDX Portland

7h 36m1 stop Phoenix Sky Harbor Intl

1:12 pm - 12:19 amPDX Portland-STL Lambert-St Louis

9h 07m1 stop Chicago O'Hare Intl

$229American Airlines

Wed, Oct 21 - Sat, Oct 24

Cheap last minute flights

Enter your travel dates to find the best prices.

8:08 pm - 5:11 pmSTL Lambert-St Louis-PDX Portland

23h 03m1 stop Denver Intl

6:17 pm - 5:50 pmPDX Portland-STL Lambert-St Louis

21h 33m1 stop Las Vegas Harry Reid Intl

$329Frontier

Mon, Aug 17 - Mon, Aug 31

6:45 pm - 12:52 pmSTL Lambert-St Louis-PDX Portland

20h 07m1 stop Las Vegas Harry Reid Intl

1:47 pm - 5:50 pmPDX Portland-STL Lambert-St Louis

26h 03m1 stop Las Vegas Harry Reid Intl

$341Frontier

Wed, Aug 19 - Sun, Aug 23

6:20 am - 10:54 amMCI Kansas City-PDX Portland

6h 34m1 stop Dallas/Fort Worth

11:34 pm - 8:40 amPDX Portland-MCI Kansas City

7h 06m1 stop Chicago O'Hare Intl

$407American Airlines

Sat, Aug 15 - Sun, Aug 23

5:30 am - 10:54 amMCI Kansas City-PDX Portland

7h 24m1 stop Dallas/Fort Worth

7:39 am - 6:34 pmPDX Portland-MCI Kansas City

8h 55m1 stop Dallas/Fort Worth

$407American Airlines

Sat, Aug 15 - Sat, Aug 22

3:45 pm - 11:05 pmSTL Lambert-St Louis-PDX Portland

9h 20m2 stops Austin Bergstrom Las Vegas Harry Reid Intl

11:30 pm - 9:35 amPDX Portland-STL Lambert-St Louis

8h 05m1 stop Chicago Midway

$426Southwest

Mon, Aug 17 - Mon, Aug 31

8:00 pm - 9:35 pmMCI Kansas City-PDX Portland

3h 35mnonstop

12:40 pm - 11:45 pmPDX Portland-MCI Kansas City

9h 05m1 stop Phoenix Sky Harbor Intl

$432Southwest

Sun, Aug 16 - Thu, Aug 20

1:37 pm - 5:58 pmSGF Springfield-Branson-BOI Boise Air Term. Gowen Fld

5h 21m1 stop Denver Intl

6:30 am - 6:02 pmBOI Boise Air Term. Gowen Fld-SGF Springfield-Branson

10h 32m2 stops Denver Intl Chicago O'Hare Intl

$445United Airlines

Sat, Aug 15 - Tue, Sep 1

5:30 am - 9:34 amSGF Springfield-Branson-BOI Boise Air Term. Gowen Fld

5h 04m1 stop Denver Intl

2:44 pm - 11:42 pmBOI Boise Air Term. Gowen Fld-SGF Springfield-Branson

7h 58m1 stop Denver Intl

$471United Airlines

Sat, Aug 15 - Tue, Aug 18

6:08 pm - 8:20 pmSTL Lambert-St Louis-PDX Portland

4h 12mnonstop

1:47 pm - 5:50 pmPDX Portland-STL Lambert-St Louis

26h 03m1 stop Las Vegas Harry Reid Intl

$517Multiple Airlines

Wed, Aug 19 - Sun, Aug 23

8:08 pm - 5:11 pmSTL Lambert-St Louis-PDX Portland

23h 03m1 stop Denver Intl

11:16 am - 5:10 pmPDX Portland-STL Lambert-St Louis

3h 54mnonstop

$677Multiple Airlines

Mon, Aug 17 - Mon, Aug 24

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Alaska Airlines flights from Missouri to Oregon

Our best Alaska Airlines deals on Missouri to Oregon flight tickets

Alaska Airlines

Sep 24

STL6:29 amLambert-St Louis

7h 06m

1 stop

BOI12:35 pmBoise Air Term. Gowen Fld

Sep 29

BOI6:23 amBoise Air Term. Gowen Fld

6h 58m

1 stop

STL2:21 pmLambert-St Louis

$269

Alaska Airlines

Nov 3

MCI2:52 pmKansas City

6h 10m

1 stop

BOI8:02 pmBoise Air Term. Gowen Fld

Nov 4

BOI9:03 amBoise Air Term. Gowen Fld

7h 10m

1 stop

MCI5:13 pmKansas City

$287

Alaska Airlines

Sep 16

STL6:08 pmLambert-St Louis

4h 12m

PDX8:20 pmPortland

Sep 16

PDX9:32 pmPortland

14h 49m

1 stop

STL2:21 pmLambert-St Louis

$293

United Airlines flights from Missouri to Oregon

Our best United Airlines deals on Missouri to Oregon flight tickets

United Airlines

Sep 15

STL5:30 pmLambert-St Louis

7h 22m

1 stop

PDX10:52 pmPortland

Sep 16

PDX9:00 amPortland

7h 38m

1 stop

STL6:38 pmLambert-St Louis

$224

United Airlines

Sep 9

STL10:53 amLambert-St Louis

8h 56m

2 stops

PDX5:49 pmPortland

Sep 12

PDX5:00 amPortland

5h 40m

1 stop

STL12:40 pmLambert-St Louis

$234

United Airlines

Sep 2

STL8:30 amLambert-St Louis

8h 35m

2 stops

PDX3:05 pmPortland

Sep 5

PDX12:45 pmPortland

6h 01m

1 stop

STL8:46 pmLambert-St Louis

$251

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisPortland

STL Lambert-St Louis - PDX Portland

STLPDX

Lambert-St Louis

Wed 9/9

12:17 pm-11:36 am

1 stop25h 19m

Portland

Sat 9/12

12:24 pm-11:17 am

1 stop20h 53m

$182

St. LouisBoise

STL Lambert-St Louis - BOI Boise Air Term. Gowen Fld

STLBOI

Lambert-St Louis

Thu 10/8

5:19 pm-2:57 pm

1 stop22h 38m

Boise Air Term. Gowen Fld

Mon 10/12

3:52 pm-1:17 am

1 stop8h 25m

$182

St. LouisPortland

STL Lambert-St Louis - PDX Portland

STLPDX

Lambert-St Louis

Tue 9/15

5:30 pm-10:52 pm

1 stop7h 22m

Portland

Wed 9/16

9:00 am-6:38 pm

1 stop7h 38m

$224

St. LouisPortland

STL Lambert-St Louis - PDX Portland

STLPDX

Lambert-St Louis

Sat 9/26

10:14 am-4:54 pm

1 stop8h 40m

Portland

Sat 10/3

11:08 pm-10:18 am

1 stop9h 10m

$228

Quickest round-trip

St. LouisPortland

STL Lambert-St Louis - PDX Portland

STLPDX

Lambert-St Louis

Sat 9/5

4:40 pm-9:05 pm

1 stop6h 25m

Portland

Wed 9/9

8:40 am-4:34 pm

1 stop5h 54m

$229

St. LouisPortland

STL Lambert-St Louis - PDX Portland

STLPDX

Lambert-St Louis

Mon 9/28

6:05 pm-11:45 pm

1 stop7h 40m

Portland

Thu 10/1

11:35 pm-9:00 am

1 stop7h 25m

$229

St. LouisPortland

STL Lambert-St Louis - PDX Portland

STLPDX

Lambert-St Louis

Thu 10/1

6:10 pm-12:10 am

1 stop8h 00m

Portland

Mon 10/5

11:35 pm-9:15 am

1 stop7h 40m

$229

St. LouisPortland

STL Lambert-St Louis - PDX Portland

STLPDX

Lambert-St Louis

Tue 9/1

5:00 pm-10:38 pm

1 stop7h 38m

Portland

Wed 9/2

3:00 pm-11:26 pm

1 stop6h 26m

$229

St. LouisPortland

STL Lambert-St Louis - PDX Portland

STLPDX

Lambert-St Louis

Mon 8/31

3:39 pm-9:44 pm

1 stop8h 05m

Portland

Tue 9/1

1:15 pm-9:00 pm

1 stop5h 45m

$229

St. LouisPortland

STL Lambert-St Louis - PDX Portland

STLPDX

Lambert-St Louis

Wed 10/21

8:03 am-1:39 pm

1 stop7h 36m

Portland

Sat 10/24

1:12 pm-12:19 am

1 stop9h 07m

$229

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Oregon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Oregon?

The month of February is, on average, the cheapest month to fly to Oregon from Missouri, with most prices found around $248. The month of January is another great option to travel to Oregon, with average flight prices from Missouri averaging around $288.

What is the cheapest day to depart on your flight to Oregon?

On average, the least expensive day to fly to Oregon from Missouri is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $377. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oregon is Sunday, with ticket prices averaging around $484.

What is the cheapest Missouri to Oregon flight route?

Fly from Lambert-St Louis to Portland for the best Missouri - Oregon flight prices

How far in advance should I book a flight from Missouri to Oregon?

You are more likely to see cheaper flights to Oregon from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Oregon for around $366 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oregon from Missouri for as low as $283 on momondo.

What cabin class options are available on Missouri to Oregon flights?

There are 4 cabin classes available to choose from on Missouri to Oregon flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Missouri to Oregon flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Oregon

Best Price Found	$178
Fastest flight time	3h 35m
Direct flights	Every day
Airports in Oregon	64 airports

The best one-way flight to Oregon from Missouri in the past 72 hours is $178. The best round-trip flight deal from Missouri to Oregon found on momondo in the last 72 hours is $297.

The fastest flight from Missouri to Oregon takes 3h 35m

Direct flights go from Missouri to Oregon every day.

There are 64 airports in Oregon. From Missouri there are direct flights to Portland (PDX).

Search flight deals

Frequently asked questions about flying from Missouri to Oregon

When did momondo last update prices for flights from Missouri to Oregon?
Prices for flights from Missouri to Oregon refresh daily.
How many operators does momondo search for flights from Missouri to Oregon?
As of August 2026, there are 7 operators available to choose from for flights from Missouri to Oregon.
How old do you have to be to fly from Missouri to Oregon?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Oregon.
What documentation or ID do you need to fly to Oregon?
The required travel and health documents for your Oregon trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oregon. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Missouri to Oregon?
Based on momondo bookings for flights between Missouri and Oregon, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 31.45% of the total bookings. Other popular models include Boeing 737 MAX 9 with 19.35%, Boeing 737 MAX 8 with 18.55%, and Boeing 737 with 8.87%.

Best airlines flying from Missouri to Oregon

Compare and see reviews for airlines that fly from Missouri to Oregon with momondo

Airline	Rating	Free Cancellation	Price
Hawaiian Airlines	PriceFrom $98	Free Cancellation	Rating 7.8 2,817 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $148	Free Cancellation	Rating 7.8 8,501 reviews	Search Delta flights
Frontier	PriceFrom $167	Free Cancellation	Rating 5.6 2,695 reviews	Search Frontier flights
Alaska Airlines	PriceFrom $176	Free Cancellation	Rating 7.9 12,809 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $186	Free Cancellation	Rating 7.1 11,927 reviews	Search American Airlines flights
Southwest	PriceFrom $196	Free Cancellation	Rating 8.0 4,219 reviews	Search Southwest flights
United Airlines	PriceFrom $216	Free Cancellation	Rating 7.4 10,108 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Oregon?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oregon from Missouri.

Can I find flights from Missouri to Oregon with flexible booking policies on momondo?

Yes. All flights to Oregon from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to Oregon?

Once all potential Missouri to Oregon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Missouri to Oregon right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Oregon from Missouri. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.