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Cheap flights from Missouri to Portland from $59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Portland departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Missouri to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:12 pm - 10:09 am
STL
-
PDX
15h 57m
1 stop
Frontier Logo
12:52 pm - 7:11 pm
PDX
-
STL
28h 19m
1 stop
$167Frontier
Sat, Mar 7 - Mon, Mar 9
Alaska Airlines Logo
5:16 pm - 7:20 pm
MCI
-
PDX
4h 04mnonstop
Alaska Airlines Logo
10:53 am - 4:22 pm
PDX
-
MCI
3h 29mnonstop
$177Alaska Airlines
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
5:16 pm - 7:20 pm
MCI
-
PDX
4h 04mnonstop
Multiple Airlines Logo
12:04 pm - 7:53 pm
PDX
-
MCI
5h 49m
1 stop
$181Multiple Airlines
Tue, Mar 3 - Mon, Mar 9
Alaska Airlines Logo
5:16 pm - 7:20 pm
MCI
-
PDX
4h 04mnonstop
Alaska Airlines Logo
10:53 am - 4:22 pm
PDX
-
MCI
3h 29mnonstop
$187Alaska Airlines
Tue, Feb 24 - Mon, Mar 9
Alaska Airlines Logo
5:16 pm - 7:20 pm
MCI
-
PDX
4h 04mnonstop
Alaska Airlines Logo
10:53 am - 4:22 pm
PDX
-
MCI
3h 29mnonstop
$197Alaska Airlines
Fri, Feb 27 - Sun, Mar 1
Delta Logo
6:30 am - 12:25 pm
MCI
-
PDX
7h 55m
1 stop
Delta Logo
1:10 pm - 11:56 pm
PDX
-
MCI
8h 46m
1 stop
$207Delta
Sat, Feb 28 - Mon, Mar 9
Southwest Logo
1:30 pm - 6:00 pm
MCI
-
PDX
6h 30m
1 stop
Southwest Logo
1:30 pm - 1:00 am
PDX
-
MCI
9h 30m
2 stops
$212Southwest
Tue, Mar 3 - Mon, Mar 9
Delta Logo
7:55 pm - 11:53 pm
MCI
-
PDX
5h 58m
1 stop
Delta Logo
12:05 am - 8:41 am
PDX
-
MCI
5h 36m
1 stop
$217Delta
Thu, Feb 26 - Sat, Mar 7
United Airlines Logo
5:59 pm - 10:54 pm
STL
-
PDX
6h 55m
1 stop
United Airlines Logo
2:24 pm - 10:59 pm
PDX
-
STL
6h 35m
1 stop
$244United Airlines
Wed, May 13 - Sat, May 16
United Airlines Logo
4:30 pm - 9:15 pm
STL
-
PDX
6h 45m
1 stop
United Airlines Logo
4:03 pm - 11:34 pm
PDX
-
STL
5h 31m
1 stop
$249United Airlines
Sat, Feb 28 - Fri, Mar 6

Alaska Airlines flights from Missouri to Portland

Our best Alaska Airlines deals on Missouri to Portland flight tickets
Alaska Airlines
Feb 24
MCI5:16 pmKansas City
4h 04m
PDX7:20 pmPortland
Mar 3
PDX10:53 amPortland
3h 29m
MCI4:22 pmKansas City
$177
Alaska Airlines
Feb 24
MCI5:16 pmKansas City
4h 04m
PDX7:20 pmPortland
Mar 6
PDX10:53 amPortland
3h 29m
MCI4:22 pmKansas City
$187
Alaska Airlines
Feb 27
MCI5:16 pmKansas City
4h 04m
PDX7:20 pmPortland
Mar 1
PDX10:53 amPortland
3h 29m
MCI4:22 pmKansas City
$197

Delta flights from Missouri to Portland

Our best Delta deals on Missouri to Portland flight tickets
Delta
Feb 28
MCI6:30 amKansas City
7h 55m
1 stop
PDX12:25 pmPortland
Mar 9
PDX1:10 pmPortland
8h 46m
1 stop
MCI11:56 pmKansas City
$207
Delta
Feb 26
MCI3:48 pmKansas City
8h 36m
1 stop
PDX10:24 pmPortland
Mar 5
PDX3:59 pmPortland
5h 51m
1 stop
MCI11:50 pmKansas City
$217
Delta
Feb 20
MCI6:23 amKansas City
8h 21m
1 stop
PDX12:44 pmPortland
Feb 27
PDX3:59 pmPortland
5h 51m
1 stop
MCI11:50 pmKansas City
$227

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Portland 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Missouri to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 3/7

8:12 pm-10:09 am

1 stop15h 57m

Portland

Mon 3/9

12:52 pm-7:11 pm

1 stop28h 19m

$167

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 2/24

5:16 pm-7:20 pm

Nonstop4h 04m

Portland

Tue 3/3

10:53 am-4:22 pm

Nonstop3h 29m

$177

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 3/3

5:16 pm-7:20 pm

Nonstop4h 04m

Portland

Mon 3/9

12:04 pm-7:53 pm

1 stop5h 49m

$181

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 2/24

5:16 pm-7:20 pm

Nonstop4h 04m

Portland

Mon 3/9

10:53 am-4:22 pm

Nonstop3h 29m

$187

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 2/27

5:16 pm-7:20 pm

Nonstop4h 04m

Portland

Sun 3/1

10:53 am-4:22 pm

Nonstop3h 29m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Sat 2/28

6:30 am-12:25 pm

1 stop7h 55m

Portland

Mon 3/9

1:10 pm-11:56 pm

1 stop8h 46m

$207

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 3/3

1:30 pm-6:00 pm

1 stop6h 30m

Portland

Mon 3/9

1:30 pm-1:00 am

2 stops9h 30m

$212

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Thu 2/26

7:55 pm-11:53 pm

1 stop5h 58m

Portland

Sat 3/7

12:05 am-8:41 am

1 stop5h 36m

$217

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 5/13

5:59 pm-10:54 pm

1 stop6h 55m

Portland

Sat 5/16

2:24 pm-10:59 pm

1 stop6h 35m

$244

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 2/28

4:30 pm-9:15 pm

1 stop6h 45m

Portland

Fri 3/6

4:03 pm-11:34 pm

1 stop5h 31m

$249

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Missouri to Portland

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

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Missouri is in September. Flight prices, which tend to average around $303, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until February to fly from Missouri, when ticket prices are also cheap, with an average price of $310.

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

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $371. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $585.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $398. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $562 per ticket.

What is the cheapest Missouri to Portland flight route?

Fly from Kansas City to Portland for the best Missouri - Portland flight prices

How far in advance should I book a flight to Portland?

You are more likely to see cheaper flights to Portland from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $356 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Missouri for as low as $291 on momondo.

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

There are 3 cabin classes available to choose from on Missouri to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Missouri to Portland flights?

No. A direct flight is the cheapest option for a flight between Missouri to Portland.

Cheap Missouri to Portland flight deals and tips

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

Best Price Found

$155

Fastest flight time

3h 35m

Direct flights

Every day

Airports in Portland

1 airport
The best one-way flight to Portland from Missouri in the past 72 hours is $155. The best round-trip flight deal from Missouri to Portland found on momondo in the last 72 hours is $197.
The fastest flight from Missouri to Portland takes 3h 35m
Direct flights go from Missouri to Portland every day.
There is 1 airport in Portland. From Missouri there are direct flights to Portland (PDX).
Search flight deals

  • When did momondo last update prices for flights from Missouri to Portland Airport?

    Prices for flights from Missouri to Portland Airport were last updated today.

  • How many operators does momondo search for flights from Missouri to Portland Airport?

  • How old do you have to be to fly from Missouri to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Missouri to Portland?

Best airlines flying from Missouri to Portland

Compare and see reviews for airlines that fly from Missouri to Portland with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $110Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
DeltaPriceFrom $148Free CancellationRating
7.9
8,132 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $163Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $177Free CancellationRating
8.0
11,830 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $188Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights
SouthwestPriceFrom $197Free CancellationRating
8.0
4,271 reviews
Search Southwest flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
9,231 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Tigard
Longview
McMinnville
Gresham
Pacific City
The Dalles
Manzanita
Newberg

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missouri to Portland. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Portland from Missouri with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missouri to Portland.

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

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Missouri and alert you when they change.

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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