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Cheap flights from Portland to Missouri from $86

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Missouri departing on 5/8. 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 Portland to Missouri

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:27 pm - 1:30 pm
PDX
-
MCI
23h 03m
1 stop
Frontier Logo
2:51 pm - 10:20 am
MCI
-
PDX
21h 29m
1 stop
$205Frontier
Sat, Apr 25 - Sat, May 2
Frontier Logo
12:27 pm - 1:30 pm
PDX
-
MCI
23h 03m
1 stop
Frontier Logo
2:51 pm - 10:20 am
MCI
-
PDX
21h 29m
1 stop
$216Frontier
Sat, Apr 25 - Sat, May 2
Frontier Logo
11:48 am - 7:21 pm
PDX
-
STL
5h 33m
1 stop
Frontier Logo
8:17 pm - 11:52 am
STL
-
PDX
17h 35m
1 stop
$216Frontier
Thu, Apr 23 - Mon, Apr 27
Frontier Logo
11:48 am - 7:21 pm
PDX
-
STL
5h 33m
1 stop
Frontier Logo
4:16 pm - 8:59 am
STL
-
PDX
18h 43m
1 stop
$217Frontier
Thu, Apr 16 - Sat, Apr 18
Alaska Airlines Logo
10:37 am - 4:37 pm
PDX
-
STL
4h 00mnonstop
Alaska Airlines Logo
5:33 pm - 7:50 pm
STL
-
PDX
4h 17mnonstop
$257Alaska Airlines
Wed, May 27 - Sat, May 30
United Airlines Logo
7:13 am - 6:43 pm
PDX
-
SGF
9h 30m
1 stop
United Airlines Logo
5:50 am - 9:47 am
SGF
-
PDX
5h 57m
1 stop
$313United Airlines
Tue, Jun 2 - Sat, Jun 6
American Airlines Logo
12:59 am - 10:24 am
PDX
-
SGF
7h 25m
1 stop
American Airlines Logo
6:05 pm - 11:57 pm
SGF
-
PDX
7h 52m
1 stop
$341American Airlines
Mon, Apr 27 - Sat, May 2
American Airlines Logo
1:52 pm - 10:53 pm
PDX
-
COU
7h 01m
1 stop
American Airlines Logo
4:28 pm - 10:56 pm
COU
-
PDX
8h 28m
1 stop
$358American Airlines
Wed, Apr 22 - Fri, May 1
United Airlines Logo
7:13 am - 6:43 pm
PDX
-
SGF
9h 30m
1 stop
United Airlines Logo
5:50 am - 9:47 am
SGF
-
PDX
5h 57m
1 stop
$369United Airlines
Tue, Jun 2 - Sat, Jun 6
Delta Logo
12:30 am - 3:14 pm
PDX
-
SGF
12h 44m
2 stops
Delta Logo
3:59 pm - 10:02 pm
SGF
-
PDX
8h 03m
1 stop
$374Delta
Fri, Apr 24 - Wed, Apr 29

American Airlines flights from Portland to Missouri

Our best American Airlines deals on Portland to Missouri flight tickets
American Airlines
Apr 22
PDX11:47 pmPortland
8h 31m
1 stop
MCI10:18 amKansas City
Apr 26
MCI5:30 amKansas City
7h 31m
1 stop
PDX11:01 amPortland
$275
American Airlines
Apr 21
PDX11:40 pmPortland
7h 14m
1 stop
STL8:54 amLambert-St Louis
Apr 25
STL5:20 amLambert-St Louis
7h 41m
1 stop
PDX11:01 amPortland
$277
American Airlines
Apr 22
PDX11:40 pmPortland
8h 35m
1 stop
MCI10:15 amKansas City
Apr 28
MCI5:30 amKansas City
9h 28m
1 stop
PDX12:58 pmPortland
$301

Alaska Airlines flights from Portland to Missouri

Our best Alaska Airlines deals on Portland to Missouri flight tickets
Alaska Airlines
May 27
PDX10:37 amPortland
4h 00m
STL4:37 pmLambert-St Louis
May 30
STL5:33 pmLambert-St Louis
4h 17m
PDX7:50 pmPortland
$257
Alaska Airlines
May 21
PDX10:37 amPortland
4h 00m
STL4:37 pmLambert-St Louis
May 27
STL5:33 pmLambert-St Louis
4h 17m
PDX7:50 pmPortland
$273
Alaska Airlines
May 21
PDX10:37 amPortland
4h 00m
STL4:37 pmLambert-St Louis
May 27
STL5:33 pmLambert-St Louis
4h 17m
PDX7:50 pmPortland
$289

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Missouri 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 April 1, 2026.
Use the filters below to find and compare flights from Portland to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Sat 4/25

12:27 pm-1:30 pm

1 stop23h 03m

Kansas City

Sat 5/2

2:51 pm-10:20 am

1 stop21h 29m

$205

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Sat 4/25

12:27 pm-1:30 pm

1 stop23h 03m

Kansas City

Sat 5/2

2:51 pm-10:20 am

1 stop21h 29m

$216

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Thu 4/23

11:48 am-7:21 pm

1 stop5h 33m

Lambert-St Louis

Mon 4/27

8:17 pm-11:52 am

1 stop17h 35m

$216

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Thu 4/16

11:48 am-7:21 pm

1 stop5h 33m

Lambert-St Louis

Sat 4/18

4:16 pm-8:59 am

1 stop18h 43m

$217
Quickest round-trip

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Wed 5/27

10:37 am-4:37 pm

Nonstop4h 00m

Lambert-St Louis

Sat 5/30

5:33 pm-7:50 pm

Nonstop4h 17m

$257

PortlandSpringfield

PDX - SGF

PDXSGF

Portland

Tue 6/2

7:13 am-6:43 pm

1 stop9h 30m

Springfield-Branson

Sat 6/6

5:50 am-9:47 am

1 stop5h 57m

$313

PortlandSpringfield

PDX - SGF

PDXSGF

Portland

Mon 4/27

12:59 am-10:24 am

1 stop7h 25m

Springfield-Branson

Sat 5/2

6:05 pm-11:57 pm

1 stop7h 52m

$341

PortlandColumbia

PDX - COU

PDXCOU

Portland

Wed 4/22

1:52 pm-10:53 pm

1 stop7h 01m

Columbia Regional

Fri 5/1

4:28 pm-10:56 pm

1 stop8h 28m

$358

PortlandSpringfield

PDX - SGF

PDXSGF

Portland

Tue 6/2

7:13 am-6:43 pm

1 stop9h 30m

Springfield-Branson

Sat 6/6

5:50 am-9:47 am

1 stop5h 57m

$369

PortlandSpringfield

PDX - SGF

PDXSGF

Portland

Fri 4/24

12:30 am-3:14 pm

2 stops12h 44m

Springfield-Branson

Wed 4/29

3:59 pm-10:02 pm

1 stop8h 03m

$374

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 Missouri from

How to get the cheapest flight ticket from Portland to Missouri

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 Missouri?

In general, November is the cheapest month to fly from Portland to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $300. If you aren’t able to travel to Missouri during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $318.

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

The cheapest day to depart from Portland to Missouri is on a Friday when prices can be found for as low as $213. Flights from Portland to Missouri on a Sunday will generally be more expensive and average around $621. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Missouri is in the morning. momondo users have found flights departing from Portland to Missouri in the morning for as low as $358. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly at noon, with an average ticket price of $645. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Portland to Missouri flight route?

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

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

You are more likely to see cheaper flights to Missouri from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $361 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Portland for as low as $222 on momondo.

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

There are 4 cabin classes available to choose from on Portland to Missouri 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 Portland to Missouri flights?

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

Cheap Portland to Missouri flight deals and tips

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

Best Price Found

$78

Fastest flight time

3h 23m

Direct flights

Every day

Airports in Missouri

55 airports
The best one-way flight to Missouri from Portland in the past 72 hours is $78. The best round-trip flight deal from Portland to Missouri found on momondo in the last 72 hours is $213.
The fastest flight from Portland to Missouri takes 3h 23m
Direct flights go from Portland to Missouri every day.
There are 55 airports in Missouri. From Portland there are direct flights to Kansas City (MCI), Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from Portland to Missouri

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

    Prices for flights from Portland Airport to Missouri are refreshed on a daily basis.

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

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

    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 Portland Airport to Missouri.

  • What documentation or ID do you need to fly to Missouri?

    The necessary travel and health documents for your Missouri trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Portland to Missouri

Compare and see reviews for airlines that fly from Portland to Missouri with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $75Free CancellationRating
5.7
3,004 reviews
Search Frontier flights
DeltaPriceFrom $108Free CancellationRating
7.9
8,366 reviews
Search Delta flights
Alaska AirlinesPriceFrom $177Free CancellationRating
7.9
12,149 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $186Free CancellationRating
7.8
2,838 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $196Free CancellationRating
8.0
4,337 reviews
Search Southwest flights
American AirlinesPriceFrom $226Free CancellationRating
7.1
11,549 reviews
Search American Airlines flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,535 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Portland to Missouri flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Missouri that suits you.

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

All flight searches from Portland to Missouri on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Portland and Missouri by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Portland to Missouri now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Missouri and let you know when they change.

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