Cheap flights from Montana to Washington 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 Montana to Washington departing on 5/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:15 pm - 7:05 pm
GTF
-
SEA
1h 50mnonstop
Alaska Airlines Logo
3:36 pm - 6:12 pm
SEA
-
GTF
1h 36mnonstop
$167Alaska Airlines
Sun, May 10 - Sat, May 16
Alaska Airlines Logo
8:00 am - 9:01 am
BZN
-
SEA
2h 01mnonstop
Alaska Airlines Logo
12:55 pm - 3:32 pm
SEA
-
BZN
1h 37mnonstop
$172Alaska Airlines
Sat, Jun 6 - Sat, Jun 6
Alaska Airlines Logo
6:15 pm - 7:05 pm
GTF
-
SEA
1h 50mnonstop
Alaska Airlines Logo
3:36 pm - 6:12 pm
SEA
-
GTF
1h 36mnonstop
$177Alaska Airlines
Sun, May 10 - Sat, May 16
Delta Logo
6:20 pm - 11:59 pm
GTF
-
SEA
6h 39m
1 stop
Delta Logo
4:36 pm - 10:29 pm
SEA
-
GTF
4h 53m
1 stop
$186Delta
Tue, Apr 28 - Tue, May 5
Delta Logo
5:20 am - 8:56 am
BIL
-
PDX
4h 36m
1 stop
Delta Logo
5:45 am - 10:53 am
PDX
-
BIL
4h 08m
1 stop
$207Delta
Wed, Apr 29 - Wed, May 6
United Airlines Logo
4:20 pm - 8:57 pm
BZN
-
SEA
5h 37m
1 stop
United Airlines Logo
5:00 am - 1:34 pm
SEA
-
BZN
7h 34m
1 stop
$212United Airlines
Tue, Apr 21 - Wed, Apr 22
Multiple Airlines Logo
1:52 pm - 2:27 pm
FCA
-
SEA
1h 35mnonstop
Multiple Airlines Logo
9:26 pm - 11:47 pm
SEA
-
FCA
1h 21mnonstop
$215Multiple Airlines
Sat, Apr 18 - Sun, Apr 19
Southwest Logo
6:55 am - 2:05 pm
BZN
-
PDX
8h 10m
2 stops
Southwest Logo
4:00 pm - 10:25 pm
PDX
-
BZN
5h 25m
1 stop
$222Southwest
Wed, Aug 19 - Tue, Aug 25
Multiple Airlines Logo
6:05 am - 6:39 am
FCA
-
SEA
1h 34mnonstop
Multiple Airlines Logo
7:10 am - 1:12 pm
SEA
-
FCA
5h 02m
1 stop
$240Multiple Airlines
Sat, Apr 18 - Sun, Apr 19
Southwest Logo
4:20 pm - 10:40 pm
BZN
-
PDX
7h 20m
1 stop
Southwest Logo
10:40 am - 10:45 pm
PDX
-
BZN
11h 05m
1 stop
$242Southwest
Fri, May 1 - Sun, May 3

Alaska Airlines flights from Montana to State of Washington

Our best Alaska Airlines deals on Montana to State of Washington flight tickets
Alaska Airlines
May 10
GTF6:15 pmGreat Falls
1h 50m
SEA7:05 pmSeattle/Tacoma Intl
May 16
SEA3:36 pmSeattle/Tacoma Intl
1h 36m
GTF6:12 pmGreat Falls
$167
Alaska Airlines
Jun 6
BZN8:00 amBozeman Gallatin Field
2h 01m
SEA9:01 amSeattle/Tacoma Intl
Jun 6
SEA12:55 pmSeattle/Tacoma Intl
1h 37m
BZN3:32 pmBozeman Gallatin Field
$172
Alaska Airlines
May 10
GTF6:15 pmGreat Falls
1h 50m
SEA7:05 pmSeattle/Tacoma Intl
May 16
SEA3:36 pmSeattle/Tacoma Intl
1h 36m
GTF6:12 pmGreat Falls
$177

Southwest flights from Montana to State of Washington

Our best Southwest deals on Montana to State of Washington flight tickets
Southwest
Aug 19
BZN6:55 amBozeman Gallatin Field
8h 10m
2 stops
PDX2:05 pmPortland
Aug 25
PDX4:00 pmPortland
5h 25m
1 stop
BZN10:25 pmBozeman Gallatin Field
$222
Southwest
May 1
BZN4:20 pmBozeman Gallatin Field
7h 20m
1 stop
PDX10:40 pmPortland
May 3
PDX10:40 amPortland
11h 05m
1 stop
BZN10:45 pmBozeman Gallatin Field
$242
Southwest
Apr 21
BZN11:20 amBozeman Gallatin Field
6h 35m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
Apr 22
SEA11:35 amSeattle/Tacoma Intl
9h 20m
2 stops
BZN9:55 pmBozeman Gallatin Field
$262

momondo Fare Finder

 
Customize your flight search to find flights from Montana to State of Washington 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 2, 2026.
Use the filters below to find and compare flights from Montana to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Sun 5/10

6:15 pm-7:05 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Sat 5/16

3:36 pm-6:12 pm

Nonstop1h 36m

$167

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Sat 6/6

8:00 am-9:01 am

Nonstop2h 01m

Seattle/Tacoma Intl

Sat 6/6

12:55 pm-3:32 pm

Nonstop1h 37m

$172

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Sun 5/10

6:15 pm-7:05 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Sat 5/16

3:36 pm-6:12 pm

Nonstop1h 36m

$177

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Tue 4/28

6:20 pm-11:59 pm

1 stop6h 39m

Seattle/Tacoma Intl

Tue 5/5

4:36 pm-10:29 pm

1 stop4h 53m

$186

BillingsPortland

BIL - PDX

BILPDX

Billings Logan Intl

Wed 4/29

5:20 am-8:56 am

1 stop4h 36m

Portland

Wed 5/6

5:45 am-10:53 am

1 stop4h 08m

$207

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Tue 4/21

4:20 pm-8:57 pm

1 stop5h 37m

Seattle/Tacoma Intl

Wed 4/22

5:00 am-1:34 pm

1 stop7h 34m

$212
Quickest round-trip

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sat 4/18

1:52 pm-2:27 pm

Nonstop1h 35m

Seattle/Tacoma Intl

Sun 4/19

9:26 pm-11:47 pm

Nonstop1h 21m

$215

BozemanPortland

BZN - PDX

BZNPDX

Bozeman Gallatin Field

Wed 8/19

6:55 am-2:05 pm

2 stops8h 10m

Portland

Tue 8/25

4:00 pm-10:25 pm

1 stop5h 25m

$222

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Sat 4/18

6:05 am-6:39 am

Nonstop1h 34m

Seattle/Tacoma Intl

Sun 4/19

7:10 am-1:12 pm

1 stop5h 02m

$240

BozemanPortland

BZN - PDX

BZNPDX

Bozeman Gallatin Field

Fri 5/1

4:20 pm-10:40 pm

1 stop7h 20m

Portland

Sun 5/3

10:40 am-10:45 pm

1 stop11h 05m

$242

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 Washington from

How to get the cheapest flight ticket from Montana to State of Washington

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 State of Washington?

The month of December is, on average, the cheapest month to fly to State of Washington from Montana, with most prices found around $157. If you aren’t able to travel to State of Washington during the month of December, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $177.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Montana to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $339. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Montana to State of Washington for around $548.

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

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $346. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $455 on average. Flights to State of Washington from Montana in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Montana to Washington flight route?

Fly from Bozeman Gallatin Field to Seattle/Tacoma Intl for the best Montana - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Montana when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $225 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Montana for as low as $189 on momondo.

What cabin class options are available on Montana to Washington flights?

There are 4 cabin classes available to choose from on Montana to Washington 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 Montana to State of Washington flights?

No. A direct flight is the cheapest option for a flight between Montana to State of Washington.

Cheap Montana to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to State of Washington

Best Price Found

$170

Fastest flight time

1h 29m

Direct flights

Every day

Airports in State of Washington

96 airports
The best one-way flight to State of Washington from Montana in the past 72 hours is $170. The best round-trip flight deal from Montana to State of Washington found on momondo in the last 72 hours is $184.
The fastest flight from Montana to State of Washington takes 1h 29m
Direct flights go from Montana to State of Washington every day.
There are 96 airports in State of Washington. From Montana there are direct flights to Portland (PDX), Seattle/Tacoma Intl (SEA).

Frequently asked questions about flying from Montana to Washington

  • When did momondo last update prices for flights from Montana to Washington?

    Prices for flights from Montana to Washington refresh daily.

  • How many operators does momondo search for flights from Montana to Washington?

  • How old do you have to be to fly from Montana to Washington?

    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 Montana to Washington.

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

    The necessary travel and health documents for your Washington 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 Montana to State of Washington?

Best airlines flying from Montana to State of Washington

Compare and see reviews for airlines that fly from Montana to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,838 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $103Free CancellationRating
7.9
8,371 reviews
Search Delta flights
Alaska AirlinesPriceFrom $126Free CancellationRating
7.9
12,153 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Washington?

It is quick and easy to find Montana to Washington 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 Washington that suits you.

Can I find flights from Montana to Washington with flexible booking policies on momondo?

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

How can momondo help me find flights from Montana to Washington?

momondo helps you find the best flight between Montana and Washington 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 Montana to Washington right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington from Montana. 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.

An easier way to manage your State of Washington trip

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1 adult
Sat 5/2
Sat 5/9

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