Cheap Flight Tickets from Missoula (MSO) to Seattle (SEA), Starting at $347

Good to Know: Cheapest and Fastest MSO - SEA Flights

Useful information for finding best airline tickets from Missoula International to Seattle Tacoma International on your next trip.

Cheapest Round Trip Flight

$617

AS Alaska Airlines • 1 stop • 5h 52m

Jul 01 – Jul 02

The cheapest round trip flight from Missoula to Seattle (MSO-SEA-MSO) is currently $617

🔍 Search Flights

Cheapest Direct Flight

$347

AS Alaska Airlines • nonstop • 2h 14m

Jul 24

The cheapest nonstop flight from Missoula to Seattle (MSO-SEA) is currently $347

🔍 Search Flights

Fastest Flight

2h 12m

The fastest nonstop flight from Missoula to Seattle (MSO-SEA) takes 2h 12m

Top Airlines Flying from Missoula to Seattle

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from Missoula (MSO) to Seattle (SEA)

Compare and book low fare round-trip air tickets from Missoula to Seattle. Ideal for travelers with confirmed return itineraries.

Jul 01 - Jul 02, Economy
AS
Missoula → Seattle
5h 52m
5:41 PM - 8:33 PM • 1 stop
AS
Missoula → Seattle
9h 7m
10:14 AM - 5:01 PM • 1 stop
$617
Alaska Airlines
Jul 01 - Jul 02, Economy
AS
Missoula → Seattle
2h 20m
11:22 AM - 12:02 PM • nonstop
AS
Missoula → Seattle
2h 11m
1:38 PM - 4:09 PM • nonstop
$617
Alaska Airlines
Jul 01 - Jul 02, Economy
AS
Missoula → Seattle
2h 22m
7:03 AM - 7:45 AM • nonstop
AS
Missoula → Seattle
9h 7m
10:14 AM - 5:01 PM • 1 stop
$617
Alaska Airlines
Jul 01 - Jul 02, Economy
AS
Missoula → Seattle
33h 42m
5:41 PM - 1:03 PM • 1 stop
AS
Missoula → Seattle
2h 5m
4:54 PM - 7:19 PM • nonstop
$646
Alaska Airlines
Jul 01 - Jul 02, Economy
DL
Missoula → Seattle
13h 23m
5:55 AM - 12:58 PM • 1 stop
DL
Missoula → Seattle
11h 59m
9:30 AM - 5:49 PM • 1 stop
$767
Delta Airlines
Jul 01 - Jul 02, Economy
DL
Missoula → Seattle
10h 24m
5:31 AM - 10:55 AM • 2 stops
DL
Missoula → Seattle
8h 49m
5:59 PM - 12:28 AM • 1 stop
$998
Delta Airlines

Fly from Missoula to Seattle with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Missoula to Seattle? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Missoula to Seattle Flights

What are the airports in Missoula?
MSO
What’s the most popular airline flying from MSO to SEA?
The most popular airline flying from Missoula to Seattle are
Can I fly from MSO to SEA non-stop?
Yes, you can fly MSO to SEA non-stop on
Which airlines fly nonstop between Missoula and Seattle?
The non-stop flights between Missoula and Seattle are .
What’s the earliest departure time from MSO to SEA Airport?
The earliest flight leaves MSO at 5:31 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Missoula to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from MSO to SEA?
Read the fare rules of the Missoula to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Missoula and Seattle?
operate flights between Missoula and Seattle
How long does a flight from Missoula to Seattle take?
It takes approximately 1 hour to fly non-stop from MSO to SEA, which is 388.61 miles by air.
Which airlines provide the cheapest flights from Missoula (MSO) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from MSO were found on DL : USD 767
Do I need a passport to fly between MSO and SEA?
No
What’s the latest departure time from MSO to SEA ?
The last flight leaves MSO at 7:59 pm

Missoula (MSO) to Seattle (SEA): Airport Information

Origin Airport Missoula International , Missoula, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance 389 miles

More Flight Options for Missoula (MSO) and Seattle (SEA)

Why Fareleaders for MSO to SEA Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Missoula to Seattle flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on MSO to SEA flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Missoula to Seattle flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Missoula (MSO) to Seattle (SEA)
Terms and Conditions*