$279 Cheap Flights from Missoula (MSO) to Sun Valley (SUN)

View $279 flight on Fri, May 30, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Missoula to Sun Valley (MSO-SUN)

Prices were available within the past 7 days and start at $279 for one-way flights and $389 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, May 7 - Mon, May 12
MSO
Missoula
SUN
Sun Valley
$389 Roundtrip, found 1 day ago
$389
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, May 7 from Missoula to Sun Valley, returning Mon, May 12, priced at $389 found 1 day ago
United
Wed, May 7 - Mon, May 12
MSO
Missoula
SUN
Sun Valley
$549 Roundtrip, found 1 day ago
$549
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 7 from Missoula to Sun Valley, returning Mon, May 12, priced at $549 found 1 day ago
Delta
Wed, May 7 - Mon, May 12
MSO
Missoula
SUN
Sun Valley
$594 Roundtrip, found 1 day ago
$594
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, May 7 from Missoula to Sun Valley, returning Mon, May 12, priced at $594 found 1 day ago
Delta
Wed, May 7 - Mon, May 12
MSO
Missoula
SUN
Sun Valley
$599 Roundtrip, found 1 day ago
$599
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, May 7 from Missoula to Sun Valley, returning Mon, May 12, priced at $599 found 1 day ago

Frequently asked questions

How much does a flight from Missoula Intl. Airport (MSO) to Friedman Memorial Airport (SUN) cost?
Discover the latest flight deals from MSO to SUN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MSO to SUN?
The cheapest flights from MSO to SUN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MSO to SUN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from MSO to SUN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Missoula Intl. Airport (MSO) to Friedman Memorial Airport (SUN)?
You’ll need to catch a flight with a layover if you’re traveling from Missoula Intl. Airport (MSO) to Friedman Memorial Airport (SUN). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from MSO to SUN?
Generally you’ll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Missoula Intl. Airport (MSO) to Friedman Memorial Airport (SUN)?
Select a flight from Missoula Intl. Airport (MSO) to Friedman Memorial Airport (SUN) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Missoula Intl. Airport (MSO) to Friedman Memorial Airport (SUN) last-minute?
Booking your ticket from MSO to SUN right before your journey is generally more expensive. However, if there’s some wiggle room with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a MSO to SUN flight and hotel package?
Securing a MSO to SUN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Missoula Intl. Airport (MSO) to Friedman Memorial Airport (SUN)?
Typically, it’s possible to reschedule or cancel your MSO to SUN flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find further details on our Customer Service portal.
*Available to One Key members.