$549 Cheap Flights from Seoul (ICN) to Missoula (MSO)

View $549 flight on Sat, Feb 21, 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Missoula Intl. Airport (MSO)

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Cheap Flights from Seoul to Missoula (ICN-MSO)

Prices were available within the past 7 days and start at $549 for one-way flights and $755 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Dec 6 - Sat, Dec 27
ICN
Seoul
MSO
Missoula
$755 Roundtrip, found 8 hours ago
$755
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Dec 6 from Seoul to Missoula, returning Sat, Dec 27, priced at $755 found 8 hours ago
Alaska Airlines
Sat, Dec 6 - Sat, Dec 27
ICN
Seoul
MSO
Missoula
$762 Roundtrip, found 8 hours ago
$762
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Dec 6 from Seoul to Missoula, returning Sat, Dec 27, priced at $762 found 8 hours ago
Korean Air
Sat, Dec 6 - Sat, Dec 27
ICN
Seoul
MSO
Missoula
$1,370 Roundtrip, found 8 hours ago
$1,370
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Sat, Dec 6 from Seoul to Missoula, returning Sat, Dec 27, priced at $1,370 found 8 hours ago
Korean Air
Sat, Dec 6 - Sat, Dec 27
ICN
Seoul
MSO
Missoula
$1,379 Roundtrip, found 8 hours ago
$1,379
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Sat, Dec 6 from Seoul to Missoula, returning Sat, Dec 27, priced at $1,379 found 8 hours ago
United
Sun, Jan 11 - Tue, Jan 27
ICN
Seoul
MSO
Missoula
$1,498 Roundtrip, found 6 hours ago
$1,498
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jan 11 from Seoul to Missoula, returning Tue, Jan 27, priced at $1,498 found 6 hours ago
United
Sun, Jan 11 - Tue, Jan 27
ICN
Seoul
MSO
Missoula
$1,509 Roundtrip, found 6 hours ago
$1,509
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jan 11 from Seoul to Missoula, returning Tue, Jan 27, priced at $1,509 found 6 hours ago
United
Sun, Jan 11 - Tue, Jan 27
ICN
Seoul
MSO
Missoula
$1,520 Roundtrip, found 6 hours ago
$1,520
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jan 11 from Seoul to Missoula, returning Tue, Jan 27, priced at $1,520 found 6 hours ago
Korean Air
Sat, Dec 6 - Sat, Dec 27
ICN
Seoul
MSO
Missoula
$1,532 Roundtrip, found 8 hours ago
$1,532
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Sat, Dec 6 from Seoul to Missoula, returning Sat, Dec 27, priced at $1,532 found 8 hours ago
China Airlines
Sat, Dec 6 - Sat, Dec 27
ICN
Seoul
MSO
Missoula
$1,635 Roundtrip, found 8 hours ago
$1,635
Roundtrip
found 8 hours ago
Select China Airlines flight, departing Sat, Dec 6 from Seoul to Missoula, returning Sat, Dec 27, priced at $1,635 found 8 hours ago
Delta
Sun, Jan 11 - Tue, Jan 27
ICN
Seoul
MSO
Missoula
$1,643 Roundtrip, found 6 hours ago
$1,643
Roundtrip
found 6 hours ago
Select Delta flight, departing Sun, Jan 11 from Seoul to Missoula, returning Tue, Jan 27, priced at $1,643 found 6 hours ago

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Missoula Intl. Airport (MSO) cost?
Lock in a cheap one-way flight from $549 or cheap return flight from $755 from Incheon Intl. Airport (ICN) to Missoula Intl. Airport (MSO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Missoula Intl. Airport (MSO)?
Traveling in December is a good way to save, as it's the cheapest month for flights between ICN and MSO. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Missoula Intl. Airport (MSO)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from ICN to MSO. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Incheon Intl. Airport (ICN) to Missoula Intl. Airport (MSO)?
There aren't any daily direct flights from Incheon Intl. Airport (ICN) to Missoula Intl. Airport (MSO). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from ICN to MSO?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Incheon Intl. Airport (ICN) to Missoula Intl. Airport (MSO)?
Opt for a flight from Incheon Intl. Airport (ICN) to Missoula Intl. Airport (MSO) that leaves before 3 PM to reduce the risk of delays and cancellations. 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 Incheon Intl. Airport (ICN) to Missoula Intl. Airport (MSO) last-minute?
Last-minute bookings from ICN to MSO are usually more expensive. To lock in the best rates, start searching for flights as soon as possible. That being said, if you can play around with your travel dates, you may find a cheap fare right before you leave.
Is it cheaper to book an ICN to MSO flight and hotel package?
Securing an ICN to MSO flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Missoula Intl. Airport (MSO)?
In most instances, you're able to reschedule or cancel your ICN to MSO flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Origin airport
Incheon Intl.
Destination airport
Missoula Intl.
Roundtrip price
$754
Distance
5511 mi

Book with confidence

Seoul to Missoula Flights

The cheapest times to fly from Seoul to Missoula

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Missoula are during the month of December. You can find some of the cheapest flights from Seoul to Missoula with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Missoula

Sunday is one of the best days to book for cheap flights from Seoul to Missoula: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to Missoula

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Missoula in 2025. You can also book with separate airlines for your outbound and return journeys, from $549 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Missoula flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Missoula airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seoul to Missoula Flights

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*Available to One Key members.