$203 Cheap Flights from Baltimore (BWI) to Kalispell (FCA)

View $203 flight on Wed, Jun 4, 2025Opens in a new window
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Cheap Flights from Baltimore to Kalispell (BWI-FCA)

Prices were available within the past 7 days and start at $203 for one-way flights and $388 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Jun 4 - Wed, Jun 11
BWI
Baltimore
FCA
Kalispell
$388 Roundtrip, found 4 hours ago
$388
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Jun 4 from Baltimore to Kalispell, returning Wed, Jun 11, priced at $388 found 4 hours ago
American Airlines
Mon, Jun 9 - Sat, Jun 14
BWI
Baltimore
FCA
Kalispell
$423 Roundtrip, found 6 days ago
$423
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Jun 9 from Baltimore to Kalispell, returning Sat, Jun 14, priced at $423 found 6 days ago
Alaska Airlines
Wed, Jun 4 - Wed, Jun 11
BWI
Baltimore
FCA
Kalispell
$426 Roundtrip, found 4 hours ago
$426
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Jun 4 from Baltimore to Kalispell, returning Wed, Jun 11, priced at $426 found 4 hours ago
Delta
Fri, May 16 - Sat, May 17
BWI
Baltimore
FCA
Kalispell
$427 Roundtrip, found 19 hours ago
$427
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, May 16 from Baltimore to Kalispell, returning Sat, May 17, priced at $427 found 19 hours ago
Hawaiian Airlines
Tue, May 27 - Tue, Jun 10
BWI
Baltimore
FCA
Kalispell
$427 Roundtrip, found 2 hours ago
$427
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Tue, May 27 from Baltimore to Kalispell, returning Tue, Jun 10, priced at $427 found 2 hours ago
Delta
Fri, May 30 - Tue, Jun 3
BWI
Baltimore
FCA
Kalispell
$429 Roundtrip, found 6 hours ago
$429
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, May 30 from Baltimore to Kalispell, returning Tue, Jun 3, priced at $429 found 6 hours ago
Alaska Airlines
Wed, Jun 4 - Wed, Jun 11
BWI
Baltimore
FCA
Kalispell
$430 Roundtrip, found 4 hours ago
$430
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Jun 4 from Baltimore to Kalispell, returning Wed, Jun 11, priced at $430 found 4 hours ago
United
Mon, Jun 9 - Sat, Jun 14
BWI
Baltimore
FCA
Kalispell
$432 Roundtrip, found 6 days ago
$432
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jun 9 from Baltimore to Kalispell, returning Sat, Jun 14, priced at $432 found 6 days ago
American Airlines
Mon, May 5 - Tue, May 13
BWI
Baltimore
FCA
Kalispell
$433 Roundtrip, found 3 days ago
$433
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, May 5 from Baltimore to Kalispell, returning Tue, May 13, priced at $433 found 3 days ago
Delta
Sat, May 17 - Sat, May 24
BWI
Baltimore
FCA
Kalispell
$434 Roundtrip, found 1 day ago
$434
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, May 17 from Baltimore to Kalispell, returning Sat, May 24, priced at $434 found 1 day ago
Flights from Baltimore (BWI) to Kalispell (FCA)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Glacier Park Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$387
Distance
1956 mi

Baltimore to Kalispell Flights

The cheapest times to fly from Baltimore to Kalispell

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 Baltimore to Kalispell are during the month of June. You can find some of the cheapest flights from Baltimore to Kalispell with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Baltimore to Kalispell

Sunday is one of the best days to book for cheap flights from Baltimore to Kalispell: 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 Baltimore to Kalispell

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 Baltimore to Kalispell in 2025. You can also book with separate airlines for your outbound and return journeys, from $203 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 Baltimore to Kalispell 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 Baltimore to Kalispell 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.

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Glacier Park Intl. Airport (FCA) cost?
Discover the latest flight deals from BWI to FCA 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 BWI to FCA?
The cheapest flights from BWI to FCA 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 BWI to FCA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from BWI to FCA. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Glacier Park Intl. Airport (FCA)?
There are no daily nonstop flights departing from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Glacier Park Intl. Airport (FCA). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be on your way in no time at all.
What day of the week has the most flights from BWI to FCA?
You’ll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Glacier Park Intl. Airport (FCA)?
To touch down at Glacier Park Intl. Airport (FCA) on schedule, choose a flight that leaves Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Glacier Park Intl. Airport (FCA) last-minute?
Booking your plane ticket from BWI to FCA shortly before your trip is typically more expensive. But if you’re flexible with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a BWI to FCA flight and hotel package?
You’ll generally save money by booking a BWI to FCA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one place. After choosing your preferred accommodations and flights, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Glacier Park Intl. Airport (FCA)?
In most instances, you can reschedule or cancel your BWI to FCA flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.