What are the cheapest airlines flying from Kalispell to Washington, D.C. round-trip?

Currently priced at $280, Delta will fly you from Kalispell to Washington, D.C. and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $393. Delta is 40% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Kalispell to Washington, D.C. one-way?

The cheapest airlines for a one-way flight from Kalispell to Washington, D.C. are Alaska Airlines ($145), United Airlines ($191), and American Airlines ($191).

What is the cheapest day to fly from Kalispell to Washington, D.C.?

Travelers seeking maximum savings on their Kalispell to Washington, D.C. flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Kalispell to Washington, D.C.?

Most travelers choose Kalispell Glacier Park - Washington, D.C. Dulles Intl, Kalispell Glacier Park - Baltimore/Washington or Kalispell Glacier Park - Washington, D.C. Reagan-National when deciding on the best route from Kalispell to Washington, D.C..

What is the cheapest day to fly round-trip from Kalispell to Washington, D.C.?

Saturday flights are generally found to be more expensive for flights from Kalispell to Washington, D.C.. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

What is the cheapest month to fly from Kalispell to Washington, D.C.?

Flights from Kalispell to Washington, D.C. lean towards being more expensive in August. Prices are generally better when you fly from Kalispell to Washington, D.C. in September, with the cheapest ticket starting at $340.

What is the cheapest time of day to fly from FCA to WAS?

Unlike in the morning, when flights are generally more expensive, you can save up to 31% on flights from Kalispell to Washington, D.C. by exploring options for tickets at noon.

What airport do you fly from for flights from Kalispell to Washington, D.C.?

Kalispell Glacier Park (FCA) is the airport you will fly out of if you book a flight from Kalispell to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Glacier Park; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Kalispell airport to Washington, D.C.. It is only a 8.4 mi journey to Glacier Park (FCA) from Kalispell’s city center.

Can I find deals for flights from Kalispell to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Kalispell to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Kalispell to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kalispell to Washington, D.C..

Can I find deals for business class flights from Kalispell to Washington, D.C.?

Yes. Cheapflights offers flight deals from Kalispell to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$145+ Cheap Flights from Kalispell to Washington, D.C.

Q: How much does it cost to fly round-trip from Kalispell to Washington, D.C.?

Airfare is below average for this route at the moment. Kalispell to Washington, D.C. flights typically cost between $684 and $751 in September. The cheapest round-trip price found within the last 3 days was $290 on Alaska Airlines (Sep 11-Sep 15).

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Cheap flight deals from Kalispell to Washington, D.C.

Round-trip from	$290 (Alaska Airlines)
One-way from	$145 (Alaska Airlines)
Popular in	August
Cheapest in	September
Average price	$717

From Kalispell Glacier Park to Washington, D.C. (WAS)

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One-way flight from Kalispell Glacier Park to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 8% potential increase in price ($45 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Kalispell to Washington, D.C.

Cheapest flights from Kalispell to Washington, D.C.
Explore the most affordable flight options available from Kalispell to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Thu 9/118:02 pmFCA - IAD

1 stop9h 31mAlaska Airlines

Mon 9/156:09 pmIAD - FCA

1 stop7h 50mAlaska Airlines

Deal found 8/12

$290

Wed 8/276:30 amFCA - IAD

1 stop7h 04mUnited Airlines

Sun 8/3110:25 amIAD - FCA

1 stop7h 42mUnited Airlines

Deal found 8/12

$291

Fri 8/2912:41 pmFCA - DCA

1 stop8h 02mUnited Airlines

Tue 9/27:00 amDCA - FCA

1 stop10h 28mUnited Airlines

Deal found 8/13

$291

Thu 9/118:02 pmFCA - IAD

1 stop9h 31mAlaska Airlines

Tue 9/166:09 pmIAD - FCA

1 stop7h 50mAlaska Airlines

Deal found 8/13

$345

Thu 9/115:20 amFCA - DCA

1 stop8h 51mDelta

Tue 9/165:21 pmDCA - FCA

1 stop9h 01mDelta

Deal found 8/13

$361

Mon 11/242:38 pmFCA - IAD

1 stop6h 37mUnited Airlines

Mon 12/82:30 pmIAD - FCA

1 stop9h 16mUnited Airlines

Deal found 8/13

$381

Thu 11/276:10 amFCA - DCA

1 stop6h 48mUnited Airlines

Mon 12/84:05 pmDCA - FCA

1 stop7h 41mUnited Airlines

Deal found 8/13

$381

Thu 9/114:53 pmFCA - IAD

2 stops17h 25mAmerican Airlines

Mon 9/156:25 amIAD - FCA

1 stop9h 58mAmerican Airlines

Deal found 8/12

$395

Fri 8/292:55 pmFCA - DCA

1 stop6h 41mDelta

Tue 9/25:30 pmDCA - FCA

2 stops8h 23mDelta

Deal found 8/13

$401

Sat 9/1310:47 amFCA - IAD

1 stop8h 20mUnited Airlines

Tue 9/166:35 amIAD - FCA

1 stop7h 00mUnited Airlines

Deal found 8/13

$425

Thu 9/116:10 pmFCA - BWI

1 stop9h 50mDelta

Mon 9/156:15 amBWI - FCA

1 stop9h 37mDelta

Deal found 8/13

$426

Thu 9/112:55 pmFCA - IAD

1 stop6h 43mDelta

Tue 9/165:00 pmIAD - FCA

2 stops8h 44mDelta

Deal found 8/13

$440

Best flights from Kalispell to Washington, D.C.
Discover carefully curated flight deals from Kalispell to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Thu 9/118:02 pmFCA - IAD

1 stop9h 31mAlaska Airlines

Mon 9/156:09 pmIAD - FCA

1 stop7h 50mAlaska Airlines

Deal found 8/12

$290

Wed 8/276:30 amFCA - IAD

1 stop7h 04mUnited Airlines

Sun 8/3110:25 amIAD - FCA

1 stop7h 42mUnited Airlines

Deal found 8/12

$291

Thu 9/115:20 amFCA - DCA

1 stop8h 51mDelta

Tue 9/165:21 pmDCA - FCA

1 stop9h 01mDelta

Deal found 8/13

$361

Thu 9/114:53 pmFCA - IAD

2 stops17h 25mAmerican Airlines

Mon 9/156:25 amIAD - FCA

1 stop9h 58mAmerican Airlines

Deal found 8/12

$395

Fri 8/2912:41 pmFCA - DCA

1 stop8h 02mUnited Airlines

Tue 9/27:00 amDCA - FCA

1 stop10h 28mUnited Airlines

Deal found 8/13

$291

Thu 9/118:02 pmFCA - IAD

1 stop9h 31mAlaska Airlines

Tue 9/166:09 pmIAD - FCA

1 stop7h 50mAlaska Airlines

Deal found 8/13

$345

Fri 8/292:55 pmFCA - DCA

1 stop6h 41mDelta

Tue 9/25:30 pmDCA - FCA

2 stops8h 23mDelta

Deal found 8/13

$401

Mon 11/242:38 pmFCA - IAD

1 stop6h 37mUnited Airlines

Mon 12/82:30 pmIAD - FCA

1 stop9h 16mUnited Airlines

Deal found 8/13

$381

Wed 8/2711:53 amFCA - BWI

1 stop9h 09mAmerican Airlines

Sun 8/317:00 amBWI - FCA

1 stop9h 39mAmerican Airlines

Deal found 8/12

$461

Thu 11/276:10 amFCA - IAD

1 stop8h 20mUnited Airlines

Mon 12/82:30 pmIAD - FCA

1 stop9h 16mUnited Airlines

Deal found 8/13

$381

Thu 9/116:10 pmFCA - BWI

1 stop9h 50mDelta

Mon 9/156:15 amBWI - FCA

1 stop9h 37mDelta

Deal found 8/12

$426

Wed 8/271:25 pmFCA - IAD

2 stops17h 17mAmerican Airlines

Sun 8/316:27 amIAD - FCA

1 stop10h 12mAmerican Airlines

Deal found 8/12

$464

Last-minute flights from Kalispell to Washington, D.C.
Discover last-minute flight deals from Kalispell to Washington, D.C.. Data last updated August 14, 2025 and is based on user searches.

Sun 8/246:30 amFCA - BWI

1 stop20h 51mUnited Airlines

Wed 8/274:20 pmBWI - FCA

1 stop7h 20mUnited Airlines

Deal found 8/13

$967

Sun 8/243:29 pmFCA - DCA

1 stop7h 36mAmerican Airlines

Wed 8/275:00 amDCA - FCA

1 stop8h 03mAmerican Airlines

Deal found 8/13

$1,014

Sun 8/246:30 amFCA - IAD

1 stop14h 47mUnited Airlines

Wed 8/275:47 pmIAD - FCA

1 stop24h 20mUnited Airlines

Deal found 8/13

$1,183

Sun 8/244:57 pmFCA - BWI

1 stop16h 55mAmerican Airlines

Wed 8/277:00 amBWI - FCA

1 stop9h 39mAmerican Airlines

Deal found 8/13

$1,190

Sun 8/248:02 pmFCA - BWI

2 stops13h 50mAlaska Airlines

Wed 8/276:00 amBWI - FCA

2 stops15h 22mAlaska Airlines

Deal found 8/13

$1,550

Sun 8/245:20 amFCA - IAD

2 stops9h 10mDelta

Wed 8/276:15 amIAD - FCA

1 stop9h 42mDelta

Deal found 8/13

$1,660

Wed 8/276:30 amFCA - IAD

1 stop7h 04mUnited Airlines

Sun 8/3110:25 amIAD - FCA

1 stop7h 42mUnited Airlines

Deal found 8/12

$291

Wed 8/2711:53 amFCA - BWI

1 stop9h 09mAmerican Airlines

Sun 8/317:00 amBWI - FCA

1 stop9h 39mAmerican Airlines

Deal found 8/12

$461

Wed 8/271:25 pmFCA - IAD

2 stops17h 17mAmerican Airlines

Sun 8/316:27 amIAD - FCA

1 stop10h 12mAmerican Airlines

Deal found 8/12

$464

Fri 8/2912:41 pmFCA - DCA

1 stop8h 02mUnited Airlines

Tue 9/27:00 amDCA - FCA

1 stop10h 28mUnited Airlines

Deal found 8/13

$291

Fri 8/292:55 pmFCA - DCA

1 stop6h 41mDelta

Tue 9/25:30 pmDCA - FCA

2 stops8h 23mDelta

Deal found 8/13

$401

Thu 9/118:02 pmFCA - IAD

1 stop9h 31mAlaska Airlines

Mon 9/156:09 pmIAD - FCA

1 stop7h 50mAlaska Airlines

Deal found 8/12

$290

One-way flights from Kalispell to Washington, D.C.
Search for one-way flight options from Kalispell to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Sat 9/208:02 pmFCA - IAD

1 stop9h 31mAlaska Airlines

Deal found 8/14

$145

Sun 9/215:33 pmFCA - BWI

2 stops35h 28mMultiple Airlines

Deal found 8/14

$157

Thu 9/254:08 pmFCA - IAD

1 stop11h 28mUnited Airlines

Deal found 8/13

$191

Wed 9/243:49 pmFCA - DCA

1 stop7h 11mAmerican Airlines

Deal found 8/13

$191

Sun 8/249:30 pmFCA - DCA

2 stops41h 29mMultiple Airlines

Deal found 8/12

$195

Wed 9/248:02 pmFCA - BWI

1 stop7h 37mAlaska Airlines

Deal found 8/13

$200

Wed 9/248:02 pmFCA - IAD

1 stop9h 31mAlaska Airlines

Deal found 8/13

$200

Tue 9/233:49 pmFCA - DCA

1 stop7h 09mAmerican Airlines

Deal found 8/13

$200

Wed 9/173:49 pmFCA - DCA

1 stop7h 11mAmerican Airlines

Deal found 8/12

$201

Sun 8/3110:47 amFCA - IAD

1 stop8h 20mUnited Airlines

Deal found 8/13

$219

Wed 8/206:30 amFCA - DCA

1 stop6h 36mUnited Airlines

Deal found 8/12

$251

Sat 8/302:30 pmFCA - BWI

1 stop6h 47mUnited Airlines

Deal found 8/14

$256

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kalispell to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 9/11

8:02 pm-7:33 am

1 stop9h 31m

Washington, D.C. Dulles Intl

Mon 9/15

6:09 pm-11:59 pm

1 stop7h 50m

$290

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Wed 8/27

6:30 am-3:34 pm

1 stop7h 04m

Washington, D.C. Dulles Intl

Sun 8/31

10:25 am-4:07 pm

1 stop7h 42m

$291

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Fri 8/29

12:41 pm-10:43 pm

1 stop8h 02m

Washington, D.C. Reagan-National

Tue 9/2

7:00 am-3:28 pm

1 stop10h 28m

$291

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 9/11

8:02 pm-7:33 am

1 stop9h 31m

Washington, D.C. Dulles Intl

Tue 9/16

6:09 pm-11:59 pm

1 stop7h 50m

$345

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Thu 9/11

5:20 am-4:11 pm

1 stop8h 51m

Washington, D.C. Reagan-National

Tue 9/16

5:21 pm-12:22 am

1 stop9h 01m

$361

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Mon 11/24

2:38 pm-11:15 pm

1 stop6h 37m

Washington, D.C. Dulles Intl

Mon 12/8

2:30 pm-9:46 pm

1 stop9h 16m

$381

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 11/27

6:10 am-4:30 pm

1 stop8h 20m

Washington, D.C. Dulles Intl

Mon 12/8

2:30 pm-9:46 pm

1 stop9h 16m

$381

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Thu 9/11

4:53 pm-12:18 pm

2 stops17h 25m

Washington, D.C. Dulles Intl

Mon 9/15

6:25 am-2:23 pm

1 stop9h 58m

$395

KalispellWashington, D.C.

FCA - DCA

FCADCA

Kalispell Glacier Park

Fri 8/29

2:55 pm-11:36 pm

1 stop6h 41m

Washington, D.C. Reagan-National

Tue 9/2

5:30 pm-11:53 pm

2 stops8h 23m

$401

KalispellWashington, D.C.

FCA - IAD

FCAIAD

Kalispell Glacier Park

Sat 9/13

10:47 am-9:07 pm

1 stop8h 20m

Washington, D.C. Dulles Intl

Tue 9/16

6:35 am-11:35 am

1 stop7h 00m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 49 results

...

Best time to book a flight from Kalispell to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Kalispell with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kalispell to Washington, D.C.

What is the cheapest month to book a flight from Kalispell to Washington, D.C.?

Currently, July is the cheapest month in which you can book a flight from Kalispell to Washington, D.C. (average of $302). Flying from Kalispell to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Kalispell to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Delta and United Airlines from Kalispell to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,916 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Kalispell to Washington, D.C.?
Kalispell Glacier Park (FCA) is the airport you will fly out of if you book a flight from Kalispell to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Glacier Park; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Kalispell airport to Washington, D.C.. It is only a 8.4 mi journey to Glacier Park (FCA) from Kalispell’s city center.
What are the cheapest airlines flying from Kalispell to Washington, D.C. round-trip?
Currently priced at $280, Delta will fly you from Kalispell to Washington, D.C. and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $393. Delta is 40% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Kalispell to Washington, D.C. one-way?
The cheapest airlines for a one-way flight from Kalispell to Washington, D.C. are Alaska Airlines ($145), United Airlines ($191), and American Airlines ($191).
What are the most popular routes from Kalispell to Washington, D.C.?
Most travelers choose Kalispell Glacier Park - Washington, D.C. Dulles Intl, Kalispell Glacier Park - Baltimore/Washington or Kalispell Glacier Park - Washington, D.C. Reagan-National when deciding on the best route from Kalispell to Washington, D.C..
Can I find deals for flights from Kalispell to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Kalispell to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kalispell to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kalispell to Washington, D.C..
Can I find deals for business class flights from Kalispell to Washington, D.C.?
Yes. Cheapflights offers flight deals from Kalispell to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Kalispell to Washington, D.C.?
Currently, July is the cheapest month in which you can book a flight from Kalispell to Washington, D.C. (average of $302). Flying from Kalispell to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 2 airlines flying from Kalispell to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$203	Average$515	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$393	Average$666	FlexibilityNo cancel fee	On-time69%

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$145+ Cheap flights from Kalispell (FCA) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Kalispell to Washington, D.C.

Cheapest flights from Kalispell to Washington, D.C.Explore the most affordable flight options available from Kalispell to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Kalispell to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kalispell to Washington, D.C. that are best for you.

Best time to book a flight from Kalispell to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Kalispell with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Kalispell to Washington, D.C.

What is the cheapest month to book a flight from Kalispell to Washington, D.C.?

How much does it cost to fly round-trip from Kalispell to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Delta and United Airlines from Kalispell to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Kalispell to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Kalispell to Washington, D.C.?

What are the cheapest airlines flying from Kalispell to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Kalispell to Washington, D.C. one-way?

What are the most popular routes from Kalispell to Washington, D.C.?

Can I find deals for flights from Kalispell to Washington, D.C. that include hotel bookings?

How can I find direct flights from Kalispell to Washington, D.C.?

Can I find deals for business class flights from Kalispell to Washington, D.C.?

What is the cheapest month to book a flight from Kalispell to Washington, D.C.?

Traveling to a place near Washington, D.C.?

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Alternative routes for Kalispell to Washington, D.C.

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Top 2 airlines flying from Kalispell to Washington, D.C.

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Cheapest flights from Kalispell to Washington, D.C.
Explore the most affordable flight options available from Kalispell to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.