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Cheap flights from Washington, D.C. to Boise from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Boise departing on 5/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Boise

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. to Boise.
8:44 pm - 11:21 amBWI-BOI
16h 37m2 stops
12:16 pm - 6:10 amBOI-BWI
15h 54m1 stop
$235Spirit Airlines
Find Deal
Thu, May 8 - Mon, May 12
8:44 pm - 11:21 amBWI-BOI
16h 37m2 stops
12:16 pm - 6:10 amBOI-BWI
15h 54m1 stop
$236Spirit Airlines
Find Deal
Thu, May 8 - Mon, May 12
7:00 am - 1:31 pmIAD-BOI
8h 31m1 stop
2:41 pm - 12:23 amBOI-IAD
7h 42m1 stop
$265Alaska Airlines
Find Deal
Fri, Apr 25 - Mon, Apr 28
6:52 pm - 12:03 amIAD-BOI
7h 11m1 stop
3:30 pm - 11:40 pmBOI-IAD
6h 10m1 stop
$266Delta
Find Deal
Mon, Apr 21 - Wed, Apr 30
6:30 am - 1:47 pmIAD-BOI
9h 17m1 stop
7:45 am - 6:13 pmBOI-IAD
8h 28m1 stop
$280Alaska Airlines
Find Deal
Wed, May 7 - Tue, May 13
7:25 am - 1:40 pmIAD-BOI
8h 15m1 stop
8:00 pm - 6:20 amBOI-IAD
8h 20m1 stop
$301Delta
Find Deal
Thu, Apr 24 - Sun, Apr 27
5:25 pm - 10:27 pmIAD-BOI
7h 02m1 stop
7:15 pm - 7:19 amBOI-IAD
10h 04m1 stop
$321United Airlines
Find Deal
Mon, Jul 14 - Fri, Jul 25
6:00 am - 11:50 amDCA-BOI
7h 50m1 stop
5:20 am - 3:20 pmBOI-DCA
8h 00m2 stops
$356Southwest
Find Deal
Fri, Jul 4 - Sun, Jul 13
3:00 pm - 11:55 pmBWI-BOI
10h 55m2 stops
12:55 pm - 11:20 pmBOI-BWI
8h 25m1 stop
$357Southwest
Find Deal
Wed, Jun 4 - Sat, Jun 7
8:30 am - 1:32 pmIAD-BOI
7h 02m1 stop
2:00 pm - 1:09 amBOI-IAD
9h 09m1 stop
$360United Airlines
Find Deal
Sun, Apr 27 - Sun, May 4

United Airlines flights from Washington, D.C. to Boise

Our best United Airlines deals on Washington, D.C. to Boise flight tickets
United Airlines
Jul 14
IAD5:25 pmWashington, D.C. Dulles Intl
7h 02m
1 stop
BOI10:27 pmBoise Air Term. Gowen Fld
Jul 25
BOI7:15 pmBoise Air Term. Gowen Fld
10h 04m
1 stop
IAD7:19 amWashington, D.C. Dulles Intl
United Airlines
Apr 27
IAD8:30 amWashington, D.C. Dulles Intl
7h 02m
1 stop
BOI1:32 pmBoise Air Term. Gowen Fld
May 4
BOI2:00 pmBoise Air Term. Gowen Fld
9h 09m
1 stop
IAD1:09 amWashington, D.C. Dulles Intl
United Airlines
Apr 27
BWI6:30 amBaltimore/Washington
11h 51m
2 stops
BOI4:21 pmBoise Air Term. Gowen Fld
May 4
BOI2:43 pmBoise Air Term. Gowen Fld
6h 34m
1 stop
BWI11:17 pmBaltimore/Washington

American Airlines flights from Washington, D.C. to Boise

Our best American Airlines deals on Washington, D.C. to Boise flight tickets
American Airlines
Sep 20
IAD7:09 amWashington, D.C. Dulles Intl
11h 33m
2 stops
BOI4:42 pmBoise Air Term. Gowen Fld
Sep 27
BOI7:30 amBoise Air Term. Gowen Fld
12h 22m
2 stops
IAD9:52 pmWashington, D.C. Dulles Intl
American Airlines
Sep 20
BWI6:56 amBaltimore/Washington
11h 46m
2 stops
BOI4:42 pmBoise Air Term. Gowen Fld
Sep 27
BOI5:18 pmBoise Air Term. Gowen Fld
13h 18m
2 stops
BWI8:36 amBaltimore/Washington
American Airlines
May 5
IAD1:59 pmWashington, D.C. Dulles Intl
11h 33m
2 stops
BOI11:32 pmBoise Air Term. Gowen Fld
May 10
BOI7:14 amBoise Air Term. Gowen Fld
10h 22m
2 stops
IAD7:36 pmWashington, D.C. Dulles Intl

See travel insights to Boise from

How to get the cheapest flight ticket from Washington, D.C. to Boise

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. and Boise?

What is the cheapest month to fly to Boise?

The month of February is, on average, the cheapest month to fly to Boise from Washington, D.C., with most prices found around $346. If you aren’t able to travel during the month of February, then book flights to Boise from Washington, D.C. during August instead. Flights to Boise in August, while not as cheap as those in February, still average around $411.

What is the cheapest day to depart on your flight to Boise?

Our data shows that Wednesday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $453. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $638. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

What is the cheapest time of day to depart on your flight to Boise?

Our data shows that the cheapest Washington, D.C. to Boise flights are usually those with departure times at noon. Our users have found flights to Boise at noon for as low as $432. In the evening is when there is more demand to fly to Boise, so prices are often more expensive at around $611 per ticket.

How far in advance should I book a flight to Boise?

You are more likely to see cheaper flights to Boise from Washington, D.C. when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $487 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from Washington, D.C. for as low as $329 on momondo.

How have Washington, D.C. to Boise flight prices changed over time?

As of March 2025, prices for Washington, D.C. to Boise flights are approximately 22% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Boise

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Boise according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Boise (WAS to BOI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Boise

Best Price Found

$139

Fastest flight time

6h 24m

Direct flights

None

Airports in Boise

1 airport
The best one-way flight to Boise from Washington, D.C. in the past 72 hours is $139. The best round-trip flight deal from Washington, D.C. to Boise found on momondo in the last 72 hours is $235.
The fastest flight from Washington, D.C. to Boise takes 6h 24m
There are no direct flights from Washington, D.C. to Boise. Popular non-direct routes for this connection are Baltimore/Washington Airport - Boise Air Term. Gowen Fld Airport, Washington, D.C. Reagan-National Airport - Boise Air Term. Gowen Fld Airport and Washington, D.C. Dulles Intl Airport - Boise Air Term. Gowen Fld Airport.
There is 1 airport near Boise: Boise Air Term. Gowen Fld (BOI)

  • How far is Washington, D.C. to Boise Air Term. Gowen Fld by plane?

    There are 2039.5 mi between Washington, D.C. and Boise Air Term. Gowen Fld. A reasonable flight in good conditions will take 6h 24m.

  • When did momondo last update prices for flights from Washington, D.C. to Boise Air Term. Gowen Fld Airport?

    Prices for flights from Washington, D.C. to Boise Air Term. Gowen Fld Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Boise Air Term. Gowen Fld Airport?

  • How old do you have to be to fly from Washington, D.C. to Boise Air Term. Gowen Fld Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The travel and health documents you'll need for your trip to Boise Air Term. Gowen Fld Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boise Air Term. Gowen Fld Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Boise?


Best airlines flying from Washington, D.C. to Boise

Compare and see reviews for airlines that fly from Washington, D.C. to Boise with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $180Free CancellationRating
6.3
7,884 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $230Free CancellationRating
8.0
9,818 reviews
Search Alaska Airlines flights
DeltaPriceFrom $230Free CancellationRating
8.0
7,899 reviews
Search Delta flights
SouthwestPriceFrom $274Free CancellationRating
8.0
4,276 reviews
Search Southwest flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights
American AirlinesPriceFrom $408Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • United Airlines Flights From Washington, D.C. to Boise

    United Airlines operates around 1 flight from Washington, D.C. to Boise every week. The average price of these flights found in the last 72 hours has been $602, but momondo users have found United Airlines deals from Washington, D.C. to Boise from as low as $298 round-trip. United Airlines has been scored 7.4/10 in 8,614 reviews.


Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
McCall
Ontario
Caldwell
Eagle

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Boise?

Finding the right flight to Boise from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boise quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Boise with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Boise on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Boise?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boise from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Boise right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Boise flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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