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Cheap flights from Boise to Washington, D.C. from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Washington, D.C. departing on 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boise to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Boise to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
Alaska Airlines Logo
8:59 pm - 7:36 amBOI-IAD
8h 37m1 stop
Alaska Airlines Logo
7:00 am - 2:05 pmIAD-BOI
9h 05m1 stop
$244Alaska Airlines
Find Deal
Wed, May 21 - Sat, May 31
Alaska Airlines Logo
8:59 pm - 7:36 amBOI-IAD
8h 37m1 stop
Alaska Airlines Logo
6:30 am - 2:05 pmIAD-BOI
9h 35m1 stop
$275Alaska Airlines
Find Deal
Wed, May 21 - Wed, Jun 4
Hawaiian Airlines Logo
8:59 pm - 7:43 amBOI-IAD
8h 44m1 stop
Hawaiian Airlines Logo
7:00 am - 1:31 pmIAD-BOI
8h 31m1 stop
$300Hawaiian Airlines
Find Deal
Mon, May 12 - Wed, May 14
Delta Logo
7:49 pm - 5:52 amBOI-IAD
8h 03m1 stop
Delta Logo
7:45 am - 4:19 pmIAD-BOI
10h 34m1 stop
$301Delta
Find Deal
Mon, May 26 - Mon, Jun 2
Delta Logo
11:40 pm - 9:12 amBOI-IAD
7h 32m1 stop
Delta Logo
3:31 pm - 11:51 pmIAD-BOI
10h 20m2 stops
$306Delta
Find Deal
Tue, Jun 24 - Mon, Jun 30
United Airlines Logo
5:10 am - 1:27 pmBOI-IAD
6h 17m1 stop
United Airlines Logo
6:30 am - 1:49 pmIAD-BOI
9h 19m1 stop
$352United Airlines
Find Deal
Tue, Jun 3 - Sun, Jun 8
United Airlines Logo
11:02 am - 9:16 pmBOI-IAD
8h 14m1 stop
United Airlines Logo
5:35 pm - 10:52 pmIAD-BOI
7h 17m1 stop
$399United Airlines
Find Deal
Thu, May 15 - Mon, May 19
Hawaiian Airlines Logo
7:06 pm - 7:36 amBOI-IAD
10h 30m1 stop
Hawaiian Airlines Logo
9:00 am - 5:17 pmIAD-BOI
10h 17m1 stop
$410Hawaiian Airlines
Find Deal
Sat, May 24 - Wed, May 28
Southwest Logo
8:50 am - 11:05 pmBOI-IAD
12h 15m2 stops
Southwest Logo
7:45 pm - 12:20 amIAD-BOI
6h 35m1 stop
$430Southwest
Find Deal
Tue, Oct 7 - Thu, Oct 9
Southwest Logo
5:35 am - 7:05 pmBOI-IAD
11h 30m2 stops
Southwest Logo
2:05 pm - 12:25 amIAD-BOI
12h 20m2 stops
$455Southwest
Find Deal
Mon, Jun 9 - Wed, Jun 11

Hawaiian Airlines flights from Boise to Washington, D.C. Dulles Intl Airport

Our best Hawaiian Airlines deals on Boise to Washington, D.C. Dulles Intl Airport flight tickets
Hawaiian Airlines
May 12
BOI8:59 pmBoise Air Term. Gowen Fld
8h 44m
1 stop
IAD7:43 amWashington, D.C. Dulles Intl
May 14
IAD7:00 amWashington, D.C. Dulles Intl
8h 31m
1 stop
BOI1:31 pmBoise Air Term. Gowen Fld
Hawaiian Airlines
May 24
BOI7:06 pmBoise Air Term. Gowen Fld
10h 30m
1 stop
IAD7:36 amWashington, D.C. Dulles Intl
May 28
IAD9:00 amWashington, D.C. Dulles Intl
10h 17m
1 stop
BOI5:17 pmBoise Air Term. Gowen Fld
Hawaiian Airlines
May 13
BOI2:41 pmBoise Air Term. Gowen Fld
7h 17m
1 stop
IAD11:58 pmWashington, D.C. Dulles Intl
May 15
IAD9:00 amWashington, D.C. Dulles Intl
8h 55m
1 stop
BOI3:55 pmBoise Air Term. Gowen Fld

United Airlines flights from Boise to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Boise to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jun 3
BOI5:10 amBoise Air Term. Gowen Fld
6h 17m
1 stop
IAD1:27 pmWashington, D.C. Dulles Intl
Jun 8
IAD6:30 amWashington, D.C. Dulles Intl
9h 19m
1 stop
BOI1:49 pmBoise Air Term. Gowen Fld
United Airlines
May 15
BOI11:02 amBoise Air Term. Gowen Fld
8h 14m
1 stop
IAD9:16 pmWashington, D.C. Dulles Intl
May 19
IAD5:35 pmWashington, D.C. Dulles Intl
7h 17m
1 stop
BOI10:52 pmBoise Air Term. Gowen Fld
United Airlines
May 23
BOI7:07 pmBoise Air Term. Gowen Fld
8h 01m
1 stop
IAD5:08 amWashington, D.C. Dulles Intl
Jun 1
IAD6:30 amWashington, D.C. Dulles Intl
9h 19m
1 stop
BOI1:49 pmBoise Air Term. Gowen Fld

See travel insights to Washington, D.C. from

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

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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, February is the cheapest month to fly from Boise to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $316. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $377.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Saturday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $482. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Boise to Washington, D.C. Dulles Intl Airport for around $648.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Boise in the evening is the least expensive time of day to depart. momondo users have found prices as low as $466 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $537 on average. Flights to Washington, D.C. Dulles Intl Airport from Boise in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Boise when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $524 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Boise for as low as $358 on momondo.

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

As of May 2025, prices for Boise to Washington, D.C. Dulles Intl Airport flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Boise to Washington, D.C. Dulles Intl Airport

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

Cheap Boise to Washington, D.C. Dulles Intl Airport (BOI to IAD) flight deals and tips

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

Best Price Found

$150

Fastest flight time

6h 17m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Boise in the past 72 hours is $150. The best round-trip flight deal from Boise to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $244.
The fastest flight from Boise to Washington, D.C. Dulles Intl Airport takes 6h 17m
There are no direct flights from Boise to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Boise Air Term. Gowen Fld Airport - Washington, D.C. Dulles Intl Airport.

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

    A flight from Boise Air Term. Gowen Fld to Washington, D.C. Dulles Intl will travel around 2017.8 mi. In terms of flight time, this usually takes a little over 6h 17m.

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

    Prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport are updated daily.

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

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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


Best airlines flying from Boise to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Boise to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $141Free CancellationRating
8.0
9,972 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $300Free CancellationRating
7.4
8,696 reviews
Search United Airlines flights
DeltaPriceFrom $306Free CancellationRating
8.0
7,934 reviews
Search Delta flights
SouthwestPriceFrom $346Free CancellationRating
8.0
4,293 reviews
Search Southwest flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Gettysburg
National Harbor
Laurel
Winchester
Silver Spring
Woodbridge
Tysons
Fredericksburg
Waldorf
Manassas
Harpers Ferry
Gaithersburg
Towson
Rockville
Glen Burnie
Fairfax
Linthicum Heights
Reston

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Boise.

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

momondo does allow users to show only those flights to Washington, D.C. from Boise which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Boise and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Boise to Washington, D.C. 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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1 adult
Tue 5/6
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