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Cheap flights from Washington, D.C. Dulles Intl Airport to Boise from $149

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. Dulles Intl Airport to Boise departing on 4/29. 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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0 bags

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

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Boise.
Alaska Airlines Logo
10:00 am - 6:01 pmIAD-BOI
10h 01m1 stop
Alaska Airlines Logo
1:00 pm - 5:40 amBOI-IAD
14h 40m2 stops
$273Alaska Airlines
Find Deal
Tue, Apr 29 - Sat, May 3
Alaska Airlines Logo
10:00 am - 4:55 pmIAD-BOI
8h 55m1 stop
Alaska Airlines Logo
3:30 pm - 5:22 pmBOI-IAD
23h 52m1 stop
$277Alaska Airlines
Find Deal
Tue, Apr 22 - Mon, Apr 28
Alaska Airlines Logo
7:00 am - 1:31 pmIAD-BOI
8h 31m1 stop
Alaska Airlines Logo
6:41 pm - 7:43 amBOI-IAD
11h 02m1 stop
$300Alaska Airlines
Find Deal
Fri, Apr 25 - Mon, Apr 28
Delta Logo
6:43 pm - 12:22 amIAD-BOI
7h 39m1 stop
Delta Logo
7:49 pm - 5:52 amBOI-IAD
8h 03m1 stop
$301Delta
Find Deal
Tue, Jun 3 - Thu, Jun 5
Delta Logo
5:24 pm - 12:22 amIAD-BOI
8h 58m2 stops
Delta Logo
7:49 pm - 5:52 amBOI-IAD
8h 03m1 stop
$306Delta
Find Deal
Tue, Jun 3 - Fri, Jun 6
Sun Country Air Logo
6:15 am - 4:02 pmIAD-BOI
11h 47m1 stop
Sun Country Air Logo
6:20 pm - 11:31 amBOI-IAD
15h 11m1 stop
$325Sun Country Air
Find Deal
Thu, Jun 26 - Sun, Jun 29
Southwest Logo
6:50 pm - 12:05 amIAD-BOI
7h 15m1 stop
Southwest Logo
6:05 am - 6:35 pmBOI-IAD
10h 30m1 stop
$335Southwest
Find Deal
Thu, Aug 14 - Sun, Aug 17
United Airlines Logo
5:35 pm - 10:52 pmIAD-BOI
7h 17m1 stop
United Airlines Logo
7:10 pm - 7:19 amBOI-IAD
10h 09m1 stop
$343United Airlines
Find Deal
Mon, May 5 - Mon, May 12
United Airlines Logo
6:30 am - 1:49 pmIAD-BOI
9h 19m1 stop
United Airlines Logo
7:07 pm - 5:08 amBOI-IAD
8h 01m1 stop
$401United Airlines
Find Deal
Sat, May 31 - Sun, Jun 8
Southwest Logo
2:10 pm - 12:25 amIAD-BOI
12h 15m2 stops
Southwest Logo
5:25 pm - 1:20 pmBOI-IAD
17h 55m2 stops
$475Southwest
Find Deal
Thu, Aug 14 - Sun, Aug 17

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

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Boise flight tickets
Alaska Airlines
Apr 29
IAD10:00 amWashington, D.C. Dulles Intl
10h 01m
1 stop
BOI6:01 pmBoise Air Term. Gowen Fld
May 3
BOI1:00 pmBoise Air Term. Gowen Fld
14h 40m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
Alaska Airlines
Apr 22
IAD10:00 amWashington, D.C. Dulles Intl
8h 55m
1 stop
BOI4:55 pmBoise Air Term. Gowen Fld
Apr 28
BOI3:30 pmBoise Air Term. Gowen Fld
23h 52m
1 stop
IAD5:22 pmWashington, D.C. Dulles Intl
Alaska Airlines
Apr 25
IAD7:00 amWashington, D.C. Dulles Intl
8h 31m
1 stop
BOI1:31 pmBoise Air Term. Gowen Fld
Apr 28
BOI6:41 pmBoise Air Term. Gowen Fld
11h 02m
1 stop
IAD7:43 amWashington, D.C. Dulles Intl

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

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to Boise flight tickets
Southwest
Aug 14
IAD6:50 pmWashington, D.C. Dulles Intl
7h 15m
1 stop
BOI12:05 amBoise Air Term. Gowen Fld
Aug 17
BOI6:05 amBoise Air Term. Gowen Fld
10h 30m
1 stop
IAD6:35 pmWashington, D.C. Dulles Intl
Southwest
Aug 14
IAD2:10 pmWashington, D.C. Dulles Intl
12h 15m
2 stops
BOI12:25 amBoise Air Term. Gowen Fld
Aug 17
BOI5:25 pmBoise Air Term. Gowen Fld
17h 55m
2 stops
IAD1:20 pmWashington, D.C. Dulles Intl
Southwest
Sep 25
IAD2:10 pmWashington, D.C. Dulles Intl
12h 15m
2 stops
BOI12:25 amBoise Air Term. Gowen Fld
Sep 30
BOI8:45 amBoise Air Term. Gowen Fld
11h 20m
2 stops
IAD10:05 pmWashington, D.C. Dulles Intl

See travel insights to Boise from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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 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. Dulles Intl Airport 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. Dulles Intl Airport when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $510 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from Washington, D.C. Dulles Intl Airport for as low as $387 on momondo.

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

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

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Boise (IAD to BOI) flight deals and tips

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

Best Price Found

$149

Fastest flight time

6h 24m

Direct flights

None

Airports in Boise

1 airport
The best one-way flight to Boise from Washington, D.C. Dulles Intl Airport in the past 72 hours is $149. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Boise found on momondo in the last 72 hours is $273.
The fastest flight from Washington, D.C. Dulles Intl Airport to Boise takes 6h 24m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Boise. Popular non-direct route for this connection is 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. Dulles Intl to Boise Air Term. Gowen Fld by plane?

    The distance between Washington, D.C. Dulles Intl and Boise Air Term. Gowen Fld is about 2017.8 mi. In terms of flight time, this usually takes a little over 6h 24m.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Boise Air Term. Gowen Fld Airport.

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

    The necessary travel and health documents for your Boise Air Term. Gowen Fld Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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


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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Boise with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $230Free CancellationRating
8.0
9,835 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $274Free CancellationRating
8.0
4,275 reviews
Search Southwest flights
DeltaPriceFrom $308Free CancellationRating
8.0
7,897 reviews
Search Delta flights
United AirlinesPriceFrom $336Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Boise

    The lowest priced United Airlines flight from Washington, D.C. Dulles Intl Airport to Boise from the last 72 hours was $336. Generally, United Airlines has 3 flights on this route every week with an average price of $527. United Airlines is rated 7.4/10 by our users.


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?

Yes. All flights to Boise from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Boise.

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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