Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boise to Washington, D.C. from $130

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 1/12. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
11:35 am - 4:26 pm
BOI
-
IAD
26h 51m1 stop
Alaska Airlines Logo
6:04 pm - 3:10 pm
IAD
-
BOI
23h 06m1 stop
$226Alaska Airlines
Wed, Jan 28 - Wed, Feb 4
Delta Logo
10:41 am - 11:10 pm
BOI
-
IAD
10h 29m1 stop
Delta Logo
7:00 am - 1:05 pm
IAD
-
BOI
8h 05m1 stop
$227Delta
Sat, Mar 7 - Sat, Mar 14
Delta Logo
1:40 pm - 11:10 pm
BOI
-
IAD
7h 30m1 stop
Delta Logo
7:00 am - 6:28 pm
IAD
-
BOI
13h 28m2 stops
$232Delta
Thu, Jan 15 - Thu, Jan 22
Delta Logo
9:15 am - 11:48 pm
BOI
-
IAD
12h 33m2 stops
Delta Logo
2:15 pm - 11:59 pm
IAD
-
BOI
11h 44m2 stops
$238Delta
Wed, Jan 28 - Fri, Feb 6
Alaska Airlines Logo
5:55 pm - 4:26 pm
BOI
-
IAD
20h 31m1 stop
Alaska Airlines Logo
6:04 pm - 12:51 pm
IAD
-
BOI
20h 47m1 stop
$251Alaska Airlines
Tue, Jan 20 - Fri, Jan 23
Delta Logo
11:20 am - 11:06 pm
BOI
-
IAD
9h 46m2 stops
Delta Logo
7:30 am - 4:17 pm
IAD
-
BOI
10h 47m1 stop
$299Delta
Wed, Jan 28 - Wed, Feb 4
Alaska Airlines Logo
6:28 am - 5:20 pm
BOI
-
IAD
8h 52m1 stop
Alaska Airlines Logo
7:05 am - 11:40 am
IAD
-
BOI
30h 35m1 stop
$300Alaska Airlines
Wed, Mar 4 - Sun, Mar 8
Alaska Airlines Logo
5:55 pm - 4:26 pm
BOI
-
IAD
20h 31m1 stop
Alaska Airlines Logo
6:04 pm - 12:51 pm
IAD
-
BOI
20h 47m1 stop
$306Alaska Airlines
Tue, Jan 20 - Thu, Jan 22
Alaska Airlines Logo
1:00 pm - 5:20 pm
BOI
-
IAD
26h 20m1 stop
Alaska Airlines Logo
7:05 am - 11:40 am
IAD
-
BOI
30h 35m1 stop
$310Alaska Airlines
Wed, Mar 4 - Sun, Mar 8
Delta Logo
10:41 am - 11:10 pm
BOI
-
IAD
10h 29m1 stop
Delta Logo
7:00 am - 4:00 pm
IAD
-
BOI
11h 00m1 stop
$311Delta
Sun, Mar 1 - Sat, Mar 14

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

Our best Alaska Airlines deals on Boise to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Jan 28
BOI6:23 amBoise Air Term. Gowen Fld
8h 03m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Feb 6
IAD6:04 pmWashington, D.C. Dulles Intl
20h 47m
1 stop
BOI12:51 pmBoise Air Term. Gowen Fld
$226
Find similar
Alaska Airlines
Feb 21
BOI6:28 amBoise Air Term. Gowen Fld
8h 52m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Feb 25
IAD7:05 amWashington, D.C. Dulles Intl
18h 54m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$236
Find similar
Alaska Airlines
Jan 20
BOI5:55 pmBoise Air Term. Gowen Fld
20h 31m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Jan 23
IAD6:04 pmWashington, D.C. Dulles Intl
20h 47m
1 stop
BOI12:51 pmBoise Air Term. Gowen Fld
$251
Find similar

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

Our best Southwest deals on Boise to Washington, D.C. Dulles Intl Airport flight tickets
Southwest
Feb 21
BOI5:55 amBoise Air Term. Gowen Fld
13h 50m
2 stops
IAD9:45 pmWashington, D.C. Dulles Intl
Feb 25
IAD5:30 pmWashington, D.C. Dulles Intl
7h 40m
1 stop
BOI11:10 pmBoise Air Term. Gowen Fld
$352
Find similar
Southwest
Feb 21
BOI5:55 amBoise Air Term. Gowen Fld
13h 50m
2 stops
IAD9:45 pmWashington, D.C. Dulles Intl
Feb 25
IAD9:05 amWashington, D.C. Dulles Intl
10h 10m
2 stops
BOI5:15 pmBoise Air Term. Gowen Fld
$357
Find similar
Southwest
Feb 23
BOI5:30 amBoise Air Term. Gowen Fld
9h 30m
2 stops
IAD5:00 pmWashington, D.C. Dulles Intl
Feb 26
IAD3:25 pmWashington, D.C. Dulles Intl
11h 35m
2 stops
BOI1:00 amBoise Air Term. Gowen Fld
$395
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Boise to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 1/28

11:35 am-4:26 pm

1 stop26h 51m

Washington, D.C. Dulles Intl

Wed 2/4

6:04 pm-3:10 pm

1 stop23h 06m

$226

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 3/7

10:41 am-11:10 pm

1 stop10h 29m

Washington, D.C. Dulles Intl

Sat 3/14

7:00 am-1:05 pm

1 stop8h 05m

$227

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Thu 1/15

1:40 pm-11:10 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Thu 1/22

7:00 am-6:28 pm

2 stops13h 28m

$232

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 1/28

9:15 am-11:48 pm

2 stops12h 33m

Washington, D.C. Dulles Intl

Fri 2/6

2:15 pm-11:59 pm

2 stops11h 44m

$238

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 1/20

5:55 pm-4:26 pm

1 stop20h 31m

Washington, D.C. Dulles Intl

Fri 1/23

6:04 pm-12:51 pm

1 stop20h 47m

$251

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 1/28

11:20 am-11:06 pm

2 stops9h 46m

Washington, D.C. Dulles Intl

Wed 2/4

7:30 am-4:17 pm

1 stop10h 47m

$299

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 3/4

6:28 am-5:20 pm

1 stop8h 52m

Washington, D.C. Dulles Intl

Sun 3/8

7:05 am-11:40 am

1 stop30h 35m

$300

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 1/20

5:55 pm-4:26 pm

1 stop20h 31m

Washington, D.C. Dulles Intl

Thu 1/22

6:04 pm-12:51 pm

1 stop20h 47m

$306

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 3/4

1:00 pm-5:20 pm

1 stop26h 20m

Washington, D.C. Dulles Intl

Sun 3/8

7:05 am-11:40 am

1 stop30h 35m

$310

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sun 3/1

10:41 am-11:10 pm

1 stop10h 29m

Washington, D.C. Dulles Intl

Sat 3/14

7:00 am-4:00 pm

1 stop11h 00m

$311

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $318. 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 $365.

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

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

Fastest flight time

7h 30m

Direct flights

None
The fastest flight from Boise to Washington, D.C. Dulles Intl Airport takes 7h 30m
There are no direct flights from Boise to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Boise to Washington, D.C. Dulles Intl Airport.
Search flight deals

  • 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 7h 30m.

  • 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
11,507 reviews
Search Alaska Airlines flights
DeltaPriceFrom $290Free CancellationRating
7.9
8,014 reviews
Search Delta flights
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,104 reviews
Search United Airlines flights
SouthwestPriceFrom $379Free CancellationRating
8.0
4,253 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
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Gaithersburg
Reston
Manassas
Sterling
Fairfax

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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 1/22
Thu 1/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.