What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Boise round-trip?

Flying on Alaska Airlines is currently your cheapest option to Boise, with prices starting at $300. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $301 and $306, respectively. Users have found that Alaska Airlines is 40% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Boise one-way?

$150 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $156 and $201, respectively.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Boise?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Boise (average of $314). Flying from Washington, D.C. Dulles Intl Airport to Boise in June is currently the most expensive (average of $406). 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.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Boise?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Boise flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Boise?

Before booking your flight from Washington, D.C. Dulles Intl Airport to Boise check out the most popular airlines for this route: Alaska Airlines, Delta or United Airlines.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Boise?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Boise. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Boise?

Flights from Washington, D.C. Dulles Intl Airport to Boise lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Boise in April, with the cheapest ticket starting at $212.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Boise flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Boise flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Boise from Washington, D.C. Dulles Intl?

Most people fly into Boise Air Term. Gowen Fld (BOI) if they book a flight to Boise from Washington, D.C. Dulles Intl. On average, Air Term. Gowen Fld has 0 inbound flights from Washington, D.C. Dulles Intl per day from 4 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

Can I find deals for flights from Dulles Intl to Boise that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Boise?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Boise.

Can I find deals for business class flights from Dulles Intl to Boise?

Yes. Cheapflights offers flight deals from Dulles Intl to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$150+ Flights from Washington, D.C. Dulles Intl Airport to Boise

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

To save up to 87% on this flight, we recommend booking at least 26 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Dulles Intl Airport to Boise from $245 1-2 weeks out and tickets from $398 for flights departing within the next 72 hours.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dulles Intl to Boise with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Boise Air Term. Gowen Fld are usually found in February or August, booked 27 days in advance, depart on a Wednesday or Saturday and return on a Saturday

Cheap flight deals from Dulles Intl to Boise

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$300 (Alaska Airlines)
One-way from	$150 (Alaska Airlines)
Popular in	July
Cheapest in	February
Average price	$527

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Boise Air Term. Gowen Fld flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Boise Air Term. Gowen Fld flights.

Search Deals

From Washington, D.C. Dulles Intl to Boise Air Term. Gowen Fld

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Boise Air Term. Gowen Fld

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($52 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Dulles Intl to Boise

Cheapest flights from Dulles Intl to Boise
Explore the most affordable flight options available from Dulles Intl to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Thu 5/299:00 amIAD - BOI

1 stop8h 55mAlaska Airlines

Wed 6/1112:54 pmBOI - IAD

1 stop15h 01mAlaska Airlines

Deal found 4/28

$300

Sat 9/206:35 amIAD - BOI

1 stop9h 14mUnited Airlines

Sat 9/277:00 amBOI - IAD

1 stop6h 32mUnited Airlines

Deal found 4/29

$301

Thu 5/295:24 pmIAD - BOI

2 stops8h 58mDelta

Thu 6/57:49 pmBOI - IAD

1 stop8h 03mDelta

Deal found 4/29

$306

Sat 5/106:30 amIAD - BOI

1 stop9h 17mHawaiian Airlines

Tue 5/278:59 pmBOI - IAD

1 stop8h 37mHawaiian Airlines

Deal found 4/29

$329

Sat 8/235:05 pmIAD - BOI

1 stop6h 35mSouthwest

Wed 8/278:45 amBOI - IAD

2 stops11h 20mSouthwest

Deal found 4/28

$351

Wed 9/177:09 amIAD - BOI

1 stop7h 25mAmerican Airlines

Sun 9/211:41 pmBOI - IAD

1 stop6h 49mAmerican Airlines

Deal found 4/29

$380

Wed 6/48:00 amIAD - BOI

2 stops35h 42mMultiple Airlines

Sat 6/72:35 pmBOI - IAD

3 stops43h 08mMultiple Airlines

Deal found 4/29

$651

Best flights from Dulles Intl to Boise
Discover carefully curated flight deals from Dulles Intl to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Thu 5/299:00 amIAD - BOI

1 stop8h 55mAlaska Airlines

Wed 6/1112:54 pmBOI - IAD

1 stop15h 01mAlaska Airlines

Deal found 4/28

$300

Mon 5/266:48 amIAD - BOI

1 stop6h 55mUnited Airlines

Mon 6/27:07 pmBOI - IAD

1 stop8h 01mUnited Airlines

Deal found 4/28

$301

Thu 5/293:37 pmIAD - BOI

2 stops10h 45mDelta

Wed 6/1111:40 pmBOI - IAD

1 stop7h 32mDelta

Deal found 4/28

$306

Sat 5/106:30 amIAD - BOI

1 stop9h 17mHawaiian Airlines

Tue 5/278:59 pmBOI - IAD

1 stop8h 37mHawaiian Airlines

Deal found 4/29

$329

Thu 7/176:05 amIAD - BOI

1 stop12h 27mMultiple Airlines

Tue 7/228:46 pmBOI - IAD

1 stop8h 41mMultiple Airlines

Deal found 4/28

$344

Sat 8/235:05 pmIAD - BOI

1 stop6h 35mSouthwest

Wed 8/278:45 amBOI - IAD

2 stops11h 20mSouthwest

Deal found 4/28

$351

Sat 6/146:27 amIAD - BOI

1 stop10h 18mAmerican Airlines

Sun 6/153:35 pmBOI - IAD

1 stop17h 25mAmerican Airlines

Deal found 4/28

$386

Thu 6/1912:46 pmIAD - BOI

1 stop8h 40mSun Country Air

Sun 6/227:20 pmBOI - IAD

1 stop14h 59mSun Country Air

Deal found 4/28

$425

Last-minute flights from Dulles Intl to Boise
Discover last-minute flight deals from Dulles Intl to Boise. Data last updated April 29, 2025 and is based on user searches.

Mon 5/56:30 amIAD - BOI

1 stop9h 17mAlaska Airlines

Tue 5/132:41 pmBOI - IAD

1 stop7h 17mAlaska Airlines

Deal found 4/28

$256

Tue 5/612:45 pmIAD - BOI

1 stop7h 15mUnited Airlines

Mon 5/125:00 amBOI - IAD

1 stop6h 25mUnited Airlines

Deal found 4/28

$301

Tue 5/62:32 pmIAD - BOI

1 stop9h 07mUnited Airlines

Wed 5/141:35 pmBOI - IAD

1 stop9h 15mUnited Airlines

Deal found 4/28

$401

Thu 5/85:02 amIAD - BOI

2 stops10h 18mAmerican Airlines

Sun 5/111:38 pmBOI - IAD

1 stop7h 19mAmerican Airlines

Deal found 4/29

$745

Thu 5/81:00 pmIAD - BOI

2 stops13h 12mDelta

Sun 5/115:35 amBOI - IAD

2 stops13h 59mDelta

Deal found 4/28

$800

Sat 5/106:30 amIAD - BOI

1 stop9h 17mHawaiian Airlines

Tue 5/278:59 pmBOI - IAD

1 stop8h 37mHawaiian Airlines

Deal found 4/29

$329

Sat 5/106:17 amIAD - BOI

2 stops12h 23mAmerican Airlines

Tue 5/275:10 pmBOI - IAD

2 stops13h 28mAmerican Airlines

Deal found 4/29

$561

Mon 5/267:45 amIAD - BOI

1 stop10h 34mDelta

Sat 5/3112:50 pmBOI - IAD

1 stop9h 03mDelta

Deal found 4/28

$301

Thu 5/292:10 pmIAD - BOI

2 stops12h 40mSouthwest

Tue 6/38:40 amBOI - IAD

2 stops11h 55mSouthwest

Deal found 4/28

$469

One-way flights from Dulles Intl to Boise
Search for one-way flight options from Dulles Intl to Boise. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Tue 5/66:30 amIAD - BOI

1 stop9h 17mAlaska Airlines

Deal found 4/29

$150

Thu 5/296:00 amIAD - BOI

2 stops9h 46mDelta

Deal found 4/29

$156

Tue 5/65:35 pmIAD - BOI

1 stop7h 17mUnited Airlines

Deal found 4/29

$201

Sun 7/1310:00 amIAD - BOI

1 stop8h 44mSun Country Air

Deal found 4/29

$228

Sun 6/291:08 pmIAD - BOI

2 stops12h 28mAmerican Airlines

Deal found 4/29

$354

Sat 5/36:30 amIAD - BOI

1 stop9h 17mHawaiian Airlines

Deal found 4/29

$384

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 5/29

9:00 am-3:55 pm

1 stop8h 55m

Boise Air Term. Gowen Fld

Wed 6/11

12:54 pm-5:55 am

1 stop15h 01m

$300

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 5/29

7:05 am-12:08 pm

1 stop7h 03m

Boise Air Term. Gowen Fld

Thu 6/5

7:49 pm-5:52 am

1 stop8h 03m

$301

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 6/5

6:48 am-11:43 am

1 stop6h 55m

Boise Air Term. Gowen Fld

Sun 6/8

7:07 pm-5:08 am

1 stop8h 01m

$314

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 5/10

6:30 am-1:47 pm

1 stop9h 17m

Boise Air Term. Gowen Fld

Tue 5/27

8:59 pm-7:36 am

1 stop8h 37m

$329

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 6/28

1:55 pm-11:00 pm

1 stop11h 05m

Boise Air Term. Gowen Fld

Fri 7/4

2:00 pm-10:10 pm

1 stop6h 10m

$385

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 6/14

6:27 am-2:45 pm

1 stop10h 18m

Boise Air Term. Gowen Fld

Sun 6/15

3:35 pm-11:00 am

1 stop17h 25m

$386

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 6/4

8:00 am-5:42 pm

2 stops35h 42m

Boise Air Term. Gowen Fld

Sat 6/7

2:35 pm-11:43 am

3 stops43h 08m

$651

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 5/6

6:30 am-1:47 pm

1 stop9h 17m

$150

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 5/29

6:00 am-1:46 pm

2 stops9h 46m

$156

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 5/6

5:35 pm-10:52 pm

1 stop7h 17m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 12 results

Compare providers for flights from Dulles Intl to Boise

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Boise in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Boise flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Boise flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Boise

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Boise?

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Boise may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest time of day to fly from IAD to BOI?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Boise at noon. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the evening.

Rainfall in Boise by month

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

If weather is an important factor for your trip to Boise, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boise

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Washington, D.C. to Boise to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,961 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,295 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,929 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,405 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What airport do you fly into for flights to Boise from Washington, D.C. Dulles Intl?
Most people fly into Boise Air Term. Gowen Fld (BOI) if they book a flight to Boise from Washington, D.C. Dulles Intl. On average, Air Term. Gowen Fld has 0 inbound flights from Washington, D.C. Dulles Intl per day from 4 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Boise round-trip?
Flying on Alaska Airlines is currently your cheapest option to Boise, with prices starting at $300. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $301 and $306, respectively. Users have found that Alaska Airlines is 40% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Boise one-way?
$150 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $156 and $201, respectively.
Can I find deals for flights from Dulles Intl to Boise that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Boise.
Can I find deals for business class flights from Dulles Intl to Boise?
Yes. Cheapflights offers flight deals from Dulles Intl to Boise 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 Washington, D.C. Dulles Intl Airport to Boise?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Boise (average of $314). Flying from Washington, D.C. Dulles Intl Airport to Boise in June is currently the most expensive (average of $406). 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.

See more FAQs

Nampa

Meridian

McCall

Caldwell

Ontario

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Boise

Dulles Intl to Jackson flights

Reagan-National to Jackson flights

Baltimore to Jackson flights

Dulles Intl to Spokane flights

Baltimore to Spokane flights

Reagan-National to Spokane flights

Baltimore to Boise flights

Reagan-National to Boise flights

Dulles Intl to Idaho Falls flights

Reagan-National to Idaho Falls flights

Baltimore to Idaho Falls flights

Dulles Intl to Hailey flights

Reagan-National to Hailey flights

Baltimore to Hailey flights

Baltimore to West Yellowstone flights

Dulles Intl to West Yellowstone flights

Baltimore to Pocatello flights

Dulles Intl to Pocatello flights

Reagan-National to West Yellowstone flights

Dulles Intl to Lewiston flights

Reagan-National to Lewiston flights

Reagan-National to Pocatello flights

Baltimore to Lewiston flights

Baltimore to Twin Falls flights

Reagan-National to Twin Falls flights

Dulles Intl to Twin Falls flights

Other flights to Boise

Top 4 airlines flying from Dulles Intl to Boise

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$230	Average$485	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$274	Average$640	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$300	Average$453	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$326	Average$455	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$150+ Cheap flights from Dulles Intl (IAD) to Boise (BOI)

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Boise with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Boise Air Term. Gowen Fld are usually found in February or August, booked 27 days in advance, depart on a Wednesday or Saturday and return on a Saturday

Cheap flight deals from Dulles Intl to Boise

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Boise

Cheapest flights from Dulles Intl to BoiseExplore the most affordable flight options available from Dulles Intl to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Dulles Intl to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Dulles Intl to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Boise in April.

Best time to book a flight from Dulles Intl to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Boise

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Boise. Price data was last updated on April 25, 2025.

What is the cheapest time of day to fly from IAD to BOI?

Find hourly flight availability from Dulles Intl to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated April 29, 2025.

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Washington, D.C. to Boise to help guide your decision. Users have also rated airlines 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 Dulles Intl to Boise. 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 into for flights to Boise from Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Boise round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Boise one-way?

Can I find deals for flights from Dulles Intl to Boise that include hotel bookings?

How can I find direct flights from Dulles Intl to Boise?

Can I find deals for business class flights from Dulles Intl to Boise?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Boise?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Boise

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Dulles Intl to Boise

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Dulles Intl to Boise
Explore the most affordable flight options available from Dulles Intl to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.