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Cheap flight tickets from Boise to Washington Dulles

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Flight deals from Boise Airport to Washington Dulles Airport

Looking for a cheap last-minute deal or the best return flight from Boise Airport to Washington Dulles Airport? If you want to travel next month, return fares start from RM1,080. Find the lowest prices on one-way and return tickets right here.
Washington D.C..RM1,080 per passenger.Departing Wed, 15 Apr, returning Sat, 25 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Boise on Wed, 15 Apr, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Sat, 25 Apr, arriving in Boise.Price includes taxes and charges.From RM1,080, select.
Washington D.C..RM1,304 per passenger.Departing Wed, 3 Jun, returning Tue, 9 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Boise on Wed, 3 Jun, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Tue, 9 Jun, arriving in Boise.Price includes taxes and charges.From RM1,304, select.
Washington D.C..RM1,464 per passenger.Departing Sat, 12 Sep, returning Sun, 20 Sep.Return flight with United.Outbound indirect flight with United, departs from Boise on Sat, 12 Sep, arriving in Washington Dulles.Inbound indirect flight with United, departs from Washington Dulles on Sun, 20 Sep, arriving in Boise.Price includes taxes and charges.From RM1,464, select.
Washington D.C..RM1,477 per passenger.Departing Wed, 13 May, returning Mon, 18 May.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boise on Wed, 13 May, arriving in Washington Dulles.Inbound indirect flight with Southwest Airlines, departs from Washington Dulles on Mon, 18 May, arriving in Boise.Price includes taxes and charges.From RM1,477, select.
Washington D.C..RM1,713 per passenger.Departing Fri, 29 May, returning Mon, 1 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Boise on Fri, 29 May, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Mon, 1 Jun, arriving in Boise.Price includes taxes and charges.From RM1,713, select.
Washington D.C..RM1,944 per passenger.Departing Thu, 23 Jul, returning Fri, 31 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boise on Thu, 23 Jul, arriving in Washington Dulles.Inbound indirect flight with Southwest Airlines, departs from Washington Dulles on Fri, 31 Jul, arriving in Boise.Price includes taxes and charges.From RM1,944, select.
Washington D.C..RM2,542 per passenger.Departing Thu, 19 Mar, returning Mon, 23 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Boise on Thu, 19 Mar, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Mon, 23 Mar, arriving in Boise.Price includes taxes and charges.From RM2,542, select.

Find the cheapest month to fly from Boise to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to Washington Dulles flights are currently cheapest in April.
Mar
from RM2,542
Apr
from RM1,080
May
from RM1,477
Jun
from RM1,304
Jul
from RM1,944
Aug
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Sep
from RM1,464
Oct
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Nov
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Dec
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Jan
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Feb
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Boise to Washington Dulles: Alternative routes

Compare routes from Boise to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Washington Ronald Reagan

5km from central Washington D.C.
ClosestCheapest
from RM789
Search flights

Camp Springs Andrews AFB

17km from central Washington D.C.
Search flights

Washington Dulles

37km from central Washington D.C.
from RM1,080
Search flights

Baltimore Washington International

44km from central Washington D.C.
from RM1,137
Search flights

Manassas

47km from central Washington D.C.
Search flights

Boise to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundRM1,080
Cheapest month to flyApril

Finding cheap flights from Boise to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Boise to Washington Dulles is RM1,080. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boise to Washington Dulles. But we found flights with one or more stops from RM1,080.
As of March 2026, there are no flights flying from Boise to Washington Dulles.
The cheapest month to fly from Boise to Washington Dulles is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Washington Dulles Airport on Wednesday, 15 April 2026.
No airlines currently offer direct flights between Boise Airport and Washington Dulles Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Washington Dulles.

Travelling from Boise Air Terminal (Gowen Field) Airport (BOI) to Washington Dulles International Airport (IAD): what you need to know

  • Washington DC is two hours ahead of Boise and follows the UTC-4 timezone.

  • Your BOI to IAD flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • You can expect longer queues during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Boise Air Terminal (Gowen Field) Airport to Washington Dulles International Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to explore your chosen city. Worthwhile stopovers between BOI and IAD include:

    • Minneapolis-St. Paul International Airport

    • Denver International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Boise Air Terminal (Gowen Field) Airport (BOI) to Washington Dulles International Airport (IAD)

  • The lowest price we've found for a one-way Boise Air Terminal (Gowen Field) Airport to Washington Dulles International Airport flight is RM627. A round-trip plane ticket is currently RM1,080. Depending on the availability when you book, these fares could change.

  • To score cheap tickets from BOI to IAD, book in advance. Airlines tend to offer lower prices when flights are first released.

  • If you're willing to be flexible with your trip dates, try using the 'Whole month' tool. It'll give you the lowest price across the month when looking for your flight from Boise Air Terminal (Gowen Field) Airport to Washington Dulles International Airport.

  • You won't have to check back in every day to see if fares have dropped when you set up a Price Alert. We'll send you an update the moment there's a better deal on cheap flights from BOI to IAD.

  • Pick your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Boise Air Terminal (Gowen Field) Airport to Washington Dulles International Airport.

Handy information about Boise Air Terminal (Gowen Field) Airport (BOI)

  • BOI is located at 3201 Airport Way.

  • 83.53% of flights leaving Boise Air Terminal (Gowen Field) Airport touch down at their destination on schedule. Given its dependable on-time performance, disruptions are unlikely when flying out of BOI.

  • Central Boise to Boise Air Terminal (Gowen Field) Airport is around 18 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Expect a journey time of roughly 1 hour 35 minutes on public transport.

  • Need a convenient hotel close to BOI? If you're catching an early flight from Boise Air Terminal (Gowen Field) Airport to Washington Dulles International Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • IAD is located at 1 Saarinen Circle.

  • From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 50 minutes to reach the centre by car.

  • Getting there on public transport typically takes 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • April is the busiest month for flights from Boise Air Terminal (Gowen Field) Airport to Washington Dulles International Airport. To escape the crowds, head to Washington DC in January.

  • When reserving your flight from Boise Air Terminal (Gowen Field) Airport to Washington Dulles International Airport, consider the kind of weather you enjoy. July is the warmest month in Washington DC, with the temperature ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • January has average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for cheap tickets from BOI to IAD sometime around then if you like travelling in cooler conditions.

Explore more of United States

  • Washington DC is always a good idea, but there are so many other corners of United States waiting to be explored. Around 322 kilometres north-east of Washington DC, a trip to New York will keep your itinerary packed. Start with attractions like Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another well-known destination in United States and is around 193 kilometres north-east of Washington DC. No trip is complete without experiencing Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Plan the rest of your trip from Boise to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.