CA $210 Cheap Flights from Boise (BOI) to Washington (IAD)

Popular airlines from Boise Airport (BOI) to Washington Dulles International Airport (IAD)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

Cheap flights from Boise (BOI) to Washington (IAD)

Prices were available within the past 7 days and start at CA $210 for one-way flights and CA $418 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
Delta
Delta
Delta
Delta
Delta
Delta
Alaska Airlines
Alaska Airlines
Delta
American Airlines
Alaska Airlines

Find the cheapest month to fly from Boise (BOI) to Washington (IAD)

April is typically the cheapest month to fly

From CA $317 - CA $906 per traveller.

Graph displaying average flight prices per month

Flight from Boise to Washington (BOI - IAD) route information
Origin airport
Boise
Destination airport
Washington Dulles Intl.
Roundtrip price
CA $417
Distance
3232 km

Boise to Chantilly Flights

The easy way to book your flights from Boise to Washington 

With Expedia, it’s simple to find and book flights to Washington from Boise whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Washington Dulles Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Boise to Washington today, tomorrow, or this week.  

 

Save dollars with cheap flights from Boise, BOI to Washington Dulles Intl., IAD 

Sort your search results by price to find great deals on your flight from Boise to Washington—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Washington from Boise currently is just CA $418 rising to CA $648.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Washington  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Washington from Boise 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Washington with Expedia today.

Frequently asked questions

How much is a flight from Boise Airport to IAD?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from BOI to Dulles Intl. Airport start from CA $418. Make your booking today to score the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOI to Dulles Intl. Airport?
The majority of flights can be cancelled online, but every air carrier has its own terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from BOI to IAD that have flexible change policies?
Select our "No change fees" filter to find flexible ticketing options for your flight from Boise Airport to Dulles Intl. Airport. This allows you to snag a good price in advance and still have the freedom to reschedule without any extra fees. If the new flight costs more, you'll just cover the difference.
How many hours is the flight from Boise Airport to Washington Dulles Intl. Airport (IAD)?
You may like to bring your own on-board entertainment, as it takes about 6 hours and 10 minutes to touch down in Washington Dulles Intl. Airport (IAD) from Boise Airport (BOI). A good set of noise-cancelling headphones will be handy too.
How far is the flight from Boise Airport to Washington Dulles Intl. Airport (IAD)?
Around 3,300 kilometres separates Boise and Chantilly, so pack some in-flight entertainment to keep you occupied for a few hours. That novel you haven't had time to start will be just the ticket.
Which airlines fly direct from Boise Airport to Dulles Intl. Airport?
Flying directly between Boise Airport and IAD isn't possible right now. However, you'll still be able to book a flight to Chantilly with at least one stop.
Are BOI to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Boise Airport to Dulles Intl. Airport are available up to 12 months prior to departure on Expedia. And although you may occasionally nab fantastic last-minute deals, it's not something you should bank on. Also, booking your flights in advance means you'll have more choices — and you can avoid ending up with the dreaded middle seat! We regularly update our fares to bring you the best bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

Washington nearby Airports

Washington

Baltimore

*Available to Expedia members.