252 € Cheap Flights from Washington Dulles to Boise

Compare Washington Dulles to Boise flight deals

Find the cheapest month or even day of the year to fly to Boise

Book the best Boise fare with no extra fees

Flight deals from Washington Dulles Airport to Boise Airport

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Boise Airport? If you want to travel next month, return fares start from 252 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to Boise

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Boise flights are currently cheapest in April.

Washington Dulles to Boise: Alternative routes

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

Washington D.C. to Boise: Flight information

The things to know before you go.
Cheapest flight found252 €
Cheapest month to flyApril

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

The best price we found for a return flight from Washington Dulles to Boise is 252 €. 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 Washington Dulles to Boise. But we found flights with one or more stops from 252 €.
As of March 2026, there are no flights flying from Washington Dulles to Boise.
The cheapest month to fly from Washington Dulles to Boise is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Boise Airport on Wednesday, 15 April 2026.
No airlines currently offer direct flights between Washington Dulles Airport and Boise 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 Boise 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.
Currently, Delta offers the cheapest flight tickets to Boise.

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

  • To ensure you catch your IAD to BOI flight, leave enough time to check in and find your gate. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

  • During popular months such as April, you'll want to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead of international flights when you fly during a high season in general.

  • Consider adding a stopover when booking your ticket from Washington Dulles International Airport to Boise Air Terminal (Gowen Field) Airport. Just deselect 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Check out these options between IAD and BOI:

    • Denver International Airport

    • O'Hare International Airport

    • Salt Lake City International Airport

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

  • The cheapest price we've found for a one-way Washington Dulles International Airport to Boise Air Terminal (Gowen Field) Airport flight is 101 €. A round-trip ticket right now is 252 €. Depending on the availability and when you book, these fares may change.

  • It's a good idea to book early if you want to find cheap tickets from IAD to BOI. That's because airlines change prices based on demand, which tends to rise closer to the date of departure.

  • If you're flexible with your trip dates, use the 'Whole month' search tool. It'll show you the lowest price in each month when searching for your flight from Washington Dulles International Airport to Boise Air Terminal (Gowen Field) Airport.

  • Stay on top of deals for cheap flights from IAD to BOI by setting up a Price Alert. We'll send you an email or push notification on the app when fares go down.

  • Lock in the ideal flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Washington Dulles International Airport to Boise Air Terminal (Gowen Field) Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about Washington Dulles International Airport (IAD)

  • You'll find IAD at 1 Saarinen Circle.

  • 74.39% of flights taking off from Washington Dulles International Airport arrive at their destination on time.

  • To reach Washington Dulles International Airport from central Washington DC, it takes around 50 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 56 kilometres from the airport to the city centre.

  • You can expect a trip time of about 3 hours 25 minutes on public transport.

  • Looking for a convenient hotel near IAD? If you've booked an early flight from Washington Dulles International Airport to Boise Air Terminal (Gowen Field) Airport, these stays will put you moments from your check-in counter:

Arriving at Boise Air Terminal (Gowen Field) Airport (BOI)

  • If you have a late Washington Dulles International Airport to Boise Air Terminal (Gowen Field) Airport flight, nothing tops the convenience of being close to the terminal. Pick up your bags from the carousel and then be showered and relaxing soon after at one of these hotels near BOI:

  • Get on the fast track to adventure by picking up a Boise Air Terminal (Gowen Field) Airport rental car. Grab a set of wheels from Budget, Alamo or Avis to explore Boise and beyond.

  • Secure the lowest price by reserving your vehicle from Boise Air Terminal (Gowen Field) Airport about one week before your travel date.

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

  • BOI is located at 3201 Airport Way.

  • Boise Air Terminal (Gowen Field) Airport is approximately 18 kilometres from central Boise. Driving there takes about 20 minutes.

  • Travelling by public transport will take you roughly 1 hour 35 minutes.

When to fly to Boise Air Terminal (Gowen Field) Airport (BOI)

  • July is the most popular month for flights from Washington Dulles International Airport to Boise Air Terminal (Gowen Field) Airport. To avoid the crowds, head to Boise in May.

  • Lock in your flight from Washington Dulles International Airport to Boise Air Terminal (Gowen Field) Airport for July if you want to explore Boise during its warmest month. You can expect temperatures of between 15ºC (59ºF) and 35ºC (95ºF).

  • Look for cheap tickets from IAD to BOI in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -11ºC (12ºF) and 5ºC (41ºF) on average.

Explore more of United States

  • Boise is easy to fall in love with, but there are so many other corners of United States waiting to be explored. Around 467 kilometres north of Boise, a trip to Spokane will keep your itinerary packed. Start with attractions like Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

  • Around 483 kilometres south-east of Boise, Salt Lake City is another favourite stop in United States. Experience this destination's highlights firsthand at Temple Square, Utah State Capitol and Red Butte Garden.

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