Cheap Flights from Washington D.C. to Boise

Compare Washington D.C. to Boise flight deals

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

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Flight deals from Washington D.C. to Boise

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Boise Airport? If you want to travel next month, return fares start from R 3,892. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington D.C. to Boise

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

Washington D.C. to Boise: Alternative routes

Compare routes from Washington D.C. 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 foundR 1,964
Cheapest month to flyJuly

Finding cheap flights from Washington D.C. to Boise: Frequently asked questions

The best price we found for a return flight from Washington D.C. to Boise is R 3,892. 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 D.C. to Boise. But we found flights with one stop from R 3,892.
As of July 2026, there are no flights flying from Washington D.C. to Boise.
The cheapest month to fly from Washington D.C. to Boise is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Boise Airport on Thursday, 6 August 2026.
No airlines currently offer direct flights between Washington D.C. 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.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boise is around 40 days in advance, so don’t leave your flight to the last minute.

The cheapest airline that flies to Boise is Frontier Airlines .

Flying from Washington DC to Boise Air Terminal (BOI): What you need to know

  • Boise Air Terminal is located in Boise. The city follows the UTC-7 timezone and is two hours behind Washington DC.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably catch your flight from Washington DC to BOI.

  • If you're travelling during a popular month like July, get to the terminal even earlier. You'll want to arrive up to four hours before an international flight and two hours ahead of domestic departures. Expect lines to be longer during holiday periods like Thanksgiving, Christmas and New Year.

Airports in Washington DC

Ronald Reagan Washington National Airport (DCA)

  • DCA is around 6 kilometres from central Washington DC. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 10 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the journey time to be around 25 minutes.

  • Want an easy start to your holiday? Stay near Ronald Reagan Washington National Airport. Whether you're catching an early flight from Washington DC to Boise Air Terminal or just don't want to be rushed, these hotels are just the thing:

  • Of the departures from Ronald Reagan Washington National Airport, 71% land on time at their destination.

  • DCA is located at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

Baltimore Washington International Airport (BWI)

About Boise Air Terminal (BOI)

  • If you're arriving on a late flight from Washington DC to Boise Air Terminal, nothing beats the convenience of staying near the terminal. Pick up your luggage at baggage claim and then be showered and relaxing soon after at one of these options near BOI:

  • Get the best deal by reserving your vehicle around one week ahead of your Washington DC to Boise Air Terminal flight.

  • You'll find BOI at 3201 Airport Way.

Getting from Boise Air Terminal (BOI) to central Boise

  • From Boise Air Terminal, central Boise is around 6 kilometres away. It takes about 15 minutes to reach the city centre by car.

  • Travelling by public transport takes roughly 30 minutes.

How to find the cheapest flights from Washington DC to Boise Air Terminal (BOI)

  • Right now, R 1,964 is the best price we've found for a one-way ticket from Washington DC to Boise Air Terminal. The cheapest price for a return flight is R 3,892. Remember fares may change due to demand at the time of booking.

  • Don't leave things to the last moment. You're more likely to walk away with cheap flights from Washington DC to BOI if you book in advance. Airlines often offer some fantastic early bird discounts.

  • Affordable Washington DC to Boise Air Terminal tickets are easier to find when you have flexibility in your schedule. Try using the 'Whole month' search function to compare fares throughout the month and then choose the cheapest day.

  • Spend less time searching for cheap plane tickets from Washington DC to BOI by creating a Price Alert. We'll send you an email or notification through the app when fares go down.

  • Filters make it easier to find a bargain for your flight from Washington DC to Boise Air Terminal. Choose the flight times, carriers and stops that work for you. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from Washington DC to Boise Air Terminal (BOI)

  • July is the busiest month for flights from Washington DC to Boise Air Terminal (BOI). Visit Boise in December if you'd rather be there when it's quieter.

  • The warmest month in Boise is July, with temperatures ranging between 15ºC (59ºF) and 35ºC (95ºF). Book your Washington DC to BOI plane ticket then if that's your idea of comfortable weather.

  • January sees temperatures of between -11ºC (12ºF) and 5ºC (41ºF). Look for cheap tickets from Washington DC to Boise Air Terminal around that time if you want to travel in cooler conditions.

More about Boise

  • Start your Boise trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Washington DC to Boise Air Terminal, check out our selection of accommodation options including:

  • Cathedral Of The Rockies and Boise Depot are just two of the big attractions to add to your Boise must-do list. Continue your sightseeing adventures at St. John's Cathedral.

Explore more of the United States

  • Boise will leave a lasting impression, but there are so many other corners of the United States waiting to be explored. Around 177 kilometres southeast of Boise, a visit to Twin Falls will keep you on the move. Don't miss top attractions like Twin Falls, Snake River Canyon Trail and Perrine Memorial Bridge Scenic Overlook Visitor Centre.

  • Next? Head for La Grande. It's located about 241 kilometres northwest of Boise and home to highlights like Historic Birnie Park.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.