Cheap flights from Boise to Washington, D.C. from $142
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Washington, D.C. departing on 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Boise to Washington, D.C. Dulles Intl Airport
Our best United Airlines deals on Boise to Washington, D.C. Dulles Intl Airport flight tickets
Southwest flights from Boise to Washington, D.C. Dulles Intl Airport
Our best Southwest deals on Boise to Washington, D.C. Dulles Intl Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Boise to Washington, D.C. Dulles Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
In general, February is the cheapest month to fly from Boise to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $316. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $365.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Saturday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $482. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Boise to Washington, D.C. Dulles Intl Airport for around $648.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Flying to Washington, D.C. Dulles Intl Airport from Boise in the evening is the least expensive time of day to depart. momondo users have found prices as low as $466 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $537 on average. Flights to Washington, D.C. Dulles Intl Airport from Boise in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How have Boise to Washington, D.C. Dulles Intl Airport flight prices changed over time?
As of June 2025, prices for Boise to Washington, D.C. Dulles Intl Airport flights are approximately 41% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Boise Air Term. Gowen Fld to Washington, D.C. Dulles Intl?
Alaska Airlines, Delta, and Southwest are the most popular carriers operating from Boise Air Term. Gowen Fld to Washington, D.C. Dulles Intl
What airlines fly to Washington, D.C. Dulles Intl Airport?
United Airlines, Delta and Southwest are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Boise according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 4 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.
When to book flights from Boise to Washington, D.C. Dulles Intl Airport
Cheap Boise to Washington, D.C. Dulles Intl Airport (BOI to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boise to Washington, D.C. Dulles Intl Airport
How far is Boise Air Term. Gowen Fld to Washington, D.C. Dulles Intl by plane?
A flight from Boise Air Term. Gowen Fld to Washington, D.C. Dulles Intl will travel around 2017.8 mi. In terms of flight time, this usually takes a little over 6h 10m.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport?
The number of operators available for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport is 4 as of June 2025.
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boise Air Term. Gowen Fld Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Boise to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Boise to Washington, D.C. Dulles Intl Airport is United Airlines, representing 38% of all bookings. The subsequent popular airlines are Delta at 27%, Southwest at 18%, and Alaska Airlines at 17%.
Best airlines flying from Boise to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from Boise to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $141 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $300 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $300 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $346 | Free Cancellation | Rating 8.0 4,278 reviews |
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Boise to Washington, D.C.?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Boise.
Can I find flights from Boise to Washington, D.C. with flexible booking policies on momondo?
momondo does allow users to show only those flights to Washington, D.C. from Boise which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Boise to Washington, D.C.?
momondo helps you find the best flight between Boise and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Boise to Washington, D.C. right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Boise to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.