Find Cheap Flights from Washington, D.C. to Boise (WAS - BOI)

Flights overview

Useful information for finding cheap flights from Washington, D.C. to Boise and booking your next trip

Cheapest round-trip flights	$215	Frontier 1 stop 8 hr Sun, Jun 7 — Tue, Jun 16	The cheapest round-trip flight from Washington, D.C. to Boise is currently $215
Cheapest one-way flight	$105	Frontier 1 stop 8 hr Tue, Jun 2	The cheapest one-way flight from Washington, D.C. to Boise is currently $105
Last-minute weekend getaway	$406	Frontier 1 stop 8 hr Thu, May 7 — Sun, May 10	The cheapest last-minute weekend getaway from Washington, D.C. to Boise is currently $406
Cheapest business class flights	$538	Frontier 1 stop 25 hr Sat, Jul 4 — Sun, Jul 12	The cheapest business class round-trip flight from Washington, D.C. to Boise is currently $538

Fastest flight	6 hr 20 min	The fastest flight with stops from Washington, D.C. to Boise takes 6 hr 20 min
Nonstop flights	None	There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Washington, D.C. to Boise is typically January. The most expensive month to fly is typically March.

January Cheapest	Typical prices: $225–445
March Most expensive	Typical prices: $325–650

Popular airlines from Washington, D.C. to Boise

United

from $263

Typical price: $320–700

1297 weekly connecting flights

BWI, DCA, IAD - BOI Every day
Southwest

from $263

Typical price: $335–690

1238 weekly connecting flights

BWI, DCA, IAD - BOI Every day
Delta

from $263

Typical price: $300–750

1095 weekly connecting flights

BWI, DCA, IAD - BOI Every day
American

from $331

Typical price: $350–740

309 weekly connecting flights

BWI, DCA, IAD - BOI Every day
Alaska

from $341

Typical price: $325–780

219 weekly connecting flights

BWI, DCA, IAD - BOI Every day
Frontier

from $230

Typical price: $215–550

33 weekly connecting flights

BWI, DCA, IAD - BOI Every Tue, Wed, Thu, Fri, Sat, Sun

Popular airports near Washington, D.C.

Ronald Reagan Washington National Airport (DCA)

Washington United States 19 min 4 mi
Dulles International Airport (IAD)

Washington United States 54 min 22 mi
Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)

Baltimore United States 47 min 27 mi
Philadelphia International Airport (PHL)

Philadelphia United States 2 hr 18 min 116 mi

Popular airports near Boise

Boise Airport (BOI)

Boise United States 19 min 3 mi
Friedman Memorial Airport (SUN) (SUN)

Sun Valley United States 2 hr 16 min 96 mi
Magic Valley Regional Airport (TWF)

Twin Falls United States 2 hr 9 min 116 mi
Pocatello Regional Airport (PIH)

Pocatello United States 3 hr 16 min 188 mi

Frequently asked questions about flying from Washington, D.C. to Boise

The cheapest flights from Washington, D.C. to Boise are usually in January. Typical ticket prices in January range from $225 to $445.

The cheapest round-trip flight from Washington, D.C. to Boise recently found on Google Flights was with Frontier from $215. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Washington, D.C. to Boise is $263, flying from Jul 4 to Jul 13.
The cheapest Southwest flight from Washington, D.C. to Boise is $263, flying from Jul 3 to Jul 9.
The cheapest Delta flight from Washington, D.C. to Boise is $263, flying from Jul 20 to Jul 27.
The cheapest American flight from Washington, D.C. to Boise is $331, flying from Jun 6 to Jun 12.
The cheapest Alaska flight from Washington, D.C. to Boise is $341, flying from May 29 to Jun 4.
The cheapest Frontier flight from Washington, D.C. to Boise is $230, flying from Aug 2 to Aug 11.

The cheapest round-trip flight from Washington, D.C. to Boise starts at $215 from Sun, Jun 7 to Tue, Jun 16. The cheapest one-way flight starts at $105 and departs on Tue, Jun 2.

6 hr 20 min is the shortest flight time from Washington, D.C. to Boise.

The most popular time to visit Boise is summer (Jun–Aug), when days are typically hot and dry. Temperatures can drop below freezing in winter (Nov–Feb). Big-name acts and local bands perform at the Boise Music Festival (Jun).

It's easy to use Google Flights to find the cheapest days to fly from Washington, D.C. to Boise.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Washington, D.C. to Boise really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Washington, D.C. to Boise.

In terms of flights, United is the most popular. United offers 1,297 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Boise Airport (BOI) .

Other popular airlines flying from Washington, D.C. to Boise are:

Southwest offers 1,238 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Boise Airport (BOI) .
Delta offers 1,095 connecting flights per week. Delta flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Boise Airport (BOI) .
American offers 309 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Boise Airport (BOI) .
Alaska offers 219 connecting flights per week. Alaska flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Boise Airport (BOI) .
Frontier offers 33 connecting flights per week. Frontier flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Boise Airport (BOI) .

The number of connecting flights refers to distinct flights with at least one stop between Washington, D.C. and Boise.

The cheapest round-trip flight from Washington, D.C. to Boise recently found on Google Flights was with Frontier from $215. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Washington, D.C. to Boise is $263, flying from Jul 4 to Jul 13.
The cheapest Southwest flight from Washington, D.C. to Boise is $263, flying from Jul 3 to Jul 9.
The cheapest Delta flight from Washington, D.C. to Boise is $263, flying from Jul 20 to Jul 27.
The cheapest American flight from Washington, D.C. to Boise is $331, flying from Jun 6 to Jun 12.
The cheapest Alaska flight from Washington, D.C. to Boise is $341, flying from May 29 to Jun 4.
The cheapest Frontier flight from Washington, D.C. to Boise is $230, flying from Aug 2 to Aug 11.

No airline flies direct from Washington, D.C. to Boise.

There are 1297 United connecting flights from Washington, D.C. to Boise per week. Flights are available every day.
There are 1238 Southwest connecting flights from Washington, D.C. to Boise per week. Flights are available every day.
There are 1095 Delta connecting flights from Washington, D.C. to Boise per week. Flights are available every day.
There are 309 American connecting flights from Washington, D.C. to Boise per week. Flights are available every day.
There are 219 Alaska connecting flights from Washington, D.C. to Boise per week. Flights are available every day.
There are 33 Frontier connecting flights from Washington, D.C. to Boise per week. Flights are available on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Washington, D.C. and Boise at price $406 is offered by Frontier from Thu, May 7 to Sun, May 10.

No airline flies direct from Washington, D.C. to Boise.

There are 1297 United connecting flights from Washington, D.C. to Boise per week. Flights are available every day.
There are 1238 Southwest connecting flights from Washington, D.C. to Boise per week. Flights are available every day.
There are 1095 Delta connecting flights from Washington, D.C. to Boise per week. Flights are available every day.
There are 309 American connecting flights from Washington, D.C. to Boise per week. Flights are available every day.
There are 219 Alaska connecting flights from Washington, D.C. to Boise per week. Flights are available every day.
There are 33 Frontier connecting flights from Washington, D.C. to Boise per week. Flights are available on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are no direct flights from Washington, D.C. to Boise.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Washington, D.C. to Boise, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Washington, D.C. and Boise start at $538 from Sat, Jul 4 to Sun, Jul 12 with Frontier.

The cheapest economy class round-trip flights between Washington, D.C. and Boise start at $215 from Sun, Jun 7 to Tue, Jun 16.

To book business class trips from Washington, D.C. to Boise, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Washington, D.C. and Boise starts at $406 from Thu, May 7 to Sun, May 10 with Frontier.

The cheapest last-minute deal between Washington, D.C. and Boise at price $406 is offered by Frontier from Thu, May 7 to Sun, May 10.

To find last-minute flight deals from Washington, D.C. to Boise, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.