Are direct flights from Boise to Washington, D.C. always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers, but they are not always the most budget-friendly choice. Flights with one or more stops can sometimes be significantly cheaper. Consider your priorities for cost versus travel time when making your decision.

Can flexible travel dates help on Boise to Washington, D.C. flights?

Absolutely, having flexible travel dates can significantly increase your chances of finding cheaper flights. Prices often vary greatly depending on the day of the week or specific dates. Adjusting your departure or return by a few days may lead to substantial savings.

What extra costs should I check before booking Boise to Washington, D.C. flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

Flights From Boise

To Washington, D.C.

Cheap Flights from Boise to Washington, D.C.

Browse current best options from Boise. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Boise

RatePunk searches hundreds of travel sites at once for deals on flights to Washington, D.C.

Prices updated 2 days ago

444 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 9, 2026.)

Today’s best flight deals from Boise to Washington, D.C.

Explore current cheapest deals departing from Boise to Washington, D.C.

2026-09-14 – 2026-09-21
BOI - Washington, D.C.
82% AI deal score
$340
$240
Round trip
2026-09-10 – 2026-09-14
BOI - Washington, D.C.
82% AI deal score
$358
$242
Round trip
2026-08-20 – 2026-08-26
BOI - Washington, D.C.
84% AI deal score
$373
$243
Round trip
2026-10-08 – 2026-10-12
BOI - Washington, D.C.
82% AI deal score
$341
$243
Round trip
2026-09-14 – 2026-09-28
BOI - Washington, D.C.
79% AI deal score
$308
$243
Round trip
2026-08-13 – 2026-08-17
BOI - Washington, D.C.
87% AI deal score
$458
$244
Round trip
2026-09-21 – 2026-09-28
BOI - Washington, D.C.
81% AI deal score
$340
$244
Round trip
2026-09-14 – 2026-09-20
BOI - Washington, D.C.
81% AI deal score
$340
$249
Round trip
2026-09-13 – 2026-09-21
BOI - Washington, D.C.
80% AI deal score
$326
$250
Round trip
2026-08-25 – 2026-09-21
BOI - Washington, D.C.
72% AI deal score
$286
$251
Round trip

Boise to Washington, D.C.: Overview

Insights for flights from Boise to Washington, D.C.

Right now, 14% of recent fares from Boise to Washington, D.C. are considered a good price. For travelers looking for cheap flights from Boise to Washington, D.C., fares typically range from $336–$522, with a median of $438. Current fares are below the typical level, suggesting a favorable time to consider booking.

When is the cheapest time to fly from Boise to Washington, D.C.? The most affordable month to fly is January, with a median fare of $183. Other cost-effective options include December, where the median fare is $292, and October, with a median of $303.

A typical journey from Boise to Washington, D.C. takes about 16h 28m, including connections. This is a medium-haul route, covering a distance of 3289 km. Most itineraries connect at least once, with the median number of stopovers for connecting flights being 2. There are currently no direct flights from Boise to Washington, D.C. available.

How much is a round trip from Boise to Washington, D.C.

Regular price: $260 - $689

Prices for flights from Boise to Washington, D.C. are currently below the regular range.

The regular price range for this route is between $260 and $689. The current lowest deal is $196 with Southwest Airlines, for travel from Sep 2-Sep 12.

now $196

Low $260

High $689

The cheapest time to fly from Boise to Washington, D.C.

The cheapest month to fly from Boise to Washington is January, with a median price of $183. The most expensive month is March, with a median price of $579. Generally, prices are lower from January to December.

January

Cheapest

Flights from $183

March

Most Expensive

Flights from $579

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Boise to Washington, D.C.

Frontier Airlines

Alaska Airlines, Inc.

United Airlines

Deutsche Luft Hansa

Last-minute flights going from Boise to Washington, D.C.

Mon, Aug 3

⌛ Last-Minute

BOI - Washington, D.C.

Boise (BOI) - Washington, D.C. (IAD)

Deutsche Luft Hansa

$455

$351

One-way

Tue, Aug 4

⌛ Last-Minute

BOI - Washington, D.C.

Boise (BOI) - Washington, D.C. (DCA)

Frontier Airlines

$476

$343

One-way

Wed, Aug 5

⌛ Last-Minute

BOI - Washington, D.C.

Boise (BOI) - Washington, D.C. (DCA)

American Airlines

$458

$425

One-way

Thu, Aug 6

⌛ Last-Minute

BOI - Washington, D.C.

Boise (BOI) - Washington, D.C. (DCA)

Frontier Airlines

$458

$287

One-way

Sun, Aug 9

⌛ Last-Minute

BOI - Washington, D.C.

Boise (BOI) - Washington, D.C. (DCA)

Frontier Airlines

$424

$298

One-way

Tue, Aug 11

⌛ Last-Minute

BOI - Washington, D.C.

Boise (BOI) - Washington, D.C. (IAD)

United Airlines

$342

$347

One-way

Biggest price drops on these dates for flights from Boise to Washington, D.C.

3 nights

Aug 6 - Aug 9

$458 → $287

37%

3 nights

Sep 17 - Sep 20

$381 → $241

37%

4 nights

Sep 3 - Sep 7

$379 → $241

36%

3 nights

Sep 10 - Sep 13

$379 → $241

36%

Popular Airports to fly from Boise to Washington, D.C.

Boise - Washington, D.C. route insights

💸 Price insights

Recent fares are below the typical level

Recent fares for Boise to Washington, D.C. are below the typical level at $196.

📅 Best time to fly

January is historically cheapest at $183

Historically, January is the cheapest month to fly from Boise to Washington, D.C. at $183.

⏱️ Flight duration

Flights are typically 16h 28m

Flights from Boise to Washington, D.C. typically take 16h 28m, with 2 stopovers.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route; direct flights are not typically available.

🏆 Airline highlight

Southwest Airlines offers a recent deal at $196

Southwest Airlines recently offered a deal for $196 from Boise to Washington, D.C.

🎯 Booking tip

Frequent deals are available

Deals for flights from Boise to Washington, D.C. are frequently available.

Boise main airports to depart from

Boise (BOI)

Cheapest

Boise Airport (BOI) is the cheapest option for flights from Boise to Washington, D.C.

📍 ~6 km from Boise city center (reachable by car)

💸 Flights from ~$197

Washington, D.C. main airports to arrive at

Washington Dulles International (IAD)

Cheapest

Washington Dulles International is a good option for flights from Boise to Washington, D.C.

📍 ~40 km from Washington, D.C. (reachable by car)

💸 Flights from ~$197

Airports nearby Washington, D.C. used as alternative

Philadelphia International (PHL)

Cheapest

Philadelphia International is a major international hub with extensive connectivity, often a viable alternative for trans-Atlantic routes.

📍 ~205 km from Washington, D.C. (reachable by high-speed Amtrak rail)

💸 Flights from ~$209

Business & First Class Flight Deals to Washington, D.C.

89% AI deal score

$2,465

$1,272

Save $1,193

Frequently Asked Questions About Flights to Washington, D.C.

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also help uncover better deals. Look for flights during off-peak seasons or mid-week travel for potential savings.

Booking in advance, often several weeks or months before your intended travel date, can sometimes result in lower fares. However, prices can fluctuate, so monitoring flight prices over time may help you identify a good booking window. Weekday bookings might also offer better rates.

Yes, comparing flights to and from nearby airports can often provide more options and potentially lower prices. Sometimes, flying into or out of a smaller airport a short distance away may be more economical. Be sure to factor in ground transportation costs and time when considering this option.

Related routes

More routes from Boise

Flights from Boise to Abbotsford Flights from Boise to Amsterdam Flights from Boise to Athens Flights from Boise to Bangkok Flights from Boise to Barcelona Flights from Boise to Brussels Flights from Boise to Burbank Flights from Boise to Copenhagen Flights from Boise to Dallas Flights from Boise to Istanbul Flights from Boise to Spokane Flights from Boise to Zürich

Flights to Washington, D.C. from other cities

Flights from Boston to Washington, D.C.Flights from Brussels to Washington, D.C.Flights from Cairo to Washington, D.C.Flights from Cape Town to Washington, D.C.Flights from Casablanca to Washington, D.C.Flights from Charleston to Washington, D.C.Flights from Charlotte to Washington, D.C.Flights from Chicago to Washington, D.C.Flights from Cleveland to Washington, D.C.Flights from Dar es Salaam to Washington, D.C.Flights from Mumbai to Washington, D.C.Flights from New Delhi to Washington, D.C.

Boise to Washington, D.C.: Overview

Insights for flights from Boise to Washington, D.C.

How much is a round trip from Boise to Washington, D.C.

Regular price: $260 - $689

Prices for flights from Boise to Washington, D.C. are currently below the regular range.

The regular price range for this route is between $260 and $689. The current lowest deal is $196 with Southwest Airlines, for travel from Sep 2-Sep 12.

now $196

Low $260

High $689

The cheapest time to fly from Boise to Washington, D.C.

January

Cheapest

Flights from $183

March

Most Expensive

Flights from $579

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Boise to Washington, D.C.

Frontier Airlines

Alaska Airlines, Inc.

United Airlines

Deutsche Luft Hansa

Last-minute flights going from Boise to Washington, D.C.

Mon, Aug 3

⌛ Last-Minute

BOI - Washington, D.C.

Boise (BOI) - Washington, D.C. (IAD)

Deutsche Luft Hansa

$455

$351

One-way

Tue, Aug 4

⌛ Last-Minute

BOI - Washington, D.C.

Boise (BOI) - Washington, D.C. (DCA)

Frontier Airlines

$476

$343

One-way

Wed, Aug 5

⌛ Last-Minute

BOI - Washington, D.C.

Boise (BOI) - Washington, D.C. (DCA)

American Airlines

$458

$425

One-way

Thu, Aug 6

⌛ Last-Minute

BOI - Washington, D.C.

Boise (BOI) - Washington, D.C. (DCA)

Frontier Airlines

$458

$287

One-way

Sun, Aug 9

⌛ Last-Minute

BOI - Washington, D.C.

Boise (BOI) - Washington, D.C. (DCA)

Frontier Airlines

$424

$298

One-way

Tue, Aug 11

⌛ Last-Minute

BOI - Washington, D.C.

Boise (BOI) - Washington, D.C. (IAD)

United Airlines

$342

$347

One-way

Biggest price drops on these dates for flights from Boise to Washington, D.C.

3 nights

Aug 6 - Aug 9

$458 → $287

37%

3 nights

Sep 17 - Sep 20

$381 → $241

37%

4 nights

Sep 3 - Sep 7

$379 → $241

36%

3 nights

Sep 10 - Sep 13

$379 → $241

36%

Popular Airports to fly from Boise to Washington, D.C.