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

Direct flights offer convenience by reducing travel time and avoiding layovers. However, they are not always the most budget-friendly choice. Flights with one or more stops can often be less expensive, especially if you have flexibility.

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

Yes, being flexible with your travel dates can significantly impact flight prices. Flying during off-peak seasons or on less popular days of the week often results in lower fares. Weekday travel, for instance, can sometimes be cheaper than weekend travel.

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

Always review 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. Understanding these fees beforehand can help you budget accurately for your trip.

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

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

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

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

2026-08-13 – 2026-08-18
BOI - Washington, D.C.
85% AI deal score
$383
$238
Round trip
2026-08-11 – 2026-08-25
BOI - Washington, D.C.
82% AI deal score
$334
$240
Round trip
2026-08-06 – 2026-08-17
BOI - Washington, D.C.
82% AI deal score
$339
$240
Round trip
2026-08-13 – 2026-08-17
BOI - Washington, D.C.
85% AI deal score
$394
$240
Round trip
2026-08-18 – 2026-08-24
BOI - Washington, D.C.
84% AI deal score
$367
$240
Round trip
2026-08-18 – 2026-08-25
BOI - Washington, D.C.
84% AI deal score
$366
$240
Round trip
2026-09-15 – 2026-09-22
BOI - Washington, D.C.
84% AI deal score
$366
$240
Round trip
2026-09-01 – 2026-09-09
BOI - Washington, D.C.
83% AI deal score
$348
$240
Round trip
2026-09-03 – 2026-09-10
BOI - Washington, D.C.
83% AI deal score
$360
$240
Round trip
2026-09-01 – 2026-09-08
BOI - Washington, D.C.
83% AI deal score
$360
$243
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 classified as a good price. Fares for this route typically range from $336–$522, with a median of $438. Current fares are significantly below the typical level, making it a favorable time to look for cheap flights from Boise to Washington, D.C. New deals appear almost daily for this route, so frequent checks can be beneficial.

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 months include December, where the median fare is $292, and October, with a median fare of $303. These months offer significantly lower prices compared to the overall median.

A typical journey from Boise to Washington, D.C. takes approximately 16h 28m, including connections. Most itineraries for this route connect at least once, as 0% of recent fares were non-stop. When connections are involved, the median number of stopovers is 2.

The distance between Boise and Washington, D.C. is 3289 km, classifying this as a medium-haul route. This distance typically involves a longer travel time due to the need for connections.

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

Regular price: $260 - $689

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

The regular price range for flights from Boise to Washington, D.C. 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.

Flights from Boise to Washington are cheapest in January, with a median price of $183. The most expensive month to fly is March, with a median price of $579. Prices are generally 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.

Alaska Airlines, Inc.

Frontier Airlines

United Airlines

Southwest Airlines

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 from Boise to Washington, D.C. are below the typical level at $196.

📅 Best time to fly

January is historically the cheapest month to fly

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

⏱️ Flight duration

Flights typically last 16h 28m

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

✈️ Airlines & availability

Connecting flights are common

Connecting flights are common on this route, with frequent deals available.

🏆 Airline highlight

Southwest Airlines offers a recent deal for $196

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

🎯 Booking tip

14% of recent fares are considered good deals

Historically, 14% of recent fares from Boise to Washington, D.C. are considered good deals.

Boise main airports to depart from

Boise (BOI)

Cheapest

Boise Airport (BOI) is a convenient departure point for flights 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.

📍 ~200 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. Using flight comparison sites can help you see various options across different airlines. Looking into flights with layovers may also present lower prices.

Booking in advance often provides more competitive prices, especially for popular routes. However, last-minute deals can sometimes appear, so it's wise to monitor prices. Mid-week bookings may also offer better rates than weekend bookings.

Comparing nearby airports can sometimes reveal more economical flight options. While it might involve additional ground transportation, the savings on airfare can be significant. Always factor in the total cost and travel time when considering this approach.

Related routes

More routes from Boise

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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.

The distance between Boise and Washington, D.C. is 3289 km, classifying this as a medium-haul route. This distance typically involves a longer travel time due to the need for connections.

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

Regular price: $260 - $689

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

The regular price range for flights from Boise to Washington, D.C. 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.

Alaska Airlines, Inc.

Frontier Airlines

United Airlines

Southwest Airlines

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.