BOI - DCA

$112 Find Cheap Flights from Boise to Reagan Washington National Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boise to Reagan-National departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$303
Typical prices: $424-$651
American Airlines
Thu 10/1Mon 10/5
BOI - DCA • 1 stop
Cheapest one-way
$112
Typical prices: $139-$239
Frontier
Thu 9/3
BOI - DCA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Boise and Reagan-National. You'll need at least 1 connection.
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Top layover airports
Portland (PDX)
Cheapest • Avg $300 (round-trip)
Salt Lake City (SLC)
Shortest trip • 6h 00m (one-way)
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When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 50% compared to booking last minute.
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When to travel
February
Cheapest • 28% price drop
September
Most popular
Good to know
Good to know
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We hope you love your trip to Reagan-National!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boise to Reagan-National (BOI-DCA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boise to Reagan-National that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boise to Reagan-National

Thu, Oct 1 - Mon, Oct 5
American Airlines Logo
3:21 pm - 11:59 pm-
6h 38m
American Airlines Logo
8:41 am - 2:33 pm-
7h 52m
$303American Airlines
Tue, Sep 29 - Wed, Oct 7
American Airlines Logo
3:21 pm - 11:59 pm-
6h 38m
American Airlines Logo
5:00 am - 11:24 am-
8h 24m
$303American Airlines
Wed, Sep 2 - Sat, Sep 5
Delta Logo
1:59 pm - 10:44 pm-
6h 45m
Delta Logo
7:45 am - 1:42 pm-
7h 57m
$303Delta
Sat, Sep 12 - Mon, Sep 14
Delta Logo
2:50 pm - 11:59 pm-
7h 09m
Delta Logo
4:45 pm - 10:34 pm-
7h 49m
$303Delta
Tue, Sep 15 - Fri, Sep 18
United Airlines Logo
12:28 pm - 9:09 pm-
6h 41m
United Airlines Logo
6:30 am - 11:26 am-
6h 56m
$327United Airlines
Thu, Oct 29 - Sun, Nov 1
United Airlines Logo
12:37 pm - 9:11 pm-
6h 34m
United Airlines Logo
6:25 am - 11:30 am-
7h 05m
$344United Airlines
Fri, Aug 21 - Mon, Aug 24
Southwest Logo
12:10 pm - 11:55 pm-
9h 45m
Southwest Logo
4:35 pm - 11:35 pm-
9h 00m
$344Southwest
Tue, Sep 1 - Sat, Sep 5
Alaska Airlines Logo
6:00 am - 4:00 pm-
8h 00m
Alaska Airlines Logo
10:59 am - 8:20 pm-
11h 21m
$351Alaska Airlines
Tue, Sep 1 - Sat, Sep 5
Alaska Airlines Logo
6:00 am - 4:00 pm-
8h 00m
Alaska Airlines Logo
10:59 am - 8:20 pm-
11h 21m
$360Alaska Airlines
Tue, Sep 29 - Wed, Oct 7
Southwest Logo
6:00 am - 6:00 pm-
10h 00m
Southwest Logo
3:05 pm - 10:15 pm-
9h 10m
$361Southwest
Booking Insights

KAYAK's insights & trends for Boise to Reagan-National flights

Get data-powered insights and trends into flights from Boise to Reagan-National to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Boise to Washington, D.C. Reagan-National Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Boise to Washington, D.C. Reagan-National Airport departing in September.

Flight prices are below average for this route right now.

Flights to Washington, D.C. Reagan-National Airport from Boise usually cost between $467 and $572 in September.
The lowest price found in the past 5 days was $303 on American Airlines (Sep 19-Sep 22).

What is the cheapest month to fly from Boise to Washington, D.C. Reagan-National Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boise to Washington, D.C. Reagan-National Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boise to Washington, D.C. Reagan-National Airport is February, where tickets cost $380 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $679 and $588 respectively.

How far in advance should I book a flight from Boise to Washington, D.C. Reagan-National Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boise to Washington, D.C. Reagan-National Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Boise to Washington, D.C. Reagan-National Airport, you should book around 5 weeks before departure, which saves you about 50% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

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Good to know

Low season

January

Cheapest flight

$112
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Boise to Reagan Washington National Airport

When to book flights from Boise to Reagan-National

Are your dates flexible? Find out the best times to travel from Boise to Reagan-National based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Boise to Reagan Washington National Airport flights

  • What is the cheapest flight from Boise to Washington, D.C. Reagan-National Airport?

    In the last 5 days, the lowest price for a flight from Boise to Washington, D.C. Reagan-National Airport was $112 for a one-way ticket and $204 for a round-trip.

  • Do I need a passport to fly between Boise and Reagan Washington National Airport?

    No

  • Which aircraft models fly most regularly from Boise to Reagan Washington National Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boise to Reagan Washington National Airport?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Boise and Reagan Washington National Airport, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Boise to Washington, D.C., Southwest or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from Boise to Washington, D.C. are Southwest and Alaska Airlines. With an average price for the route of $617 and an overall rating of 8.0, Southwest is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $432 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Boise to Reagan Washington National Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boise to Reagan Washington National Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boise to Reagan Washington National Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reagan Washington National Airport from Boise is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boise to Reagan Washington National Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reagan Washington National Airport with an airline and back to Boise with another airline. Booking your flights between Boise and DCA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boise to Reagan Washington National Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reagan Washington National Airport from Boise up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Boise to Reagan-National

Information on your arrival and departure airports

Boise (BOI)
Reagan-National (DCA)