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Cheap Flights from Boise (BOI) to Washington D.C. (DCA)

Compare Boise to Washington Ronald Reagan flight deals

Find the cheapest month or even day of the year to fly to Washington Ronald Reagan

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Flight deals from Boise to Washington Ronald Reagan

Looking for a cheap last-minute deal or the best return flight from Boise Airport to Washington Ronald Reagan Airport? If you want to travel next month, return fares start from $342. Find the lowest prices on one-way and return tickets right here.
Washington D.C..$342 per passenger.Departing Tue, 18 Aug, returning Mon, 24 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boise on Tue, 18 Aug, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Mon, 24 Aug, arriving in Boise.Price includes taxes and charges.From $342, select.
Washington D.C..$342 per passenger.Departing Tue, 15 Sep, returning Tue, 22 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boise on Tue, 15 Sep, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Tue, 22 Sep, arriving in Boise.Price includes taxes and charges.From $342, select.
Washington D.C..$344 per passenger.Departing Thu, 8 Oct, returning Mon, 12 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boise on Thu, 8 Oct, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Mon, 12 Oct, arriving in Boise.Price includes taxes and charges.From $344, select.
Washington D.C..$433 per passenger.Departing Sat, 19 Sep, returning Sat, 3 Oct.Return flight with United.Outbound indirect flight with United, departs from Boise on Sat, 19 Sep, arriving in Washington Ronald Reagan.Inbound indirect flight with United, departs from Washington Ronald Reagan on Sat, 3 Oct, arriving in Boise.Price includes taxes and charges.From $433, select.
Washington D.C..$459 per passenger.Departing Mon, 31 Aug, returning Mon, 14 Sep.Return flight with United.Outbound indirect flight with United, departs from Boise on Mon, 31 Aug, arriving in Washington Ronald Reagan.Inbound indirect flight with United, departs from Washington Ronald Reagan on Mon, 14 Sep, arriving in Boise.Price includes taxes and charges.From $459, select.
Washington D.C..$468 per passenger.Departing Fri, 11 Dec, returning Mon, 18 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Boise on Fri, 11 Dec, arriving in Washington Ronald Reagan.Inbound indirect flight with Delta, departs from Washington Ronald Reagan on Mon, 18 Jan, arriving in Boise.Price includes taxes and charges.From $468, select.
Washington D.C..$506 per passenger.Departing Thu, 24 Dec, returning Wed, 30 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Boise on Thu, 24 Dec, arriving in Washington Ronald Reagan.Inbound indirect flight with Delta, departs from Washington Ronald Reagan on Wed, 30 Dec, arriving in Boise.Price includes taxes and charges.From $506, select.
Washington D.C..$735 per passenger.Departing Thu, 14 Jan, returning Thu, 28 Jan.Return flight with United.Outbound indirect flight with United, departs from Boise on Thu, 14 Jan, arriving in Washington Ronald Reagan.Inbound indirect flight with United, departs from Washington Ronald Reagan on Thu, 28 Jan, arriving in Boise.Price includes taxes and charges.From $735, select.
Washington D.C..$771 per passenger.Departing Thu, 18 Mar, returning Mon, 22 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boise on Thu, 18 Mar, arriving in Washington Ronald Reagan.Inbound indirect flight with Southwest Airlines, departs from Washington Ronald Reagan on Mon, 22 Mar, arriving in Boise.Price includes taxes and charges.From $771, select.

Find the cheapest month to fly from Boise to Washington Ronald Reagan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to Washington Ronald Reagan flights are currently cheapest in August.
Jul
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Aug
from $342
Sep
from $342
Oct
from $344
Nov
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Dec
from $506
Jan
from $735
Feb
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Mar
from $771
Apr
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May
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Jun
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Boise to Washington Ronald Reagan: Alternative routes

Compare routes from Boise to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Ronald Reagan.

Washington Ronald Reagan

5km from central Washington D.C.
ClosestCheapest
from $342
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Washington Dulles

37km from central Washington D.C.
from $416
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Baltimore Washington International

44km from central Washington D.C.
from $416
Search flights

Boise to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found$342
Cheapest month to flySeptember

Finding cheap flights from Boise to Washington Ronald Reagan: Frequently asked questions

The best price we found for a return flight from Boise to Washington Ronald Reagan is $342. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boise to Washington Ronald Reagan. But we found flights with one or more stops from $342.
As of July 2026, there are no flights flying from Boise to Washington Ronald Reagan.
The cheapest month to fly from Boise to Washington Ronald Reagan is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Washington Ronald Reagan Airport on Tuesday, 15 September 2026.
No airlines currently offer direct flights between Boise Airport and Washington Ronald Reagan Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Ronald Reagan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to Washington Ronald Reagan.

Flying from Boise Airport (BOI) to Washington Ronald Reagan Airport (DCA): what you need to know

  • Washington DC is two hours ahead of Boise and is in the UTC-5 timezone.

  • Your BOI to DCA flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Be prepared for longer queues in popular months like October. Arriving up to four hours ahead of international flights and two hours for domestic departures is a wise move.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Boise Airport to Washington Ronald Reagan Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to explore the city of your choice. Top stopovers between BOI and DCA include:

    • Chicago O'Hare International Airport

    • Atlanta Hartsfield-Jackson Airport

    • Denver International Airport

How to find the cheapest flights from Boise Airport (BOI) to Washington Ronald Reagan Airport (DCA)

  • The cheapest price we've seen for a one-way Boise Airport to Washington Ronald Reagan Airport flight is $172. A round-trip ticket is currently $342. Depending on the availability when you book, these fares could change.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from BOI to DCA if you book early. Airlines often have some great early bird deals.

  • If you're willing to be flexible with your trip dates, try using the 'Whole month' search tool. It'll find the cheapest price across each month when looking for your flight from Boise Airport to Washington Ronald Reagan Airport.

  • Snapping up cheap flights from BOI to DCA is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Secure the perfect flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Boise Airport to Washington Ronald Reagan Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about Boise Airport (BOI)

  • The address for BOI is 3201 Airport Way.

  • Boise Airport maintains a solid on-time record, so you're unlikely to face delays. Departures from BOI touch down on schedule 84% of the time.

  • Central Boise to Boise Airport is around 6 kilometres. Depending on traffic, it'll take you about 15 minutes to get there if you're ride-sharing, catching a taxi or driving.

  • The journey when using public transport will take about 30 minutes.

  • Have an early flight from Boise Airport to Washington Ronald Reagan Airport? Avoid the hassle of rushing to the terminal (and catch some extra z's) by choosing one of these hotels close to BOI:

Arriving at Washington Ronald Reagan Airport (DCA)

Getting from Washington Ronald Reagan Airport (DCA) to central Washington DC

  • The street address for DCA is 1 Aviation Circle.

  • Washington Ronald Reagan Airport is roughly 6 kilometres from the centre of Washington DC. Driving there takes about 10 minutes.

  • When travelling by public transport, expect a journey of roughly 25 minutes.

When to fly to Washington Ronald Reagan Airport (DCA)

  • The quietest month for a flight from Boise Airport to Washington Ronald Reagan Airport is March, while August is the busiest. Choose the best time to visit Washington DC based on whether you prefer a faster pace or a more relaxed vibe.

  • When reserving your flight from Boise Airport to Washington Ronald Reagan Airport, think about the type of weather you enjoy. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • If you like travelling in cooler conditions, search for a cheap ticket from BOI to DCA in January. Temperatures average between -6ºC (21ºF) and 10ºC (50ºF) then.

Explore more of the United States

  • You've done Washington DC, now it's time to discover more of the United States. Journey around 322 kilometres north-east to New York to tick off its must-visit sights. From Central Park to Statue of Liberty and Metropolitan Museum of Art, there's plenty to keep you on the go.

  • Philadelphia is another favourite destination in the United States and is around 193 kilometres north-east of Washington DC. No journey is complete without experiencing Independence Hall, Liberty Bell and Philadelphia Museum of Art.

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Plan the rest of your trip from Boise to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.