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

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Flight deals from Baltimore Washington International to Boise

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International to Boise? Find the lowest prices on one-way and return tickets right here.
Boise.$382 per passenger.Departing Wed, 11 Jun, returning Sun, 15 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Wed, 11 Jun, arriving in Boise.Inbound indirect flight with Frontier Airlines, departs from Boise on Sun, 15 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From $382, select.
Boise.$529 per passenger.Departing Tue, 15 Jul, returning Tue, 22 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Tue, 15 Jul, arriving in Boise.Inbound indirect flight with Delta, departs from Boise on Tue, 22 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From $529, select.
Boise.$555 per passenger.Departing Thu, 11 Sep, returning Mon, 15 Sep.Return flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Baltimore Washington International on Thu, 11 Sep, arriving in Boise.Inbound indirect flight with Hawaiian Airlines, departs from Boise on Mon, 15 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From $555, select.
Boise.$556 per passenger.Departing Thu, 14 Aug, returning Mon, 18 Aug.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Thu, 14 Aug, arriving in Boise.Inbound indirect flight with United, departs from Boise on Mon, 18 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From $556, select.
Boise.$571 per passenger.Departing Thu, 30 Oct, returning Mon, 3 Nov.Return flight with Spirit Airlines and Alaska Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Thu, 30 Oct, arriving in Boise.Inbound indirect flight with Alaska Airlines, departs from Boise on Mon, 3 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From $571, select.
Boise.$579 per passenger.Departing Fri, 26 Sep, returning Mon, 6 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Fri, 26 Sep, arriving in Boise.Inbound indirect flight with Delta, departs from Boise on Mon, 6 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From $579, select.
Boise.$589 per passenger.Departing Fri, 25 Jul, returning Tue, 5 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Fri, 25 Jul, arriving in Boise.Inbound indirect flight with Delta, departs from Boise on Tue, 5 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From $589, select.
Boise.$630 per passenger.Departing Fri, 10 Oct, returning Fri, 31 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Fri, 10 Oct, arriving in Boise.Inbound indirect flight with Southwest Airlines, departs from Boise on Fri, 31 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From $630, select.

Find the cheapest month to fly from Baltimore Washington International to Boise

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to Boise flights are currently cheapest in June.
May
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Jun
from $382
Jul
from $529
Aug
from $556
Sep
from $555
Oct
from $630
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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Baltimore Washington International to Boise: Alternative routes

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

Washington D.C. to Boise: Flight information

The things to know before you go.
Cheapest flight found$382
Cheapest month to flyJune

Finding cheap flights from Baltimore Washington International to Boise: Frequently asked questions

The best price we found for a return flight from Baltimore Washington International to Boise is $382. 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 Baltimore Washington International to Boise. But we found flights with one or more stops from $382.
As of May 2025, there are no flights flying from Baltimore Washington International to Boise.
The cheapest month to fly from Baltimore Washington International to Boise is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Boise Airport on Wednesday, 11 June 2025.
No airlines currently offer direct flights between Baltimore Washington International Airport and Boise 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 Boise 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 Boise 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 Boise.

Travelling from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Boise Air Terminal (Gowen Field) Airport (BOI): what you need to know

  • To ensure you get on your BWI to BOI flight, leave enough time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • You can expect longer queues in popular months like July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a wise move.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Baltimore/Wash International Thurgood Marshall Airport to Boise Air Terminal (Gowen Field) Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to tour the city of your choice. Worthwhile stopovers between BWI and BOI include:

    • Denver International Airport

    • O'Hare International Airport

    • Salt Lake City International Airport

How to find the cheapest flights from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Boise Air Terminal (Gowen Field) Airport (BOI)

  • The cheapest price we've found for a one-way Baltimore/Wash International Thurgood Marshall Airport to Boise Air Terminal (Gowen Field) Airport flight is $195. A round-trip ticket is currently $382. Depending on the availability and when you book, these fares can change.

  • Don't wait until the last minute. You're more likely to find cheap tickets from BWI to BOI if you book early. Airlines often have some fantastic early bird rates.

  • If you can be flexible with your travel dates, use the 'Whole month' search function. It'll show you the lowest price in each month when looking for your flight from Baltimore/Wash International Thurgood Marshall Airport to Boise Air Terminal (Gowen Field) Airport.

  • You won't have to check back in every day to see if fares have dropped when you set up a Price Alert. We'll update you the moment there's a better deal on cheap flights from BWI to BOI.

  • Select your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Baltimore/Wash International Thurgood Marshall Airport to Boise Air Terminal (Gowen Field) Airport.

Handy information about Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Of the flights that depart from Baltimore/Wash International Thurgood Marshall Airport, 77.13% arrive on time at their destination.

  • Baltimore/Wash International Thurgood Marshall Airport is about 48 kilometres from central Washington DC. If you're ride-sharing, catching a cab or driving from the centre, it'll take 50 minutes or so to arrive, depending on the traffic.

  • The trip on public transport typically takes 1 hour 30 minutes.

  • Catching an early flight from Baltimore/Wash International Thurgood Marshall Airport to Boise Air Terminal (Gowen Field) Airport? Avoid the stress of rushing to the airport (and get some extra shut-eye) by choosing one of these hotels close to BWI:

Arriving at Boise Air Terminal (Gowen Field) Airport (BOI)

  • If you have a late Baltimore/Wash International Thurgood Marshall Airport to Boise Air Terminal (Gowen Field) Airport flight, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be tucked up in bed shortly after at one of these options near BOI:

  • Get your adventure underway by picking up a Boise Air Terminal (Gowen Field) Airport rental car. Grab your wheels from Budget, Alamo or Avis and explore beyond Boise's main sights.

  • Reserving your vehicle from Boise Air Terminal (Gowen Field) Airport about one week ahead can help you get the lowest rate.

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

  • BOI is located at 3201 Airport Way.

  • From Boise Air Terminal (Gowen Field) Airport, Boise is approximately 18 kilometres away. It takes around 20 minutes to reach the centre driving.

  • When travelling by public transport, expect a journey of around 1 hour 35 minutes.

When to fly to Boise Air Terminal (Gowen Field) Airport (BOI)

  • The quietest month for a flight from Baltimore/Wash International Thurgood Marshall Airport to Boise Air Terminal (Gowen Field) Airport is May, while July is the busiest. Choose the ideal time to go to Boise based on whether you prefer a more relaxed vibe or a faster pace.

  • When booking your flight from Baltimore/Wash International Thurgood Marshall Airport to Boise Air Terminal (Gowen Field) Airport, think about the type of weather you enjoy. July is the warmest month in Boise, with the temperature ranging from 15ºC (59ºF) to 35ºC (95ºF).

  • January sees average temperatures of between -11ºC (12ºF) and 5ºC (41ºF). Look for cheap tickets from BWI to BOI around that time if you want to travel when it's cooler.

Explore more of United States

  • You've visited Boise, now it's time to explore more of United States. Travel around 467 kilometres north to Spokane to check off its top attractions. From Manito Park to Northwest Museum of Arts & Culture and Spokane Falls, you'll have a packed itinerary ahead.

  • If you're interested in discovering another corner of United States, consider Salt Lake City, about 483 kilometres south-east of Boise. Temple Square, Utah State Capitol and Red Butte Garden are highlights.

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

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.