Skyscanner

Cheap Flights from Boise to Baltimore Washington International

Compare Boise to Baltimore Washington International flight deals

Find the cheapest month or even day of the year to fly to Baltimore Washington International

Book the best Baltimore Washington International fare with no extra fees

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to Baltimore Washington International flights are currently cheapest in October.
Sep
from R 4,908
Oct
from R 2,601
Nov
from R 2,633
Dec
Find prices
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
Find prices
May
Find prices
Jun
Find prices
Jul
Find prices
Aug
Find prices

Boise to Baltimore Washington International: 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 Baltimore Washington International.

Boise to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundR 2,601
Cheapest month to flyOctober

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

The best price we found for a return flight from Boise to Baltimore Washington International is R 5,654. 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 Baltimore Washington International. But we found flights with one or more stops from R 5,654.
As of September 2025, there are no flights flying from Boise to Baltimore Washington International.
The cheapest month to fly from Boise to Baltimore Washington International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Baltimore Washington International Airport on Thursday, 16 October 2025.
No airlines currently offer direct flights between Boise Airport and Baltimore Washington International 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 Baltimore Washington International 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 Baltimore Washington International.

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

  • Washington DC's timezone is UTC-4, making Washington DC two hours ahead of Boise.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Get to the airport on time to catch your BOI to BWI flight.

  • Be prepared for longer lines during popular months like July. Arriving up to four hours ahead of international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • If you want to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Boise Air Terminal (Gowen Field) Airport to Baltimore/Wash International Thurgood Marshall Airport. These are the most popular stopovers between BOI and BWI:

    • Minneapolis-St. Paul International Airport

    • Denver International Airport

    • O'Hare International Airport

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

  • R 2,601 is the best price for a one-way Boise Air Terminal (Gowen Field) Airport to Baltimore/Wash International Thurgood Marshall Airport flight. A return flight starts from R 5,654. These fares can change based on demand and availability.

  • It's usually best to book early if you want to find cheap tickets from BOI to BWI. That's because flight prices are based on demand, which tends to rise closer to departure.

  • The 'Whole month' search tool shows you the cheapest flights from Boise Air Terminal (Gowen Field) Airport to Baltimore/Wash International Thurgood Marshall Airport across each month. It's a great way to find a bargain if your plans are flexible.

  • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll send you an update as soon as there's a change in price on cheap flights from BOI to BWI.

  • 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 Boise Air Terminal (Gowen Field) Airport to Baltimore/Wash International Thurgood Marshall Airport.

Handy information about Boise Air Terminal (Gowen Field) Airport (BOI)

  • BOI is located at 3201 Airport Way.

  • Boise Air Terminal (Gowen Field) Airport has a strong on-time performance, making delays less likely. Departures from BOI arrive at their destination as scheduled 83.53% of the time.

  • To reach Boise Air Terminal (Gowen Field) Airport from central Boise, it takes around 20 minutes if you're going by car. This depends on traffic, however. It's approximately 18 kilometres from the airport to the city centre.

  • Taking public transport? Expect a journey time of around 1 hour 35 minutes.

  • Get your trip off to a stress-free start by staying near BOI. Whether you're boarding an early flight from Boise Air Terminal (Gowen Field) Airport to Baltimore/Wash International Thurgood Marshall Airport or just don't want to be rushed, these stays are the answer:

Arriving at Baltimore/Wash International Thurgood Marshall Airport (BWI)

Getting from Baltimore/Wash International Thurgood Marshall Airport (BWI) to central Washington DC

  • Baltimore/Wash International Thurgood Marshall Airport to central Washington DC has a drive time of about 50 minutes. It's approximately 48 kilometres away.

  • It'll take around 1 hour 30 minutes if you're travelling by public transport.

When to fly to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • It's time to plan your dates for your flight from Boise Air Terminal (Gowen Field) Airport to Baltimore/Wash International Thurgood Marshall Airport. July is the most popular month to visit Washington DC. If you want a more relaxed vibe, go in May.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Lock in your flights from Boise Air Terminal (Gowen Field) Airport to Baltimore/Wash International Thurgood Marshall Airport in this month if you enjoy this type of weather.

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

Explore more of United States

  • Washington DC is easy to fall in love with, but there are so many other corners of United States just waiting to be explored. Around 322 kilometres north-east of Washington DC, a visit to New York will keep your itinerary busy. Don't miss top attractions like Statue of Liberty, Central Park and Empire State Building.

  • If you're eager to discover another great destination in United States, head for Philadelphia, roughly 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are among the biggest draws.

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 45 days.