Title: Cheap Flights from Baltimore (BWI) to Washington (IAD) - Expedia.ca ![Washington DC in Spring](https://images.trvl-media.com/place/3763/58eb1a51-e7f1-4f17-88af-21174d495e42.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3763/58eb1a51-e7f1-4f17-88af-21174d495e42.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Baltimore (BWI) to Washington (IAD) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Baltimore Washington International Airport (BWI) to Washington Dulles International Airport (IAD) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:BWI,to:IAD,departure:11/12/2025TANYT&leg2=from:IAD,to:BWI,departure:18/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:BWI,to:IAD,departure:11/12/2025TANYT&leg2=from:IAD,to:BWI,departure:18/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:BWI,to:IAD,departure:11/12/2025TANYT&leg2=from:IAD,to:BWI,departure:18/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:BWI,to:IAD,departure:11/12/2025TANYT&leg2=from:IAD,to:BWI,departure:18/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:BWI,to:IAD,departure:11/12/2025TANYT&leg2=from:IAD,to:BWI,departure:18/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:BWI,to:IAD,departure:11/12/2025TANYT&leg2=from:IAD,to:BWI,departure:18/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:BWI,to:IAD,departure:11/12/2025TANYT&leg2=from:IAD,to:BWI,departure:18/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ![](https://forever.travel-assets.com/flex/flexmanager/images/2025/11/05/BEX-BF-25_CA_1_Desktop.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## Black Friday Sale Limited-time deals: save up to 50% on select hotels [Book now](https://expedia.ca/deals?rfrr=FTG_BF_PROMO_) Flight from Baltimore to Washington (BWI - IAD) route information | Origin airport | Baltimore Washington Intl. Thurgood Marshall | | --- | --- | | Destination airport | Washington Dulles Intl. | | Distance | 71 km | ## Baltimore to Chantilly Flights **The easy way to book your flights from Baltimore to Washington**  With Expedia, it’s simple to find and book flights to Washington from Baltimore whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Washington Dulles Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Baltimore to Washington today, tomorrow, or this week.   **Save dollars with cheap flights from Baltimore Washington Intl. Thurgood Marshall, BWI to Washington Dulles Intl., IAD**  Sort your search results by price to find great deals on your flight from Baltimore to Washington—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Washington from Baltimore currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Washington   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Washington from Baltimore**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Washington with Expedia today. ## Frequently asked questions ### How much is a flight from BWI Marshall to IAD? > The lowest price advertised for a round-trip journey from BWI Marshall to IAD is . But you better move fast. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Dulles Intl. Airport? > This differs between air carriers, as each one has its own terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where you'll find simple instructions on how to cancel your flight online. ### How do I find cheap flights from BWI Marshall to Washington Dulles Intl. Airport (IAD) that have flexible change policies? > Many carriers will allow you to move your flight without a change fee. All you pay is the cost difference between the two flights. When looking for BWI to Dulles Intl. Airport flights, you'll see a "No change fees" filter for you to tick. ### How many hours is the flight from BWI Marshall to IAD? > It takes roughly 7 hours and 35 minutes to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to IAD. But with some TV shows and a good novel, the hours will pass by quicker. ### How far is the flight from BWI to Dulles Intl. Airport? > It's only 70 kilometres between BWI and IAD. Chances are you'll spend more time travelling to and from the airport than you will actually flying! ### Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to IAD? > SAS (SK) is a top choice. It offers 0 flights between Baltimore Washington Intl. Thurgood Marshall Airport (BWI) and Dulles Intl. Airport each month. You could also take a look at the fares available with Lufthansa (LH). This airline operates 0 flights every month between Baltimore and Chantilly. ### Are BWI Airport to IAD flight tickets cheaper when they're purchased at the last minute? > It is possible to pick up an amazing last-minute deal from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to IAD, but it's also possible to miss out altogether! As many airlines advertise prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. 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