Title: Cheap flights from Baltimore to The Dalles (BWI to DLS) - Expedia.com ![Adobe](https://images.trvl-media.com/place/6873/29c342d2-6d41-424a-b310-e34836ff2e35.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6873/29c342d2-6d41-424a-b310-e34836ff2e35.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Baltimore (BWI) to The Dalles (DLS) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers 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 Intl. Airport (BWI) to The Dalles, OR (DLS-The Dalles Municipal) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:DLS,departure:2/26/2026TANYT&leg2=from:DLS,to:BWI,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:DLS,departure:2/26/2026TANYT&leg2=from:DLS,to:BWI,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:DLS,departure:2/26/2026TANYT&leg2=from:DLS,to:BWI,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:DLS,departure:2/26/2026TANYT&leg2=from:DLS,to:BWI,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:DLS,departure:2/26/2026TANYT&leg2=from:DLS,to:BWI,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:DLS,departure:2/26/2026TANYT&leg2=from:DLS,to:BWI,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:DLS,departure:2/26/2026TANYT&leg2=from:DLS,to:BWI,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](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\* - ![](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\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) __Flights from Baltimore (BWI) to The Dalles (DLS)__ | Origin airport | Baltimore Washington Intl. Thurgood Marshall | | ------------------- | -------------------------------------------- | | Destination airport | The Dalles Municipal | | Distance | 2283 mi | ## Baltimore to The Dalles Flights The cheapest times to fly from Baltimore to The Dalles On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to The Dalles are during the month of . You can find some of the cheapest flights from Baltimore to The Dalles with Expedia's search tool and vast selection of airlines. The best time to book a flight from Baltimore to The Dalles Sunday is one of the best days to book for cheap flights from Baltimore to The Dalles: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Baltimore to The Dalles Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to The Dalles in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to The Dalles flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Baltimore to The Dalles airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. ## Frequently asked questions ### How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to The Dalles, OR (DLS-The Dalles Municipal) cost? ### What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to The Dalles, OR (DLS-The Dalles Municipal)? ### What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to The Dalles, OR (DLS-The Dalles Municipal)? ### How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to The Dalles, OR (DLS-The Dalles Municipal)? ### What day of the week has the most flights from BWI to DLS? ### What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to The Dalles, OR (DLS-The Dalles Municipal)? ### Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to The Dalles, OR (DLS-The Dalles Municipal) last-minute? ### Is it cheaper to book a BWI to DLS flight and hotel package? ### Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to The Dalles, OR (DLS-The Dalles Municipal)? \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - Other - [Dallesport Hotels ](https://www.expedia.com/Dallesport-Hotels.d553248634983197774.Travel-Guide-Hotels) - [Hotels near Rowena Crest ](https://www.expedia.com/Rowena-Crest-Hotels.0-l553248621533115634-0.Travel-Guide-Filter-Hotels) - [Hotels near The Dalles Dam & Lock ](https://www.expedia.com/The-Dalles-Dam-Lock-Hotels.0-l553248621533115633-0.Travel-Guide-Filter-Hotels) - [Hotels near Doug's Beach State Park ](https://www.expedia.com/Dougs-Beach-State-Park-Hotels.0-l553248621551367279-0.Travel-Guide-Filter-Hotels) - [Hotels near Columbia Hills State Park ](https://www.expedia.com/Columbia-Hills-State-Park-Hotels.0-l553248621533115636-0.Travel-Guide-Filter-Hotels) - [Lyle Hotels ](https://www.expedia.com/Lyle-Hotels.d6352700.Travel-Guide-Hotels) - [Cabin Rentals in Lyle ](https://www.expedia.com/Lyle-Cabins.d6352700-aaCabins.Travel-Guide-Accommodation) - 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