Title: Cheap flights from Washington to Indiana ( DCA - IDI) - Expedia.com ![Downtown aerial view of Columbia City courthouse and shops](https://images.trvl-media.com/place/6059712/a0ce7833-e149-445a-b196-21e3f8cab8f2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6059712/a0ce7833-e149-445a-b196-21e3f8cab8f2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Washington (DCA) to Indiana (IDI) - [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 Ronald Reagan Washington National Airport (DCA) to Indiana, PA (IDI-Indiana County - Jimmy Stewart) - ![](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:DCA,to:IDI,departure:3/11/2026TANYT&leg2=from:IDI,to:DCA,departure:3/18/2026TANYT&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:DCA,to:IDI,departure:3/11/2026TANYT&leg2=from:IDI,to:DCA,departure:3/18/2026TANYT&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:DCA,to:IDI,departure:3/11/2026TANYT&leg2=from:IDI,to:DCA,departure:3/18/2026TANYT&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:DCA,to:IDI,departure:3/11/2026TANYT&leg2=from:IDI,to:DCA,departure:3/18/2026TANYT&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:DCA,to:IDI,departure:3/11/2026TANYT&leg2=from:IDI,to:DCA,departure:3/18/2026TANYT&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:DCA,to:IDI,departure:3/11/2026TANYT&leg2=from:IDI,to:DCA,departure:3/18/2026TANYT&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:DCA,to:IDI,departure:3/11/2026TANYT&leg2=from:IDI,to:DCA,departure:3/18/2026TANYT&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. 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[Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Frequently asked questions ### How much does a flight from Ronald Reagan Washington National Airport (DCA) to Indiana, PA (IDI-Indiana County - Jimmy Stewart) cost? ### What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Indiana, PA (IDI-Indiana County - Jimmy Stewart)? ### What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Indiana, PA (IDI-Indiana County - Jimmy Stewart)? ### How many flights per day from Ronald Reagan Washington National Airport (DCA) to Indiana, PA (IDI-Indiana County - Jimmy Stewart)? ### What day of the week has the most flights from DCA to IDI? ### What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Indiana, PA (IDI-Indiana County - Jimmy Stewart)? ### Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Indiana, PA (IDI-Indiana County - Jimmy Stewart) last-minute? ### Is it cheaper to book a DCA to IDI flight and hotel package? ### Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Indiana, PA (IDI-Indiana County - Jimmy Stewart)? ## Travel information | Origin airport | Ronald Reagan Washington National | | ------------------- | --------------------------------- | | Destination airport | Indiana County - Jimmy Stewart | | Distance | 164 mi | ## Book with confidence # Washington to Indiana Flights The cheapest times to fly from Washington to Indiana 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 Washington to Indiana are during the month of . You can find some of the cheapest flights from Washington to Indiana with Expedia's search tool and vast selection of airlines. The best time to book a flight from Washington to Indiana Sunday is one of the best days to book for cheap flights from Washington to Indiana: 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 Washington to Indiana 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 Washington to Indiana 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 Washington to Indiana 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 Washington to Indiana 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. \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - [Indiana Hotels ](https://www.expedia.com/Indiana-Hotels.d7868.Travel-Guide-Hotels) - [Pet-Friendly Hotels in Indiana ](https://www.expedia.com/Indiana-Hotels-Pet-Friendly-Hotel.0-0-d7868-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Hotels with Hot Tubs in Indiana ](https://www.expedia.com/Indiana-Hotels-Hotels-With-Hot-Tubs.0-0-d7868-tHotelsWithHotTubs.Travel-Guide-Filter-Hotels) - [Hotels with an Indoor Pool in Indiana ](https://www.expedia.com/Indiana-Hotels-Hotels-With-Indoor-Pool.0-0-d7868-tHotelswithIndoorPool.Travel-Guide-Filter-Hotels) - [Cheap Hotels in Indiana ](https://www.expedia.com/Indiana-Hotels-Cheap-Hotels.0-0-d7868-tCheapHotels.Travel-Guide-Filter-Hotels) - [B&B in Indiana ](https://www.expedia.com/Indiana-Bed-And-Breakfast.d7868-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Hotels with Bars in Indiana ](https://www.expedia.com/Indiana-Hotels-Bar-Hotel.0-0-d7868-tBarHotel.Travel-Guide-Filter-Hotels) - 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