Title: Cheap Flights from Washington (DCA) to Harlingen (HRL) - Expedia.ca ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/32a5a1b7-682e-4c22-a8ab-4b736795e0ea/expedia_fallback.webp?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/32a5a1b7-682e-4c22-a8ab-4b736795e0ea/expedia_fallback.webp?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Washington (DCA) to Harlingen (HRL) - [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 Ronald Reagan National Airport (DCA) to Valley Intl. Airport (HRL) - ![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:dca,to:hrl,departure:26/10/2025TANYT&leg2=from:hrl,to:dca,departure:02/11/2025TANYT&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:dca,to:hrl,departure:26/10/2025TANYT&leg2=from:hrl,to:dca,departure:02/11/2025TANYT&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:dca,to:hrl,departure:26/10/2025TANYT&leg2=from:hrl,to:dca,departure:02/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:dca,to:hrl,departure:26/10/2025TANYT&leg2=from:hrl,to:dca,departure:02/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) ![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) ## Frequently asked questions ### How much is a flight from Ronald Reagan Washington National Airport (DCA) to Valley Intl. Airport (HRL)? > The lowest price advertised for a round-trip flight between National Airport and HRL is . But you better act fast. This price is taken from 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 DCA to Valley Intl. Airport? > Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Ronald Reagan Washington National Airport (DCA) to Valley Intl. Airport (HRL) that have flexible change policies? > Use our "No change fees" filter to find flexible ticketing options for your flight from DCA to Valley Intl. Airport (HRL). This allows you to secure a great price ahead of time and still have the freedom to reschedule without any extra fees. You'll just need to pay the difference in fare. ### How many hours is the flight from DCA to Valley Intl. Airport (HRL)? > There are lots of ways to make the 5 hours and 19 minutes between National Airport and HRL go by quicker. If you want to be productive, sort through your photos or delete all those backed-up emails. A nice snooze also helps pass the time! ### How far is the flight from National Airport to Valley Intl. Airport (HRL)? > It's around 2,400 kilometres from National Airport to Valley Intl. Airport (HRL), so expect to be up in the air for a while. Keep yourself occupied by packing things like crossword puzzles or the latest bestseller. ### Which airlines fly direct from DCA to Valley Intl. Airport (HRL)? > You won't find any airlines operating directly between Ronald Reagan Washington National Airport (DCA) and HRL, so be prepared to make at least one stop on your journey. A layover can be a welcome way to break up a trip! ### Are National Airport to HRL flight tickets cheaper when they're purchased at the last minute? > Flight prices change all the time, so there are no guarantees. While last-minute deals between DCA and Valley Intl. Airport (HRL) are possible, it's also a good idea to monitor prices well before you fly. In fact, some airlines announce their prices up to 12 months before the departure date. Expedia is continuously updating the best airfare bargains around, so check back often and be ready to book when the price is right. ## Travel information | Origin airport | Ronald Reagan Washington National | | --- | --- | | Destination airport | Valley Intl. | | Distance | 2365 km | | Average flight time | 6 hours 50 mins | ## Book with confidence ### Washington to Harlingen Flights **The easy way to book your flights from Washington to Harlingen**  With Expedia, it’s simple to find and book flights to Harlingen from Washington 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 Valley 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 Washington to Harlingen today, tomorrow, or this week.   **Save dollars with cheap flights from Ronald Reagan Washington National, DCA to Valley Intl., HRL**  Sort your search results by price to find great deals on your flight from Washington to Harlingen—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Harlingen from Washington 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 Harlingen   - 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 Harlingen from Washington**  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. 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