$119 Cheap Flights from Harlingen (HRL) to Baltimore (BWI)

View $119 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Valley Intl. Airport (HRL) to Baltimore Washington Intl. Airport (BWI)

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Cheap Flights from Harlingen to Baltimore (HRL-BWI)

Prices were available within the past 7 days and start at $119 for one-way flights and $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Jan 10 - Wed, Jan 14
HRL
Harlingen
BWI
Baltimore
$251 Roundtrip, found 1 hour ago
$251
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jan 10 from Harlingen to Baltimore, returning Wed, Jan 14, priced at $251 found 1 hour ago
Southwest Airlines
Fri, Dec 12 - Tue, Dec 16
HRL
Harlingen
BWI
Baltimore
$257 Roundtrip, found 5 days ago
$257
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Dec 12 from Harlingen to Baltimore, returning Tue, Dec 16, priced at $257 found 5 days ago
American Airlines
Sat, Jan 10 - Wed, Jan 14
HRL
Harlingen
BWI
Baltimore
$264 Roundtrip, found 1 hour ago
$264
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Jan 10 from Harlingen to Baltimore, returning Wed, Jan 14, priced at $264 found 1 hour ago
Southwest Airlines
Sat, Jan 10 - Wed, Jan 14
HRL
Harlingen
BWI
Baltimore
$270 Roundtrip, found 1 hour ago
$270
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sat, Jan 10 from Harlingen to Baltimore, returning Wed, Jan 14, priced at $270 found 1 hour ago
United
Mon, Jan 12 - Tue, Jan 13
HRL
Harlingen
BWI
Baltimore
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 days ago
Select United flight, departing Mon, Jan 12 from Harlingen to Baltimore, returning Tue, Jan 13, priced at $271 found 2 days ago
Delta
Fri, Jan 23 - Tue, Jan 27
HRL
Harlingen
BWI
Baltimore
$272 Roundtrip, found 2 days ago
$272
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jan 23 from Harlingen to Baltimore, returning Tue, Jan 27, priced at $272 found 2 days ago
Southwest Airlines
Wed, Jan 7 - Thu, Jan 8
HRL
Harlingen
BWI
Baltimore
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Jan 7 from Harlingen to Baltimore, returning Thu, Jan 8, priced at $275 found 1 day ago
United
Mon, Jan 12 - Tue, Jan 13
HRL
Harlingen
BWI
Baltimore
$276 Roundtrip, found 2 days ago
$276
Roundtrip
found 2 days ago
Select United flight, departing Mon, Jan 12 from Harlingen to Baltimore, returning Tue, Jan 13, priced at $276 found 2 days ago
Delta
Tue, Mar 24 - Wed, Apr 1
HRL
Harlingen
BWI
Baltimore
$277 Roundtrip, found 2 days ago
$277
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Mar 24 from Harlingen to Baltimore, returning Wed, Apr 1, priced at $277 found 2 days ago
Southwest Airlines
Sat, Jan 10 - Wed, Jan 14
HRL
Harlingen
BWI
Baltimore
$280 Roundtrip, found 1 hour ago
$280
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sat, Jan 10 from Harlingen to Baltimore, returning Wed, Jan 14, priced at $280 found 1 hour ago

Find the cheapest month to fly from Harlingen (HRL) to Baltimore (BWI)

September is typically the cheapest month to fly

From $223 - $488 per traveler.

Alternative airports near Baltimore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest option available. Average driving time to city center is 57 minutes. Flights from $384
DCA
Ronald Reagan Washington National
Cheapest
Average driving time to city center57 min
Flights from $384

Frequently asked questions

How much does a flight from Valley Intl. Airport (HRL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Get a cheap one-way flight from $119 or cheap return flight from $251 from Valley Intl. Airport (HRL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Valley Intl. Airport (HRL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
January is the most affordable month to fly from HRL to BWI. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Valley Intl. Airport (HRL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest HRL to BWI flight.
How many flights per day from Valley Intl. Airport (HRL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
There aren't any daily direct flights departing from Valley Intl. Airport (HRL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from HRL to BWI?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Valley Intl. Airport (HRL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To avoid possible delays on the Valley Intl. Airport (HRL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Valley Intl. Airport (HRL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Last-minute bookings from HRL to BWI are typically more expensive. To secure the cheapest rates, start searching for flights as early as possible. That being said, if you can play around with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book a HRL to BWI flight and hotel package?
Booking a HRL to BWI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Valley Intl. Airport (HRL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Typically, you're able to reschedule or cancel your HRL to BWI flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, head to our Customer Service portal.

Travel information

Origin airport
Valley Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$250
Distance
1507 mi

Book with confidence

Harlingen to Baltimore Flights

The cheapest times to fly from Harlingen to Baltimore

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 Harlingen to Baltimore are during the month of January. You can find some of the cheapest flights from Harlingen to Baltimore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Harlingen to Baltimore

Sunday is one of the best days to book for cheap flights from Harlingen to Baltimore: 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 Harlingen to Baltimore

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 Harlingen to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $119 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 Harlingen to Baltimore 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. Bundling together your Harlingen to Baltimore 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.

 

Harlingen to Baltimore Flights

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*Available to One Key members.