HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Harlingen

$139+ Cheap flights from Baltimore to Harlingen, TX (BWI - HRL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — HRL
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to Harlingen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Baltimore to Harlingen

Cheapest flights from Baltimore to Harlingen
Explore the most affordable flight options available from Baltimore to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:05 pm
BWI
-
HRL
1 stop6h 54m
United Airlines
Fri 2/279:20 am
HRL
-
BWI
1 stop5h 50m
United Airlines
Deal found 2/7$348
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:15 pm
BWI
-
HRL
1 stop8h 20m
Southwest
Wed 2/256:30 am
HRL
-
BWI
1 stop7h 45m
Southwest
Deal found 2/11$363
This Southwest deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:15 pm
BWI
-
HRL
1 stop8h 20m
Southwest
Fri 2/277:00 am
HRL
-
BWI
2 stops13h 25m
Southwest
Deal found 2/7$390
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:40 am
BWI
-
HRL
1 stop10h 10m
Southwest
Sun 3/13:30 pm
HRL
-
BWI
1 stop7h 35m
Southwest
Deal found 2/8$398
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:15 am
BWI
-
HRL
1 stop6h 15m
Southwest
Sun 2/156:35 am
HRL
-
BWI
1 stop8h 10m
Southwest
Deal found 2/9$419
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:40 pm
BWI
-
HRL
1 stop7h 15m
Southwest
Sat 3/146:15 pm
HRL
-
BWI
1 stop5h 10m
Southwest
Deal found 2/10$459

Find flight deals from Baltimore to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$348
(United Airlines)

One-way from

$139
(United Airlines)

Popular in

February

Cheapest in

April

Average price

$509
Provider with most accurate pricing for Baltimore/Washington-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Harlingen Valley Intl flights.
Search Deals
From Baltimore/Washington to Harlingen Valley Intl
Search Deals
One-way flight from Baltimore/Washington to Harlingen Valley Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Harlingen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Baltimore to Harlingen that are best for you.

Fly from

Baltimore

Fly to

Harlingen

Route

Depart

Return

Price

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Mon 2/23

4:05 pm-9:59 pm

1 stop6h 54m

Harlingen Valley Intl

Fri 2/27

9:20 am-4:10 pm

1 stop5h 50m

$348

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Mon 2/23

2:15 pm-9:35 pm

1 stop8h 20m

Harlingen Valley Intl

Wed 2/25

6:30 am-3:15 pm

1 stop7h 45m

$363

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Mon 2/23

2:15 pm-9:35 pm

1 stop8h 20m

Harlingen Valley Intl

Fri 2/27

7:00 am-9:25 pm

2 stops13h 25m

$390

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 2/25

3:45 pm-9:50 pm

2 stops7h 05m

Harlingen Valley Intl

Sun 3/1

3:30 pm-12:05 am

1 stop7h 35m

$398

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 3/7

5:40 pm-11:55 pm

1 stop7h 15m

Harlingen Valley Intl

Sat 3/14

6:15 pm-12:25 am

1 stop5h 10m

$459

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Tue 2/17

6:07 am-11:24 am

1 stop6h 17m

$139

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Tue 2/17

4:15 pm-10:15 pm

2 stops7h 00m

$169

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Thu 3/26

4:25 pm-12:05 am

2 stops8h 40m

$190

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Thu 3/26

6:05 am-9:09 am

3 stops28h 04m

$538

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Tue 2/17

5:54 pm-10:04 am

3 stops41h 10m

$677

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Compare providers for flights from Baltimore to Harlingen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Harlingen in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Harlingen, Texas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Harlingen, Texas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Harlingen, Texas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Harlingen, Texas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Harlingen, Texas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Baltimore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Harlingen

What is the cheapest month to book a flight from Baltimore to Harlingen, Texas?

Currently, May is the cheapest month in which you can book a flight from Baltimore to Harlingen, Texas (average of $210). Flying from Baltimore to Harlingen, Texas in January is currently the most expensive (average of $422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated February 11, 2026.
Read reviews from past customers who have flown Southwest from Baltimore to Harlingen. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,280 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Baltimore to Harlingen, Texas?

    Departing from Baltimore to Harlingen, Texas will take you 6h 54m. Airlines will cover a distance of 1506 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Baltimore to Harlingen, Texas round-trip?

    Flying on Southwest is currently your cheapest option to Harlingen, Texas, with prices starting at $228. This flight start at 36% lower than the current average price 3 months from now.

  • Can I find deals for flights from Baltimore to Harlingen that include hotel bookings?

    Yes. In addition to deals on Baltimore to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Harlingen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Harlingen.

  • Can I find deals for business class flights from Baltimore to Harlingen?

    Yes. Cheapflights offers flight deals from Baltimore to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Baltimore to Harlingen, Texas?

    Currently, May is the cheapest month in which you can book a flight from Baltimore to Harlingen, Texas (average of $210). Flying from Baltimore to Harlingen, Texas in January is currently the most expensive (average of $422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
Dulles Intl to Hobby flights
Baltimore to Hobby flights
Reagan-National to Hobby flights
Reagan-National to Dallas/Fort Worth flights
Philadelphia to Hobby flights
Dulles Intl to George Bush Intcntl flights
Philadelphia to Dallas/Fort Worth flights
Philadelphia to George Bush Intcntl flights
Reagan-National to George Bush Intcntl flights
Baltimore to George Bush Intcntl flights
Dulles Intl to Austin flights
Baltimore to Austin flights
Reagan-National to Austin flights
Baltimore to Love Field flights
Dulles Intl to Love Field flights
Philadelphia to Love Field flights
Reagan-National to Love Field flights
Dulles Intl to San Antonio flights
Philadelphia to Austin flights
Baltimore to San Antonio flights
Reagan-National to San Antonio flights
Philadelphia to San Antonio flights
Reagan-National to El Paso flights
Dulles Intl to El Paso flights
Baltimore to El Paso flights
Philadelphia to El Paso flights
Dulles Intl to Lubbock flights
Reagan-National to Lubbock flights
Baltimore to Lubbock flights
Baltimore to Laredo flights
Baltimore to Midland flights
Philadelphia to Amarillo flights
Philadelphia to Corpus Christi flights
Baltimore to Corpus Christi flights
Reagan-National to Corpus Christi flights
Dulles Intl to Midland flights
Dulles Intl to Corpus Christi flights
Philadelphia to Brownsville flights
Dulles Intl to McAllen flights
Philadelphia to Harlingen flights
Philadelphia to McAllen flights
Dulles Intl to Amarillo flights
Reagan-National to Midland flights
Philadelphia to Midland flights
Reagan-National to Waco flights
Dulles Intl to Harlingen flights
Philadelphia to Lubbock flights
Dulles Intl to Brownsville flights

Top airline flying from Baltimore to Harlingen

Discover the top airline that operate flights from Baltimore to Harlingen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$228Average$343FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights