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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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — HRL
Oct 18 — Oct 251
Sat 10/18
Sat 10/25
1 adult, Economy
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Cheap 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 September 18, 2025.

Round-trip from

$283
(Delta)

One-way from

$139
(American Airlines)

Popular in

February

Cheapest in

April

Average price

$327
From Baltimore/Washington to Harlingen Valley Intl
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One-way flight from Baltimore/Washington to Harlingen Valley Intl
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Highest demand for flights based on searches. 16% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 18, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:00 amBWI - HRL
1 stop9h 43mDelta
Fri 10/313:39 pmHRL - BWI
1 stop7h 10mDelta
Deal found 9/16$283
This Southwest deal was found by Cheapflights users on 9/16. 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 10/810:30 amBWI - HRL
1 stop5h 35mSouthwest
Wed 11/56:40 amHRL - BWI
1 stop7h 30mSouthwest
Deal found 9/16$291
This Southwest deal was found by Cheapflights users on 9/16. 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 10/305:40 pmBWI - HRL
2 stops6h 50mSouthwest
Sun 11/25:45 amHRL - BWI
1 stop7h 10mSouthwest
Deal found 9/16$328
This Southwest deal was found by Cheapflights users on 9/16. 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 10/251:55 pmBWI - HRL
2 stops8h 30mSouthwest
Fri 10/316:30 amHRL - BWI
2 stops8h 25mSouthwest
Deal found 9/16$335
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/110:51 amBWI - HRL
2 stops13h 27mUnited Airlines
Sun 10/55:00 amHRL - BWI
1 stop5h 56mUnited Airlines
Deal found 9/16$354
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:41 amBWI - HRL
1 stop8h 38mAmerican Airlines
Sun 10/55:45 amHRL - BWI
1 stop6h 00mAmerican Airlines
Deal found 9/16$383
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/184:15 pmBWI - HRL
1 stop6h 01mUnited Airlines
Sun 10/195:00 amHRL - BWI
1 stop5h 56mUnited Airlines
Deal found 9/17$435
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/226:00 amBWI - HRL
1 stop5h 59mUnited Airlines
Thu 11/277:00 amHRL - BWI
1 stop8h 02mUnited Airlines
Deal found 9/16$468

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 September 18, 2025.
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

Sat 10/25

6:00 am-2:43 pm

2 stops9h 43m

Harlingen Valley Intl

Fri 10/31

3:39 pm-11:49 pm

1 stop7h 10m

$288

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 10/8

10:30 am-3:05 pm

1 stop5h 35m

Harlingen Valley Intl

Wed 11/5

6:40 am-3:10 pm

1 stop7h 30m

$291

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Thu 10/30

5:40 pm-11:30 pm

2 stops6h 50m

Harlingen Valley Intl

Sun 11/2

5:45 am-1:55 pm

1 stop7h 10m

$328

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 10/25

1:55 pm-9:25 pm

2 stops8h 30m

Harlingen Valley Intl

Fri 10/31

6:30 am-3:55 pm

2 stops8h 25m

$335

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 10/1

10:51 am-11:18 pm

2 stops13h 27m

Harlingen Valley Intl

Sun 10/5

5:00 am-11:56 am

1 stop5h 56m

$354

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 10/18

4:15 pm-9:16 pm

1 stop6h 01m

Harlingen Valley Intl

Sun 10/19

5:00 am-11:56 am

1 stop5h 56m

$435

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 11/22

6:00 am-10:59 am

1 stop5h 59m

Harlingen Valley Intl

Thu 11/27

7:00 am-4:02 pm

1 stop8h 02m

$468

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 10/15

6:00 am-2:43 pm

1 stop9h 43m

Harlingen Valley Intl

Sat 10/18

3:39 pm-11:49 pm

1 stop7h 10m

$479

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 9/26

6:41 am-2:19 pm

1 stop8h 38m

$139

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 9/26

6:29 am-4:13 pm

2 stops10h 44m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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, April is the cheapest month in which you can book a flight from Baltimore to Harlingen, Texas (average of $267). Flying from Baltimore to Harlingen, Texas in June is currently the most expensive (average of $382). 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.

What is the cheapest time of day to fly from BWI to HRL?

Find hourly flight availability from Baltimore to Harlingen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 18, 2025.

It’s optimal to fly from Baltimore to Harlingen, Texas in the afternoon. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the morning.

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 September 18, 2025.
Read reviews from past customers who have flown Southwest and American Airlines 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
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

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
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

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 5h 35m. Airlines will cover a distance of 1506 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Baltimore to Harlingen, Texas round-trip?

    Flying on American Airlines is currently your cheapest option to Harlingen, Texas, with prices starting at $210. Another option worth looking into is Southwest, starting at $228 round trip. These flights start at 42% 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, April is the cheapest month in which you can book a flight from Baltimore to Harlingen, Texas (average of $267). Flying from Baltimore to Harlingen, Texas in June is currently the most expensive (average of $382). 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

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Top 2 airlines flying from Baltimore to Harlingen

Discover the top 2 airlines 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 September 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$378FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$228Average$346FlexibilityNo cancel feeOn-time63%

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