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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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — HRL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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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 December 18, 2025.

This Southwest deal was found by Cheapflights users on 12/16. 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.
Sun 12/216:15 amBWI - HRL
1 stop6h 05mSouthwest
Sat 1/103:45 pmHRL - BWI
1 stop5h 00mSouthwest
Deal found 12/16$483
This Southwest deal was found by Cheapflights users on 12/15. 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 12/206:55 pmBWI - HRL
1 stop6h 00mSouthwest
Sat 1/103:45 pmHRL - BWI
1 stop5h 00mSouthwest
Deal found 12/15$503
This Southwest deal was found by Cheapflights users on 12/15. 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.
Fri 12/192:25 pmBWI - HRL
2 stops9h 25mSouthwest
Sat 1/103:45 pmHRL - BWI
1 stop5h 00mSouthwest
Deal found 12/15$508
This Southwest deal was found by Cheapflights users on 12/16. 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.
Mon 12/226:15 pmBWI - HRL
1 stop6h 40mSouthwest
Tue 1/612:15 pmHRL - BWI
1 stop6h 15mSouthwest
Deal found 12/16$514
This Southwest deal was found by Cheapflights users on 12/16. 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.
Fri 12/196:15 amBWI - HRL
1 stop6h 05mSouthwest
Mon 12/225:45 pmHRL - BWI
1 stop6h 10mSouthwest
Deal found 12/16$599
This Southwest deal was found by Cheapflights users on 12/16. 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.
Fri 12/266:00 pmBWI - HRL
2 stops6h 55mSouthwest
Mon 12/295:45 pmHRL - BWI
1 stop6h 10mSouthwest
Deal found 12/16$609

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$299
(Southwest)

One-way from

$139
(Southwest)

Popular in

February

Cheapest in

April

Average price

$501
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. 14% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 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

Fri 3/6

5:45 pm-12:05 am

1 stop7h 20m

Harlingen Valley Intl

Wed 3/11

7:00 am-3:30 pm

1 stop7h 30m

$299

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 2/28

3:55 pm-9:30 pm

1 stop6h 35m

Harlingen Valley Intl

Mon 3/2

6:35 am-3:45 pm

1 stop8h 10m

$313

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 2/27

6:15 am-5:25 pm

1 stop12h 10m

Harlingen Valley Intl

Mon 3/2

6:35 am-3:45 pm

1 stop8h 10m

$334

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 2/14

6:07 am-11:24 am

1 stop6h 17m

Harlingen Valley Intl

Wed 2/18

9:20 am-4:10 pm

1 stop5h 50m

$460

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 2/28

3:55 pm-9:30 pm

1 stop6h 35m

$139

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 2/27

6:15 am-5:25 pm

1 stop12h 10m

$160

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 2/27

6:20 am-9:51 am

3 stops28h 31m

$313

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 2/28

6:20 am-7:58 pm

3 stops14h 38m

$561

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Harlingen, Texas flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 November is currently the most expensive (average of $408). 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 December 18, 2025.

It’s optimal to fly from Baltimore to Harlingen, Texas in the afternoon. By choosing this option you can save up to 8% 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 December 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
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

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
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

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
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

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 7h 20m. Airlines will cover a distance of 1506 mi.

  • 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 44% 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 November is currently the most expensive (average of $408). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$378FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$228Average$341FlexibilityNo cancel feeOn-time63%

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