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Harlingen

$145+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — HRL
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(Southwest)

One-way from

$145
(United Airlines)

Popular in

January

Cheapest in

April

Average price

$543
Provider with most accurate pricing for Baltimore/Washington-Harlingen Valley Intl flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Harlingen Valley Intl flights.
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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. 26% potential increase in price ($135 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This Southwest deal was found by Cheapflights users on 1/15. 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 2/74:25 pm
BWI
-
HRL
1 stop6h 05m
Southwest
Wed 2/116:30 am
HRL
-
BWI
1 stop7h 45m
Southwest
Deal found 1/15$289
This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/710:05 am
BWI
-
HRL
2 stops12h 54m
United Airlines
Wed 2/119:20 am
HRL
-
BWI
1 stop5h 46m
United Airlines
Deal found 1/15$294
This Southwest deal was found by Cheapflights users on 1/13. 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
Thu 2/196:35 am
HRL
-
BWI
1 stop8h 10m
Southwest
Deal found 1/13$299
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Fri 8/284:15 pm
BWI
-
HRL
1 stop6h 29m
United Airlines
Sat 8/295:15 am
HRL
-
BWI
2 stops7h 42m
United Airlines
Deal found 1/14$305
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Tue 8/2510:45 am
BWI
-
HRL
2 stops11h 59m
United Airlines
Sat 8/295:15 am
HRL
-
BWI
2 stops7h 42m
United Airlines
Deal found 1/14$310
This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/308:07 am
BWI
-
HRL
1 stop8h 59m
United Airlines
Tue 2/37:00 am
HRL
-
BWI
2 stops13h 21m
United Airlines
Deal found 1/15$332
This Southwest deal was found by Cheapflights users on 1/15. 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.
Thu 4/212:10 pm
BWI
-
HRL
1 stop11h 00m
Southwest
Sat 4/45:10 am
HRL
-
BWI
1 stop7h 00m
Southwest
Deal found 1/15$334
This Southwest deal was found by Cheapflights users on 1/14. 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 8/287:40 am
BWI
-
HRL
2 stops9h 25m
Southwest
Sat 8/296:05 am
HRL
-
BWI
2 stops9h 55m
Southwest
Deal found 1/14$340

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 January 15, 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

Sat 2/7

4:25 pm-9:30 pm

1 stop6h 05m

Harlingen Valley Intl

Wed 2/11

6:30 am-3:15 pm

1 stop7h 45m

$289

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 2/7

10:05 am-9:59 pm

2 stops12h 54m

Harlingen Valley Intl

Wed 2/11

9:20 am-4:06 pm

1 stop5h 46m

$294

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Thu 2/12

6:15 am-11:30 am

1 stop6h 15m

Harlingen Valley Intl

Thu 2/19

6:35 am-3:45 pm

1 stop8h 10m

$299

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 1/30

8:07 am-4:06 pm

1 stop8h 59m

Harlingen Valley Intl

Tue 2/3

7:00 am-9:21 pm

2 stops13h 21m

$332

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Thu 4/2

12:10 pm-10:10 pm

1 stop11h 00m

Harlingen Valley Intl

Sat 4/4

5:10 am-1:10 pm

1 stop7h 00m

$334

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 1/28

3:41 pm-11:21 pm

1 stop8h 40m

Harlingen Valley Intl

Sun 2/1

6:44 pm-9:19 am

2 stops13h 35m

$365

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Sat 3/28

3:50 pm-11:55 pm

2 stops9h 05m

Harlingen Valley Intl

Sun 4/12

6:35 pm-12:45 am

1 stop5h 10m

$378

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 2/25

12:37 pm-7:58 pm

1 stop8h 21m

$145

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 2/25

12:30 pm-10:04 am

3 stops46h 34m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

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 January.
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 January is currently the most expensive (average of $413). 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 January 15, 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
4,258 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

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
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Comfort

8.0

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 05m. 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 40% 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 $413). 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 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$228Average$338FlexibilityNo cancel feeOn-time63%

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