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$141+ Cheap flights from Harlingen, TX to Baltimore (HRL - BWI)

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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — BWI
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap flight deals from Harlingen to Baltimore

Cheapest flights from Harlingen to Baltimore
Explore the most affordable flight options available from Harlingen to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.

This Southwest deal was found by Cheapflights users on 3/9. 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 4/3012:30 pm
HRL
-
BWI
2 stops7h 15m
Southwest
Sun 5/37:10 am
BWI
-
HRL
1 stop5h 10m
Southwest
Deal found 3/9$262
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:02 pm
HRL
-
BWI
1 stop6h 24m
Delta
Sun 5/36:08 am
BWI
-
HRL
1 stop9h 57m
Delta
Deal found 3/9$277
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:02 pm
HRL
-
BWI
1 stop6h 24m
Delta
Mon 5/46:08 am
BWI
-
HRL
1 stop9h 57m
Delta
Deal found 3/9$308
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:18 pm
HRL
-
BWI
1 stop6h 00m
American Airlines
Tue 7/147:16 pm
BWI
-
HRL
1 stop5h 58m
American Airlines
Deal found 3/9$311
This Southwest deal was found by Cheapflights users on 3/7. 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.
Thu 4/3012:30 pm
HRL
-
BWI
1 stop7h 55m
Southwest
Mon 5/46:45 pm
BWI
-
HRL
1 stop5h 15m
Southwest
Deal found 3/7$314
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
HRL
-
BWI
1 stop8h 24m
United Airlines
Wed 4/298:10 am
BWI
-
HRL
1 stop8h 54m
United Airlines
Deal found 3/8$347

Find flight deals from Harlingen to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Baltimore (BWI). 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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$262
(Southwest)

One-way from

$141
(Southwest)

Popular in

April

Cheapest in

August

Average price

$358
Provider with most accurate pricing for Harlingen Valley Intl-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harlingen Valley Intl-Baltimore/Washington flights.
Search Deals
From Harlingen Valley Intl to Baltimore/Washington
Search Deals
One-way flight from Harlingen Valley Intl to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Baltimore 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 March 12, 2026.
Use the filters below to find and compare flights from Harlingen to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Thu 4/30

4:02 pm-11:26 pm

1 stop6h 24m

Baltimore/Washington

Mon 5/4

6:08 am-3:05 pm

1 stop9h 57m

$308

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Thu 4/30

12:30 pm-8:45 pm

2 stops7h 15m

Baltimore/Washington

Mon 5/4

6:45 pm-11:00 pm

1 stop5h 15m

$317

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Tue 4/28

9:20 am-4:24 pm

1 stop6h 04m

Baltimore/Washington

Wed 4/29

8:10 am-4:04 pm

1 stop8h 54m

$347
Quickest round-trip

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Wed 6/10

5:10 am-11:47 am

1 stop5h 37m

Baltimore/Washington

Wed 6/17

3:03 pm-7:49 pm

1 stop5h 46m

$347
Cheapest one-way

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Mon 4/13

5:00 pm-11:30 pm

1 stop5h 30m

$141

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Thu 5/7

6:55 am-6:50 pm

1 stop10h 55m

$161
Quickest one-way

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Fri 5/8

6:00 am-12:05 pm

1 stop5h 05m

$175

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Fri 5/8

7:00 am-11:36 am

1 stop27h 36m

$308

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Mon 4/13

10:58 am-11:19 am

3 stops47h 21m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Sorted by cheapest first

Compare providers for flights from Harlingen to Baltimore

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 Harlingen to Baltimore in March.
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 Harlingen, Texas-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen, Texas-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen, Texas-Baltimore 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 Harlingen, Texas-Baltimore 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 Harlingen to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Harlingen 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 Harlingen to Baltimore

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

Currently, August is the cheapest month in which you can book a flight from Harlingen, Texas to Baltimore (average of $155). Flying from Harlingen, Texas to Baltimore in December is currently the most expensive (average of $549). 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.

How much does it cost to fly round-trip from Harlingen, Texas to Baltimore?

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated March 12, 2026.
Peruse reviews from past customers who have flown with Southwest and United Airlines from Harlingen to Baltimore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,319 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Southwest
8.0
Very good
4,319 reviews
Southwest
8.0
Very good
4,319 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
United Airlines
7.4
Good
9,418 reviews
Southwest
8.0
Very good
4,319 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Baltimore. 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 Harlingen, Texas to Baltimore?

    A quick flight from Harlingen, Texas to Baltimore can take about 6h 04m. Delta provides one of the quickest options available for as low as $347. The distance from Harlingen, Texas to Baltimore is about 1506 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Our cheapest airline available from Harlingen, Texas to Baltimore is Southwest. Our recent data shows that you can find tickets from as low as $155 on this airline. An additional option worth looking into is United Airlines, starting at $279. These flights start at 51% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Harlingen to Baltimore 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 Harlingen, Texas to Baltimore?

    Currently, August is the cheapest month in which you can book a flight from Harlingen, Texas to Baltimore (average of $155). Flying from Harlingen, Texas to Baltimore in December is currently the most expensive (average of $549). 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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Alternative routes for Harlingen to Baltimore

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Top 2 airlines flying from Harlingen to Baltimore

Discover the top 2 airlines that operate flights from Harlingen to Baltimore. 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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$155Average$358FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$279Average$355FlexibilityNo cancel feeOn-time69%

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