How long is the flight from Baltimore to Harlingen?

Airlines like United Airlines, Southwest, and Delta fly from Baltimore to Harlingen in about 5h 45m. The time it takes to get you to your destination can typically vary by up to 2h 03m. The distance from Baltimore to Harlingen is about 1506 mi. This flight may include one or multiple stops.

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

Our cheapest airline available from Baltimore to Harlingen is Southwest. Our recent data shows that you can find tickets from as low as $286 on this airline. You may be able to fly from Baltimore to Harlingen for 29% less than the average price by searching for this airline.

In terms of precipitation, rainfall in Harlingen ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen when rainfall is around 1.1 in.

If weather is an important factor for your trip to Harlingen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to Harlingen as you normally would.

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

Most trusted provider : When it comes to deals on Baltimore-Harlingen 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 flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$185+ Cheap Flights from Baltimore to Harlingen

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Cheap flight deals from Baltimore to Harlingen

Cheapest

Best

Last-minute

One-way

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 August 20, 2026.

Sat 9/124:55 pm -

1 stop5h 05m

Sat 9/197:00 am -

1 stop5h 35m

Deal found 8/19

$351

Tue 9/83:04 pm -

1 stop7h 48m

Sat 9/125:05 am -

1 stop5h 41m

Deal found 8/17

$355

Thu 9/2410:10 am -

1 stop8h 05m

Mon 9/2811:55 am -

1 stop6h 40m

Deal found 8/19

$359

Tue 9/82:50 pm -

2 stops8h 00m

Sat 9/1212:35 pm -

1 stop6h 50m

Deal found 8/17

$360

Thu 10/227:25 pm -

2 stops16h 55m

Sun 10/256:25 pm -

1 stop5h 10m

Deal found 8/18

$370

Tue 10/62:15 pm -

1 stop7h 40m

Thu 10/86:20 am -

1 stop5h 45m

Deal found 8/16

$371

Best flights from Baltimore to Harlingen
Discover carefully curated flight deals from Baltimore to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Tue 9/83:04 pm -

1 stop7h 48m

Sat 9/125:05 am -

1 stop5h 41m

Deal found 8/17

$355

Thu 10/227:30 am -

1 stop5h 45m

Sun 10/256:25 pm -

1 stop5h 10m

Deal found 8/18

$359

Thu 11/57:20 am -

1 stop7h 03m

Sun 11/82:13 pm -

1 stop8h 10m

Deal found 8/16

$359

Tue 9/82:50 pm -

2 stops8h 00m

Sat 9/126:05 am -

2 stops9h 55m

Deal found 8/17

$365

Tue 10/62:15 pm -

1 stop7h 40m

Thu 10/86:20 am -

1 stop5h 45m

Deal found 8/16

$371

Fri 10/307:20 am -

1 stop7h 03m

Sun 11/12:13 pm -

1 stop6h 32m

Deal found 8/20

$439

Tue 9/296:05 am -

1 stop8h 18m

Sat 10/32:00 pm -

1 stop7h 34m

Deal found 8/17

$451

Sat 8/292:00 pm -

1 stop7h 55m

Tue 9/1512:35 pm -

1 stop6h 25m

Deal found 8/18

$401

Last-minute flights from Baltimore to Harlingen
Discover last-minute flight deals from Baltimore to Harlingen. Data last updated August 20, 2026 and is based on user searches.

Sat 8/292:00 pm -

1 stop7h 55m

Tue 9/1512:35 pm -

1 stop6h 25m

Deal found 8/18

$401

Tue 9/83:04 pm -

1 stop7h 48m

Sat 9/125:05 am -

1 stop5h 41m

Deal found 8/17

$355

Tue 9/82:50 pm -

2 stops8h 00m

Sat 9/1212:35 pm -

1 stop6h 50m

Deal found 8/17

$360

Sat 9/124:55 pm -

1 stop5h 05m

Sat 9/197:00 am -

1 stop5h 35m

Deal found 8/19

$351

Thu 9/2410:10 am -

1 stop8h 05m

Mon 9/2811:55 am -

1 stop6h 40m

Deal found 8/19

$359

Find flight deals from Baltimore to Harlingen

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$351 (Southwest)
One-way from	$196 (Southwest)
Popular in	May
Cheapest in	September
Average price	$348

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. 1% potential increase in price ($8 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 August 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baltimore to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Tue 9/8

3:04 pm-9:52 pm

1 stop7h 48m

Harlingen Valley Intl

Sat 9/12

5:05 am-11:46 am

1 stop5h 41m

$355

Quickest round-trip

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Thu 10/22

7:30 am-12:15 pm

1 stop5h 45m

Harlingen Valley Intl

Sun 10/25

6:25 pm-12:35 am

1 stop5h 10m

$359

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Thu 11/5

7:20 am-1:23 pm

1 stop7h 03m

Harlingen Valley Intl

Sun 11/8

2:13 pm-11:23 pm

1 stop8h 10m

$359

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Tue 9/8

2:50 pm-9:50 pm

2 stops8h 00m

Harlingen Valley Intl

Sat 9/12

6:05 am-5:00 pm

2 stops9h 55m

$365

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Tue 10/6

2:15 pm-8:55 pm

1 stop7h 40m

Harlingen Valley Intl

Thu 10/8

6:20 am-1:05 pm

1 stop5h 45m

$371

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Sat 8/29

2:00 pm-8:55 pm

1 stop7h 55m

Harlingen Valley Intl

Tue 9/15

12:35 pm-8:00 pm

1 stop6h 25m

$401

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Fri 10/30

7:20 am-1:23 pm

1 stop7h 03m

Harlingen Valley Intl

Sun 11/1

2:13 pm-9:45 pm

1 stop6h 32m

$439

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Tue 9/29

6:05 am-1:23 pm

1 stop8h 18m

Harlingen Valley Intl

Sat 10/3

2:00 pm-10:34 pm

1 stop7h 34m

$451

Cheapest one-way

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Fri 9/18

10:25 am-5:15 pm

2 stops7h 50m

$185

Quickest one-way

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Fri 9/18

1:05 pm-7:39 pm

1 stop7h 34m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Sorted by cheapest first

Compare providers for flights from Baltimore to Harlingen

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Harlingen in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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 flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Harlingen flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Baltimore-Harlingen 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 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.

BWI-HRL

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

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

Airfare is typical for this route at the moment.

Baltimore to Harlingen flights typically cost between $327 and $400 in September.
The cheapest round-trip price found within the last 5 days was $351 on Southwest (Sep 12-Sep 19).

Reviews of airlines servicing Harlingen

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

4,215 reviews

Reviews

1 / 20

10.0

Excellent

David,Aug 2023

BWI - SAN

I am a diabetic so Southwest’s snacks are always a challenge for me. Nuts would be a great option. Thanks

Southwest

8.0

Very good

4,215 reviews

Southwest

8.0

Very good

4,215 reviews

Reviews

1 / 20

10.0

Excellent

David,Aug 2023

BWI - SAN

I am a diabetic so Southwest’s snacks are always a challenge for me. Nuts would be a great option. Thanks

Related info for your journey

How long is the flight from Baltimore to Harlingen?
Airlines like United Airlines, Southwest, and Delta fly from Baltimore to Harlingen in about 5h 45m. The time it takes to get you to your destination can typically vary by up to 2h 03m. The distance from Baltimore to Harlingen is about 1506 mi. This flight may include one or multiple stops.
What is the cheapest airline to fly from Baltimore to Harlingen round-trip?
Our cheapest airline available from Baltimore to Harlingen is Southwest. Our recent data shows that you can find tickets from as low as $286 on this airline. You may be able to fly from Baltimore to Harlingen for 29% less than the average price by searching for this airline.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

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Top airline flying from Baltimore to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$286	Average$366	FlexibilityNo cancel fee	On-time63%

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$185+ Cheap flights from Baltimore to Harlingen (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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Baltimore to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Baltimore to Harlingen

Cheapest flights from Baltimore to HarlingenExplore 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 August 20, 2026.

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 August 20, 2026.

Best flights from Baltimore to HarlingenDiscover carefully curated flight deals from Baltimore to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Discover carefully curated flight deals from Baltimore to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Last-minute flights from Baltimore to HarlingenDiscover last-minute flight deals from Baltimore to Harlingen. Data last updated August 20, 2026 and is based on user searches.

Discover last-minute flight deals from Baltimore to Harlingen. Data last updated August 20, 2026 and is based on user searches.

One-way flights from Baltimore to HarlingenSearch for one-way flight options from Baltimore to Harlingen. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.

Search for one-way flight options from Baltimore to Harlingen. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.

Find flight deals from Baltimore to Harlingen

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baltimore to Harlingen that are best for you.

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 August.

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.

Cheapflights Insights

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

Airfare is typical for this route at the moment.

Baltimore to Harlingen flights typically cost between $327 and $400 in September.The cheapest round-trip price found within the last 5 days was $351 on Southwest (Sep 12-Sep 19).

Reviews of airlines servicing Harlingen

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.

Related info for your journey

How long is the flight from Baltimore to Harlingen?

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

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

How can I find direct flights from Baltimore to Harlingen?

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

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.

Complete your trip

Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Baltimore to Harlingen by cabin class

Find flights from Baltimore to Harlingen, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Harlingen

Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 20, 2026.

Baltimore and Harlingen flights

Browse other Baltimore and Harlingen flight options. Last updated on August 20, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Baltimore to Harlingen

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Book with Flexibility

Travel Smart

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 August 20, 2026.

Best flights from Baltimore to Harlingen
Discover carefully curated flight deals from Baltimore to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Last-minute flights from Baltimore to Harlingen
Discover last-minute flight deals from Baltimore to Harlingen. Data last updated August 20, 2026 and is based on user searches.

One-way flights from Baltimore to Harlingen
Search for one-way flight options from Baltimore to Harlingen. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.

Baltimore to Harlingen flights typically cost between $327 and $400 in September.
The cheapest round-trip price found within the last 5 days was $351 on Southwest (Sep 12-Sep 19).