How long is the flight from Baltimore to Harlingen?

Airlines like United Airlines and Southwest fly from Baltimore to Harlingen in about 5h 20m. The time it takes to get you to your destination can typically vary by up to 3h 05m. 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 $313 on this airline. You may be able to fly from Baltimore to Harlingen for 30% 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Harlingen flight deals on Cheapflights vs. eDreams 90-95% 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 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 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.

$285+ 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 November 8, 2026.

Thu 12/176:25 am -

1 stop6h 55m

Tue 12/223:40 pm -

1 stop8h 00m

Deal found 11/5

$422

Fri 12/1812:30 pm -

1 stop8h 35m

Wed 12/233:40 pm -

1 stop8h 00m

Deal found 11/5

$444

Sun 12/276:20 am -

1 stop11h 50m

Sun 1/101:00 pm -

2 stops6h 35m

Deal found 11/5

$460

Tue 12/295:35 pm -

2 stops7h 35m

Mon 1/44:45 pm -

1 stop6h 55m

Deal found 11/3

$463

Fri 11/206:45 am -

1 stop5h 20m

Tue 11/243:40 pm -

1 stop8h 00m

Deal found 11/5

$469

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 November 8, 2026.

Sat 1/96:00 am -

1 stop8h 25m

Sat 1/169:20 am -

1 stop5h 58m

Deal found 11/5

$369

Sat 1/97:15 am -

1 stop5h 20m

Sat 1/167:30 am -

2 stops9h 10m

Deal found 11/5

$374

Thu 12/176:25 am -

1 stop6h 55m

Tue 12/223:40 pm -

1 stop8h 00m

Deal found 11/5

$422

Fri 12/1812:30 pm -

1 stop8h 35m

Wed 12/233:40 pm -

1 stop8h 00m

Deal found 11/5

$444

Fri 12/46:00 am -

1 stop6h 14m

Tue 12/82:00 pm -

1 stop7h 44m

Deal found 11/5

$489

Tue 12/225:35 pm -

2 stops7h 35m

Sat 12/266:30 am -

1 stop7h 55m

Deal found 11/7

$481

Tue 12/296:20 am -

1 stop11h 50m

Mon 1/44:45 pm -

1 stop6h 55m

Deal found 11/3

$503

Last-minute flights from Baltimore to Harlingen
Discover last-minute flight deals from Baltimore to Harlingen. Data last updated November 8, 2026 and is based on user searches.

Mon 11/236:45 am -

1 stop5h 20m

Fri 11/2711:40 am -

1 stop7h 15m

Deal found 11/7

$459

Thu 12/171:55 pm -

1 stop8h 35m

Thu 12/244:30 pm -

1 stop5h 20m

Deal found 11/7

$399

Thu 12/176:25 am -

1 stop6h 55m

Tue 12/223:40 pm -

1 stop8h 00m

Deal found 11/5

$422

Fri 12/1812:30 pm -

1 stop8h 35m

Wed 12/233:40 pm -

1 stop8h 00m

Deal found 11/5

$444

Sun 12/276:20 am -

1 stop11h 50m

Sun 1/101:00 pm -

2 stops6h 35m

Deal found 11/5

$460

Tue 12/295:35 pm -

2 stops7h 35m

Mon 1/44:45 pm -

1 stop6h 55m

Deal found 11/3

$463

Find flight deals from Baltimore to Harlingen

Most accurate provider	eDreams 2 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$369 (United Airlines)
One-way from	$285 (Southwest)
Popular in	March
Cheapest in	April
Average price	$402

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. 7% potential increase in price ($37 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 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

Quickest round-trip

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Wed 12/23

5:35 pm-12:10 am

2 stops7h 35m

Harlingen Valley Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$285

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Sun 12/27

5:35 pm-12:10 am

2 stops7h 35m

Harlingen Valley Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$295

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Sat 1/9

6:00 am-1:25 pm

1 stop8h 25m

Harlingen Valley Intl

Sat 1/16

9:20 am-4:18 pm

1 stop5h 58m

$369

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Sat 1/9

7:15 am-11:35 am

1 stop5h 20m

Harlingen Valley Intl

Sat 1/16

7:30 am-5:40 pm

2 stops9h 10m

$374

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Thu 12/17

6:25 am-12:20 pm

1 stop6h 55m

Harlingen Valley Intl

Tue 12/22

3:40 pm-12:40 am

1 stop8h 00m

$422

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Fri 12/18

12:30 pm-8:05 pm

1 stop8h 35m

Harlingen Valley Intl

Wed 12/23

3:40 pm-12:40 am

1 stop8h 00m

$444

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Tue 12/22

5:35 pm-12:10 am

2 stops7h 35m

Harlingen Valley Intl

Sat 12/26

6:30 am-3:25 pm

1 stop7h 55m

$481

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Fri 12/4

6:00 am-11:14 am

1 stop6h 14m

Harlingen Valley Intl

Tue 12/8

2:00 pm-10:44 pm

1 stop7h 44m

$489

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Tue 12/29

6:20 am-5:10 pm

1 stop11h 50m

Harlingen Valley Intl

Mon 1/4

4:45 pm-12:40 am

1 stop6h 55m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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 November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Harlingen flight deals on Cheapflights vs. eDreams 90-95% 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 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 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.

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

4,214 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

4,214 reviews

Southwest

8.0

Very good

4,214 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 and Southwest fly from Baltimore to Harlingen in about 5h 20m. The time it takes to get you to your destination can typically vary by up to 3h 05m. 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 $313 on this airline. You may be able to fly from Baltimore to Harlingen for 30% 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$313	Average$435	FlexibilityNo cancel fee	On-time63%

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$285+ Cheap flights from Baltimore to Harlingen (BWI - HRL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. 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 November 8, 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 November 8, 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 November 8, 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 November 8, 2026.

Last-minute flights from Baltimore to HarlingenDiscover last-minute flight deals from Baltimore to Harlingen. Data last updated November 8, 2026 and is based on user searches.

Discover last-minute flight deals from Baltimore to Harlingen. Data last updated November 8, 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 November 8, 2026.

Search for one-way flight options from Baltimore to Harlingen. Find affordable one-way fares based on user searches. Data last updated November 8, 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 November.

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.

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 November 8, 2026.

Baltimore and Harlingen flights

Browse other Baltimore and Harlingen flight options. Last updated on November 8, 2026.

Popular flight searches

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Top airline flying from Baltimore to Harlingen

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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 November 8, 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 November 8, 2026.

Last-minute flights from Baltimore to Harlingen
Discover last-minute flight deals from Baltimore to Harlingen. Data last updated November 8, 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 November 8, 2026.