What airlines fly to Harlingen?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Harlingen from Baltimore according to our data. United Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Harlingen. Keep in mind that there are 3 different airlines that fly to Harlingen on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Baltimore/Washington to Harlingen Valley Intl?

Southwest and United Airlines are the most popular carriers operating from Baltimore/Washington to Harlingen Valley Intl

When did momondo last update prices for flights from Baltimore/Washington Airport to Harlingen Valley Intl Airport?

Prices for flights from Baltimore/Washington Airport to Harlingen Valley Intl Airport refresh daily.

How many operators does momondo search for flights from Baltimore/Washington Airport to Harlingen Valley Intl Airport?

As of August 2026, there is 1 operator available to choose from for flights from Baltimore/Washington Airport to Harlingen Valley Intl Airport.

How old do you have to be to fly from Baltimore/Washington Airport to Harlingen Valley Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Harlingen Valley Intl Airport.

What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

The necessary travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$159 Cheap Flights from Baltimore to Harlingen in 2026

Find the cheapest flights from Baltimore to Harlingen

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:00 am - 3:50 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

5h 50m1 stop Houston Hobby

7:25 am - 3:25 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

7h 00m1 stop Houston Hobby

$317Southwest

Wed, Sep 23 - Wed, Sep 30

12:50 pm - 8:15 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

8h 25m1 stop Austin Bergstrom

7:25 am - 5:05 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

8h 40m2 stops Houston Hobby Nashville Intl

$322Southwest

Wed, Sep 23 - Wed, Sep 30

8:15 am - 2:50 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

7h 35m2 stops Charleston Dallas Love Field

7:25 am - 5:05 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

8h 40m2 stops Houston Hobby Nashville Intl

$327Southwest

Wed, Sep 23 - Wed, Sep 30

7:20 am - 1:23 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

7h 03m1 stop Minneapolis St Paul

2:13 pm - 9:45 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

6h 32m1 stop Minneapolis St Paul

$353Delta

Fri, Oct 30 - Sun, Nov 1

6:45 am - 11:05 amBWI Baltimore/Washington-HRL Harlingen Valley Intl

5h 20m1 stop Houston Hobby

3:50 pm - 10:10 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

5h 20m1 stop Houston Hobby

$355Southwest

Fri, Nov 6 - Sat, Nov 14

2:20 pm - 7:30 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

6h 10m1 stop Austin Bergstrom

1:50 pm - 9:20 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

6h 30m1 stop Dallas Love Field

$355Southwest

Sat, Oct 10 - Mon, Oct 19

7:20 am - 1:23 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

7h 03m1 stop Minneapolis St Paul

2:13 pm - 9:45 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

6h 32m1 stop Minneapolis St Paul

$359Delta

Fri, Oct 30 - Sun, Nov 1

2:20 pm - 9:00 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

7h 40m2 stops Dallas Love Field Houston Hobby

1:50 pm - 9:20 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

6h 30m1 stop Dallas Love Field

$360Southwest

Sat, Oct 10 - Mon, Oct 19

1:35 pm - 9:25 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

8h 50m2 stops Denver Intl Austin Bergstrom

3:50 pm - 10:10 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

5h 20m1 stop Houston Hobby

$360Southwest

Fri, Nov 6 - Sat, Nov 14

4:20 pm - 11:30 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

8h 10m2 stops Atlanta Hartsfield-Jackson Houston Hobby

6:40 am - 4:10 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

8h 30m2 stops Houston Hobby Chicago Midway

$365Southwest

Fri, Nov 6 - Sat, Nov 14

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American Airlines flights from Baltimore to Harlingen

Our best American Airlines deals on Baltimore to Harlingen flight tickets

American Airlines

Nov 5

BWI3:57 pmBaltimore/Washington

8h 02m

1 stop

HRL10:59 pmHarlingen Valley Intl

Nov 8

HRL2:26 pmHarlingen Valley Intl

7h 27m

1 stop

BWI10:53 pmBaltimore/Washington

$547

American Airlines

Nov 5

BWI5:00 amBaltimore/Washington

9h 56m

2 stops

HRL1:56 pmHarlingen Valley Intl

Nov 8

HRL2:26 pmHarlingen Valley Intl

7h 27m

1 stop

BWI10:53 pmBaltimore/Washington

$593

American Airlines

Dec 20

BWI7:00 amBaltimore/Washington

8h 17m

1 stop

HRL2:17 pmHarlingen Valley Intl

Jan 2

HRL2:09 pmHarlingen Valley Intl

8h 50m

1 stop

BWI11:59 pmBaltimore/Washington

$879

Southwest flights from Baltimore to Harlingen

Our best Southwest deals on Baltimore to Harlingen flight tickets

Southwest

Sep 23

BWI11:00 amBaltimore/Washington

5h 50m

1 stop

HRL3:50 pmHarlingen Valley Intl

Sep 30

HRL7:25 amHarlingen Valley Intl

7h 00m

1 stop

BWI3:25 pmBaltimore/Washington

$317

Southwest

Sep 23

BWI12:50 pmBaltimore/Washington

8h 25m

1 stop

HRL8:15 pmHarlingen Valley Intl

Sep 30

HRL7:25 amHarlingen Valley Intl

8h 40m

2 stops

BWI5:05 pmBaltimore/Washington

$322

Southwest

Sep 23

BWI8:15 amBaltimore/Washington

7h 35m

2 stops

HRL2:50 pmHarlingen Valley Intl

Sep 30

HRL7:25 amHarlingen Valley Intl

8h 40m

2 stops

BWI5:05 pmBaltimore/Washington

$327

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Wed 9/23

11:00 am-3:50 pm

1 stop5h 50m

Harlingen Valley Intl

Wed 9/30

7:25 am-3:25 pm

1 stop7h 00m

$317

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Wed 9/23

12:50 pm-8:15 pm

1 stop8h 25m

Harlingen Valley Intl

Wed 9/30

7:25 am-5:05 pm

2 stops8h 40m

$322

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Wed 9/23

8:15 am-2:50 pm

2 stops7h 35m

Harlingen Valley Intl

Wed 9/30

7:25 am-5:05 pm

2 stops8h 40m

$327

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

$353

Quickest round-trip

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Fri 11/6

6:45 am-11:05 am

1 stop5h 20m

Harlingen Valley Intl

Sat 11/14

3:50 pm-10:10 pm

1 stop5h 20m

$355

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Sat 10/10

2:20 pm-7:30 pm

1 stop6h 10m

Harlingen Valley Intl

Mon 10/19

1:50 pm-9:20 pm

1 stop6h 30m

$355

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

$359

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Sat 10/10

2:20 pm-9:00 pm

2 stops7h 40m

Harlingen Valley Intl

Mon 10/19

1:50 pm-9:20 pm

1 stop6h 30m

$360

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Fri 11/6

1:35 pm-9:25 pm

2 stops8h 50m

Harlingen Valley Intl

Sat 11/14

3:50 pm-10:10 pm

1 stop5h 20m

$360

BaltimoreHarlingen

BWI Baltimore/Washington - HRL Harlingen Valley Intl

BWIHRL

Baltimore/Washington

Fri 11/6

4:20 pm-11:30 pm

2 stops8h 10m

Harlingen Valley Intl

Sat 11/14

6:40 am-4:10 pm

2 stops8h 30m

$365

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Baltimore to Harlingen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Harlingen?

If you aren’t able to travel during the month of January, then book flights to Harlingen from Baltimore during September instead. Flights to Harlingen in September, while not as cheap as those in January, still average around $306.

When to book flights from Baltimore to Harlingen

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Harlingen according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Baltimore to Harlingen (BWI to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Harlingen

Best Price Found	$159
Fastest flight time	6h 45m
Direct flights	None

The best one-way flight to Harlingen from Baltimore in the past 72 hours is $159. The best round-trip flight deal from Baltimore to Harlingen found on momondo in the last 72 hours is $317.

The fastest flight from Baltimore to Harlingen takes 6h 45m

There are no direct flights from Baltimore to Harlingen. There are no popular flight routes from Baltimore to Harlingen.

Search flight deals

Frequently asked questions about flying from Baltimore to Harlingen

How far is Baltimore/Washington to Harlingen Valley Intl by plane?
Baltimore/Washington and Harlingen Valley Intl are 1515.8 mi apart from one another. Typically, this will take 6h 45m by plane in normal conditions.
When did momondo last update prices for flights from Baltimore/Washington Airport to Harlingen Valley Intl Airport?
Prices for flights from Baltimore/Washington Airport to Harlingen Valley Intl Airport refresh daily.
How many operators does momondo search for flights from Baltimore/Washington Airport to Harlingen Valley Intl Airport?
As of August 2026, there is 1 operator available to choose from for flights from Baltimore/Washington Airport to Harlingen Valley Intl Airport.
How old do you have to be to fly from Baltimore/Washington Airport to Harlingen Valley Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Harlingen Valley Intl Airport.
What documentation or ID do you need to fly to Harlingen Valley Intl Airport?
The necessary travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Baltimore to Harlingen?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Baltimore to Harlingen is Southwest (100% of total bookings).

Best airlines flying from Baltimore to Harlingen

Compare and see reviews for airlines that fly from Baltimore to Harlingen with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $286	Free Cancellation	Rating 8.0 4,199 reviews		Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Harlingen?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Baltimore to Harlingen for you.

Can I find flights from Baltimore to Harlingen with flexible booking policies on momondo?

All flight searches from Baltimore to Harlingen on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Baltimore to Harlingen?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Baltimore to Harlingen.

I’m not ready to book a flight from Baltimore to Harlingen right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Harlingen, momondo offers a useful price alert feature which will track prices for flights to Harlingen from Baltimore and alert you when they change.

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Cheap flights from Baltimore to Harlingen from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Harlingen departing on 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Baltimore to Harlingen

Our best American Airlines deals on Baltimore to Harlingen flight tickets

Southwest flights from Baltimore to Harlingen

Our best Southwest deals on Baltimore to Harlingen flight tickets

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How to get the cheapest flight ticket from Baltimore to Harlingen

What is the cheapest month to fly to Harlingen?

What is the cheapest airline that flies from Baltimore/Washington to Harlingen Valley Intl?

What airlines fly to Harlingen?

When to book flights from Baltimore to Harlingen

Cheap Baltimore to Harlingen (BWI to HRL) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Baltimore to Harlingen

Best airlines flying from Baltimore to Harlingen

Compare and see reviews for airlines that fly from Baltimore to Harlingen with momondo

Why use momondo?

An easier way to manage your Harlingen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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List of cabin classes available on flights landing in Harlingen. Availability may vary depending on flight origin and airline.

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