What airlines fly to Maryland?

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to Maryland from Harlingen according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Maryland. Keep in mind that there are 3 different airlines that fly to Maryland on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Harlingen Valley Intl to Maryland?

United Airlines and Southwest are the most popular carriers operating from Harlingen Valley Intl to Maryland

When did momondo last update prices for flights from Harlingen Valley Intl Airport to Maryland?

Prices for flights from Harlingen Valley Intl Airport to Maryland refresh daily.

How many operators does momondo search for flights from Harlingen Valley Intl Airport to Maryland?

The number of operators available for flights from Harlingen Valley Intl Airport to Maryland is 1 as of October 2026.

How old do you have to be to fly from Harlingen Valley Intl Airport to Maryland?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to Maryland.

What documentation or ID do you need to fly to Maryland?

The necessary travel and health documents for your Maryland 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.

$157 Cheap Flights from Harlingen to Maryland in 2026/27

Find the cheapest flights from Harlingen to Maryland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:05 am - 11:36 amHRL Harlingen Valley Intl-BWI Baltimore/Washington

5h 31m1 stop Houston George Bush Intcntl

4:20 pm - 9:59 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

6h 39m1 stop Houston George Bush Intcntl

$333United Airlines

Thu, Nov 26 - Wed, Dec 2

5:55 am - 2:25 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

7h 30m1 stop Houston Hobby

4:05 pm - 9:50 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

6h 45m2 stops Memphis Houston Hobby

$371Southwest

Thu, Nov 26 - Tue, Dec 1

7:10 am - 7:40 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

11h 30m2 stops Austin Bergstrom Phoenix Sky Harbor Intl

6:40 am - 12:10 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

6h 30m1 stop Houston Hobby

$371Southwest

Thu, Nov 26 - Wed, Dec 2

5:55 am - 2:45 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

7h 50m2 stops Houston Hobby Tampa

4:05 pm - 9:50 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

6h 45m2 stops Memphis Houston Hobby

$376Southwest

Thu, Nov 26 - Wed, Dec 2

5:55 am - 2:50 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

7h 55m2 stops Houston Hobby Nashville Intl

4:05 pm - 9:50 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

6h 45m2 stops Memphis Houston Hobby

$376Southwest

Thu, Nov 26 - Tue, Dec 1

4:30 pm - 10:50 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

5h 20m1 stop Houston Hobby

11:40 am - 4:05 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

5h 25m1 stop Houston Hobby

$379Southwest

Tue, Jan 5 - Tue, Jan 12

4:30 pm - 10:50 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

5h 20m1 stop Houston Hobby

3:40 pm - 10:00 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

7h 20m2 stops Atlanta Hartsfield-Jackson Houston Hobby

$384Southwest

Tue, Jan 5 - Tue, Jan 12

12:50 pm - 9:50 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

8h 00m2 stops Houston Hobby Nashville Intl

10:50 am - 5:00 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

7h 10m2 stops Louisville Intl Dallas Love Field

$399Southwest

Tue, Jan 5 - Tue, Jan 12

3:40 pm - 12:40 amHRL Harlingen Valley Intl-BWI Baltimore/Washington

8h 00m1 stop Houston Hobby

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

5h 20m1 stop Houston Hobby

$409Southwest

Fri, Dec 18 - Mon, Jan 4

2:47 pm - 11:51 pmHRL Harlingen Valley Intl-BWI Baltimore/Washington

8h 04m2 stops Dallas/Fort Worth Chicago O'Hare Intl

4:59 pm - 10:54 pmBWI Baltimore/Washington-HRL Harlingen Valley Intl

6h 55m1 stop Dallas/Fort Worth

$445American Airlines

Tue, Jan 5 - Tue, Jan 12

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American Airlines flights from Harlingen to Maryland

Our best American Airlines deals on Harlingen to Maryland flight tickets

American Airlines

Jan 5

HRL2:47 pmHarlingen Valley Intl

8h 04m

2 stops

BWI11:51 pmBaltimore/Washington

Jan 12

BWI7:23 amBaltimore/Washington

11h 42m

2 stops

HRL6:05 pmHarlingen Valley Intl

$453

American Airlines

Jan 5

HRL7:21 pmHarlingen Valley Intl

26h 24m

1 stop

BWI10:45 pmBaltimore/Washington

Jan 12

BWI4:59 pmBaltimore/Washington

6h 55m

1 stop

HRL10:54 pmHarlingen Valley Intl

$461

American Airlines

Jan 5

HRL7:21 pmHarlingen Valley Intl

26h 24m

1 stop

BWI10:45 pmBaltimore/Washington

Jan 12

BWI4:59 pmBaltimore/Washington

6h 55m

1 stop

HRL10:54 pmHarlingen Valley Intl

$463

Southwest flights from Harlingen to Maryland

Our best Southwest deals on Harlingen to Maryland flight tickets

Southwest

Nov 26

HRL7:10 amHarlingen Valley Intl

11h 30m

2 stops

BWI7:40 pmBaltimore/Washington

Dec 2

BWI6:40 amBaltimore/Washington

6h 30m

1 stop

HRL12:10 pmHarlingen Valley Intl

$371

Southwest

Nov 26

HRL5:55 amHarlingen Valley Intl

7h 55m

2 stops

BWI2:50 pmBaltimore/Washington

Dec 1

BWI4:05 pmBaltimore/Washington

6h 45m

2 stops

HRL9:50 pmHarlingen Valley Intl

$376

Southwest

Jan 5

HRL4:30 pmHarlingen Valley Intl

5h 20m

1 stop

BWI10:50 pmBaltimore/Washington

Jan 12

BWI11:40 amBaltimore/Washington

5h 25m

1 stop

HRL4:05 pmHarlingen Valley Intl

$379

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Thu 11/26

5:05 am-11:36 am

1 stop5h 31m

Baltimore/Washington

Wed 12/2

4:20 pm-9:59 pm

1 stop6h 39m

$333

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Thu 11/26

5:55 am-2:25 pm

1 stop7h 30m

Baltimore/Washington

Tue 12/1

4:05 pm-9:50 pm

2 stops6h 45m

$371

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Thu 11/26

7:10 am-7:40 pm

2 stops11h 30m

Baltimore/Washington

Wed 12/2

6:40 am-12:10 pm

1 stop6h 30m

$371

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Thu 11/26

5:55 am-2:45 pm

2 stops7h 50m

Baltimore/Washington

Wed 12/2

4:05 pm-9:50 pm

2 stops6h 45m

$376

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Thu 11/26

5:55 am-2:50 pm

2 stops7h 55m

Baltimore/Washington

Tue 12/1

4:05 pm-9:50 pm

2 stops6h 45m

$376

Quickest round-trip

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Tue 1/5

4:30 pm-10:50 pm

1 stop5h 20m

Baltimore/Washington

Tue 1/12

11:40 am-4:05 pm

1 stop5h 25m

$379

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Tue 1/5

4:30 pm-10:50 pm

1 stop5h 20m

Baltimore/Washington

Tue 1/12

3:40 pm-10:00 pm

2 stops7h 20m

$384

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Tue 1/5

12:50 pm-9:50 pm

2 stops8h 00m

Baltimore/Washington

Tue 1/12

10:50 am-5:00 pm

2 stops7h 10m

$399

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Fri 12/18

3:40 pm-12:40 am

1 stop8h 00m

Baltimore/Washington

Mon 1/4

6:45 am-11:05 am

1 stop5h 20m

$409

HarlingenBaltimore

HRL Harlingen Valley Intl - BWI Baltimore/Washington

HRLBWI

Harlingen Valley Intl

Tue 1/5

2:47 pm-11:51 pm

2 stops8h 04m

Baltimore/Washington

Tue 1/12

4:59 pm-10:54 pm

1 stop6h 55m

$445

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 Harlingen to Maryland

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 Maryland?

The cheapest month to fly to Maryland from Harlingen is in December. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you don’t want to visit Maryland in December, then you should wait until November to fly from Harlingen, when ticket prices are also cheap, with an average price of $242.

Cheap Harlingen to Maryland flight deals and tips

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

Best Price Found	$157
Fastest flight time	5h 23m
Direct flights	None

The best one-way flight to Maryland from Harlingen in the past 72 hours is $157. The best round-trip flight deal from Harlingen to Maryland found on momondo in the last 72 hours is $333.

The fastest flight from Harlingen to Maryland takes 5h 23m

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

Search flight deals

Frequently asked questions about flying from Harlingen to Maryland

When did momondo last update prices for flights from Harlingen Valley Intl Airport to Maryland?
Prices for flights from Harlingen Valley Intl Airport to Maryland refresh daily.
How many operators does momondo search for flights from Harlingen Valley Intl Airport to Maryland?
The number of operators available for flights from Harlingen Valley Intl Airport to Maryland is 1 as of October 2026.
How old do you have to be to fly from Harlingen Valley Intl Airport to Maryland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to Maryland.
What documentation or ID do you need to fly to Maryland?
The necessary travel and health documents for your Maryland 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.

Best airlines flying from Harlingen to Maryland

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $242	Free Cancellation	Rating 7.9 4,223 reviews		Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Harlingen to Maryland. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Maryland from Harlingen with this policy.

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

Once you have performed a search for Harlingen to Maryland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Maryland from Harlingen. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.