What airlines fly to Maryland?

United Airlines, American Airlines and Southwest 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 43% 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, Southwest, and Delta 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 2 as of April 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.

$179 Cheap Flights from Harlingen to Maryland in 2026

1 adult

0 bags

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.

5:10 am - 11:47 am

HRL

BWI

5h 37m

1 stop

3:03 pm - 9:54 pm

BWI

HRL

7h 51m

1 stop

$277United Airlines

Wed, Jun 10 - Wed, Jun 24

5:10 am - 11:56 am

HRL

DCA

5h 46m

1 stop

2:55 pm - 9:54 pm

DCA

HRL

7h 59m

1 stop

$289United Airlines

Wed, Jun 10 - Wed, Jun 24

10:50 am - 6:55 pm

HRL

BWI

7h 05m

1 stop

8:10 am - 1:30 pm

BWI

HRL

6h 20m

1 stop

$307Southwest

Wed, Jun 10 - Wed, Jul 1

5:20 pm - 12:31 am

HRL

IAD

6h 11m

1 stop

2:53 pm - 9:54 pm

IAD

HRL

8h 01m

1 stop

$309United Airlines

Wed, Jun 10 - Wed, Jun 24

5:00 pm - 11:25 pm

HRL

BWI

5h 25m

1 stop

7:00 am - 1:30 pm

BWI

HRL

7h 30m

2 stops

$312Southwest

Wed, Jun 10 - Wed, Jul 1

10:50 am - 8:15 pm

HRL

BWI

8h 25m

2 stops

7:00 am - 1:30 pm

BWI

HRL

7h 30m

2 stops

$317Southwest

Wed, Jun 10 - Wed, Jun 24

4:02 pm - 11:43 pm

HRL

DCA

6h 41m

1 stop

6:00 am - 3:05 pm

DCA

HRL

10h 05m

2 stops

$375Delta

Fri, May 1 - Tue, May 5

2:47 pm - 11:59 pm

HRL

DCA

8h 12m

2 stops

6:42 am - 2:17 pm

DCA

HRL

8h 35m

2 stops

$391American Airlines

Fri, May 1 - Tue, May 5

4:02 pm - 11:43 pm

HRL

DCA

6h 41m

1 stop

6:05 am - 3:05 pm

DCA

HRL

10h 00m

1 stop

$409Delta

Sun, May 3 - Mon, May 4

2:47 pm - 11:26 pm

HRL

IAD

7h 39m

1 stop

6:25 am - 2:21 pm

IAD

HRL

8h 56m

2 stops

$441American Airlines

Sat, Apr 25 - Thu, May 7

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United Airlines flights from Harlingen to Maryland

Our best United Airlines deals on Harlingen to Maryland flight tickets

United Airlines

Jun 10

HRL5:10 amHarlingen Valley Intl

5h 37m

1 stop

BWI11:47 amBaltimore/Washington

Jun 24

BWI3:03 pmBaltimore/Washington

7h 51m

1 stop

HRL9:54 pmHarlingen Valley Intl

$277

United Airlines

Jun 10

HRL5:10 amHarlingen Valley Intl

5h 46m

1 stop

DCA11:56 amWashington, D.C. Reagan-National

Jun 24

DCA2:55 pmWashington, D.C. Reagan-National

7h 59m

1 stop

HRL9:54 pmHarlingen Valley Intl

$289

United Airlines

Sep 1

HRL5:15 amHarlingen Valley Intl

5h 13m

1 stop

IAD11:28 amWashington, D.C. Dulles Intl

Sep 2

IAD3:02 pmWashington, D.C. Dulles Intl

5h 27m

1 stop

HRL7:29 pmHarlingen Valley Intl

$307

American Airlines flights from Harlingen to Maryland

Our best American Airlines deals on Harlingen to Maryland flight tickets

American Airlines

May 23

HRL5:18 pmHarlingen Valley Intl

6h 00m

1 stop

BWI12:18 amBaltimore/Washington

May 29

BWI7:10 pmBaltimore/Washington

6h 04m

1 stop

HRL12:14 amHarlingen Valley Intl

$336

American Airlines

May 1

HRL2:47 pmHarlingen Valley Intl

8h 12m

2 stops

DCA11:59 pmWashington, D.C. Reagan-National

May 5

DCA6:42 amWashington, D.C. Reagan-National

8h 35m

2 stops

HRL2:17 pmHarlingen Valley Intl

$391

American Airlines

May 16

HRL2:51 pmHarlingen Valley Intl

8h 04m

2 stops

DCA11:55 pmWashington, D.C. Reagan-National

May 24

DCA5:00 amWashington, D.C. Reagan-National

6h 13m

1 stop

HRL10:13 amHarlingen Valley Intl

$410

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Wed 6/10

5:10 am-11:47 am

1 stop5h 37m

Baltimore/Washington

Wed 6/24

3:03 pm-9:54 pm

1 stop7h 51m

$277

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Wed 6/10

5:10 am-11:56 am

1 stop5h 46m

Washington, D.C. Reagan-National

Wed 6/24

2:55 pm-9:54 pm

1 stop7h 59m

$289

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Wed 6/10

10:50 am-6:55 pm

1 stop7h 05m

Baltimore/Washington

Wed 7/1

8:10 am-1:30 pm

1 stop6h 20m

$307

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Wed 6/10

5:20 pm-12:31 am

1 stop6h 11m

Washington, D.C. Dulles Intl

Wed 6/24

2:53 pm-9:54 pm

1 stop8h 01m

$309

Quickest round-trip

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Wed 6/10

5:00 pm-11:25 pm

1 stop5h 25m

Baltimore/Washington

Wed 7/1

7:00 am-1:30 pm

2 stops7h 30m

$312

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Wed 6/10

10:50 am-8:15 pm

2 stops8h 25m

Baltimore/Washington

Wed 6/24

7:00 am-1:30 pm

2 stops7h 30m

$317

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 5/1

4:02 pm-11:43 pm

1 stop6h 41m

Washington, D.C. Reagan-National

Tue 5/5

6:00 am-3:05 pm

2 stops10h 05m

$375

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Fri 5/1

2:47 pm-11:59 pm

2 stops8h 12m

Washington, D.C. Reagan-National

Tue 5/5

6:42 am-2:17 pm

2 stops8h 35m

$391

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Sun 5/3

4:02 pm-11:43 pm

1 stop6h 41m

Washington, D.C. Reagan-National

Mon 5/4

6:05 am-3:05 pm

1 stop10h 00m

$409

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Sat 4/25

2:47 pm-11:26 pm

1 stop7h 39m

Washington, D.C. Dulles Intl

Thu 5/7

6:25 am-2:21 pm

2 stops8h 56m

$441

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

Can stopping save me money on Harlingen to Maryland flights?

You could potentially save up to 48% on your flight if you consider stops on a Harlingen to Maryland flight.

Cheap Harlingen to Maryland flight deals and tips

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

Fastest flight time	5h 10m
Direct flights	None

The fastest flight from Harlingen to Maryland takes 5h 10m

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 2 as of April 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 $155	Free Cancellation	Rating 8.0 4,331 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.