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

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

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.

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 June 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.

$113 Cheap Flights from Harlingen to Maryland in 2026

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.

11:30 am - 8:25 pm

HRL

BWI

7h 55m

1 stop

4:55 pm - 8:55 pm

BWI

HRL

5h 00m

1 stop

$268Southwest

Sat, Aug 29 - Sat, Sep 12

7:00 am - 1:35 pm

HRL

BWI

5h 35m

1 stop

2:20 pm - 8:55 pm

BWI

HRL

7h 35m

2 stops

$274Southwest

Sat, Aug 29 - Sat, Sep 12

6:05 am - 5:00 pm

HRL

BWI

9h 55m

2 stops

2:20 pm - 8:55 pm

BWI

HRL

7h 35m

2 stops

$279Southwest

Sat, Aug 29 - Sat, Sep 12

2:00 pm - 11:29 pm

HRL

DCA

8h 29m

1 stop

6:10 am - 1:31 pm

DCA

HRL

8h 21m

1 stop

$306Delta

Thu, Oct 22 - Thu, Nov 19

7:20 am - 1:57 pm

HRL

DCA

5h 37m

1 stop

2:55 pm - 9:54 pm

DCA

HRL

7h 59m

1 stop

$313United Airlines

Wed, Jul 8 - Tue, Jul 14

11:15 am - 5:55 pm

HRL

BWI

5h 40m

1 stop

6:20 am - 12:05 pm

BWI

HRL

6h 45m

1 stop

$319Southwest

Sat, Jul 4 - Tue, Jul 14

11:15 am - 5:55 pm

HRL

BWI

5h 40m

1 stop

7:00 am - 11:00 am

BWI

HRL

5h 00m

1 stop

$323Southwest

Sat, Jul 4 - Sun, Jul 12

7:15 am - 4:04 pm

HRL

DCA

7h 49m

1 stop

10:58 am - 3:59 pm

DCA

HRL

6h 01m

1 stop

$362United Airlines

Tue, Sep 1 - Wed, Sep 2

10:34 am - 6:27 pm

HRL

IAD

6h 53m

1 stop

7:57 am - 4:58 pm

IAD

HRL

10h 01m

2 stops

$451American Airlines

Sat, Aug 29 - Sat, Sep 12

5:54 am - 5:04 pm

HRL

IAD

10h 10m

2 stops

7:57 am - 4:58 pm

IAD

HRL

10h 01m

2 stops

$523American Airlines

Sat, Aug 29 - Sat, Sep 12

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United Airlines flights from Harlingen to Maryland

Our best United Airlines deals on Harlingen to Maryland flight tickets

United Airlines

Jul 8

HRL7:20 amHarlingen Valley Intl

5h 37m

1 stop

DCA1:57 pmWashington, D.C. Reagan-National

Jul 14

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

7h 59m

1 stop

HRL9:54 pmHarlingen Valley Intl

$313

United Airlines

Sep 1

HRL7:15 amHarlingen Valley Intl

7h 49m

1 stop

DCA4:04 pmWashington, D.C. Reagan-National

Sep 2

DCA10:58 amWashington, D.C. Reagan-National

6h 01m

1 stop

HRL3:59 pmHarlingen Valley Intl

$362

United Airlines

Aug 29

HRL5:18 pmHarlingen Valley Intl

5h 37m

1 stop

IAD11:55 pmWashington, D.C. Dulles Intl

Sep 12

IAD6:30 amWashington, D.C. Dulles Intl

7h 54m

1 stop

HRL1:24 pmHarlingen Valley Intl

$391

American Airlines flights from Harlingen to Maryland

Our best American Airlines deals on Harlingen to Maryland flight tickets

American Airlines

Aug 29

HRL10:34 amHarlingen Valley Intl

6h 53m

1 stop

IAD6:27 pmWashington, D.C. Dulles Intl

Sep 12

IAD7:57 amWashington, D.C. Dulles Intl

10h 01m

2 stops

HRL4:58 pmHarlingen Valley Intl

$451

American Airlines

Jun 13

HRL5:18 pmHarlingen Valley Intl

5h 41m

1 stop

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

Jun 16

DCA8:30 amWashington, D.C. Reagan-National

8h 55m

1 stop

HRL4:25 pmHarlingen Valley Intl

$476

American Airlines

Jul 17

HRL4:58 pmHarlingen Valley Intl

6h 01m

1 stop

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

Jul 21

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

9h 16m

2 stops

HRL8:12 pmHarlingen Valley Intl

$516

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 8/29

11:30 am-8:25 pm

1 stop7h 55m

Baltimore/Washington

Sat 9/12

4:55 pm-8:55 pm

1 stop5h 00m

$268

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 8/29

7:00 am-1:35 pm

1 stop5h 35m

Baltimore/Washington

Sat 9/12

2:20 pm-8:55 pm

2 stops7h 35m

$274

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 8/29

6:05 am-5:00 pm

2 stops9h 55m

Baltimore/Washington

Sat 9/12

2:20 pm-8:55 pm

2 stops7h 35m

$279

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Thu 10/22

2:00 pm-11:29 pm

1 stop8h 29m

Washington, D.C. Reagan-National

Thu 11/19

6:10 am-1:31 pm

1 stop8h 21m

$306

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Wed 7/8

7:20 am-1:57 pm

1 stop5h 37m

Washington, D.C. Reagan-National

Tue 7/14

2:55 pm-9:54 pm

1 stop7h 59m

$313

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 7/4

11:15 am-5:55 pm

1 stop5h 40m

Baltimore/Washington

Tue 7/14

6:20 am-12:05 pm

1 stop6h 45m

$319

Quickest round-trip

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 7/4

11:15 am-5:55 pm

1 stop5h 40m

Baltimore/Washington

Sun 7/12

7:00 am-11:00 am

1 stop5h 00m

$323

HarlingenWashington, D.C.

HRL - DCA

HRLDCA

Harlingen Valley Intl

Tue 9/1

7:15 am-4:04 pm

1 stop7h 49m

Washington, D.C. Reagan-National

Wed 9/2

10:58 am-3:59 pm

1 stop6h 01m

$362

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Sat 8/29

10:34 am-6:27 pm

1 stop6h 53m

Washington, D.C. Dulles Intl

Sat 9/12

7:57 am-4:58 pm

2 stops10h 01m

$451

HarlingenWashington, D.C.

HRL - IAD

HRLIAD

Harlingen Valley Intl

Sat 8/29

5:54 am-5:04 pm

2 stops10h 10m

Washington, D.C. Dulles Intl

Sat 9/12

7:57 am-4:58 pm

2 stops10h 01m

$523

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 October to fly from Harlingen, when ticket prices are also cheap, with an average price of $0.

Can stopping save me money on Harlingen to Maryland flights?

You could potentially save up to 44% 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 00m
Direct flights	None

The fastest flight from Harlingen to Maryland takes 5h 00m

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 June 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 7.9 4,235 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.