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Cheap flights from Harlingen to Washington, D.C. from $167

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen to Washington, D.C. departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from Harlingen to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
12:35 pm - 7:55 pm
HRL
-
BWI
6h 20m
1 stop
Southwest Logo
6:35 am - 12:30 pm
BWI
-
HRL
6h 55m
1 stop
$317Southwest
Wed, Sep 30 - Mon, Oct 5
Southwest Logo
7:25 am - 5:25 pm
HRL
-
BWI
9h 00m
2 stops
Southwest Logo
6:35 am - 12:30 pm
BWI
-
HRL
6h 55m
1 stop
$322Southwest
Wed, Sep 30 - Mon, Oct 5
Southwest Logo
7:25 am - 5:25 pm
HRL
-
BWI
9h 00m
2 stops
Southwest Logo
5:15 pm - 11:40 pm
BWI
-
HRL
7h 25m
2 stops
$327Southwest
Wed, Sep 30 - Mon, Oct 5
American Airlines Logo
5:18 pm - 12:18 am
HRL
-
BWI
6h 00m
1 stop
American Airlines Logo
7:10 pm - 12:14 am
BWI
-
HRL
6h 04m
1 stop
$329American Airlines
Sat, May 23 - Fri, May 29
Southwest Logo
5:10 pm - 12:30 am
HRL
-
BWI
6h 20m
1 stop
Southwest Logo
6:35 am - 1:40 pm
BWI
-
HRL
8h 05m
1 stop
$343Southwest
Sat, Jul 25 - Sun, Aug 9
Southwest Logo
11:25 am - 6:55 pm
HRL
-
BWI
6h 30m
2 stops
Southwest Logo
6:35 am - 1:40 pm
BWI
-
HRL
8h 05m
1 stop
$348Southwest
Sat, Jul 25 - Sun, Aug 9
Southwest Logo
11:25 am - 9:30 pm
HRL
-
BWI
9h 05m
2 stops
Southwest Logo
6:45 am - 1:40 pm
BWI
-
HRL
7h 55m
2 stops
$369Southwest
Sat, Jul 25 - Sun, Aug 9
American Airlines Logo
5:18 pm - 12:18 am
HRL
-
BWI
6h 00m
1 stop
American Airlines Logo
7:10 pm - 12:14 am
BWI
-
HRL
6h 04m
1 stop
$376American Airlines
Sat, May 23 - Fri, May 29
United Airlines Logo
5:15 am - 11:45 am
HRL
-
BWI
5h 30m
1 stop
United Airlines Logo
12:55 pm - 7:29 pm
BWI
-
HRL
7h 34m
1 stop
$377United Airlines
Tue, Aug 11 - Wed, Aug 12
United Airlines Logo
2:00 pm - 12:43 am
HRL
-
BWI
9h 43m
2 stops
United Airlines Logo
12:55 pm - 7:29 pm
BWI
-
HRL
7h 34m
1 stop
$382United Airlines
Tue, Aug 11 - Wed, Aug 12

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Southwest flights from Harlingen to Baltimore

Our best Southwest deals on Harlingen to Baltimore flight tickets
Southwest
Sep 30
HRL12:35 pmHarlingen Valley Intl
6h 20m
1 stop
BWI7:55 pmBaltimore/Washington
Oct 5
BWI6:35 amBaltimore/Washington
6h 55m
1 stop
HRL12:30 pmHarlingen Valley Intl
$317
Southwest
Sep 30
HRL7:25 amHarlingen Valley Intl
9h 00m
2 stops
BWI5:25 pmBaltimore/Washington
Oct 5
BWI6:35 amBaltimore/Washington
6h 55m
1 stop
HRL12:30 pmHarlingen Valley Intl
$322
Southwest
Sep 30
HRL7:25 amHarlingen Valley Intl
9h 00m
2 stops
BWI5:25 pmBaltimore/Washington
Oct 5
BWI5:15 pmBaltimore/Washington
7h 25m
2 stops
HRL11:40 pmHarlingen Valley Intl
$327

United Airlines flights from Harlingen to Baltimore

Our best United Airlines deals on Harlingen to Baltimore flight tickets
United Airlines
Aug 11
HRL5:15 amHarlingen Valley Intl
5h 30m
1 stop
BWI11:45 amBaltimore/Washington
Aug 12
BWI12:55 pmBaltimore/Washington
7h 34m
1 stop
HRL7:29 pmHarlingen Valley Intl
$377
United Airlines
Aug 11
HRL2:00 pmHarlingen Valley Intl
9h 43m
2 stops
BWI12:43 amBaltimore/Washington
Aug 12
BWI12:55 pmBaltimore/Washington
7h 34m
1 stop
HRL7:29 pmHarlingen Valley Intl
$382
United Airlines
Aug 11
HRL5:15 amHarlingen Valley Intl
5h 30m
1 stop
BWI11:45 amBaltimore/Washington
Aug 12
BWI6:15 amBaltimore/Washington
10h 19m
2 stops
HRL3:34 pmHarlingen Valley Intl
$413

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen to Baltimore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 3, 2026.
Use the filters below to find and compare flights from Harlingen to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Wed 9/30

12:35 pm-7:55 pm

1 stop6h 20m

Baltimore/Washington

Mon 10/5

6:35 am-12:30 pm

1 stop6h 55m

$317

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Wed 9/30

7:25 am-5:25 pm

2 stops9h 00m

Baltimore/Washington

Mon 10/5

6:35 am-12:30 pm

1 stop6h 55m

$322

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Wed 9/30

7:25 am-5:25 pm

2 stops9h 00m

Baltimore/Washington

Mon 10/5

5:15 pm-11:40 pm

2 stops7h 25m

$327
Quickest round-trip

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 5/23

5:18 pm-12:18 am

1 stop6h 00m

Baltimore/Washington

Fri 5/29

7:10 pm-12:14 am

1 stop6h 04m

$329

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 7/25

5:10 pm-12:30 am

1 stop6h 20m

Baltimore/Washington

Sun 8/9

6:35 am-1:40 pm

1 stop8h 05m

$343

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 7/25

11:25 am-6:55 pm

2 stops6h 30m

Baltimore/Washington

Sun 8/9

6:35 am-1:40 pm

1 stop8h 05m

$348

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 7/25

11:25 am-9:30 pm

2 stops9h 05m

Baltimore/Washington

Sun 8/9

6:45 am-1:40 pm

2 stops7h 55m

$369

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 5/23

5:18 pm-12:18 am

1 stop6h 00m

Baltimore/Washington

Fri 5/29

7:10 pm-12:14 am

1 stop6h 04m

$376

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Tue 8/11

5:15 am-11:45 am

1 stop5h 30m

Baltimore/Washington

Wed 8/12

12:55 pm-7:29 pm

1 stop7h 34m

$377

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Tue 8/11

2:00 pm-12:43 am

2 stops9h 43m

Baltimore/Washington

Wed 8/12

12:55 pm-7:29 pm

1 stop7h 34m

$382

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Harlingen to Baltimore

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

What is the typical price of a round-trip flight between Harlingen and Baltimore?

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in December, then October is your next best option. Flight prices from Harlingen to Baltimore during October average around $0.

Can stopping save me money on Harlingen to Baltimore flights?

You could potentially save up to 7% on your flight if you consider stops on a Harlingen to Baltimore flight.

When to book flights from Harlingen to Baltimore

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

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

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

Fastest flight time

5h 10m

Direct flights

None
The fastest flight from Harlingen to Baltimore takes 5h 10m
There are no direct flights from Harlingen to Baltimore. There are no popular flight routes from Harlingen to Baltimore.
Search flight deals

Frequently asked questions about flying from Harlingen to Baltimore

  • How far is Harlingen Valley Intl to Baltimore/Washington by plane?

    The distance between Harlingen Valley Intl and Baltimore/Washington is about 1515.8 mi. Typically, this will take 5h 10m by plane in normal conditions.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Harlingen Valley Intl Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The travel and health documents you'll need for your trip to Baltimore/Washington Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Baltimore/Washington Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Harlingen to Baltimore?

Best airlines flying from Harlingen to Baltimore

Compare and see reviews for airlines that fly from Harlingen to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $155Free CancellationRating
8.0
4,310 reviews
Search Southwest flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Harlingen to Baltimore flights to just show those with flexible booking policies.

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

Once you have performed a search for Harlingen to Baltimore 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 Baltimore right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Harlingen to Baltimore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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