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Cheap flights from Harlingen to Washington, D.C. from $210

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 7/1. 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
1 adult, Economy, 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
7:25 am - 3:25 pm
HRL
-
BWI
7h 00m
1 stop
Southwest Logo
7:40 am - 1:20 pm
BWI
-
HRL
6h 40m
1 stop
$345Southwest
Tue, Sep 8 - Fri, Sep 11
Southwest Logo
6:30 pm - 12:40 am
HRL
-
BWI
5h 10m
1 stop
Southwest Logo
7:10 am - 11:20 am
BWI
-
HRL
5h 10m
1 stop
$349Southwest
Thu, Jul 30 - Thu, Aug 6
Southwest Logo
7:25 am - 5:05 pm
HRL
-
BWI
8h 40m
2 stops
Southwest Logo
7:40 am - 1:20 pm
BWI
-
HRL
6h 40m
1 stop
$350Southwest
Tue, Sep 8 - Fri, Sep 11
Southwest Logo
6:30 pm - 12:40 am
HRL
-
BWI
5h 10m
1 stop
Southwest Logo
4:30 pm - 10:00 pm
BWI
-
HRL
6h 30m
2 stops
$354Southwest
Thu, Jul 30 - Thu, Aug 6
Southwest Logo
6:35 am - 3:30 pm
HRL
-
BWI
7h 55m
2 stops
Southwest Logo
3:20 pm - 10:00 pm
BWI
-
HRL
7h 40m
2 stops
$355Southwest
Tue, Sep 8 - Fri, Sep 11
Southwest Logo
6:20 am - 3:15 pm
HRL
-
BWI
7h 55m
2 stops
Southwest Logo
7:40 am - 4:05 pm
BWI
-
HRL
9h 25m
2 stops
$359Southwest
Thu, Sep 17 - Mon, Sep 21
Southwest Logo
5:15 am - 2:05 pm
HRL
-
BWI
7h 50m
2 stops
Southwest Logo
3:20 pm - 10:00 pm
BWI
-
HRL
7h 40m
2 stops
$384Southwest
Thu, Jul 30 - Thu, Aug 6
Southwest Logo
10:40 am - 7:10 pm
HRL
-
BWI
7h 30m
1 stop
Southwest Logo
6:50 am - 11:00 am
BWI
-
HRL
5h 10m
1 stop
$419Southwest
Thu, Jul 2 - Mon, Jul 6
United Airlines Logo
7:20 am - 4:25 pm
HRL
-
BWI
8h 05m
1 stop
United Airlines Logo
6:05 am - 10:59 am
BWI
-
HRL
5h 54m
1 stop
$441United Airlines
Tue, Nov 17 - Wed, Nov 18
United Airlines Logo
5:10 am - 11:47 am
HRL
-
BWI
5h 37m
1 stop
United Airlines Logo
3:03 pm - 9:54 pm
BWI
-
HRL
7h 51m
1 stop
$445United Airlines
Mon, Aug 3 - Wed, Aug 5

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Southwest flights from Harlingen to Baltimore

Our best Southwest deals on Harlingen to Baltimore flight tickets
Southwest
Sep 8
HRL7:25 amHarlingen Valley Intl
7h 00m
1 stop
BWI3:25 pmBaltimore/Washington
Sep 11
BWI7:40 amBaltimore/Washington
6h 40m
1 stop
HRL1:20 pmHarlingen Valley Intl
$345
Southwest
Jul 30
HRL6:30 pmHarlingen Valley Intl
5h 10m
1 stop
BWI12:40 amBaltimore/Washington
Aug 6
BWI7:10 amBaltimore/Washington
5h 10m
1 stop
HRL11:20 amHarlingen Valley Intl
$349
Southwest
Sep 8
HRL7:25 amHarlingen Valley Intl
8h 40m
2 stops
BWI5:05 pmBaltimore/Washington
Sep 11
BWI7:40 amBaltimore/Washington
6h 40m
1 stop
HRL1:20 pmHarlingen Valley Intl
$350

United Airlines flights from Harlingen to Baltimore

Our best United Airlines deals on Harlingen to Baltimore flight tickets
United Airlines
Nov 17
HRL7:20 amHarlingen Valley Intl
8h 05m
1 stop
BWI4:25 pmBaltimore/Washington
Nov 18
BWI6:05 amBaltimore/Washington
5h 54m
1 stop
HRL10:59 amHarlingen Valley Intl
$441
United Airlines
Aug 3
HRL5:10 amHarlingen Valley Intl
5h 37m
1 stop
BWI11:47 amBaltimore/Washington
Aug 5
BWI3:03 pmBaltimore/Washington
7h 51m
1 stop
HRL9:54 pmHarlingen Valley Intl
$445
United Airlines
Nov 17
HRL7:20 amHarlingen Valley Intl
8h 05m
1 stop
BWI4:25 pmBaltimore/Washington
Nov 18
BWI8:15 amBaltimore/Washington
8h 19m
2 stops
HRL3:34 pmHarlingen Valley Intl
$446

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 June 18, 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

Tue 9/8

7:25 am-3:25 pm

1 stop7h 00m

Baltimore/Washington

Fri 9/11

7:40 am-1:20 pm

1 stop6h 40m

$345
Quickest round-trip

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Thu 7/30

6:30 pm-12:40 am

1 stop5h 10m

Baltimore/Washington

Thu 8/6

7:10 am-11:20 am

1 stop5h 10m

$349

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Tue 9/8

7:25 am-5:05 pm

2 stops8h 40m

Baltimore/Washington

Fri 9/11

7:40 am-1:20 pm

1 stop6h 40m

$350

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Thu 7/30

6:30 pm-12:40 am

1 stop5h 10m

Baltimore/Washington

Thu 8/6

4:30 pm-10:00 pm

2 stops6h 30m

$354

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Tue 9/8

6:35 am-3:30 pm

2 stops7h 55m

Baltimore/Washington

Fri 9/11

3:20 pm-10:00 pm

2 stops7h 40m

$355

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Thu 9/17

6:20 am-3:15 pm

2 stops7h 55m

Baltimore/Washington

Mon 9/21

7:40 am-4:05 pm

2 stops9h 25m

$359

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Thu 7/30

5:15 am-2:05 pm

2 stops7h 50m

Baltimore/Washington

Thu 8/6

3:20 pm-10:00 pm

2 stops7h 40m

$384

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Thu 7/2

10:40 am-7:10 pm

1 stop7h 30m

Baltimore/Washington

Mon 7/6

6:50 am-11:00 am

1 stop5h 10m

$419

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Tue 11/17

7:20 am-4:25 pm

1 stop8h 05m

Baltimore/Washington

Wed 11/18

6:05 am-10:59 am

1 stop5h 54m

$441

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Mon 8/3

5:10 am-11:47 am

1 stop5h 37m

Baltimore/Washington

Wed 8/5

3:03 pm-9:54 pm

1 stop7h 51m

$445

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 44% 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 00m

Direct flights

None
The fastest flight from Harlingen to Baltimore takes 5h 00m
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 00m 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
7.9
4,235 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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