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Cheap flights from Harlingen to Washington, D.C. from $294

This is the cheapest round-trip 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 8/18. 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
6:35 am - 3:30 pm
HRL
-
BWI
7h 55m
2 stops
Southwest Logo
9:30 am - 2:20 pm
BWI
-
HRL
5h 50m
1 stop
$294Southwest
Tue, Aug 18 - Sat, Dec 12
Southwest Logo
10:55 am - 10:45 pm
HRL
-
BWI
10h 50m
1 stop
Southwest Logo
4:55 pm - 9:00 pm
BWI
-
HRL
5h 05m
1 stop
$294Southwest
Thu, Sep 17 - Sat, Sep 19
Southwest Logo
10:55 am - 10:45 pm
HRL
-
BWI
10h 50m
1 stop
Southwest Logo
2:20 pm - 9:00 pm
BWI
-
HRL
7h 40m
2 stops
$300Southwest
Thu, Sep 17 - Sat, Sep 19
Southwest Logo
11:30 am - 8:25 pm
HRL
-
BWI
7h 55m
1 stop
Southwest Logo
8:45 am - 1:20 pm
BWI
-
HRL
5h 35m
1 stop
$307Southwest
Sat, Aug 22 - Thu, Aug 27
Southwest Logo
12:35 pm - 7:55 pm
HRL
-
BWI
6h 20m
1 stop
Southwest Logo
9:30 am - 2:20 pm
BWI
-
HRL
5h 50m
1 stop
$307Southwest
Tue, Aug 18 - Sat, Dec 12
Southwest Logo
12:35 pm - 8:25 pm
HRL
-
BWI
6h 50m
2 stops
Southwest Logo
3:25 pm - 8:30 pm
BWI
-
HRL
6h 05m
1 stop
$312Southwest
Sat, Aug 22 - Thu, Aug 27
Southwest Logo
6:35 am - 3:30 pm
HRL
-
BWI
7h 55m
2 stops
Southwest Logo
6:10 am - 12:05 pm
BWI
-
HRL
6h 55m
2 stops
$317Southwest
Tue, Aug 18 - Sat, Dec 12
Southwest Logo
12:35 pm - 8:25 pm
HRL
-
BWI
6h 50m
2 stops
Southwest Logo
3:20 pm - 10:35 pm
BWI
-
HRL
8h 15m
2 stops
$317Southwest
Sat, Aug 22 - Thu, Aug 27
Delta Logo
2:30 pm - 11:41 pm
HRL
-
BWI
8h 11m
1 stop
Delta Logo
7:00 am - 1:32 pm
BWI
-
HRL
7h 32m
1 stop
$359Delta
Fri, Nov 13 - Sun, Nov 15
Delta Logo
2:30 pm - 12:50 am
HRL
-
BWI
9h 20m
2 stops
Delta Logo
7:00 am - 1:32 pm
BWI
-
HRL
7h 32m
1 stop
$364Delta
Fri, Nov 13 - Sun, Nov 15

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Southwest flights from Harlingen to Baltimore

Our best Southwest deals on Harlingen to Baltimore flight tickets
Southwest
Aug 18
HRL6:35 amHarlingen Valley Intl
7h 55m
2 stops
BWI3:30 pmBaltimore/Washington
Dec 12
BWI9:30 amBaltimore/Washington
5h 50m
1 stop
HRL2:20 pmHarlingen Valley Intl
$294
Southwest
Sep 17
HRL10:55 amHarlingen Valley Intl
10h 50m
1 stop
BWI10:45 pmBaltimore/Washington
Sep 19
BWI2:20 pmBaltimore/Washington
7h 40m
2 stops
HRL9:00 pmHarlingen Valley Intl
$300
Southwest
Aug 18
HRL12:35 pmHarlingen Valley Intl
6h 20m
1 stop
BWI7:55 pmBaltimore/Washington
Dec 12
BWI9:30 amBaltimore/Washington
5h 50m
1 stop
HRL2:20 pmHarlingen Valley Intl
$307

Delta flights from Harlingen to Baltimore

Our best Delta deals on Harlingen to Baltimore flight tickets
Delta
Nov 13
HRL2:30 pmHarlingen Valley Intl
8h 11m
1 stop
BWI11:41 pmBaltimore/Washington
Nov 15
BWI7:00 amBaltimore/Washington
7h 32m
1 stop
HRL1:32 pmHarlingen Valley Intl
$359
Delta
Nov 13
HRL2:30 pmHarlingen Valley Intl
8h 11m
1 stop
BWI11:41 pmBaltimore/Washington
Nov 15
BWI7:00 amBaltimore/Washington
7h 32m
1 stop
HRL1:32 pmHarlingen Valley Intl
$379
Delta
Nov 13
HRL2:30 pmHarlingen Valley Intl
9h 20m
2 stops
BWI12:50 amBaltimore/Washington
Nov 15
BWI7:00 amBaltimore/Washington
7h 32m
1 stop
HRL1:32 pmHarlingen Valley Intl
$384

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 August 2, 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 8/18

6:35 am-3:30 pm

2 stops7h 55m

Baltimore/Washington

Sat 12/12

9:30 am-2:20 pm

1 stop5h 50m

$294

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Thu 9/17

10:55 am-10:45 pm

1 stop10h 50m

Baltimore/Washington

Sat 9/19

4:55 pm-9:00 pm

1 stop5h 05m

$294

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Thu 9/17

10:55 am-10:45 pm

1 stop10h 50m

Baltimore/Washington

Sat 9/19

2:20 pm-9:00 pm

2 stops7h 40m

$300

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 8/22

11:30 am-8:25 pm

1 stop7h 55m

Baltimore/Washington

Thu 8/27

8:45 am-1:20 pm

1 stop5h 35m

$307
Quickest round-trip

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Tue 8/18

12:35 pm-7:55 pm

1 stop6h 20m

Baltimore/Washington

Sat 12/12

9:30 am-2:20 pm

1 stop5h 50m

$307

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 8/22

12:35 pm-8:25 pm

2 stops6h 50m

Baltimore/Washington

Thu 8/27

3:25 pm-8:30 pm

1 stop6h 05m

$312

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Tue 8/18

6:35 am-3:30 pm

2 stops7h 55m

Baltimore/Washington

Sat 12/12

6:10 am-12:05 pm

2 stops6h 55m

$317

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Sat 8/22

12:35 pm-8:25 pm

2 stops6h 50m

Baltimore/Washington

Thu 8/27

3:20 pm-10:35 pm

2 stops8h 15m

$317

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Fri 11/13

2:30 pm-11:41 pm

1 stop8h 11m

Baltimore/Washington

Sun 11/15

7:00 am-1:32 pm

1 stop7h 32m

$359

HarlingenBaltimore

HRL - BWI

HRLBWI

Harlingen Valley Intl

Fri 11/13

2:30 pm-12:50 am

2 stops9h 20m

Baltimore/Washington

Sun 11/15

7:00 am-1:32 pm

1 stop7h 32m

$364

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in December, then February is your next best option. Flight prices from Harlingen to Baltimore during February average around $290.

Can stopping save me money on Harlingen to Baltimore flights?

You could potentially save up to 13% 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 20m

Direct flights

None
The fastest flight from Harlingen to Baltimore takes 5h 20m
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 20m 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 $290Free CancellationRating
8.0
4,229 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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