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Cheap flights from Baltimore to Harlingen from $180

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Harlingen departing on 8/1. 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 Baltimore to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:10 pm - 10:35 pm
BWI
-
HRL
5h 25m
1 stop
Southwest Logo
1:55 pm - 10:25 pm
HRL
-
BWI
7h 30m
1 stop
$315Southwest
Mon, Aug 17 - Thu, Aug 20
Southwest Logo
9:40 am - 4:05 pm
BWI
-
HRL
7h 25m
1 stop
Southwest Logo
5:30 am - 1:15 pm
HRL
-
BWI
6h 45m
2 stops
$320Southwest
Mon, Aug 17 - Mon, Aug 24
Southwest Logo
4:30 pm - 10:35 pm
BWI
-
HRL
7h 05m
2 stops
Southwest Logo
6:20 am - 3:25 pm
HRL
-
BWI
8h 05m
2 stops
$325Southwest
Mon, Aug 17 - Thu, Aug 20
Southwest Logo
10:10 am - 5:15 pm
BWI
-
HRL
8h 05m
1 stop
Southwest Logo
6:20 am - 3:30 pm
HRL
-
BWI
8h 10m
1 stop
$332Southwest
Fri, Aug 28 - Mon, Aug 31
Southwest Logo
10:00 am - 5:15 pm
BWI
-
HRL
8h 15m
2 stops
Southwest Logo
1:55 pm - 8:15 pm
HRL
-
BWI
5h 20m
1 stop
$337Southwest
Fri, Aug 28 - Mon, Aug 31
Southwest Logo
10:00 am - 5:15 pm
BWI
-
HRL
8h 15m
2 stops
Southwest Logo
11:55 am - 8:15 pm
HRL
-
BWI
7h 20m
2 stops
$342Southwest
Fri, Aug 28 - Mon, Aug 31
Southwest Logo
10:55 am - 4:45 pm
BWI
-
HRL
6h 50m
1 stop
Southwest Logo
1:00 pm - 10:05 pm
HRL
-
BWI
8h 05m
1 stop
$349Southwest
Fri, Oct 30 - Sun, Nov 1
Southwest Logo
10:00 am - 5:15 pm
BWI
-
HRL
8h 15m
2 stops
Southwest Logo
11:55 am - 7:35 pm
HRL
-
BWI
6h 40m
1 stop
$354Southwest
Fri, Aug 28 - Mon, Aug 31
Southwest Logo
8:10 am - 1:30 pm
BWI
-
HRL
6h 20m
1 stop
Southwest Logo
11:25 am - 6:55 pm
HRL
-
BWI
6h 30m
2 stops
$359Southwest
Wed, Jul 22 - Sat, Aug 1
Delta Logo
7:30 am - 1:23 pm
BWI
-
HRL
6h 53m
1 stop
Delta Logo
2:13 pm - 11:04 pm
HRL
-
BWI
7h 51m
2 stops
$362Delta
Thu, Oct 29 - Sun, Nov 1

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Delta flights from Baltimore to Harlingen

Our best Delta deals on Baltimore to Harlingen flight tickets
Delta
Oct 29
BWI7:30 amBaltimore/Washington
6h 53m
1 stop
HRL1:23 pmHarlingen Valley Intl
Nov 1
HRL2:13 pmHarlingen Valley Intl
7h 51m
2 stops
BWI11:04 pmBaltimore/Washington
$362
Delta
Oct 30
BWI7:30 amBaltimore/Washington
6h 53m
1 stop
HRL1:23 pmHarlingen Valley Intl
Nov 1
HRL2:13 pmHarlingen Valley Intl
7h 51m
2 stops
BWI11:04 pmBaltimore/Washington
$409
Delta
Dec 17
BWI7:30 amBaltimore/Washington
7h 01m
1 stop
HRL1:31 pmHarlingen Valley Intl
Jan 4
HRL2:00 pmHarlingen Valley Intl
8h 46m
1 stop
BWI11:46 pmBaltimore/Washington
$454

American Airlines flights from Baltimore to Harlingen

Our best American Airlines deals on Baltimore to Harlingen flight tickets
American Airlines
Aug 27
BWI11:59 amBaltimore/Washington
8h 34m
2 stops
HRL7:33 pmHarlingen Valley Intl
Aug 31
HRL3:17 pmHarlingen Valley Intl
7h 24m
1 stop
BWI11:41 pmBaltimore/Washington
$398
American Airlines
Aug 27
BWI3:55 pmBaltimore/Washington
7h 59m
1 stop
HRL10:54 pmHarlingen Valley Intl
Aug 31
HRL3:17 pmHarlingen Valley Intl
7h 24m
1 stop
BWI11:41 pmBaltimore/Washington
$404
American Airlines
Aug 27
BWI3:55 pmBaltimore/Washington
7h 59m
1 stop
HRL10:54 pmHarlingen Valley Intl
Aug 31
HRL3:17 pmHarlingen Valley Intl
7h 24m
1 stop
BWI11:41 pmBaltimore/Washington
$436

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to Harlingen 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 July 5, 2026.
Use the filters below to find and compare flights from Baltimore to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Mon 8/17

6:10 pm-10:35 pm

1 stop5h 25m

Harlingen Valley Intl

Thu 8/20

1:55 pm-10:25 pm

1 stop7h 30m

$315

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Mon 8/17

9:40 am-4:05 pm

1 stop7h 25m

Harlingen Valley Intl

Mon 8/24

5:30 am-1:15 pm

2 stops6h 45m

$320

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Mon 8/17

4:30 pm-10:35 pm

2 stops7h 05m

Harlingen Valley Intl

Thu 8/20

6:20 am-3:25 pm

2 stops8h 05m

$325

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 8/28

10:10 am-5:15 pm

1 stop8h 05m

Harlingen Valley Intl

Mon 8/31

6:20 am-3:30 pm

1 stop8h 10m

$332

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 8/28

10:00 am-5:15 pm

2 stops8h 15m

Harlingen Valley Intl

Mon 8/31

1:55 pm-8:15 pm

1 stop5h 20m

$337

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 8/28

10:00 am-5:15 pm

2 stops8h 15m

Harlingen Valley Intl

Mon 8/31

11:55 am-8:15 pm

2 stops7h 20m

$342

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 10/30

10:55 am-4:45 pm

1 stop6h 50m

Harlingen Valley Intl

Sun 11/1

1:00 pm-10:05 pm

1 stop8h 05m

$349

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Fri 8/28

10:00 am-5:15 pm

2 stops8h 15m

Harlingen Valley Intl

Mon 8/31

11:55 am-7:35 pm

1 stop6h 40m

$354
Quickest round-trip

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Wed 7/22

8:10 am-1:30 pm

1 stop6h 20m

Harlingen Valley Intl

Sat 8/1

11:25 am-6:55 pm

2 stops6h 30m

$359

BaltimoreHarlingen

BWI - HRL

BWIHRL

Baltimore/Washington

Thu 10/29

7:30 am-1:23 pm

1 stop6h 53m

Harlingen Valley Intl

Sun 11/1

2:13 pm-11:04 pm

2 stops7h 51m

$362

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Harlingen from

How to get the cheapest flight ticket from Baltimore to Harlingen

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 Harlingen?

If you aren’t able to travel during the month of January, then book flights to Harlingen from Baltimore during September instead. Flights to Harlingen in September, while not as cheap as those in January, still average around $327.

When to book flights from Baltimore to Harlingen

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

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

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

Fastest flight time

5h 25m

Direct flights

None
The fastest flight from Baltimore to Harlingen takes 5h 25m
There are no direct flights from Baltimore to Harlingen. There are no popular flight routes from Baltimore to Harlingen.
Search flight deals

Frequently asked questions about flying from Baltimore to Harlingen

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

    Baltimore/Washington and Harlingen Valley Intl are 1515.8 mi apart from one another. Typically, this will take 5h 25m by plane in normal conditions.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The necessary travel and health documents for your Harlingen Valley Intl Airport 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.

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

Best airlines flying from Baltimore to Harlingen

Compare and see reviews for airlines that fly from Baltimore to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $286Free CancellationRating
7.9
4,249 reviews
Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Baltimore to Harlingen for you.

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

All flight searches from Baltimore to Harlingen on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Baltimore to Harlingen.

I’m not ready to book a flight from Baltimore to Harlingen right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Harlingen, momondo offers a useful price alert feature which will track prices for flights to Harlingen from Baltimore and alert you when they change.

An easier way to manage your Harlingen trip

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