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Cheap flights from Detroit to Harlingen from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Harlingen departing on 1/7. 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

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Find the cheapest flights from Detroit to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:00 am - 2:46 pm
DTW
-
HRL
8h 46m1 stop
American Airlines Logo
6:02 am - 12:30 pm
HRL
-
DTW
5h 28m1 stop
$269American Airlines
Thu, Jan 29 - Sun, Feb 1
American Airlines Logo
11:20 am - 6:14 pm
DTW
-
HRL
7h 54m1 stop
American Airlines Logo
6:02 am - 12:30 pm
HRL
-
DTW
5h 28m1 stop
$315American Airlines
Thu, Feb 5 - Mon, Feb 9
American Airlines Logo
1:23 pm - 6:14 pm
DTW
-
HRL
5h 51m1 stop
American Airlines Logo
3:22 pm - 10:35 pm
HRL
-
DTW
6h 13m1 stop
$319American Airlines
Thu, Jan 22 - Fri, Jan 30
American Airlines Logo
5:35 pm - 11:21 pm
DTW
-
HRL
6h 46m1 stop
American Airlines Logo
6:02 am - 12:30 pm
HRL
-
DTW
5h 28m1 stop
$321American Airlines
Thu, Jan 22 - Sun, Jan 25
American Airlines Logo
11:20 am - 6:14 pm
DTW
-
HRL
7h 54m1 stop
American Airlines Logo
6:02 am - 12:30 pm
HRL
-
DTW
5h 28m1 stop
$326American Airlines
Thu, Feb 5 - Mon, Feb 9
American Airlines Logo
1:23 pm - 6:14 pm
DTW
-
HRL
5h 51m1 stop
American Airlines Logo
3:22 pm - 10:35 pm
HRL
-
DTW
6h 13m1 stop
$328American Airlines
Thu, Jan 22 - Mon, Jan 26
American Airlines Logo
1:23 pm - 6:14 pm
DTW
-
HRL
5h 51m1 stop
American Airlines Logo
6:02 am - 12:30 pm
HRL
-
DTW
5h 28m1 stop
$330American Airlines
Thu, Jan 22 - Sun, Jan 25
United Airlines Logo
10:56 am - 4:06 pm
DTW
-
HRL
6h 10m1 stop
United Airlines Logo
7:00 am - 1:54 pm
HRL
-
DTW
5h 54m1 stop
$331United Airlines
Tue, Jan 27 - Wed, Jan 28
United Airlines Logo
8:15 am - 4:06 pm
DTW
-
HRL
8h 51m1 stop
United Airlines Logo
7:00 am - 7:36 pm
HRL
-
DTW
11h 36m2 stops
$336United Airlines
Tue, Jan 27 - Wed, Jan 28
United Airlines Logo
7:15 am - 4:06 pm
DTW
-
HRL
9h 51m2 stops
United Airlines Logo
9:20 am - 6:59 pm
HRL
-
DTW
8h 39m2 stops
$341United Airlines
Tue, Jan 27 - Wed, Jan 28

American Airlines flights from Detroit to Harlingen, Texas

Our best American Airlines deals on Detroit to Harlingen, Texas flight tickets
American Airlines
Jan 29
DTW7:00 amDetroit Metropolitan Wayne County
8h 46m
1 stop
HRL2:46 pmHarlingen Valley Intl
Feb 1
HRL6:02 amHarlingen Valley Intl
5h 28m
1 stop
DTW12:30 pmDetroit Metropolitan Wayne County
$269
Find similar
American Airlines
Feb 5
DTW11:20 amDetroit Metropolitan Wayne County
7h 54m
1 stop
HRL6:14 pmHarlingen Valley Intl
Feb 9
HRL6:02 amHarlingen Valley Intl
5h 28m
1 stop
DTW12:30 pmDetroit Metropolitan Wayne County
$315
Find similar
American Airlines
Jan 22
DTW1:23 pmDetroit Metropolitan Wayne County
5h 51m
1 stop
HRL6:14 pmHarlingen Valley Intl
Jan 30
HRL3:22 pmHarlingen Valley Intl
6h 13m
1 stop
DTW10:35 pmDetroit Metropolitan Wayne County
$319
Find similar

United Airlines flights from Detroit to Harlingen, Texas

Our best United Airlines deals on Detroit to Harlingen, Texas flight tickets
United Airlines
Jan 27
DTW10:56 amDetroit Metropolitan Wayne County
6h 10m
1 stop
HRL4:06 pmHarlingen Valley Intl
Jan 28
HRL7:00 amHarlingen Valley Intl
5h 54m
1 stop
DTW1:54 pmDetroit Metropolitan Wayne County
$331
Find similar
United Airlines
Jan 27
DTW8:15 amDetroit Metropolitan Wayne County
8h 51m
1 stop
HRL4:06 pmHarlingen Valley Intl
Jan 28
HRL7:00 amHarlingen Valley Intl
11h 36m
2 stops
DTW7:36 pmDetroit Metropolitan Wayne County
$336
Find similar
United Airlines
Jan 27
DTW7:15 amDetroit Metropolitan Wayne County
9h 51m
2 stops
HRL4:06 pmHarlingen Valley Intl
Jan 28
HRL9:20 amHarlingen Valley Intl
8h 39m
2 stops
DTW6:59 pmDetroit Metropolitan Wayne County
$341
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Detroit to Harlingen, Texas 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 December 18, 2025.
Use the filters below to find and compare flights from Detroit to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Thu 1/29

7:00 am-2:46 pm

1 stop8h 46m

Harlingen Valley Intl

Sun 2/1

6:02 am-12:30 pm

1 stop5h 28m

$269

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Thu 2/5

11:20 am-6:14 pm

1 stop7h 54m

Harlingen Valley Intl

Mon 2/9

6:02 am-12:30 pm

1 stop5h 28m

$315

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Thu 1/22

1:23 pm-6:14 pm

1 stop5h 51m

Harlingen Valley Intl

Fri 1/30

3:22 pm-10:35 pm

1 stop6h 13m

$319

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Thu 1/22

5:35 pm-11:21 pm

1 stop6h 46m

Harlingen Valley Intl

Sun 1/25

6:02 am-12:30 pm

1 stop5h 28m

$321

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Thu 2/5

11:20 am-6:14 pm

1 stop7h 54m

Harlingen Valley Intl

Mon 2/9

6:02 am-12:30 pm

1 stop5h 28m

$326

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Thu 1/22

1:23 pm-6:14 pm

1 stop5h 51m

Harlingen Valley Intl

Mon 1/26

3:22 pm-10:35 pm

1 stop6h 13m

$328

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Thu 1/22

1:23 pm-6:14 pm

1 stop5h 51m

Harlingen Valley Intl

Sun 1/25

6:02 am-12:30 pm

1 stop5h 28m

$330

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 1/27

10:56 am-4:06 pm

1 stop6h 10m

Harlingen Valley Intl

Wed 1/28

7:00 am-1:54 pm

1 stop5h 54m

$331

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 1/27

8:15 am-4:06 pm

1 stop8h 51m

Harlingen Valley Intl

Wed 1/28

7:00 am-7:36 pm

2 stops11h 36m

$336

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 1/27

7:15 am-4:06 pm

2 stops9h 51m

Harlingen Valley Intl

Wed 1/28

9:20 am-6:59 pm

2 stops8h 39m

$341

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Harlingen from

How to get the cheapest flight ticket from Detroit to Harlingen, Texas

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 Detroit and Harlingen, Texas?

What is the cheapest day to depart on your flight to Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Saturday when prices can be found for as low as $377. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Detroit to Harlingen, Texas for around $591.

What is the cheapest time of day to depart on your flight to Harlingen, Texas?

Our most recent data shows that the best time of day to fly to Harlingen, Texas is in the morning. Flights from Detroit to Harlingen, Texas during this time can be as low as $468. Flights in the evening are often more expensive with an average ticket price of $557.

Can stopping save me money on Detroit to Harlingen, Texas flights?

You could potentially save up to 35% on your flight if you consider stops on a Detroit to Harlingen, Texas flight.

When to book flights from Detroit to Harlingen, Texas

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

Cheap Detroit to Harlingen, Texas (DTT to HRL) flight deals and tips

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

Fastest flight time

6h 01m

Direct flights

None
The fastest flight from Detroit to Harlingen, Texas takes 6h 01m
There are no direct flights from Detroit to Harlingen, Texas. There are no popular flight routes from Detroit to Harlingen, Texas.
Search flight deals

  • How far is Detroit to Harlingen Valley Intl by plane?

    The distance between Detroit and Harlingen Valley Intl is about 1388.9 mi. By plane, this route typically takes 6h 01m.

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

    Prices for flights from Detroit to Harlingen Valley Intl Airport were last updated today.

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

  • How old do you have to be to fly from Detroit 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 Detroit 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 Detroit to Harlingen, Texas?

Best airlines flying from Detroit to Harlingen, Texas

Compare and see reviews for airlines that fly from Detroit to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $128Free CancellationRating
7.9
8,005 reviews
Search Delta flights
American AirlinesPriceFrom $208Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $292Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Detroit 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 Detroit to Harlingen for you.

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

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

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

momondo provides multiple filters to help you find the best flight to Harlingen from Detroit. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Harlingen from Detroit are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Harlingen, Texas trip

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