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Cheap flights from Detroit to Harlingen from $135

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 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:30 am - 4:06 pmDTW-HRL
11h 36m2 stops
United Airlines Logo
5:20 pm - 11:59 pmHRL-DTW
5h 39m1 stop
$256United Airlines
Find Deal
Wed, Feb 11 - Wed, Feb 18
United Airlines Logo
11:05 am - 8:01 pmDTW-HRL
9h 56m2 stops
United Airlines Logo
9:20 am - 8:22 pmHRL-DTW
10h 02m2 stops
$292United Airlines
Find Deal
Wed, Feb 11 - Wed, Feb 18
American Airlines Logo
5:35 pm - 11:21 pmDTW-HRL
6h 46m1 stop
American Airlines Logo
3:22 pm - 10:35 pmHRL-DTW
6h 13m1 stop
$306American Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
American Airlines Logo
1:20 pm - 6:14 pmDTW-HRL
5h 54m1 stop
American Airlines Logo
6:02 am - 12:30 pmHRL-DTW
5h 28m1 stop
$329American Airlines
Find Deal
Fri, Jan 30 - Fri, Feb 6
American Airlines Logo
5:35 pm - 11:21 pmDTW-HRL
6h 46m1 stop
American Airlines Logo
11:06 am - 8:18 pmHRL-DTW
8h 12m2 stops
$332American Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
American Airlines Logo
11:20 am - 6:14 pmDTW-HRL
7h 54m1 stop
American Airlines Logo
6:02 am - 8:18 pmHRL-DTW
13h 16m2 stops
$334American Airlines
Find Deal
Fri, Jan 30 - Fri, Feb 6
Delta Logo
7:00 am - 2:43 pmDTW-HRL
8h 43m1 stop
Delta Logo
3:39 pm - 10:35 pmHRL-DTW
5h 56m1 stop
$374Delta
Find Deal
Sun, Nov 9 - Thu, Nov 13
Delta Logo
5:45 am - 2:43 pmDTW-HRL
9h 58m2 stops
Delta Logo
3:39 pm - 10:35 pmHRL-DTW
5h 56m1 stop
$379Delta
Find Deal
Sun, Nov 9 - Thu, Nov 13
Southwest Logo
1:40 pm - 9:50 pmDTW-HRL
9h 10m2 stops
Southwest Logo
11:15 am - 8:25 pmHRL-DTW
8h 10m2 stops
$389Southwest
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Fri, Jan 30 - Fri, Feb 6
Southwest Logo
12:55 pm - 9:55 pmDTW-HRL
10h 00m2 stops
Southwest Logo
3:40 pm - 11:20 pmHRL-DTW
6h 40m2 stops
$475Southwest
Find Deal
Tue, Nov 18 - Tue, Nov 25

United Airlines flights from Detroit to Harlingen, Texas

Our best United Airlines deals on Detroit to Harlingen, Texas flight tickets
United Airlines
Feb 11
DTW5:30 amDetroit Metropolitan Wayne County
11h 36m
2 stops
HRL4:06 pmHarlingen Valley Intl
Feb 18
HRL5:20 pmHarlingen Valley Intl
5h 39m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$256
Find similar
United Airlines
Feb 11
DTW11:05 amDetroit Metropolitan Wayne County
9h 56m
2 stops
HRL8:01 pmHarlingen Valley Intl
Feb 18
HRL9:20 amHarlingen Valley Intl
10h 02m
2 stops
DTW8:22 pmDetroit Metropolitan Wayne County
$292
Find similar
United Airlines
Jan 29
DTW10:56 amDetroit Metropolitan Wayne County
6h 10m
1 stop
HRL4:06 pmHarlingen Valley Intl
Feb 7
HRL5:25 pmHarlingen Valley Intl
5h 34m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$377
Find similar

American Airlines flights from Detroit to Harlingen, Texas

Our best American Airlines deals on Detroit to Harlingen, Texas flight tickets
American Airlines
Jan 22
DTW5:35 pmDetroit Metropolitan Wayne County
6h 46m
1 stop
HRL11:21 pmHarlingen Valley Intl
Jan 26
HRL3:22 pmHarlingen Valley Intl
6h 13m
1 stop
DTW10:35 pmDetroit Metropolitan Wayne County
$306
Find similar
American Airlines
Jan 30
DTW1:20 pmDetroit Metropolitan Wayne County
5h 54m
1 stop
HRL6:14 pmHarlingen Valley Intl
Feb 6
HRL6:02 amHarlingen Valley Intl
5h 28m
1 stop
DTW12:30 pmDetroit Metropolitan Wayne County
$329
Find similar
American Airlines
Jan 22
DTW5:35 pmDetroit Metropolitan Wayne County
6h 46m
1 stop
HRL11:21 pmHarlingen Valley Intl
Jan 26
HRL11:06 amHarlingen Valley Intl
8h 12m
2 stops
DTW8:18 pmDetroit Metropolitan Wayne County
$332
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 October 30, 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

Wed 2/11

5:30 am-4:06 pm

2 stops11h 36m

Harlingen Valley Intl

Wed 2/18

5:20 pm-11:59 pm

1 stop5h 39m

$256

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Wed 2/11

11:05 am-8:01 pm

2 stops9h 56m

Harlingen Valley Intl

Wed 2/18

9:20 am-8:22 pm

2 stops10h 02m

$292

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Thu 1/22

5:35 pm-11:21 pm

1 stop6h 46m

Harlingen Valley Intl

Mon 1/26

3:22 pm-10:35 pm

1 stop6h 13m

$306

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Fri 1/30

1:20 pm-6:14 pm

1 stop5h 54m

Harlingen Valley Intl

Fri 2/6

6:02 am-12:30 pm

1 stop5h 28m

$329

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Thu 1/22

5:35 pm-11:21 pm

1 stop6h 46m

Harlingen Valley Intl

Mon 1/26

11:06 am-8:18 pm

2 stops8h 12m

$332

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Fri 1/30

11:20 am-6:14 pm

1 stop7h 54m

Harlingen Valley Intl

Fri 2/6

6:02 am-8:18 pm

2 stops13h 16m

$334

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sun 11/9

7:00 am-2:43 pm

1 stop8h 43m

Harlingen Valley Intl

Thu 11/13

3:39 pm-10:35 pm

1 stop5h 56m

$374

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sun 11/9

5:45 am-2:43 pm

2 stops9h 58m

Harlingen Valley Intl

Thu 11/13

3:39 pm-10:35 pm

1 stop5h 56m

$379

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Fri 1/30

1:40 pm-9:50 pm

2 stops9h 10m

Harlingen Valley Intl

Fri 2/6

11:15 am-8:25 pm

2 stops8h 10m

$389

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 11/18

12:55 pm-9:55 pm

2 stops10h 00m

Harlingen Valley Intl

Tue 11/25

3:40 pm-11:20 pm

2 stops6h 40m

$475

Flights are sorted by cheapest round-trip flights first.

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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 2% 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

Direct flights

None
There are no direct flights from Detroit to Harlingen, Texas. There are no popular flight routes from Detroit to Harlingen, Texas.
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  • 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 5h 21m.

  • 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
7,998 reviews
Search Delta flights
American AirlinesPriceFrom $208Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
United AirlinesPriceFrom $292Free CancellationRating
7.4
8,998 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.

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