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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 8/23. 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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Cheap round-trip flights

American Airlines Logo
4:09 pm - 11:04 pmDTW-HRL
7h 55m1 stop
American Airlines Logo
5:25 am - 2:05 pmHRL-DTW
7h 40m1 stop
$251American Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
American Airlines Logo
1:07 pm - 11:04 pmDTW-HRL
10h 57m2 stops
American Airlines Logo
5:25 am - 2:05 pmHRL-DTW
7h 40m1 stop
$256American Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
Delta Logo
9:00 am - 2:19 pmDTW-HRL
6h 19m1 stop
Delta Logo
3:14 pm - 10:28 pmHRL-DTW
6h 14m1 stop
$257Delta
Find Deal
Tue, Oct 7 - Tue, Oct 14
American Airlines Logo
7:00 am - 2:19 pmDTW-HRL
8h 19m1 stop
American Airlines Logo
5:45 am - 2:21 pmHRL-DTW
7h 36m1 stop
$260American Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28
American Airlines Logo
12:45 pm - 11:14 pmDTW-HRL
11h 29m2 stops
American Airlines Logo
5:40 am - 6:03 pmHRL-DTW
11h 23m2 stops
$261American Airlines
Find Deal
Tue, Nov 4 - Wed, Nov 12
Delta Logo
9:00 am - 2:19 pmDTW-HRL
6h 19m1 stop
Delta Logo
3:14 pm - 10:28 pmHRL-DTW
6h 14m1 stop
$263Delta
Find Deal
Tue, Oct 7 - Fri, Oct 10
United Airlines Logo
10:40 am - 4:02 pmDTW-HRL
6h 22m1 stop
United Airlines Logo
5:17 pm - 11:59 pmHRL-DTW
5h 42m1 stop
$274United Airlines
Find Deal
Wed, Sep 24 - Mon, Sep 29
Delta Logo
9:00 am - 2:19 pmDTW-HRL
6h 19m1 stop
Delta Logo
3:14 pm - 10:28 pmHRL-DTW
6h 14m1 stop
$277Delta
Find Deal
Mon, Oct 6 - Sat, Oct 11
United Airlines Logo
9:20 am - 4:02 pmDTW-HRL
7h 42m2 stops
United Airlines Logo
5:17 pm - 11:59 pmHRL-DTW
5h 42m1 stop
$279United Airlines
Find Deal
Wed, Sep 24 - Mon, Sep 29
United Airlines Logo
2:10 pm - 9:52 pmDTW-HRL
8h 42m2 stops
United Airlines Logo
2:05 pm - 11:57 pmHRL-DTW
8h 52m2 stops
$299United Airlines
Find Deal
Wed, Sep 24 - Mon, Sep 29

American Airlines flights from Detroit to Harlingen, Texas

Our best American Airlines deals on Detroit to Harlingen, Texas flight tickets
American Airlines
Oct 18
DTW4:09 pmDetroit Metropolitan Wayne County
7h 55m
1 stop
HRL11:04 pmHarlingen Valley Intl
Oct 25
HRL5:25 amHarlingen Valley Intl
7h 40m
1 stop
DTW2:05 pmDetroit Metropolitan Wayne County
$251
Find similar
American Airlines
Oct 18
DTW1:07 pmDetroit Metropolitan Wayne County
10h 57m
2 stops
HRL11:04 pmHarlingen Valley Intl
Oct 25
HRL5:25 amHarlingen Valley Intl
7h 40m
1 stop
DTW2:05 pmDetroit Metropolitan Wayne County
$256
Find similar
American Airlines
Sep 24
DTW7:00 amDetroit Metropolitan Wayne County
8h 19m
1 stop
HRL2:19 pmHarlingen Valley Intl
Sep 28
HRL5:45 amHarlingen Valley Intl
7h 36m
1 stop
DTW2:21 pmDetroit Metropolitan Wayne County
$260
Find similar

United Airlines flights from Detroit to Harlingen, Texas

Our best United Airlines deals on Detroit to Harlingen, Texas flight tickets
United Airlines
Sep 24
DTW10:40 amDetroit Metropolitan Wayne County
6h 22m
1 stop
HRL4:02 pmHarlingen Valley Intl
Sep 29
HRL5:17 pmHarlingen Valley Intl
5h 42m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$274
Find similar
United Airlines
Sep 24
DTW9:20 amDetroit Metropolitan Wayne County
7h 42m
2 stops
HRL4:02 pmHarlingen Valley Intl
Sep 29
HRL5:17 pmHarlingen Valley Intl
5h 42m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$279
Find similar
United Airlines
Sep 24
DTW2:10 pmDetroit Metropolitan Wayne County
8h 42m
2 stops
HRL9:52 pmHarlingen Valley Intl
Sep 29
HRL2:05 pmHarlingen Valley Intl
8h 52m
2 stops
DTW11:57 pmDetroit Metropolitan Wayne County
$299
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 August 1, 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

Sat 10/18

4:09 pm-11:04 pm

1 stop7h 55m

Harlingen Valley Intl

Sat 10/25

5:25 am-2:05 pm

1 stop7h 40m

$251

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sat 10/18

1:07 pm-11:04 pm

2 stops10h 57m

Harlingen Valley Intl

Sat 10/25

5:25 am-2:05 pm

1 stop7h 40m

$256

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 10/7

9:00 am-2:19 pm

1 stop6h 19m

Harlingen Valley Intl

Tue 10/14

3:14 pm-10:28 pm

1 stop6h 14m

$257

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Wed 9/24

7:00 am-2:19 pm

1 stop8h 19m

Harlingen Valley Intl

Sun 9/28

5:45 am-2:21 pm

1 stop7h 36m

$260

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 11/4

12:45 pm-11:14 pm

2 stops11h 29m

Harlingen Valley Intl

Wed 11/12

5:40 am-6:03 pm

2 stops11h 23m

$261

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 10/7

9:00 am-2:19 pm

1 stop6h 19m

Harlingen Valley Intl

Fri 10/10

3:14 pm-10:28 pm

1 stop6h 14m

$263

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Wed 9/24

10:40 am-4:02 pm

1 stop6h 22m

Harlingen Valley Intl

Mon 9/29

5:17 pm-11:59 pm

1 stop5h 42m

$274

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Mon 10/6

9:00 am-2:19 pm

1 stop6h 19m

Harlingen Valley Intl

Sat 10/11

3:14 pm-10:28 pm

1 stop6h 14m

$277

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Wed 9/24

9:20 am-4:02 pm

2 stops7h 42m

Harlingen Valley Intl

Mon 9/29

5:17 pm-11:59 pm

1 stop5h 42m

$279

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Wed 9/24

2:10 pm-9:52 pm

2 stops8h 42m

Harlingen Valley Intl

Mon 9/29

2:05 pm-11:57 pm

2 stops8h 52m

$299

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 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.

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

Best Price Found

$126

Fastest flight time

5h 26m

Direct flights

None

Airports in Harlingen, Texas

1 airport
The best one-way flight to Harlingen, Texas from Detroit in the past 72 hours is $126. The best round-trip flight deal from Detroit to Harlingen, Texas found on momondo in the last 72 hours is $251.
The fastest flight from Detroit to Harlingen, Texas takes 5h 26m
There are no direct flights from Detroit to Harlingen, Texas. Popular non-direct route for this connection is Detroit Metropolitan Wayne County Airport - Harlingen Valley Intl Airport.
There is 1 airport near Harlingen, Texas: Harlingen Valley Intl (HRL)
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 5h 26m.

  • 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
American AirlinesPriceFrom $208Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
8.0
7,983 reviews
Search Delta flights
United AirlinesPriceFrom $311Free CancellationRating
7.4
8,904 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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