How long is the flight from Detroit to Harlingen, Texas?

For as low as $251, American Airlines can have you in Harlingen, Texas from Detroit in 6h 46m. Airlines will cover a distance of 1369 mi.

What are the cheapest airlines flying from Detroit to Harlingen, Texas round-trip?

Cheapflights users have booked flights from Detroit to Harlingen, Texas round-trip from $128. Other airlines that can offer you cheap pricing are United Airlines, from $144, and American Airlines, from $208. You may be able to fly from Detroit to Harlingen, Texas for 68% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Harlingen, Texas ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen, Texas when rainfall is around 1.1 in.

If weather is an important factor for your trip to Harlingen, Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

What are the most popular airlines that fly from Detroit to Harlingen, Texas?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Detroit to Harlingen, Texas.

Most accurate provider : When it comes to deals on Detroit-Harlingen, Texas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Detroit-Harlingen, Texas flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Detroit-Harlingen, Texas flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Detroit-Harlingen, Texas flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Harlingen, Texas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Detroit to Harlingen that include hotel bookings?

Yes. In addition to deals on Detroit to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Detroit to Harlingen?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Harlingen.

Can I find deals for business class flights from Detroit to Harlingen?

Yes. Cheapflights offers flight deals from Detroit to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$170+ Flights from Detroit to Harlingen, TX

Q: How much does it cost to fly round-trip from Detroit to Harlingen, Texas?

Airfare is below average for this route at the moment. Detroit to Harlingen, Texas flights typically cost between $252 and $310 in January. The cheapest round-trip price found within the last 3 days was $251 on American Airlines (Jan 17-Jan 24).

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Cheap flight deals from Detroit to Harlingen

Cheapest flights from Detroit to Harlingen
Explore the most affordable flight options available from Detroit to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Mon 12/299:12 amDTW - HRL

2 stops11h 24mUnited Airlines

Thu 1/15:20 pmHRL - DTW

1 stop5h 23mUnited Airlines

Deal found 12/27

$554

Tue 12/306:00 amDTW - HRL

1 stop6h 13mUnited Airlines

Wed 12/317:00 amHRL - DTW

1 stop7h 49mUnited Airlines

Deal found 12/27

$569

Tue 12/306:00 amDTW - HRL

1 stop6h 13mUnited Airlines

Thu 1/15:20 pmHRL - DTW

1 stop5h 23mUnited Airlines

Deal found 12/27

$589

Mon 12/299:12 amDTW - HRL

2 stops11h 24mUnited Airlines

Wed 12/317:00 amHRL - DTW

1 stop7h 49mUnited Airlines

Deal found 12/27

$614

Mon 12/297:00 amDTW - HRL

1 stop8h 20mDelta

Wed 12/313:15 pmHRL - DTW

1 stop7h 02mDelta

Deal found 12/27

$619

Tue 12/306:00 amDTW - HRL

1 stop6h 13mUnited Airlines

Fri 1/212:15 pmHRL - DTW

2 stops10h 23mUnited Airlines

Deal found 12/27

$624

Mon 12/2911:53 amDTW - HRL

1 stop8h 23mAmerican Airlines

Thu 1/12:48 pmHRL - DTW

1 stop7h 09mAmerican Airlines

Deal found 12/27

$629

Best flights from Detroit to Harlingen
Discover carefully curated flight deals from Detroit to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Sat 1/175:35 pmDTW - HRL

1 stop6h 46mAmerican Airlines

Sat 1/243:22 pmHRL - DTW

1 stop6h 13mAmerican Airlines

Deal found 12/27

$251

Mon 2/166:05 amDTW - HRL

1 stop6h 19mUnited Airlines

Fri 2/205:20 pmHRL - DTW

1 stop5h 39mUnited Airlines

Deal found 12/25

$328

Thu 1/221:23 pmDTW - HRL

1 stop5h 51mAmerican Airlines

Mon 1/263:22 pmHRL - DTW

1 stop6h 13mAmerican Airlines

Deal found 12/26

$312

Tue 1/208:15 amDTW - HRL

1 stop8h 51mUnited Airlines

Sat 1/245:25 pmHRL - DTW

1 stop5h 34mUnited Airlines

Deal found 12/26

$331

Tue 2/2411:29 amDTW - HRL

1 stop7h 47mAmerican Airlines

Sat 2/282:43 pmHRL - DTW

1 stop7h 33mAmerican Airlines

Deal found 12/26

$315

Wed 1/2810:56 amDTW - HRL

1 stop6h 10mUnited Airlines

Wed 2/412:10 pmHRL - DTW

2 stops10h 39mUnited Airlines

Deal found 12/27

$336

Last-minute flights from Detroit to Harlingen
Discover last-minute flight deals from Detroit to Harlingen. Data last updated December 28, 2025 and is based on user searches.

Sat 1/175:35 pmDTW - HRL

1 stop6h 46mAmerican Airlines

Sat 1/243:22 pmHRL - DTW

1 stop6h 13mAmerican Airlines

Deal found 12/27

$251

Tue 1/208:15 amDTW - HRL

1 stop8h 51mUnited Airlines

Sat 1/245:25 pmHRL - DTW

1 stop5h 34mUnited Airlines

Deal found 12/26

$331

Thu 1/221:23 pmDTW - HRL

1 stop5h 51mAmerican Airlines

Mon 1/263:22 pmHRL - DTW

1 stop6h 13mAmerican Airlines

Deal found 12/26

$312

Thu 1/228:15 amDTW - HRL

1 stop8h 51mUnited Airlines

Mon 1/267:00 amHRL - DTW

2 stops11h 36mUnited Airlines

Deal found 12/26

$354

Sat 1/245:35 pmDTW - HRL

1 stop6h 46mAmerican Airlines

Sat 1/313:22 pmHRL - DTW

1 stop6h 13mAmerican Airlines

Deal found 12/27

$252

Sat 1/245:30 amDTW - HRL

2 stops11h 36mUnited Airlines

Sat 1/315:25 pmHRL - DTW

1 stop5h 34mUnited Airlines

Deal found 12/27

$337

One-way flights from Detroit to Harlingen
Search for one-way flight options from Detroit to Harlingen. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Mon 1/125:35 pmDTW - HRL

1 stop6h 46mAmerican Airlines

Deal found 12/26

$170

Fri 1/167:00 amDTW - HRL

1 stop8h 39mDelta

Deal found 12/26

$190

Sun 1/48:59 amDTW - HRL

1 stop6h 21mDelta

Deal found 12/26

$205

Wed 1/71:08 pmDTW - HRL

2 stops11h 13mAmerican Airlines

Deal found 12/26

$210

Sat 1/38:05 amDTW - HRL

2 stops12h 36mAmerican Airlines

Deal found 12/26

$220

Fri 1/1611:05 amDTW - HRL

2 stops11h 54mUnited Airlines

Deal found 12/26

$259

Sun 1/45:49 amDTW - HRL

2 stops8h 37mUnited Airlines

Deal found 12/26

$315

Sat 1/34:42 pmDTW - HRL

3 stops43h 05mMultiple Airlines

Deal found 12/26

$478

Sun 1/411:03 amDTW - HRL

3 stops24h 44mMultiple Airlines

Deal found 12/26

$606

Find flight deals from Detroit to Harlingen

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$251 (American Airlines)
One-way from	$170 (American Airlines)
Popular in	October
Cheapest in	April
Average price	$587

Provider with most accurate pricing for Detroit (DTT)-Harlingen Valley Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Detroit (DTT)-Harlingen Valley Intl flights.

Search Deals

From Detroit (DTT) to Harlingen Valley Intl

Search Deals

One-way flight from Detroit (DTT) to Harlingen Valley Intl

Search Deals

Highest demand for flights based on searches. 32% potential increase in price ($197 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 11% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sat 1/17

5:35 pm-11:21 pm

1 stop6h 46m

Harlingen Valley Intl

Sat 1/24

3:22 pm-10:35 pm

1 stop6h 13m

$251

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

$312

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 2/24

11:29 am-6:16 pm

1 stop7h 47m

Harlingen Valley Intl

Sat 2/28

2:43 pm-11:16 pm

1 stop7h 33m

$315

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Mon 2/16

6:05 am-11:24 am

1 stop6h 19m

Harlingen Valley Intl

Fri 2/20

5:20 pm-11:59 pm

1 stop5h 39m

$328

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 1/20

8:15 am-4:06 pm

1 stop8h 51m

Harlingen Valley Intl

Sat 1/24

5:25 pm-11:59 pm

1 stop5h 34m

$331

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Wed 1/28

10:56 am-4:06 pm

1 stop6h 10m

Harlingen Valley Intl

Wed 2/4

12:10 pm-11:49 pm

2 stops10h 39m

$336

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Thu 1/15

8:15 am-4:06 pm

1 stop8h 51m

$170

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Fri 1/16

7:00 am-2:39 pm

1 stop8h 39m

$190

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Wed 1/7

11:20 am-6:14 pm

1 stop7h 54m

$205

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sat 1/3

8:55 am-2:20 pm

1 stop6h 25m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 15 results

Compare providers for flights from Detroit to Harlingen

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Harlingen in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Detroit-Harlingen, Texas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Detroit-Harlingen, Texas flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Detroit-Harlingen, Texas flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Detroit-Harlingen, Texas flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Harlingen, Texas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Detroit to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Detroit with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Detroit to Harlingen

What is the cheapest month to book a flight from Detroit to Harlingen, Texas?

Currently, November is the cheapest month in which you can book a flight from Detroit to Harlingen, Texas (average of $128). Flying from Detroit to Harlingen, Texas in December is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DTT to HRL?

It’s optimal to fly from Detroit to Harlingen, Texas in the evening. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from Detroit to Harlingen, Texas?

Reviews of airlines servicing Harlingen

Peruse reviews from past customers who have flown with American Airlines from Detroit to Harlingen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

11,072 reviews

Reviews

1 / 20

8.0

Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

American Airlines

7.2

Good

11,072 reviews

American Airlines

7.2

Good

11,072 reviews

Reviews

1 / 20

8.0

Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

How long is the flight from Detroit to Harlingen, Texas?
For as low as $251, American Airlines can have you in Harlingen, Texas from Detroit in 6h 46m. Airlines will cover a distance of 1369 mi.
What are the cheapest airlines flying from Detroit to Harlingen, Texas round-trip?
Cheapflights users have booked flights from Detroit to Harlingen, Texas round-trip from $128. Other airlines that can offer you cheap pricing are United Airlines, from $144, and American Airlines, from $208. You may be able to fly from Detroit to Harlingen, Texas for 68% less than the average price by searching for these airlines.
Can I find deals for flights from Detroit to Harlingen that include hotel bookings?
Yes. In addition to deals on Detroit to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Detroit to Harlingen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Harlingen.
Can I find deals for business class flights from Detroit to Harlingen?
Yes. Cheapflights offers flight deals from Detroit to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Detroit to Harlingen, Texas?
Currently, November is the cheapest month in which you can book a flight from Detroit to Harlingen, Texas (average of $128). Flying from Detroit to Harlingen, Texas in December is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Detroit to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$128	Average$353	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$208	Average$348	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$292	Average$365	FlexibilityNo cancel fee	On-time69%

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$170+ Cheap flights from Detroit to Harlingen, TX (DTT - HRL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Detroit to Harlingen with Cheapflights

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Cheap flight deals from Detroit to Harlingen

Cheapest flights from Detroit to HarlingenExplore the most affordable flight options available from Detroit to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Explore the most affordable flight options available from Detroit to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Find flight deals from Detroit to Harlingen

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Detroit to Harlingen that are best for you.

Compare providers for flights from Detroit to Harlingen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Harlingen in December.

Best time to book a flight from Detroit to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Detroit with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Detroit to Harlingen

What is the cheapest month to book a flight from Detroit to Harlingen, Texas?

What is the cheapest time of day to fly from DTT to HRL?

Find hourly flight availability from Detroit to Harlingen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 28, 2025.

How much does it cost to fly round-trip from Detroit to Harlingen, Texas?

Reviews of airlines servicing Harlingen

Peruse reviews from past customers who have flown with American Airlines from Detroit to Harlingen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Detroit to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Detroit to Harlingen, Texas?

What are the cheapest airlines flying from Detroit to Harlingen, Texas round-trip?

Can I find deals for flights from Detroit to Harlingen that include hotel bookings?

How can I find direct flights from Detroit to Harlingen?

Can I find deals for business class flights from Detroit to Harlingen?

What is the cheapest month to book a flight from Detroit to Harlingen, Texas?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Detroit to Harlingen

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Top 3 airlines flying from Detroit to Harlingen

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Cheapest flights from Detroit to Harlingen
Explore the most affordable flight options available from Detroit to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.