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Harlingen

$221+ Cheap flights from Detroit to Harlingen, TX (DTT - HRL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HRL
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Detroit to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 16, 2025.

Round-trip from

$226
(American Airlines)

Popular in

October

Cheapest in

April

Average price

$318
From Detroit (DTT) to Harlingen Valley Intl
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find 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 August 16, 2025.

This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:50 pmDTW - HRL
1 stop8h 24mAmerican Airlines
Wed 11/124:02 pmHRL - DTW
1 stop5h 53mAmerican Airlines
Deal found 8/14$221
This American Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/184:09 pmDTW - HRL
1 stop7h 55mAmerican Airlines
Sat 10/252:50 pmHRL - DTW
1 stop6h 44mAmerican Airlines
Deal found 8/15$251
This American Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2012:24 pmDTW - HRL
2 stops11h 33mAmerican Airlines
Tue 10/145:25 amHRL - DTW
1 stop7h 40mAmerican Airlines
Deal found 8/15$256
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:00 amDTW - HRL
1 stop8h 19mAmerican Airlines
Tue 9/162:51 pmHRL - DTW
1 stop6h 49mAmerican Airlines
Deal found 8/14$260
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:05 pmDTW - HRL
1 stop7h 52mAmerican Airlines
Fri 9/192:51 pmHRL - DTW
1 stop6h 42mAmerican Airlines
Deal found 8/14$269

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit 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, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2025.
Use the filters below to find and compare flights from Detroit to Harlingen that are best for you.

Fly from

Detroit

Fly to

Harlingen

Route

Depart

Return

Price

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 11/4

3:50 pm-11:14 pm

1 stop8h 24m

Harlingen Valley Intl

Wed 11/12

4:02 pm-10:55 pm

1 stop5h 53m

$221

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sat 9/20

4:05 pm-10:57 pm

1 stop7h 52m

Harlingen Valley Intl

Tue 10/14

5:25 am-2:05 pm

1 stop7h 40m

$251

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

2:50 pm-10:34 pm

1 stop6h 44m

$251

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sat 9/27

7:00 am-2:19 pm

1 stop8h 19m

Harlingen Valley Intl

Tue 10/14

5:25 am-2:05 pm

1 stop7h 40m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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, April is the cheapest month in which you can book a flight from Detroit to Harlingen, Texas (average of $267). Flying from Detroit to Harlingen, Texas in June is currently the most expensive (average of $381). 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?

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 August 16, 2025.

It’s optimal to fly from Detroit to Harlingen, Texas in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated August 16, 2025.
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
10,000 reviews

Comfort

7.2

Food

6.5

Boarding

7.5

Entertainment

6.9

Overall

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Boarding

7.5

Entertainment

6.9

Overall

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

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.

  • 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 $208. Other airlines that can offer you cheap pricing are Delta, from $256, and United Airlines, from $311. You may be able to fly from Detroit to Harlingen, Texas for 47% 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, April is the cheapest month in which you can book a flight from Detroit to Harlingen, Texas (average of $267). Flying from Detroit to Harlingen, Texas in June is currently the most expensive (average of $381). 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.

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Top 3 airlines flying from Detroit to Harlingen

Discover the top 3 airlines that operate flights from Detroit to Harlingen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$208Average$366FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$347FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$311Average$365FlexibilityNo cancel feeOn-time69%

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