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Harlingen

$146+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HRL
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$269
(Delta)

One-way from

$146
(American Airlines)
From Detroit (DTT) to Harlingen Valley Intl
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One-way flight from Detroit (DTT) to Harlingen Valley Intl
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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 July 2, 2025.

This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:00 amDTW - HRL
1 stop6h 26mDelta
Sat 10/253:00 pmHRL - DTW
1 stop6h 31mDelta
Deal found 7/2$269
This American Airlines deal was found by Cheapflights users on 7/2. 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 10/181:02 pmDTW - HRL
2 stops11h 02mAmerican Airlines
Sat 10/2510:08 amHRL - DTW
2 stops12h 16mAmerican Airlines
Deal found 7/2$301
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/202:13 pmDTW - HRL
2 stops10h 05mUnited Airlines
Mon 10/275:16 pmHRL - DTW
1 stop5h 26mUnited Airlines
Deal found 7/2$354
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:10 amDTW - HRL
2 stops8h 55mSouthwest
Sun 9/216:00 amHRL - DTW
2 stops11h 15mSouthwest
Deal found 7/1$370

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 July 2, 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

Sat 10/18

9:00 am-2:26 pm

1 stop6h 26m

Harlingen Valley Intl

Sat 10/25

3:00 pm-10:31 pm

1 stop6h 31m

$269

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sat 10/18

1:02 pm-11:04 pm

2 stops11h 02m

Harlingen Valley Intl

Sat 10/25

10:08 am-11:24 pm

2 stops12h 16m

$301

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Mon 10/20

2:13 pm-11:18 pm

2 stops10h 05m

Harlingen Valley Intl

Mon 10/27

5:16 pm-11:42 pm

1 stop5h 26m

$354

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sat 9/13

7:10 am-3:05 pm

2 stops8h 55m

Harlingen Valley Intl

Sun 9/21

6:00 am-6:15 pm

2 stops11h 15m

$370

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sat 8/9

11:51 am-6:00 pm

1 stop7h 09m

$146

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Wed 7/9

4:15 pm-10:50 pm

2 stops7h 35m

$220

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 7/8

8:20 am-1:20 pm

1 stop6h 00m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 $390). 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 July 2, 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 July 2, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,983 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 $269. Other airlines that can offer you cheap pricing are American Airlines, from $301, and United Airlines, from $354.

  • What are the cheapest airlines to fly from Detroit to Harlingen, Texas one-way?

    One-way options have recently been found by users for as low as $146 on American Airlines. Other airlines that offer cheap prices include Southwest from $220 and United Airlines from $235 one-way.

  • 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 $390). 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$208Average$392FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$337FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$311Average$365FlexibilityNo cancel feeOn-time69%

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