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Harlingen

$225+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HRL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$225
(Southwest)
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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/9. 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 10/187:00 amDTW - HRL
1 stop8h 26mDelta
Sat 10/253:00 pmHRL - DTW
1 stop6h 31mDelta
Deal found 6/9$280
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/55:28 amDTW - HRL
1 stop5h 09mAmerican Airlines
Sat 8/92:47 pmHRL - DTW
1 stop6h 37mAmerican Airlines
Deal found 6/11$289
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 7/258:20 amDTW - HRL
1 stop6h 00mUnited Airlines
Sun 7/275:20 pmHRL - DTW
1 stop5h 39mUnited Airlines
Deal found 6/12$328
This Southwest deal was found by Cheapflights users on 6/11. 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.
Thu 7/316:05 amDTW - HRL
2 stops6h 25mSouthwest
Mon 8/45:30 pmHRL - DTW
2 stops6h 35mSouthwest
Deal found 6/11$337

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 June 12, 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 8/5

5:28 am-9:37 am

1 stop5h 09m

Harlingen Valley Intl

Sat 8/9

2:47 pm-10:24 pm

1 stop6h 37m

$289

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Fri 7/25

8:20 am-1:20 pm

1 stop6h 00m

Harlingen Valley Intl

Sun 7/27

5:20 pm-11:59 pm

1 stop5h 39m

$328

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Thu 7/31

6:05 am-11:30 am

2 stops6h 25m

Harlingen Valley Intl

Mon 8/4

5:30 pm-1:05 am

2 stops6h 35m

$337

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sat 6/21

12:10 pm-11:05 pm

2 stops11h 55m

$225

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sun 6/15

7:15 am-4:00 pm

2 stops9h 45m

$313

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Sat 6/21

5:30 am-9:35 am

1 stop5h 05m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 $395). 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 June 12, 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.

Rainfall in Harlingen by month

Plan your trip to Harlingen by taking into account the average rainfall totals by month.

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.

Temperature in Harlingen by month

Plan your trip to Harlingen by taking into account the average temperature totals by month.

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).

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 June 12, 2025.
Read through reviews of airlines operating flights from Detroit to Harlingen, such as Southwest, United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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
4,287 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

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 $289. Other airlines that can offer you cheap pricing are United Airlines, from $328, and Southwest, from $337.

  • 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 $225 on Southwest. Other airlines that offer cheap prices include United Airlines from $313 and American Airlines from $353 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 $395). 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

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Alternative routes for Detroit to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$208Average$370FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$337FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$311Average$517FlexibilityNo cancel feeOn-time69%

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