What is the cheapest airline to fly from Harlingen, Texas to Detroit round-trip?

Currently priced at $256, American Airlines will fly you from Harlingen, Texas to Detroit and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Users have found that American Airlines is 31% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in Detroit ranges from 1.8 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Detroit when rainfall is around 1.8 in.

If weather is an important factor for your trip to Detroit, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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

When flying from Harlingen, Texas to Detroit, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Most trusted provider : When it comes to deals on Harlingen, Texas-Detroit 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 Harlingen, Texas-Detroit 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 Harlingen to Detroit that include hotel bookings?

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

How can I find direct flights from Harlingen to Detroit?

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

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

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

Find Flights from Harlingen, TX to Detroit

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Cheap flight deals from Harlingen to Detroit

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Popular in	February
Cheapest in	January
Average price	$378

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

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

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High demand for flights, 3% potential price rise

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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Compare providers for flights from Harlingen to Detroit

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

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

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

Have a flexible travel schedule? Discover the best time to fly to Detroit from Harlingen 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.

Reviews of airlines servicing Detroit

Peruse reviews from past customers who have flown with American Airlines from Harlingen to Detroit 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

11,035 reviews

Reviews

1 / 20

6.0

Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

American Airlines

7.2

Good

11,035 reviews

American Airlines

7.2

Good

11,035 reviews

Reviews

1 / 20

6.0

Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

What is the cheapest airline to fly from Harlingen, Texas to Detroit round-trip?
Currently priced at $256, American Airlines will fly you from Harlingen, Texas to Detroit and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Users have found that American Airlines is 31% cheaper than the other options available to this destination.
Can I find deals for flights from Harlingen to Detroit that include hotel bookings?
Yes. In addition to deals on Harlingen to Detroit flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Harlingen to Detroit?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to Detroit.
Can I find deals for business class flights from Harlingen to Detroit?
Yes. Cheapflights offers flight deals from Harlingen to Detroit by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Roseville

Port Huron

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Top airline flying from Harlingen to Detroit

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$256	Average$348	FlexibilityNo cancel fee	On-time71%

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

Find cheap flights from Harlingen to Detroit with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Harlingen to Detroit

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Compare providers for flights from Harlingen to Detroit

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 Harlingen to Detroit in October.

Best time to book a flight from Harlingen to Detroit

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

Reviews of airlines servicing Detroit

Peruse reviews from past customers who have flown with American Airlines from Harlingen to Detroit 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 Harlingen to Detroit. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Harlingen, Texas to Detroit round-trip?

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

How can I find direct flights from Harlingen to Detroit?

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

Traveling to a place near Detroit?

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Alternative routes for Harlingen to Detroit

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Top airline flying from Harlingen to Detroit

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