Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Detroit to Harlingen from $165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Harlingen departing on 6/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Detroit to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:01 am - 3:05 pm
DTW
-
HRL
8h 04m
1 stop
American Airlines Logo
10:45 am - 7:02 pm
HRL
-
DTW
7h 17m
1 stop
$231American Airlines
Tue, Sep 15 - Wed, Sep 23
American Airlines Logo
8:01 am - 3:05 pm
DTW
-
HRL
8h 04m
1 stop
American Airlines Logo
10:45 am - 7:02 pm
HRL
-
DTW
7h 17m
1 stop
$246American Airlines
Tue, Sep 15 - Wed, Sep 23
American Airlines Logo
8:01 am - 3:05 pm
DTW
-
HRL
8h 04m
1 stop
American Airlines Logo
5:02 pm - 11:43 pm
HRL
-
DTW
5h 41m
1 stop
$252American Airlines
Tue, Sep 15 - Thu, Sep 24
American Airlines Logo
10:21 am - 4:58 pm
DTW
-
HRL
7h 37m
2 stops
American Airlines Logo
10:45 am - 7:02 pm
HRL
-
DTW
7h 17m
1 stop
$294American Airlines
Tue, Sep 15 - Wed, Sep 23
American Airlines Logo
6:34 am - 4:58 pm
DTW
-
HRL
11h 24m
2 stops
American Airlines Logo
10:45 am - 7:02 pm
HRL
-
DTW
7h 17m
1 stop
$307American Airlines
Tue, Sep 15 - Wed, Sep 23
United Airlines Logo
11:00 am - 3:59 pm
DTW
-
HRL
5h 59m
1 stop
United Airlines Logo
7:15 am - 8:39 pm
HRL
-
DTW
12h 24m
2 stops
$312United Airlines
Tue, Sep 29 - Wed, Sep 30
American Airlines Logo
12:52 pm - 10:47 pm
DTW
-
HRL
10h 55m
2 stops
American Airlines Logo
5:02 pm - 11:43 pm
HRL
-
DTW
5h 41m
1 stop
$313American Airlines
Tue, Sep 15 - Thu, Sep 24
American Airlines Logo
12:52 pm - 10:47 pm
DTW
-
HRL
10h 55m
2 stops
American Airlines Logo
5:02 pm - 11:43 pm
HRL
-
DTW
5h 41m
1 stop
$315American Airlines
Tue, Sep 15 - Thu, Sep 24
United Airlines Logo
7:30 am - 3:59 pm
DTW
-
HRL
9h 29m
2 stops
United Airlines Logo
5:05 am - 3:27 pm
HRL
-
DTW
9h 22m
2 stops
$317United Airlines
Tue, Sep 29 - Wed, Sep 30
American Airlines Logo
5:37 am - 10:12 am
DTW
-
HRL
5h 35m
1 stop
American Airlines Logo
4:58 pm - 11:40 pm
HRL
-
DTW
5h 42m
1 stop
$329American Airlines
Thu, Jul 9 - Thu, Jul 16

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Detroit to Harlingen

Our best American Airlines deals on Detroit to Harlingen flight tickets
American Airlines
Sep 15
DTW8:01 amDetroit Metropolitan Wayne County
8h 04m
1 stop
HRL3:05 pmHarlingen Valley Intl
Sep 23
HRL10:45 amHarlingen Valley Intl
7h 17m
1 stop
DTW7:02 pmDetroit Metropolitan Wayne County
$231
American Airlines
Sep 15
DTW8:01 amDetroit Metropolitan Wayne County
8h 04m
1 stop
HRL3:05 pmHarlingen Valley Intl
Sep 23
HRL10:45 amHarlingen Valley Intl
7h 17m
1 stop
DTW7:02 pmDetroit Metropolitan Wayne County
$246
American Airlines
Sep 15
DTW8:01 amDetroit Metropolitan Wayne County
8h 04m
1 stop
HRL3:05 pmHarlingen Valley Intl
Sep 24
HRL5:02 pmHarlingen Valley Intl
5h 41m
1 stop
DTW11:43 pmDetroit Metropolitan Wayne County
$252

Southwest flights from Detroit to Harlingen

Our best Southwest deals on Detroit to Harlingen flight tickets
Southwest
Jun 23
DTW6:40 amDetroit Metropolitan Wayne County
7h 50m
2 stops
HRL1:30 pmHarlingen Valley Intl
Jun 27
HRL2:45 pmHarlingen Valley Intl
7h 30m
2 stops
DTW11:15 pmDetroit Metropolitan Wayne County
$553
Southwest
Jun 20
DTW8:55 amDetroit Metropolitan Wayne County
7h 40m
2 stops
HRL3:35 pmHarlingen Valley Intl
Jun 21
HRL3:40 pmHarlingen Valley Intl
6h 30m
2 stops
DTW11:10 pmDetroit Metropolitan Wayne County
$753
Southwest
Jun 19
DTW10:45 amDetroit Metropolitan Wayne County
8h 10m
2 stops
HRL5:55 pmHarlingen Valley Intl
Jun 21
HRL3:40 pmHarlingen Valley Intl
6h 30m
2 stops
DTW11:10 pmDetroit Metropolitan Wayne County
$756

momondo 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, momondo users made 832,500 searches. Data last updated June 13, 2026.
Use the filters below to find and compare flights from Detroit to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 9/15

8:01 am-3:05 pm

1 stop8h 04m

Harlingen Valley Intl

Wed 9/23

10:45 am-7:02 pm

1 stop7h 17m

$231

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 9/15

8:01 am-3:05 pm

1 stop8h 04m

Harlingen Valley Intl

Wed 9/23

10:45 am-7:02 pm

1 stop7h 17m

$246

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 9/15

8:01 am-3:05 pm

1 stop8h 04m

Harlingen Valley Intl

Thu 9/24

5:02 pm-11:43 pm

1 stop5h 41m

$252

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 9/15

10:21 am-4:58 pm

2 stops7h 37m

Harlingen Valley Intl

Wed 9/23

10:45 am-7:02 pm

1 stop7h 17m

$294

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 9/15

6:34 am-4:58 pm

2 stops11h 24m

Harlingen Valley Intl

Wed 9/23

10:45 am-7:02 pm

1 stop7h 17m

$307

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 9/29

11:00 am-3:59 pm

1 stop5h 59m

Harlingen Valley Intl

Wed 9/30

7:15 am-8:39 pm

2 stops12h 24m

$312

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 9/15

12:52 pm-10:47 pm

2 stops10h 55m

Harlingen Valley Intl

Thu 9/24

5:02 pm-11:43 pm

1 stop5h 41m

$313

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 9/15

12:52 pm-10:47 pm

2 stops10h 55m

Harlingen Valley Intl

Thu 9/24

5:02 pm-11:43 pm

1 stop5h 41m

$315

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Tue 9/29

7:30 am-3:59 pm

2 stops9h 29m

Harlingen Valley Intl

Wed 9/30

5:05 am-3:27 pm

2 stops9h 22m

$317
Quickest round-trip

DetroitHarlingen

DTW - HRL

DTWHRL

Detroit Metropolitan Wayne County

Thu 7/9

5:37 am-10:12 am

1 stop5h 35m

Harlingen Valley Intl

Thu 7/16

4:58 pm-11:40 pm

1 stop5h 42m

$329

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Harlingen from

How to get the cheapest flight ticket from Detroit to Harlingen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Detroit and Harlingen?

What is the cheapest month to fly to Harlingen?

If you aren’t able to travel during the month of November, then book flights to Harlingen from Detroit during January instead. Flights to Harlingen in January, while not as cheap as those in November, still average around $202.

Can stopping save me money on Detroit to Harlingen flights?

You could potentially save up to 20% on your flight if you consider stops on a Detroit to Harlingen flight.

When to book flights from Detroit to Harlingen

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to Harlingen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Detroit to Harlingen (DTT to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to Harlingen

Fastest flight time

5h 59m

Direct flights

None
The fastest flight from Detroit to Harlingen takes 5h 59m
There are no direct flights from Detroit to Harlingen. There are no popular flight routes from Detroit to Harlingen.
Search flight deals

Frequently asked questions about flying from Detroit to Harlingen

  • How far is Detroit to Harlingen Valley Intl by plane?

    The distance between Detroit and Harlingen Valley Intl is about 1388.9 mi. By plane, this route typically takes 5h 59m.

  • When did momondo last update prices for flights from Detroit to Harlingen Valley Intl Airport?

    Prices for flights from Detroit to Harlingen Valley Intl Airport were last updated today.

  • How many operators does momondo search for flights from Detroit to Harlingen Valley Intl Airport?

  • How old do you have to be to fly from Detroit to Harlingen Valley Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Detroit to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The necessary travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Detroit to Harlingen?

Best airlines flying from Detroit to Harlingen

Compare and see reviews for airlines that fly from Detroit to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $259Free CancellationRating
7.1
11,648 reviews
Search American Airlines flights
United AirlinesPriceFrom $261Free CancellationRating
7.4
9,815 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to Harlingen?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Detroit to Harlingen for you.

Can I find flights from Detroit to Harlingen with flexible booking policies on momondo?

All flight searches from Detroit to Harlingen on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Detroit to Harlingen?

momondo provides multiple filters to help you find the best flight to Harlingen from Detroit. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Detroit to Harlingen right now. Can momondo alert me if prices change?

Price alerts on flights to Harlingen from Detroit are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Harlingen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 7/13
Mon 7/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States