$170+ Cheap flights from Harlingen to Detroit (HRL - DTT)
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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — DTT
Dec 3 — Dec 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Harlingen to Detroit with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Harlingen to Detroit
Cheapest
Best
Last-minute
One-way
Cheapest flights from Harlingen to DetroitExplore the most affordable flight options available from Harlingen to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
Explore the most affordable flight options available from Harlingen to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:24 pm -
1 stop8h 27m
Wed 1/68:00 am -
1 stop7h 20m
Deal found 11/1![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 11/1. 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.
Thu 12/1012:50 pm -
2 stops7h 10m
Wed 1/65:25 am -
2 stops7h 55m
Deal found 11/1![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/61:59 pm -
1 stop7h 28m
Mon 11/1610:59 am -
1 stop6h 02m
Deal found 10/31![United Airlines logo]()
$494
This Southwest deal was found by Cheapflights users on 10/31. 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.
Fri 11/61:00 pm -
2 stops8h 25m
Mon 11/161:25 pm -
2 stops9h 25m
Deal found 10/31![Southwest logo]()
$504
This Southwest deal was found by Cheapflights users on 10/31. 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 12/2412:50 pm -
2 stops7h 35m
Sun 12/273:45 pm -
2 stops9h 25m
Deal found 10/31![Southwest logo]()
$530
This Southwest deal was found by Cheapflights users on 10/30. 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.
Fri 11/201:00 pm -
2 stops8h 25m
Sun 11/2211:40 am -
2 stops10h 50m
Deal found 10/30![Southwest logo]()
$538
This Southwest deal was found by Cheapflights users on 11/1. 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.
Fri 11/61:00 pm -
2 stops8h 55m
Mon 11/91:30 pm -
2 stops11h 05m
Deal found 11/1![Southwest logo]()
$545
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:50 pm -
1 stop8h 03m
Mon 11/234:36 pm -
1 stop7h 37m
Deal found 11/1![American Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/61:59 pm -
1 stop7h 28m
Sun 11/158:45 am -
1 stop8h 16m
Deal found 10/29![United Airlines logo]()
$574
Best flights from Harlingen to DetroitDiscover carefully curated flight deals from Harlingen to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
Discover carefully curated flight deals from Harlingen to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Thu 2/254:25 pm -
1 stop6h 19m
Mon 3/17:00 am -
2 stops9h 44m
Deal found 10/31![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 10/30. 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 4/2212:50 pm -
1 stop5h 45m
Wed 4/2810:45 am -
1 stop7h 30m
Deal found 10/30![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sat 1/162:06 pm -
1 stop7h 39m
Sun 1/248:35 am -
1 stop5h 55m
Deal found 10/31![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 11/1. 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.
Thu 12/1012:50 pm -
2 stops7h 10m
Wed 1/65:25 am -
2 stops7h 55m
Deal found 11/1![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Tue 1/54:35 pm -
1 stop5h 10m
Tue 1/198:35 am -
1 stop8h 18m
Deal found 11/2![United Airlines logo]()
$384
Last-minute flights from Harlingen to DetroitDiscover last-minute flight deals from Harlingen to Detroit. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to Detroit. Data last updated November 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/61:59 pm -
1 stop7h 28m
Mon 11/1610:59 am -
1 stop6h 02m
Deal found 10/31![United Airlines logo]()
$494
This Southwest deal was found by Cheapflights users on 10/31. 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.
Fri 11/61:00 pm -
2 stops8h 25m
Mon 11/161:25 pm -
2 stops9h 25m
Deal found 10/31![Southwest logo]()
$504
This Southwest deal was found by Cheapflights users on 11/1. 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.
Fri 11/61:00 pm -
2 stops8h 55m
Mon 11/91:30 pm -
2 stops11h 05m
Deal found 11/1![Southwest logo]()
$545
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/61:59 pm -
1 stop7h 28m
Sun 11/158:45 am -
1 stop8h 16m
Deal found 10/29![United Airlines logo]()
$574
This Southwest deal was found by Cheapflights users on 10/30. 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.
Fri 11/201:00 pm -
2 stops8h 25m
Sun 11/2211:40 am -
2 stops10h 50m
Deal found 10/30![Southwest logo]()
$538
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:50 pm -
1 stop8h 03m
Mon 11/234:36 pm -
1 stop7h 37m
Deal found 11/1![American Airlines logo]()
$561
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:24 pm -
1 stop8h 27m
Wed 1/68:00 am -
1 stop7h 20m
Deal found 11/1![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 11/1. 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.
Thu 12/1012:50 pm -
2 stops7h 10m
Wed 1/65:25 am -
2 stops7h 55m
Deal found 11/1![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 10/31. 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 12/2412:50 pm -
2 stops7h 35m
Sun 12/273:45 pm -
2 stops9h 25m
Deal found 10/31![Southwest logo]()
$530
One-way flights from Harlingen to DetroitSearch for one-way flight options from Harlingen to Detroit. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
Search for one-way flight options from Harlingen to Detroit. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 1/64:35 pm -
1 stop5h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![United Airlines logo]()
$170
This Southwest deal was found by Cheapflights users on 11/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/67:50 am -
2 stops7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Southwest logo]()
$175
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/245:56 am -
1 stop7h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/245:05 am -
2 stops9h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![United Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 11/1. 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.
Tue 1/512:50 pm -
2 stops7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Southwest logo]()
$220
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 1/62:50 pm -
1 stop7h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![American Airlines logo]()
$223
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 1/59:20 am -
2 stops10h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$231
This American Airlines deal was found by Cheapflights users on 10/31. 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 11/275:40 am -
1 stop7h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![American Airlines logo]()
$251
Find flight deals from Harlingen to Detroit
Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Detroit (DTT). 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 November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (United Airlines) |
One-way from | $170 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Harlingen to Detroit 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 7,457,451 searches. Data last updated November 3, 2026.
Use the filters below to find and compare flights from Harlingen to Detroit that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HarlingenDetroit
HRL Harlingen Valley Intl - DTW Detroit Metropolitan Wayne County
HRLDTW
Harlingen Valley Intl
Wed 1/6
4:35 pm-10:45 pm
1 stop5h 10m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
HarlingenDetroit
HRL Harlingen Valley Intl - DTW Detroit Metropolitan Wayne County
HRLDTW
Harlingen Valley Intl
Wed 1/6
7:50 am-3:50 pm
2 stops7h 00m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$175
HarlingenDetroit
HRL Harlingen Valley Intl - DTW Detroit Metropolitan Wayne County
HRLDTW
Harlingen Valley Intl
Wed 3/24
5:56 am-2:38 pm
1 stop7h 42m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$180
HarlingenDetroit
HRL Harlingen Valley Intl - DTW Detroit Metropolitan Wayne County
HRLDTW
Harlingen Valley Intl
Wed 1/6
2:50 pm-11:38 pm
1 stop7h 48m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$223
HarlingenDetroit
HRL Harlingen Valley Intl - DTW Detroit Metropolitan Wayne County
HRLDTW
Harlingen Valley Intl
Tue 1/5
12:50 pm-9:00 pm
2 stops7h 10m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$235
HarlingenDetroit
HRL Harlingen Valley Intl - DTW Detroit Metropolitan Wayne County
HRLDTW
Harlingen Valley Intl
Tue 1/5
4:35 pm-10:45 pm
1 stop5h 10m
Detroit Metropolitan Wayne County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$235
HarlingenDetroit
HRL Harlingen Valley Intl - DTW Detroit Metropolitan Wayne County
HRLDTW
Harlingen Valley Intl
Thu 2/25
4:25 pm-11:44 pm
1 stop6h 19m
Detroit Metropolitan Wayne County
Mon 3/1
7:00 am-3:44 pm
2 stops9h 44m
$344
HarlingenDetroit
HRL Harlingen Valley Intl - DTW Detroit Metropolitan Wayne County
HRLDTW
Harlingen Valley Intl
Sat 1/16
2:06 pm-10:45 pm
1 stop7h 39m
Detroit Metropolitan Wayne County
Sun 1/24
8:35 am-1:30 pm
1 stop5h 55m
$349
HarlingenDetroit
HRL Harlingen Valley Intl - DTW Detroit Metropolitan Wayne County
HRLDTW
Harlingen Valley Intl
Thu 4/22
12:50 pm-7:35 pm
1 stop5h 45m
Detroit Metropolitan Wayne County
Wed 4/28
10:45 am-5:15 pm
1 stop7h 30m
$359
HarlingenDetroit
HRL Harlingen Valley Intl - DTW Detroit Metropolitan Wayne County
HRLDTW
Harlingen Valley Intl
Thu 12/10
12:50 pm-9:00 pm
2 stops7h 10m
Detroit Metropolitan Wayne County
Wed 1/6
5:25 am-12:20 pm
2 stops7h 55m
$379
Showing 1-10 of 11 resultsSorted by cheapest first
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Harlingen-Detroit flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen-Detroit flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen-Detroit flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Harlingen-Detroit flights, Cheapflights users trust FlightHub the most. FlightHub 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-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.
HRL-DTT
HRL-DTW
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 Harlingen to Detroit
HRL-DTT
HRL-DTW
No data available for this route at this time. Please check back soon.
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.
Traveling to a place near Detroit?
Book flights to Detroit if you plan to visit one of these locationsRoseville
Port Huron
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Detroit flight routes
Flights by cabin class
Other flight options
Other flights from Harlingen
Popular flights