A bird with red and white plumage perched on green foliage.

CA $259 Cheap Flights from Detroit (DTT) to Harlingen (HRL)

View CA $259 flight on Wed, Jan 6, 2027

Popular airlines from Detroit to Harlingen, TX (HRL-Valley Intl.)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards

    Sign in

  • Find the cheapest flights on Expedia from Detroit (DTT) to Harlingen (HRL). Flight ticket prices change frequently based on availability and demand. We send price‑drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia for this route in the past 7 days starts at CA $259 for travel on January 6, 2027.

    Cheap Flights from Detroit to Harlingen (DTT-HRL)

    Prices were available within the past 7 days and start at CA $259 for one-way flights and CA $515 for roundtrip, for the period specified. Prices and availability are subject to change.

    All deals

    One way

    Roundtrip

    Select Delta flight, departing Sat, Dec 12 from Detroit to Harlingen, returning Sat, Dec 26, priced at CA $515 Found 3 days ago

    Sat, Dec 12 - Sat, Dec 26 · DTW · HRL · Roundtrip

    Select American Airlines flight, departing Sun, Jan 31 from Detroit to Harlingen, returning Sun, Feb 14, priced at CA $521 Found 6 hours ago

    Sun, Jan 31 - Sun, Feb 14 · DTW · HRL · Roundtrip

    Select American Airlines flight, departing Sun, Jan 31 from Detroit to Harlingen, returning Sun, Feb 14, priced at CA $522 Found 6 hours ago

    Sun, Jan 31 - Sun, Feb 14 · DTW · HRL · Roundtrip

    Select American Airlines flight, departing Sun, Jan 31 from Detroit to Harlingen, returning Sun, Feb 14, priced at CA $537 Found 6 hours ago

    Sun, Jan 31 - Sun, Feb 14 · DTW · HRL · Roundtrip

    Select Southwest Airlines flight, departing Fri, Apr 30 from Detroit to Harlingen, returning Wed, May 5, priced at CA $549 Found 6 hours ago

    Fri, Apr 30 - Wed, May 5 · DTW · HRL · Roundtrip

    Select Southwest Airlines flight, departing Wed, Dec 16 from Detroit to Harlingen, returning Sat, Dec 26, priced at CA $572 Found 6 hours ago

    Wed, Dec 16 - Sat, Dec 26 · DTW · HRL · Roundtrip · Foun · d 6 hours ago

    Select American Airlines flight, departing Wed, Dec 2 from Detroit to Harlingen, returning Sat, Dec 19, priced at CA $578 Found 6 hours ago

    Wed, Dec 2 - Sat, Dec 19 · DTW · HRL · Roundtrip

    Select Delta flight, departing Wed, Dec 2 from Detroit to Harlingen, returning Sat, Dec 19, priced at CA $586 Found 6 hours ago

    Wed, Dec 2 - Sat, Dec 19 · DTW · HRL · Roundtrip

    Select American Airlines flight, departing Sun, Jan 31 from Detroit to Harlingen, returning Sun, Feb 14, priced at CA $590 Found 6 hours ago

    Sun, Jan 31 - Sun, Feb 14 · DTW · HRL · Roundtrip

    Select United flight, departing Wed, Dec 16 from Detroit to Harlingen, returning Sat, Dec 26, priced at CA $607 Found 6 hours ago

    Wed, Dec 16 - Sat, Dec 26 · DTW · HRL · Roundtrip

    Alternative airports near Harlingen

    Prices were available within the past 7 days. Prices and availability are subject to change.

    Select flight to Valley Intl. HRL. Cheapest and Closest option available. Average driving time to city centre is 7 minutes. Flights from CA $794

    7 min

    Book with confidence

    Detroit to Harlingen Flights

    The easy way to book your flights from Detroit to Harlingen

    With Expedia, it’s simple to find and book flights to Harlingen from Detroit whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 4 airlines that cover this route. There are nonstop flights to Valley Intl., too.

    Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Detroit to Harlingen today, tomorrow, or this week.

    Save dollars with cheap flights from DTT-All Airports, DTT to Valley Intl., HRL

    Sort your search results by price to find great deals on your flight from Detroit to Harlingen—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Harlingen from Detroit currently is just CA $515 rising to CA $607.

    Here are more money-saving tips:

    • Fly in December when flight prices are normally at their lowest
    • Book about a month to 6 weeks before you travel for the best prices to Harlingen
    • Avoid peak season and weekends when flights can cost more
    • Early morning and late-night flights are sometimes cheaper, so try varying your travel times
    • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!

    Reasons to choose Expedia for your flight to Harlingen from Detroit

    Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Harlingen with Expedia today.

    Travel information

    Origin airportDetroit, MI
    Destination airportValley Intl. Airport
    Distance2,196 km away
    Roundtrip priceCA $515

    Explore a world of travel with Expedia

    *Available to Expedia members.