C$ 146+ Cheap flights from Harlingen

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
HRL — SEA
23 May — 30 May1
1 adult
1 adult, Economy, 0 bags

Find flights from Harlingen within your budget

 
Find flights departing from Harlingen that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 23 April 2026. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Fri 11/9

10:55 a.m.-5:05 p.m.

2 stops8h 10m

Seattle/Tacoma Intl

Tue 22/9

8:55 a.m.-9:45 p.m.

1 stop10h 50m

C$ 402

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Sat 5/9

2:00 p.m.-9:21 p.m.

1 stop9h 21m

Seattle/Tacoma Intl

Tue 15/9

7:00 a.m.-3:34 p.m.

1 stop6h 34m

C$ 425
Quickest round-trip

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Tue 1/9

1:45 p.m.-6:35 p.m.

1 stop6h 50m

Seattle/Tacoma Intl

Fri 4/9

12:35 p.m.-8:30 p.m.

1 stop5h 55m

C$ 455

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Tue 5/5

9:20 a.m.-6:32 p.m.

2 stops11h 12m

Seattle/Tacoma Intl

Sat 9/5

8:38 a.m.-9:59 p.m.

2 stops11h 21m

C$ 479

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 8/7

5:00 p.m.-9:45 p.m.

1 stop6h 45m

Seattle/Tacoma Intl

Wed 15/7

11:10 a.m.-8:50 p.m.

1 stop7h 40m

C$ 494

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Fri 4/9

5:55 p.m.-12:40 a.m.

2 stops8h 45m

Seattle/Tacoma Intl

Sat 19/9

5:30 a.m.-6:50 p.m.

2 stops11h 20m

C$ 497

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Mon 8/6

5:40 p.m.-1:40 a.m.

2 stops10h 00m

Seattle/Tacoma Intl

Tue 16/6

5:15 a.m.-6:00 p.m.

2 stops10h 45m

C$ 518

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Fri 29/5

6:00 p.m.-12:55 a.m.

2 stops8h 55m

Seattle/Tacoma Intl

Tue 2/6

9:20 a.m.-8:55 p.m.

2 stops9h 35m

C$ 578

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Tue 19/5

6:20 a.m.-1:35 p.m.

2 stops9h 15m

Seattle/Tacoma Intl

Sat 23/5

6:40 a.m.-7:55 p.m.

2 stops11h 15m

C$ 591

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Sun 26/7

11:35 a.m.-6:55 p.m.

1 stop9h 20m

Seattle/Tacoma Intl

Fri 31/7

5:15 a.m.-5:00 p.m.

2 stops9h 45m

C$ 653

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/4

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Harlingen

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

Travel insights for flights from Harlingen

Get recent, data-driven insights about flights from Harlingen including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Harlingen?

Currently, February is the cheapest month in which you can book a flight from Harlingen (average of C$ 341). Flying from Harlingen in January will prove the most costly (average of C$ 825). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Harlingen?

From Harlingen you can expect to find greater availability for the following destinations: Houston (113 flights per day), Dallas (60 flights per day) and Minneapolis (19 flights per day).

Minneapolis St Paul
Minneapolis St Paul
From C$ 284

What is the cheapest place to fly to from Harlingen?

The cheapest city to fly to from Harlingen is Minneapolis St Paul, with prices starting at C$ 284. Explore other affordable destinations below.

Minneapolis St Paul
Minneapolis St Paul
From C$ 284

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Related info for your journey

Access useful and relevant information related to your journey from Harlingen. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 23 April 2026.

  • What are the most popular destinations to fly to from Harlingen?

    This month, the top selected destinations from Harlingen are Houston Hobby Airport, Philadelphia, Minneapolis. Throughout the year, Las Vegas, Dallas/Fort Worth Airport, Denver are some of the top choices made by users flying from Harlingen.

  • What is the cheapest flight from Harlingen to anywhere?

    Users have flown out of Harlingen for as low as C$ 284 to Minneapolis (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 300 to fly from Harlingen.

  • What is the cheapest month to fly from Harlingen?

    At the present moment the cheapest month to fly from Harlingen is currently February; with January being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • How does Cheapflights help users find flights from Harlingen?

    Deals for flights from Harlingen are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from Harlingen?

    Cheapflights simply makes it quick and affordable to book flights from Harlingen by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from Harlingen with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Harlingen flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from Harlingen become cheaper?

    Yes, Cheapflights offers price alerts on flights from Harlingen so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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How does Cheapflights help users find flights from Harlingen?

Deals for flights from Harlingen are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Harlingen?

Cheapflights simply makes it quick and affordable to book flights from Harlingen by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Harlingen with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Harlingen flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Harlingen become cheaper?

Yes, Cheapflights offers price alerts on flights from Harlingen so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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