Cheap flights from Seattle to Harlingen (SEA - HRL) from $381

This is the cheapest one-way flight price, found on 5/24. Prices may vary by date and flight preferences.
SEA — HRL
May 30 — Jun 61

How to find the cheapest flight from Seattle (SEA) to Harlingen (HRL)

All the information you need to plan the best SEA to HRL flight in 2023: compare Seattle to Harlingen flight prices with the expected peak season, weather and rainfall in Harlingen.

Popular in

December

Cheapest in

May

Average price

$390

Round-trip from

$390
High demand for flights, 35% potential price rise
Best time to find cheap flights, 38% potential price drop
Average for round-trip flights in May 2023
From Seattle/Tacoma Intl to Harlingen Valley Intl

SEA - HRL

Price

$390 - $977

HRL

Temperature

60.8 - 84.2 °F

HRL

Rainfall

1.1 - 5.2 inches

Cheap flights from Seattle to Harlingen in May, June 2023

The best prices found for SEA to HRL flights for May, June
Listed are some of the best fares we've found on flights departing from Seattle to Harlingen in 2023. Check back in a little while for more flight options.

Seattle to Harlingen 2023 flight deals

Cheap flights to Harlingen from Seattle found for this year
Listed are some of the best fares we've found on flights departing from Seattle to Harlingen in 2023. Check back in a little while for more flight options.

Cheap American Airlines flights from Seattle to Harlingen

Consider these cheap American Airlines flights we've found departing from Seattle to Harlingen. Be sure to come back soon if the deals available don't appeal to you at this time.

Cheap United Airlines flights from Seattle to Harlingen

Some of the best deals we've found on United Airlines flights traveling from Seattle to Harlingen. Check back soon if you're not seeing flights that suit your needs.

Non-stop flights to Harlingen from Seattle

Save time with Seattle to Harlingen direct flight deals
Consider booking one of these non-stop flights heading from Seattle to Harlingen. Those looking to potentially save on 1 or 2-stop flights from Seattle to Harlingen should utilize the search form at the the top of the page.

One-way flights to Harlingen from Seattle

The cheapest one-way flights from Seattle to Harlingen
Users in need of a one-way flight from Seattle to Harlingen can choose from these deals. Those needing a return flight from Seattle to Harlingen can use the search form above.

Find flights from Seattle to Harlingen within your budget

Use the slider to find flights from Seattle to Harlingen that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$381 - $672

Route

Depart

Return

Price

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 10/17

1 stop7h 39m

Harlingen Valley Intl

Tue 10/31

1 stop6h 36m

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 10/17

1 stop7h 39m

Harlingen Valley Intl

Tue 10/31

2 stops12h 33m

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Wed 10/18

2 stops11h 09m

Harlingen Valley Intl

Tue 10/31

2 stops10h 21m

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 10/6

1 stop9h 20m

Harlingen Valley Intl

Fri 10/13

1 stop14h 47m

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 10/6

1 stop9h 20m

Harlingen Valley Intl

Fri 10/13

2 stops26h 32m

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 10/5

1 stop7h 39m

Harlingen Valley Intl

Fri 10/13

1 stop8h 43m

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Wed 6/28

1 stop9h 18m

Harlingen Valley Intl

Fri 7/7

1 stop23h 56m

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Wed 6/28

1 stop9h 18m

Harlingen Valley Intl

Fri 7/7

2 stops19h 02m

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 6/20

Nonstop1h 58m

Harlingen Valley Intl

Fri 6/23

Nonstop5h 58m

Flights are sorted by cheapest first

Deals found on 5/24

Reviews of Airlines Servicing Harlingen

To help decide which airline to fly from Seattle to Harlingen, see what other customers have to say about American Airlines, United Airlines and Undisclosed Carrier. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.6
Good
1,488 reviews

Entertainment

7.1

Overall

7.6

Crew

8.2

Food

6.8

Boarding

7.8

Comfort

7.4

Reviews

1 / 10

Offer better food instead of these Halloween type snacks . Service very scrimps . More passenger service would be bettte . Also one of the attendants was often seen with his hands in pants or. hands crossed walking the isles . I did not like that

United Airlines
7.6
Good
1,488 reviews
United Airlines
7.6
Good
1,488 reviews

Entertainment

7.1

Overall

7.6

Crew

8.2

Food

6.8

Boarding

7.8

Comfort

7.4

Reviews

1 / 10

Offer better food instead of these Halloween type snacks . Service very scrimps . More passenger service would be bettte . Also one of the attendants was often seen with his hands in pants or. hands crossed walking the isles . I did not like that

American Airlines
7.4
Good
2,147 reviews
United Airlines
7.6
Good
1,488 reviews

Entertainment

7.1

Overall

7.6

Crew

8.2

Food

6.8

Boarding

7.8

Comfort

7.4

Reviews

1 / 10

Offer better food instead of these Halloween type snacks . Service very scrimps . More passenger service would be bettte . Also one of the attendants was often seen with his hands in pants or. hands crossed walking the isles . I did not like that

Related info for your journey

Useful info, stats and facts about Seattle to Harlingen flights.

Alternative routes for Seattle to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Seattle to Harlingen

The chart below displays the airlines Cheapflights users traveling from Seattle to Harlingen choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapest$331Average$590FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$400Average$543FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
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