Cheap flights from Harlingen to Seattle (HRL - SEA)

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

All the information you need to plan the best HRL to SEA flight in 2021: compare Harlingen to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
HRL - SEA
Price
$177 - $447
SEA
Temperature
41 - 66.2 °F
SEA
Precipitation
0.7 - 6.6 inches

Popular in

June

High demand for flights, 31% potential price rise

Cheapest in

May

Best time to find cheap flights, 43% potential price drop

Average price

$320

Average for round-trip flights in November 2021

Round-trip from

$177

From Harlingen Valley Intl to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Harlingen, Texas to Seattle?

Flights from Harlingen, Texas to Seattle are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

When is the cheapest time to fly from Harlingen, Texas to Seattle (HRL - SEA)?

It’s typically best to fly out from Harlingen, Texas to Seattle at noon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest month to fly from Harlingen, Texas to Seattle?

May is one of the best times of the year to fly to Seattle from Harlingen, Texas. Prices for May average $310 per person but you can even find prices for as low as $176. The most expensive prices can be found in the month of June. Opting for a May flight can save you 44% on your journey compared to booking in May

Cheap flights from Harlingen to Seattle in November, December 2021

The best prices found for HRL to SEA flights for November, December
14 Dec - 3 Jan
$383pp
HRL
Harlingen Valley Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
HRL
Harlingen Valley Intl
13 Dec - 3 Jan
$387pp
HRL
Harlingen Valley Intl
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
HRL
Harlingen Valley Intl
13 Dec - 3 Jan
$388pp
HRL
Harlingen Valley Intl
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
HRL
Harlingen Valley Intl

Harlingen Valley Intl to Seattle 2022 flight deals

Cheap flights to Seattle from Harlingen found for next year
14 Dec - 3 Jan
$383pp
HRL
Harlingen Valley Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
HRL
Harlingen Valley Intl
13 Dec - 3 Jan
$387pp
HRL
Harlingen Valley Intl
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
HRL
Harlingen Valley Intl
13 Dec - 3 Jan
$388pp
HRL
Harlingen Valley Intl
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
HRL
Harlingen Valley Intl

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Harlingen</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Harlingen to Seattle

Which airlines flying from Harlingen Valley Intl to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Harlingen Valley Intl to Seattle/Tacoma Intl that may be offering flexible cancellation policies are United Airlines, American Airlines, and Frontier. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Harlingen, Texas to Seattle for under $300 on Cheapflights?

Yes, there are multiple flights from Harlingen, Texas to Seattle for under $300. The cheapest flight booked recently is on American Airlines for just $255, but on average you can expect to pay $407.

What are the cheapest airlines flying from Harlingen, Texas to Seattle round-trip?

American Airlines, at $255, was found to be the cheapest airline from Harlingen, Texas to Seattle. An alternate airline flying to your destination would be United Airlines. American Airlines is currently priced 17% below the average price you’ll pay for this route.

What are the cheapest flights from Harlingen, Texas to Seattle?

Looking for the cheapest flight from Harlingen, Texas to Seattle? While on average our users pay $209, our data indicates the cheapest price to be $100. The most popular route (Harlingen Valley Intl - Seattle/Tacoma Intl), is priced around $260.

What are the most popular airlines that fly from Harlingen, Texas to Seattle?

The most popular airlines flying from Harlingen, Texas to Seattle are American Airlines, Frontier and United Airlines. Something to consider prior to booking your flight.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Harlingen?

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

Most visitors from Harlingen Valley Intl need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Harlingen Valley Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Harlingen Valley Intl are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Harlingen from Seattle?

Returning to Harlingen Valley Intl from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Harlingen Valley Intl.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Harlingen Valley Intl.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for Harlingen to Seattle

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

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Harlingen to Seattle.
Average temperature for November in Seattle
51.8 °F
Avg rainfall for November in Seattle
6.5 ″

Airports servicing Harlingen

Airports servicing Seattle

Top 3 airlines flying from Harlingen Valley Intl to Seattle/Tacoma Intl

The chart below displays the airlines Cheapflights users traveling from Harlingen to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$106 $201 No cancel fee 62%
United Airlines
$234 $401 No cancel fee 69%
American Airlines
$235 $438 No cancel fee 71%
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