Cheap flights from Harlingen, TX to Seattle, WA

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Book your trip to arrive at Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base. The most popular airline for this route is United Airlines. Harlingen and Seattle have 40 direct flights per week.

Check-in for a flight from Harlingen to Seattle

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes

Weather in Seattle

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C1°C
March10°C3°C
April13°C4°C
May18°C8°C
June21°C10°C
July25°C13°C
August26°C14°C
September22°C11°C
October15°C7°C
November10°C4°C
December6°C1°C
Hottest Month
26°C
August
Coldest month
1°C
February
Sunny days
251
days per year
Snow days
5
days per year

14 day forecast

Wednesday
30 Oct
88%
9°C7°C
6 Nov
12°C6°C
Thursday
31 Oct
85%
12°C7°C
7 Nov
88%
16°C8°C
Friday
1 Nov
83%
10°C6°C
8 Nov
84%
10°C8°C
Saturday
2 Nov
88%
9°C6°C
9 Nov
83%
10°C8°C
Sunday
3 Nov
88%
11°C6°C
10 Nov
88%
10°C7°C
Monday
4 Nov
11°C4°C
11 Nov
87%
9°C7°C
Tuesday
5 Nov
87%
10°C6°C
12 Nov
80%
10°C7°C

Frequently asked questions

What are the most popular routes to and from Harlingen?
What are the most popular routes to and from Seattle?
What airports are near Harlingen?
What airports are near Seattle?
Which airlines fly between Harlingen and Seattle?
When's the best time to travel between Harlingen and Seattle?
What flights operate between Harlingen and Seattle?
How many airports are there near Harlingen?
How many airports are there near Seattle?
What time do nonstop (direct) flights between Harlingen and Seattle depart?
What time do nonstop (direct) flights between Harlingen and Seattle arrive?
What time do flights between Harlingen and Seattle depart?
What time do flights between Harlingen and Seattle arrive?

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