Cheap flights from Jacksonville, FL to Seattle, WA

Flights starting at £74. Choose between Alaska Airlines, Frontier Airlines, or United Airlines to find the best price.

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Book your trip to arrive at Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base. The most popular airlines for this route are Alaska Airlines, Frontier Airlines, United Airlines, Allegiant Air, and Spirit Airlines. Jacksonville and Seattle have 223 direct flights per week.

Check-in for a flight from Jacksonville to Seattle

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Allegiant AirAAYG4NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight

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
250
days per year
Snow days
5
days per year

14 day forecast

Thursday
4 Apr
81%
9°C4°C
11 Apr
18°C7°C
Friday
5 Apr
13°C3°C
12 Apr
88%
10°C5°C
Saturday
6 Apr
84%
10°C5°C
13 Apr
13°C3°C
Sunday
7 Apr
89%
10°C3°C
14 Apr
14°C3°C
Monday
8 Apr
13°C2°C
15 Apr
82%
11°C7°C
Tuesday
9 Apr
84%
13°C8°C
16 Apr
80%
11°C5°C
Wednesday
10 Apr
16°C6°C
17 Apr
89%
10°C4°C

Frequently asked questions

What are the most popular routes to and from Jacksonville?
What are the most popular routes to and from Seattle?
What airports are near Jacksonville?
What airports are near Seattle?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Jacksonville and Seattle?
What is Virtual Interlining and how do I use it?
Which airlines fly between Jacksonville and Seattle?
When's the best time to travel between Jacksonville and Seattle?
What flights operate between Jacksonville and Seattle?
How many airports are there near Jacksonville?
How many airports are there near Seattle?
What time do nonstop (direct) flights between Jacksonville and Seattle depart?
What time do nonstop (direct) flights between Jacksonville and Seattle arrive?
What time do flights between Jacksonville and Seattle depart?
What time do flights between Jacksonville and Seattle arrive?

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