Cheap flights from Springfield, MO to Seattle, WA

Choose between Allegiant Air, Alaska 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 Allegiant Air, Alaska Airlines, United Airlines, Frontier Airlines, and Spirit Airlines. Springfield and Seattle have 112 direct flights per week.

Check-in for a flight from Springfield to Seattle

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

Monday
22 Apr
15°C4°C
29 Apr
86%
9°C4°C
Tuesday
23 Apr
20°C5°C
30 Apr
12°C3°C
Wednesday
24 Apr
86%
15°C7°C
1 May
85%
12°C4°C
Thursday
25 Apr
75%
9°C8°C
2 May
85%
11°C7°C
Friday
26 Apr
89%
10°C8°C
3 May
82%
15°C7°C
Saturday
27 Apr
88%
14°C7°C
4 May
83%
9°C4°C
Sunday
28 Apr
80%
12°C5°C
5 May
86%
15°C2°C

Frequently asked questions

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What airports are near Springfield?
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Is it possible to combine flights, buses, and trains in one itinerary when traveling between Springfield and Seattle?
What is Virtual Interlining and how do I use it?
Which airlines fly between Springfield and Seattle?
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What time do nonstop (direct) flights between Springfield and Seattle depart?
What time do nonstop (direct) flights between Springfield and Seattle arrive?
What time do flights between Springfield and Seattle depart?
What time do flights between Springfield and Seattle arrive?

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