Cheap flights from Sidney to Seattle from $237

Cheap flights from Sidney to Seattle from $237

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3 stops
Sun, May 31
Sidney SDYSeattle SEA

$237
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3 stops
Sat, May 30
Sidney SDYSeattle SEA

$305
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3 stops
Thu, May 28
Sidney SDYSeattle SEA

$394
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3 stops
Thu, May 28
Sidney SDYSeattle SEA

$413
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3 stops
Thu, May 28
Sidney SDYSeattle SEA

$423
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3 stops
Sun, May 31
Sidney SDYSeattle SEA

$453
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1 stop
Fri, May 29 – Tue, Jun 2
Sidney SDYSeattle SEA

$375
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1 stop
Fri, May 29 – Wed, Jun 3
Sidney SDYSeattle SEA

$375
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1 stop
Fri, May 29 – Tue, Jun 2
Sidney SDYSeattle SEA

$386
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1 stop
Tue, May 26 – Sat, May 30
Sidney SDYSeattle SEA

$396
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1 stop
Wed, May 27 – Sat, May 30
Sidney SDYSeattle SEA

$407
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1 stop
Fri, May 29 – Tue, Jun 2
Sidney SDYSeattle SEA

$459
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Key info about flying to Seattle

Depart from
Sidney–Richland Municipal
Arrive to
Seattle–Tacoma International
Average flights per week
38
Flight distance
Worth visiting
Lulu Island

Check-in for a flight from Sidney to Seattle

NameCarrier codeIATA CodePassport needed during booking
Cape AirKAP9KYes
Allegiant AirAAYG4No
Alaska AirlinesASAASNo
Frontier AirlinesFFTF9No
Harbour Air (Priv)HESYBNo

Weather in Seattle

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C2°C
March10°C3°C
April13°C5°C
May18°C8°C
June21°C10°C
July25°C13°C
August25°C14°C
September22°C11°C
October15°C8°C
November10°C4°C
December6°C2°C
Hottest Month
25°C
August
Coldest month
2°C
February
Sunny days
254
days per year
Snow days
5
days per year

14 day forecast

Saturday
16 May
92%
12°C6°C
23 May
21°C8°C
Sunday
17 May
85%
17°C6°C
24 May
21°C7°C
Monday
18 May
17°C7°C
25 May
75%
15°C7°C
Tuesday
19 May
89%
19°C10°C
26 May
89%
11°C5°C
Wednesday
20 May
20°C9°C
27 May
86%
15°C4°C
Thursday
21 May
20°C9°C
28 May
83%
13°C10°C
Friday
22 May
19°C10°C
29 May
85%
16°C9°C
Book your trip to arrive at Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, or Boeing Field. The most popular airlines for this route are Cape Air, Allegiant Air, Alaska Airlines, Frontier Airlines, and Harbour Air (Priv). Sidney and Seattle have 38 direct flights per week.

Frequently asked questions

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When’s the best time to travel between Sidney and Seattle?
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How many airports are there near Sidney?
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What time do nonstop (direct) flights between Sidney and Seattle depart?
What time do nonstop (direct) flights between Sidney and Seattle arrive?
What time do flights between Sidney and Seattle depart?
What time do flights between Sidney and Seattle arrive?

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Flights from Sidney

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The nearest countries with flights to Seattle

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