Cheapest routes found recently
Cheapest price by month
| Month | Round trip from |
|---|---|
| November 2026 | $157 |
| December 2026 | $127 |
| January 2027 | $168 |
| February 2027 | $211 |
| March 2027 | $253 |
| April 2027 | $361 |
| May 2027 | $753 |
| June 2027 | $818 |
Weather by month
The warmest month in Seattle is August, around 24 °C by day; the coolest is January, around 2 °C at night. The wettest month is December, with about 159 mm of rain, and the driest July, with about 25 mm.
| Month | Day °C | Night °C | Rain |
|---|---|---|---|
| January | 7.4° | 1.6° | 135 mm wet |
| February | 9.3° | 2.2° | 106 mm wet |
| March | 11.6° | 3.2° | 104 mm wet |
| April | 14.4° | 5.0° | 75 mm moderate |
| May | 17.9° | 7.9° | 50 mm moderate |
| June | 20.9° | 10.5° | 42 mm moderate |
| July | 23.8° | 12.5° | 25 mm dry |
| August | 24.2° | 12.9° | 31 mm moderate |
| September | 21.0° | 10.6° | 46 mm moderate |
| October | 15.6° | 6.9° | 84 mm moderate |
| November | 10.1° | 4.1° | 147 mm wet |
| December | 7.2° | 1.7° | 159 mm wet |
Best time to go
No month in Seattle combines the cheapest fares with mild weather, so go on price: the cheapest time to fly is November, December, January, from $127.
-
November
$157
10 °C wet
-
December
$127
7 °C wet
-
January
$168
7 °C wet
Cheapest departure city each month
-
November
San Francisco $157 -
December
San Francisco $127 -
January
San Diego $168 -
February
San Francisco $211 -
March
San Diego $253 -
April
San Diego $361
Airports
100% of the cheapest flights to Seattle land at Seattle-Tacoma International Airport, 18 km from the centre.
- Seattle-Tacoma International Airport SEA 18 km from centre · 100% of arrivals
Airlines
-
United Airlines
8 routes
-
American Airlines
5 routes
-
Alaska Airlines
5 routes
-
Frontier Airlines
5 routes
-
Southwest Airlines
5 routes
-
Turkish Airlines
3 routes
-
Lufthansa
2 routes
-
Air Canada
1 route
Practical facts
The local currency is USD. Clocks are set to UTC-8. Sockets are type A, B and the mains supply is 120 V, 60 Hz. The main language is English. The international dialling code is +1, and traffic drives on the right.
-
USD
Currency
-
UTC-8
Time zone
-
A, B
Plug type
-
120 V, 60 Hz
Mains supply
-
English
Languages
-
+1
Dialling code
-
Right
Traffic
-
eSIM
Mobile data · Airalo
Also consider flying to
-
Portland
235 km away $364
Questions and answers
- Which month is the cheapest to fly to Seattle?
- December is currently the cheapest month, with tickets from $127.
- From where is it cheapest to fly to Seattle right now?
- The cheapest departure city found is San Francisco, from $157 in November.
- Are there direct flights to Seattle?
- Yes. Of 8 routes with recent prices, 6 have direct flights.
- Which airlines fly to Seattle?
- Airlines found on these routes: United Airlines, American Airlines, Alaska Airlines, Frontier Airlines, Southwest Airlines.
- Is there a cheaper nearby airport for Seattle?
- Portland is 235 km away, with flights from $364.
- What is the weather like in Seattle in August?
- The warmest month in Seattle is August, with daytime highs around 24 °C and about 31 mm of rain.
- When is the best time to visit Seattle?
- On price alone, the cheapest time to fly is November, December, January, from $127.
- Which currency is used in Seattle?
- The currency is USD. Sockets are type A, B and the mains supply is 120 V, 60 Hz.
- Which airport should I fly into for Seattle?
- Seattle-Tacoma International Airport takes 100% of the cheapest flights and is 18 km from the centre.
Prices last updated Nov. 4, 2026
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