Open interactive map →Cheap flights from San Francisco to Seattle
Cheap flights from San Francisco to Seattle, United States currently start at €39. Multiple carriers serve this route at competitive fares. Non-stop flights are available on this route, cutting total travel time significantly. The flight typically takes around 2h 47min. Browse the month-by-month price calendar below to find when fares are lowest, then click through to book.
Prices to Seattle are typically lowest in the shoulder months shown in the calendar above. Searching for mid-week flights and avoiding school holiday windows can meaningfully cut costs on this route. If you're open on destination, use the interactive map from San Francisco to compare Seattle against nearby alternatives - you may find a cheaper fare to a similar destination.
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Cheapest month to fly
- October 2026€39DirectCheapest
Based on tracked fares, October is the cheapest month to fly this route at around €39.
Prices last updated: September 2026
October in Seattle
Avg 11°C~12 rainy days
Historical averages from Open-Meteo. Shown for the cheapest travel month.
Entry requirements for United States
EU passportESTA required (visa-waiver)
US passportN/A (domestic)
Requirements vary by nationality and change without notice. Check requirements for your nationality →
Alternative routes
Other ways to reach Seattle
Frequently asked questions
How much does a flight from San Francisco to Seattle cost?
The cheapest fare currently available from San Francisco to Seattle is €39. Prices on this route vary by season, day of week, and how far in advance you book. The month-by-month price calendar on this page shows exactly when fares are highest and lowest, so you can pick the most cost-effective window before searching for specific dates. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from San Francisco to Seattle?
Yes - non-stop flights are currently available from San Francisco to Seattle. The cheapest direct fare starts at €39, making it a convenient option if you want to avoid layover time. Direct flights are generally quicker and less stressful, especially for shorter trips to United States. Click through to the booking site to check live availability and schedules for your dates.
When is the cheapest time to fly from San Francisco to Seattle?
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from San Francisco. The month-by-month price calendar above is the fastest way to identify the cheapest window - look for the months with the lowest fares before committing to travel dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.