Open interactive map →Cheap flights from Seattle to San Diego
Planning a trip from Seattle to San Diego? Tracked fares start at €161 to United States. Tracked fares on this route include at least one stop. Use the price calendar to compare months SkyHopp has data for, then click through to check seats and dates.
This is a tracked route from Seattle to San Diego in United States. The lowest observed fare is €161. If your dates are flexible, compare the months that already have fares in the calendar.
One-way fares
From €161
Cheapest tracked fare
Return fares
From €188
Tracked return fares (out 7 Nov 2026, back 10 Nov 2026)
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Get an email when Seattle to San Diego fares are at or below your target price. The email includes the fare.
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Cheapest month to fly
- November 2026€1611 stopCheapest
SkyHopp has tracked fares for this route in November at around €161. That is the only month with data so far, so it is too early to name a cheapest month.
Cheapest fare last seen 22 October 2026.
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 San Diego
Frequently asked questions
How much does a flight from Seattle to San Diego cost?
The cheapest tracked fare from Seattle to San Diego is €161. The month-by-month price calendar on this page lists the months SkyHopp has fares for. A tracked return fare on this pair is currently from €188. Fares are refreshed as our flight partners publish new availability.
Are there direct flights from Seattle to San Diego?
SkyHopp has not observed a non-stop fare from Seattle to San Diego in the current dataset. Tracked fares on this pair include at least one stop. Schedules change - check the booking site for a full breakdown by stop count on your dates.
When is the cheapest time to fly from Seattle to San Diego?
SkyHopp does not yet have enough months of fares on this route to name a cheapest month. The calendar above lists the months that already have data. Set a price alert on this page to watch the fare.