May is the cheapest month to fly this route, with average fares around $821 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $821 | $780 | Best | |
| June 2026 | $969 | $800 | Peak | |
| July 2026 | $951 | $890 | ||
| August 2026 | $920 | $910 |
Departing on Tuesday offers the lowest average fares at $914. Friday departures are the most expensive at $962, a difference of $48.
The best time to fly is May. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Seattle to Paris is May, with average round-trip fares around $821. The lowest fare found in May is $780.
Tuesday departures are the cheapest, averaging $914 round trip. The most expensive day is Friday at $962.
Based on current pricing trends, booking for May travel offers the best value. Avoid June if possible, as fares average $969 compared to $821 in the cheapest month. July is a solid middle-ground option at $951.
Flying in May instead of June can save you approximately $148 per round trip. The cheapest month averages $821 while the most expensive averages $969.
Airlines, flight times, price calendar, and more for Seattle to Paris
View SEA → CDG Details