Washington San Jose flights

Washington (DCA, IAD)San Jose (SJO)
from€140

Last observed price · Last checked: 27 Aug 2026 · Price may change

Short answer

The lowest fare our own searches returned is €140, seen on 27 Aug 2026. The average across the fares we caught is €177. October 2026 is the cheapest month in our observations, at €140. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

Selected search
Last checked: 27 Aug 2026 · Price may change
€140
Sat 31 Oct 2026
One way
Cheapest
Last checked: 27 Aug 2026 · Price may change
€140 lowest€177 average5h 01m fastest
Options found on this date

Tickets found in the last 7 days

The lowest fares our queries caught, cheapest first.

Starting prices by month

The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.

Observed priceLowest monthno price observedLast checked: 27 Aug 2026
Washington → San JoseSat 31 Oct 2026 · €140

Round trip

Route facts

Cheapest month
October 2026
€140
Average observed
€177
Typical duration
7h
Alternative airports
1
IAD

Frequently asked

How much is a flight from Washington to San Jose?+

The lowest fare we have observed is €140, found on 27 Aug 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Washington to San Jose?+

In our observations October 2026 is the cheapest month so far, at €140.

Similar routes

More routes from Washington

More routes to San Jose

Last checked: 27 Aug 2026