Cheap Flights from Washington D.C. to San Jose from $106

Frequently Asked Questions

• What are the cheapest flights from Washington D.C. to San Jose (WAS-SJO)?

  Based on Trip.com data, Volaris El Salvador offers one-way fares as low as $106 on Cheapest nonstop routes (e.g. IAD to SJO on Sun, Feb 22), while Volaris El Salvador offers Cheapest nonstop round-trips from $244 departing on Sat, Mar 7 and returning on Wed, Mar 11.

• Which airlines offer direct flights from Washington D.C. to San Jose?

  At the moment, you can catch a nonstop flight from Washington D.C. to San Jose with the following airlines, including: avianca Copa Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Washington D.C. (WAS) to San Jose (SJO) and what is the distance?

  It takes around 6 hours 50 minutes to fly from Washington D.C. (WAS) to San Jose (SJO).

• When is the best time to book flights from Washington D.C. to San Jose?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to San Jose is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Washington D.C. to San Jose?

  Based on Trip.com data in the past 4 weeks, there is 6 flight per week flying from Washington D.C. to San Jose. You can check the weekly schedule for popular airlines on this route below: avianca: -/M/T/-/T/-/S -- AV655 (01:52)

• How can I find the best deals on flights from Washington D.C. to San Jose?

  To find best deals on flights from Washington D.C. to San Jose, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Feb 22, with one-way flights priced at just $106.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is avianca.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Jose travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Washington D.C. (WAS) to San Jose (SJO) the cheapest?

  The cheapest months to fly from Washington D.C. to San Jose is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Washington D.C. to San Jose on?

  After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Washington D.C. to San Jose on February 25, 2026 with Volaris El Salvador, with prices starting at $245.

• Which airports can I fly to for San Jose from Washington D.C.?

  You can land at any one of the following hubs in San Jose, with Dulles International Airport to Juan Santamaria International Airport (IAD-SJO) is by far the most common option on this route: Juan Santamaria International Airport (SJO) Tobias Bolaños International Airport (SYQ).

• Is there any time difference between Washington D.C. and San Jose?

  The time difference between San Jose and Washington D.C. is 1h.

• How do I change or cancel my ticket from Washington D.C. to San Jose?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.