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Find cheap one-way flights from Washington D.C. to San Jose starting at US$107.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Washington D.C. to San Jose

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Avianca
From US$107
Copa Airlines
From US$112
Delta Air Lines
From US$113
United Airlines
From US$140
Southwest Airlines
From US$146
Frontier Airlines
From US$157
Jetblue Airways
From US$173
American Airlines
From US$175
Volaris El Salvador
From US$193
Alaska Airlines
From US$248
ANA airlines

Find more flights and airlines

Find cheap flights from Washington D.C. to San Jose by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Washington D.C. to San Jose.

  • Cheapest
    Avianca
    IAD
    06:15
    11h 10m
    1 transfer
    SJO
    15:25
    Dulles International Airport - Juan Santamaria International Airport
    Sun, Apr 7Avianca
    US$107
  • United Airlines
    DCA
    19:35
    16h 28m
    1 transfer
    SJO
    10:03
    Ronald Reagan Washington National Airport - Juan Santamaria International Airport
    Sun, Apr 21United Airlines
    US$146
  • United Airlines
    DCA
    19:35
    16h 28m
    1 transfer
    SJO
    10:03
    Ronald Reagan Washington National Airport - Juan Santamaria International Airport
    Sun, Apr 21United Airlines
    US$146
    Find More Flights

Frequently Asked Questions

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

    Airlines adjust prices for flights from Washington D.C. to San Jose based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Washington D.C. (WAS) to San Jose (SJO) cost?

    According to Trip.com's data, the lowest price is around $508.
  • How long does it take to fly from Washington D.C. (WAS) to San Jose (SJO) and what is the distance?

    It takes around 5 hours 50 minutes to fly from Washington D.C. (WAS) to San Jose (SJO).
  • What is the transportation method from the main airport to downtown in San Jose?

    • The distance from Juan Santamaria International Airport to downtown is about 15km. It takes about 30 minutes by taxi.
  • What are the most popular airlines that fly from Washington D.C. (WAS) to San Jose (SJO)?

    Airlines with flights from Washington D.C. (WAS) to San Jose (SJO): Avianca and United Airlines.

Washington D.C. to San Jose Flight Information

Cheapest nonstop flight price

$106

Cheapest round-trip ticket price

$252

Off-season for travel

January

Peak season for travel

September