Flights from Washington to San José

Cheapest flights from Washington

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Nov 9 - Sun, Nov 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$261 Roundtrip, found 9 hours ago

$261

Roundtrip

found 9 hours ago

Select United flight, departing Sun, Nov 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sun, Nov 16, priced at $261 found 9 hours ago

Sun, Nov 9 - Sun, Nov 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$280 Roundtrip, found 9 hours ago

$280

Roundtrip

found 9 hours ago

Select Copa flight, departing Sun, Nov 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sun, Nov 16, priced at $280 found 9 hours ago

Sun, Nov 9 - Sun, Nov 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$288 Roundtrip, found 9 hours ago

$288

Roundtrip

found 9 hours ago

Select United flight, departing Sun, Nov 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sun, Nov 16, priced at $288 found 9 hours ago

Sun, Nov 9 - Sun, Nov 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$290 Roundtrip, found 9 hours ago

$290

Roundtrip

found 9 hours ago

Select Copa flight, departing Sun, Nov 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sun, Nov 16, priced at $290 found 9 hours ago

Sun, Nov 9 - Sun, Nov 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$290 Roundtrip, found 9 hours ago

$290

Roundtrip

found 9 hours ago

Select Copa flight, departing Sun, Nov 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sun, Nov 16, priced at $290 found 9 hours ago

Sun, Nov 9 - Sun, Nov 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$294 Roundtrip, found 9 hours ago

$294

Roundtrip

found 9 hours ago

Select American Airlines flight, departing Sun, Nov 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sun, Nov 16, priced at $294 found 9 hours ago

Tue, Nov 11 - Mon, Nov 17

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$296 Roundtrip, found 9 hours ago

$296

Roundtrip

found 9 hours ago

Select American Airlines flight, departing Tue, Nov 11 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Mon, Nov 17, priced at $296 found 9 hours ago

Sun, Nov 9 - Mon, Nov 17

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$302 Roundtrip, found 9 hours ago

$302

Roundtrip

found 9 hours ago

Select American Airlines flight, departing Sun, Nov 9 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Mon, Nov 17, priced at $302 found 9 hours ago

Sun, Nov 9 - Sun, Nov 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$303 Roundtrip, found 9 hours ago

$303

Roundtrip

found 9 hours ago

Select United flight, departing Sun, Nov 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sun, Nov 16, priced at $303 found 9 hours ago

Sun, Nov 9 - Sun, Nov 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$306 Roundtrip, found 9 hours ago

$306

Roundtrip

found 9 hours ago

Select Copa flight, departing Sun, Nov 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sun, Nov 16, priced at $306 found 9 hours ago

Sun, Nov 9 - Sun, Nov 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$309 Roundtrip, found 9 hours ago

$309

Roundtrip

found 9 hours ago

Select United flight, departing Sun, Nov 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sun, Nov 16, priced at $309 found 9 hours ago

Sun, Nov 9 - Sun, Nov 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$311 Roundtrip, found 9 hours ago

$311

Roundtrip

found 9 hours ago

Select United flight, departing Sun, Nov 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sun, Nov 16, priced at $311 found 9 hours ago

Mon, Aug 11 - Sat, Aug 16

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$313 Roundtrip, found 3 days ago

$313

Roundtrip

found 3 days ago

Select Copa flight, departing Mon, Aug 11 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Sat, Aug 16, priced at $313 found 3 days ago

Tue, Aug 12 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$322 Roundtrip, found 4 days ago

$322

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Aug 12 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Wed, Aug 13, priced at $322 found 4 days ago

Sun, Nov 9 - Sun, Nov 16

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$374 Roundtrip, found 9 hours ago

$374

Roundtrip

found 9 hours ago

Select JetBlue Airways flight, departing Sun, Nov 9 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Sun, Nov 16, priced at $374 found 9 hours ago

Sun, Nov 9 - Sun, Nov 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$381 Roundtrip, found 9 hours ago

$381

Roundtrip

found 9 hours ago

Select avianca flight, departing Sun, Nov 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sun, Nov 16, priced at $381 found 9 hours ago

Sun, Nov 9 - Sun, Nov 16

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$536 Roundtrip, found 9 hours ago

$536

Roundtrip

found 9 hours ago

Select Delta flight, departing Sun, Nov 9 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Sun, Nov 16, priced at $536 found 9 hours ago

Sun, Nov 9 - Sun, Nov 16

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$689 Roundtrip, found 9 hours ago

$689

Roundtrip

found 9 hours ago

Select Air Canada flight, departing Sun, Nov 9 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Sun, Nov 16, priced at $689 found 9 hours ago

Mon, Aug 11 - Sat, Aug 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$754 Roundtrip, found 2 days ago

$754

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Mon, Aug 11 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sat, Aug 16, priced at $754 found 2 days ago

Sun, Nov 9 - Sun, Nov 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$806 Roundtrip, found 9 hours ago

$806

Roundtrip

found 9 hours ago

Select Aeromexico flight, departing Sun, Nov 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sun, Nov 16, priced at $806 found 9 hours ago