Flights from Washington to Arenal

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.

Fri, Nov 7 - Sat, Nov 22

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$274 Roundtrip, found 5 days ago

$274

Roundtrip

found 5 days ago

Select United flight, departing Fri, Nov 7 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Sat, Nov 22, priced at $274 found 5 days ago

Tue, Jan 13 - Wed, Jan 28

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$286 Roundtrip, found 5 days ago

$286

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Jan 13 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Wed, Jan 28, priced at $286 found 5 days ago

Fri, Nov 7 - Sat, Nov 22

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$299 Roundtrip, found 5 days ago

$299

Roundtrip

found 5 days ago

Select American Airlines flight, departing Fri, Nov 7 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Sat, Nov 22, priced at $299 found 5 days ago

Fri, Nov 7 - Sat, Nov 22

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$308 Roundtrip, found 5 days ago

$308

Roundtrip

found 5 days ago

Select American Airlines flight, departing Fri, Nov 7 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Sat, Nov 22, priced at $308 found 5 days ago

Fri, Nov 7 - Sat, Nov 22

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$317 Roundtrip, found 5 days ago

$317

Roundtrip

found 5 days ago

Select JetBlue Airways flight, departing Fri, Nov 7 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Sat, Nov 22, priced at $317 found 5 days ago

Wed, Nov 5 - Mon, Nov 24

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$322 Roundtrip, found 5 days ago

$322

Roundtrip

found 5 days ago

Select American Airlines flight, departing Wed, Nov 5 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Mon, Nov 24, priced at $322 found 5 days ago

Wed, Nov 5 - Thu, Nov 20

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$328 Roundtrip, found 5 days ago

$328

Roundtrip

found 5 days ago

Select American Airlines flight, departing Wed, Nov 5 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Thu, Nov 20, priced at $328 found 5 days ago

Fri, Nov 7 - Sat, Nov 22

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$329 Roundtrip, found 5 days ago

$329

Roundtrip

found 5 days ago

Select United flight, departing Fri, Nov 7 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Sat, Nov 22, priced at $329 found 5 days ago

Fri, Nov 7 - Sat, Nov 22

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$333 Roundtrip, found 5 days ago

$333

Roundtrip

found 5 days ago

Select American Airlines flight, departing Fri, Nov 7 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Sat, Nov 22, priced at $333 found 5 days ago

Fri, Nov 7 - Sat, Nov 22

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$334 Roundtrip, found 5 days ago

$334

Roundtrip

found 5 days ago

Select United flight, departing Fri, Nov 7 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Sat, Nov 22, priced at $334 found 5 days ago

Sun, Nov 9 - Thu, Nov 20

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$341 Roundtrip, found 5 days ago

$341

Roundtrip

found 5 days ago

Select American Airlines flight, departing Sun, Nov 9 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Thu, Nov 20, priced at $341 found 5 days ago

Fri, Nov 7 - Sat, Nov 22

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$347 Roundtrip, found 5 days ago

$347

Roundtrip

found 5 days ago

Select American Airlines flight, departing Fri, Nov 7 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Sat, Nov 22, priced at $347 found 5 days ago

Mon, Aug 11 - Tue, Aug 19

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$350 Roundtrip, found 3 days ago

$350

Roundtrip

found 3 days ago

Select Copa flight, departing Mon, Aug 11 from Washington Dulles Intl. to Juan Santamaría Intl., returning Tue, Aug 19, priced at $350 found 3 days ago

Tue, Aug 12 - Mon, Aug 18

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$366 Roundtrip, found 3 days ago

$366

Roundtrip

found 3 days ago

Select United flight, departing Tue, Aug 12 from Washington Dulles Intl. to Juan Santamaría Intl., returning Mon, Aug 18, priced at $366 found 3 days ago

Fri, Nov 7 - Wed, Nov 19

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$372 Roundtrip, found 5 days ago

$372

Roundtrip

found 5 days ago

Select JetBlue Airways flight, departing Fri, Nov 7 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Wed, Nov 19, priced at $372 found 5 days ago

Sat, Aug 16 - Mon, Aug 18

BWI

Baltimore Washington Intl. Thurgood Marshall

SJO

Juan Santamaría Intl.

$372 Roundtrip, found 7 hours ago

$372

Roundtrip

found 7 hours ago

Select Spirit Airlines flight, departing Sat, Aug 16 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Mon, Aug 18, priced at $372 found 7 hours ago

Fri, Aug 8 - Thu, Aug 14

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$407 Roundtrip, found 3 days ago

$407

Roundtrip

found 3 days ago

Select avianca flight, departing Fri, Aug 8 from Washington Dulles Intl. to Juan Santamaría Intl., returning Thu, Aug 14, priced at $407 found 3 days ago

Sat, Aug 9 - Sat, Aug 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$503 Roundtrip, found 3 days ago

$503

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Aug 9 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sat, Aug 16, priced at $503 found 3 days ago

Fri, Jan 16 - Sat, Jan 31

DCA

Ronald Reagan Washington National

SJO

Juan Santamaría Intl.

$611 Roundtrip, found 5 days ago

$611

Roundtrip

found 5 days ago

Select Air Canada flight, departing Fri, Jan 16 from Ronald Reagan Washington National to Juan Santamaría Intl., returning Sat, Jan 31, priced at $611 found 5 days ago

Mon, Aug 11 - Sat, Aug 16

IAD

Washington Dulles Intl.

SJO

Juan Santamaría Intl.

$1,114 Roundtrip, found 3 days ago

$1,114

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Mon, Aug 11 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sat, Aug 16, priced at $1,114 found 3 days ago