Flights from Washington Dulles International (IAD) to Costa Rica (Costa Rica)

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We compare hundreds of flights from Washington Dulles International to Costa Rica from a range of airlines and travel agents to get you the best deals. Find cheap flights along this route.
Washington (IAD) to Liberia (LIR)
 Depart 06 Jun 16
 Return 14 Jun 16

Flying with JetBlue Airways

Price subject to availability

 
 
Washington (IAD) to San Jose (SJO)
 Depart 24 May 16
 Return 28 May 16

Price subject to availability

   View more dates
 
Washington (IAD) to San Jose (SJO)
 Depart 25 Jun 16
 Return 02 Jul 16

Flying with Aeromexico

Price subject to availability

 
 
Washington (IAD) to Liberia (LIR)
 Depart 27 Apr 16
 Return 04 May 16

Flying with JetBlue Airways

Price subject to availability

   View more dates
 
  • Price
  • Dep date
  15 more momondo.com flights available on this route
$492   Dep 07 May 16 - Rtn 14 May 16
Washington to Liberia
IAD to LIR momondo.com
$515   Dep 28 Apr 16 - Rtn 05 May 16
Washington to Liberia
IAD to LIR momondo.com
$526   Dep 13 Apr 16 - Rtn 20 Apr 16
Washington to Liberia
IAD to LIR momondo.com
$561   Dep 12 Apr 16 - Rtn 19 Apr 16
Washington to Liberia
IAD to LIR momondo.com
$570   Dep 02 May 16 - Rtn 09 May 16
Washington to Liberia
IAD to LIR momondo.com
$624   Dep 11 Apr 16 - Rtn 18 Apr 16
Washington to Liberia
IAD to LIR momondo.com
$626   Dep 18 Apr 16 - Rtn 25 Apr 16
Washington to Liberia
IAD to LIR momondo.com
$702   Dep 26 Apr 16 - Rtn 03 May 16
Washington to Liberia
IAD to LIR momondo.com
$705   Dep 21 Apr 16 - Rtn 28 Apr 16
Washington to Liberia
IAD to LIR momondo.com
$803   Dep 17 Apr 16 - Rtn 24 Apr 16
Washington to Liberia
IAD to LIR momondo.com
$840   Dep 26 Apr 16 - Rtn 03 May 16
Washington to Liberia
IAD to LIR momondo.com
$840   Dep 03 May 16 - Rtn 10 May 16
Washington to Liberia
IAD to LIR momondo.com
$841   Dep 12 Apr 16 - Rtn 19 Apr 16
Washington to Liberia
IAD to LIR momondo.com
$841   Dep 13 Apr 16 - Rtn 20 Apr 16
Washington to Liberia
IAD to LIR momondo.com
$892   Dep 22 Apr 16 - Rtn 29 Apr 16
Washington to Liberia
IAD to LIR momondo.com
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