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 16 Sep 15
 Return 23 Sep 15

Flying with Avianca

Price subject to availability

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  • Price
  • Dep date
  9 more momondo.com flights available on this route
$699   Dep 09 Sep 15 - Rtn 16 Sep 15
Washington to Liberia
IAD to LIR momondo.com
$783   Dep 23 Sep 15 - Rtn 30 Sep 15
Washington to Liberia
IAD to LIR momondo.com
$783   Dep 30 Sep 15 - Rtn 07 Oct 15
Washington to Liberia
IAD to LIR momondo.com
$844   Dep 07 Oct 15 - Rtn 14 Oct 15
Washington to Liberia
IAD to LIR momondo.com
$1,246   Dep 16 Sep 15 - Rtn 23 Sep 15
Washington to Liberia
IAD to LIR momondo.com
$1,390   Dep 23 Sep 15 - Rtn 30 Sep 15
Washington to Liberia
IAD to LIR momondo.com
$1,395   Dep 30 Sep 15 - Rtn 07 Oct 15
Washington to Liberia
IAD to LIR momondo.com
$1,398   Dep 09 Sep 15 - Rtn 16 Sep 15
Washington to Liberia
IAD to LIR momondo.com
$1,806   Dep 07 Oct 15 - Rtn 14 Oct 15
Washington to Liberia
IAD to LIR momondo.com
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