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 09 Feb 17
 Return 12 Feb 17

Flying with Avianca

Price subject to availability

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  • Dep date
  1 more CheapOair.com flights available on this route
$399   Dep 06 Dec 16 - Rtn 13 Dec 16
Washington to San Jose
IAD to SJO CheapOair.com
Washington (IAD) to Liberia (LIR)
 Depart 12 Nov 16
 Return 16 Nov 16

Flying with JetBlue Airways

Price subject to availability

 
 
Washington (IAD) to San Jose (SJO)
 Depart 30 Jan 17
 Return 06 Feb 17

Price subject to availability

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  • Price
  • Dep date
  15 more Smartfares.com flights available on this route
$422   Dep 09 Feb 17 - Rtn 13 Feb 17
Washington to San Jose
IAD to SJO Smartfares.com
$422   Dep 19 Feb 17 - Rtn 26 Feb 17
Washington to San Jose
IAD to SJO Smartfares.com
$422   Dep 20 Feb 17 - Rtn 27 Feb 17
Washington to San Jose
IAD to SJO Smartfares.com
$422   Dep 19 Mar 17 - Rtn 26 Mar 17
Washington to San Jose
IAD to SJO Smartfares.com
$444   Dep 01 Nov 16 - Rtn 14 Nov 16
Washington to San Jose
IAD to SJO Smartfares.com
$500   Dep 12 Oct 16 - Rtn 18 Oct 16
Washington to San Jose
IAD to SJO Smartfares.com
$504   Dep 07 Oct 16 - Rtn 10 Oct 16
Washington to San Jose
IAD to SJO Smartfares.com
$531   Dep 06 Oct 16 - Rtn 10 Oct 16
Washington to San Jose
IAD to SJO Smartfares.com
$531   Dep 07 Aug 17 - Rtn 21 Aug 17
Washington to San Jose
IAD to SJO Smartfares.com
$541   Dep 03 Apr 17 - Rtn 09 Apr 17
Washington to San Jose
IAD to SJO Smartfares.com
$584   Dep 17 Nov 16 - Rtn 26 Nov 16
Washington to San Jose
IAD to SJO Smartfares.com
$673   Dep 17 Nov 16 - Rtn 27 Nov 16
Washington to San Jose
IAD to SJO Smartfares.com
$707   Dep 20 Dec 16 - Rtn 19 Jan 17
Washington to Liberia
IAD to LIR Smartfares.com
$945   Dep 07 Dec 16 - Rtn 13 Dec 16
Washington to San Jose
IAD to SJO Smartfares.com
$1,393   Dep 18 Nov 16 - Rtn 27 Nov 16
Washington to San Jose
IAD to SJO Smartfares.com
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