Cheap flights from Washington DC to San Juan

Travel > Caribbean > Puerto Rico > Washington DC to San Juan flights

Check our current prices for flights from Washington DC to San Juan. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Washington DC to San Juan, you will need to run a search below.

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From $187 / RT details

Book your flight now with Cheapoair.com and save!

Cheap San Juan airfares from $187/RT are provided by Cheapoair.com. Outbound flight is leaving on 04/01/2025, 08:30 am from Washington Dulles (IAD) airport and arrives at San Juan Marin Intl (SJU) at 09:38 pm. The flight time is 13 hours and 8 minutes. The Returning flight departes on 04/15/2025, 06:16 pm (other return dates are also available). Date posted: 21 Jan 2025

Price evolution for flights From Washington DC To San Juan

Recent Deals on Flights from Washington DC to San Juan:Roundtrip / Oneway

• $187 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (IAD)	San Juan, PR (SJU)	04/01/2025	08:30 am
  San Juan, PR (SJU)	Washington DC, DC (IAD)	04/15/2025	06:16 pm

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• $215 Multiple Airlines 

  From	To	Departure	Time
  Washington DC, DC (IAD)	San Juan, PR (SJU)	04/01/2025	05:54 pm
  San Juan, PR (SJU)	Washington DC, DC (IAD)	04/15/2025	12:55 pm

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• $281 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (IAD)	San Juan, PR (SJU)	04/02/2025	04:35 pm
  San Juan, PR (SJU)	Washington DC, DC (IAD)	04/23/2025	05:05 pm

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• $300 Multiple Airlines 

  From	To	Departure	Time
  Washington DC, DC (IAD)	San Juan, PR (SJU)	03/17/2025	06:03 pm
  San Juan, PR (SJU)	Washington DC, DC (IAD)	03/29/2025	05:39 pm

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• $459 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (IAD)	San Juan, PR (SJU)	03/17/2025	06:03 pm
  San Juan, PR (SJU)	Washington DC, DC (IAD)	03/29/2025	12:55 pm

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• $64 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (IAD)	San Juan, PR (SJU)	03/10/2025	06:03 pm

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• $212 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (IAD)	San Juan, PR (SJU)	04/12/2025	10:25 pm

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• $369 Frontier Airlines 

  From	To	Departure	Time
  Washington DC, DC (IAD)	San Juan, PR (SJU)	07/02/2025	05:23 pm

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