Search & Compare - Washington to San Juan Flights & Tickets

Lowest Prices
Uncover the best deals on IAD to SJU flights by comparing fares from hundreds of airlines and agencies.
New Deals Everyday
Get the best prices on IAD to SJU flights—we update our fares daily so you never miss a saving.
Best Travel Options
Compare hundreds of IAD to SJU flights and secure the best deals—we never add any service fees.

Cheap flights from Washington to San Juan (IAD to SJU)

Looking for a cheap last-minute deal or the best round-trip flight from Washington to San Juan? Find the biggest savings on one-way and round-trip tickets right here.

Good to know

Useful information for finding cheap flights from Washington Dulles International to Luis Munoz Marin International and booking your next trip

Cheapest Round Trip Flight

$223

F9 Frontier Airlines • 1 stop • 47h 15m

Aug 11 – Aug 14

The cheapest round trip flight from Washington Dulles International to Luis Munoz Marin International is currently $223

🔍 Search Flights

Cheapest One way Flight

$178

B6 JetBlue Airways • 1 stop • 8h 59m

Jun 16

The cheapest one way flight from Washington Dulles International to Luis Munoz Marin International is currently $178

🔍 Search Flights

Cheapest Direct Flight

$160

F9 Frontier Airlines • nonstop • 5h 57m

Aug 11

The cheapest nonstop flight from Washington Dulles International to Luis Munoz Marin International is currently $160

🔍 Search Flights

Fastest Flight

5h 54m

The fastest nonstop flight from Washington Dulles International to Luis Munoz Marin International takes 5h 54m

Recent airfare deals on Washington to San Juan

Aug 11 - Aug 14, Economy
F9
Washington → San Juan
47h 15m
1:27 PM - 6:02 PM • 1 stop
Washington → San Juan
5h 56m
7:33 AM - 12:00 AM • nonstop
$223
Frontier Airlines
Aug 11 - Aug 14, Economy
F9
Washington → San Juan
47h 15m
1:27 PM - 6:02 PM • 1 stop
Washington → San Juan
43h 58m
10:04 AM - 12:00 AM • 1 stop
$275
Frontier Airlines
Aug 11 - Aug 14, Economy
B6
Washington → San Juan
8h 43m
1:27 PM - 2:39 AM • 1 stop
Washington → San Juan
8h 38m
3:25 AM - 12:00 AM • 1 stop
$290
JetBlue Airways
Aug 11 - Aug 14, Economy
DL
Washington → San Juan
8h 55m
1:27 PM - 6:02 PM • 1 stop
Washington → San Juan
10h 1m
7:00 AM - 12:00 AM • 1 stop
$336
Delta Airlines
Aug 11 - Aug 14, Economy
B6
Washington → San Juan
8h 55m
1:27 PM - 6:02 PM • 1 stop
Washington → San Juan
8h 43m
3:25 AM - 12:00 AM • 1 stop
$340
JetBlue Airways
Aug 11 - Aug 14, Economy
9K
Washington → San Juan
47h 15m
1:27 PM - 6:02 PM • 1 stop
Washington → San Juan
9h 12m
3:05 PM - 12:00 AM • 1 stop
$939
Cape Air

Facts to know while booking flights from Washington to San Juan

What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from IAD to SJU?
The most popular airline flying from Washington to San Juan are
Can I fly from IAD to SJU non-stop?
Yes, you can fly IAD to SJU non-stop on
Which airlines fly nonstop between Washington and San Juan?
The non-stop flights between Washington and San Juan are .
What’s the earliest departure time from IAD to SJU Airport?
The earliest flight leaves IAD at 8:00 am and lands in SJU - Luis Munoz Marin International
What are the airports in San Juan?
SJU
Can I make changes to my Washington to San Juan flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from IAD to SJU?
Read the fare rules of the Washington to San Juan air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Washington and San Juan?
operate flights between Washington and San Juan
How long does a flight from Washington to San Juan take?
It takes approximately 4 hour to fly non-stop from IAD to SJU, which is 1570.94 miles by air.
Which airlines provide the cheapest flights from Washington (IAD) to San Juan (SJU) ?
In the past couple of days, the cheapest tickets to SJU from IAD were found on ('B6') : USD 178
Do I need a passport to fly between IAD and SJU?
Yes
What’s the latest departure time from IAD to SJU ?
The last flight leaves IAD at 3:35 pm

Flights from Washington to San Juan

Origin Airport Washington Dulles International , Washington, US
Destination Airport Luis Munoz Marin International , San Juan, PR
Distance miles

Popular Airlines

Southwest Airlines-WN
Delta Airline, DL
United Airlines, UA
Sun Country Airlines (SY)
American Airlines, AA
Alaska Airlines -AS

Popular Origin & Destination

Get Fare Drop Alert
Be the first to know when fares drop for the Washington (IAD) to San Juan (SJU)
Terms and Conditions*