
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $192 (Priceline) |
One-way from | $96 (Travelocity) |
Popular in | March |
Cheapest in | June |
Average price | $500 |
Good round-trip deal | $323 or less |
Good one-way deal | $157 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.San Juan
IAD - SJU
IADSJU
Washington, D.C. Dulles Intl
Mon 8/10
5:24 pm-9:24 pm
Nonstop4h 00m
San Juan Luis Munoz Marin Intl
Thu 8/13
1:25 pm-10:59 pm
1 stop9h 34m
Washington, D.C.San Juan
IAD - SJU
IADSJU
Washington, D.C. Dulles Intl
Fri 5/1
5:24 pm-9:24 pm
Nonstop4h 00m
San Juan Luis Munoz Marin Intl
Sat 5/2
1:00 am-7:28 am
1 stop6h 28m
Washington, D.C.San Juan
IAD - SJU
IADSJU
Washington, D.C. Dulles Intl
Thu 4/9
5:24 pm-9:24 pm
Nonstop4h 00m
San Juan Luis Munoz Marin Intl
Thu 4/16
2:55 pm-11:59 pm
1 stop9h 04m
Washington, D.C.San Juan
IAD - SJU
IADSJU
Washington, D.C. Dulles Intl
Sun 4/12
5:24 pm-9:24 pm
Nonstop4h 00m
San Juan Luis Munoz Marin Intl
Thu 4/16
7:20 am-11:21 am
Nonstop4h 01m
Washington, D.C.San Juan
IAD - SJU
IADSJU
Washington, D.C. Dulles Intl
Fri 4/24
5:24 pm-9:24 pm
Nonstop4h 00m
San Juan Luis Munoz Marin Intl
Wed 4/29
1:25 pm-9:04 pm
1 stop7h 39m
Washington, D.C.San Juan
IAD - SJU
IADSJU
Washington, D.C. Dulles Intl
Mon 6/8
6:33 am-1:45 pm
1 stop7h 12m
San Juan Luis Munoz Marin Intl
Mon 6/15
7:20 am-11:21 am
Nonstop4h 01m
Washington, D.C.San Juan
IAD - SJU
IADSJU
Washington, D.C. Dulles Intl
Fri 5/8
5:24 pm-9:24 pm
Nonstop4h 00m
San Juan Luis Munoz Marin Intl
Mon 5/11
7:20 am-11:21 am
Nonstop4h 01m
Washington, D.C.San Juan
IAD - SJU
IADSJU
Washington, D.C. Dulles Intl
Wed 5/13
5:24 pm-9:24 pm
Nonstop4h 00m
San Juan Luis Munoz Marin Intl
Wed 5/27
7:20 am-11:21 am
Nonstop4h 01m
Washington, D.C.San Juan
IAD - SJU
IADSJU
Washington, D.C. Dulles Intl
Sun 7/19
5:24 pm-9:24 pm
Nonstop4h 00m
San Juan Luis Munoz Marin Intl
Sun 7/26
2:05 am-11:28 am
1 stop9h 23m
Washington, D.C.San Juan
IAD - SJU
IADSJU
Washington, D.C. Dulles Intl
Wed 4/22
6:00 am-1:45 pm
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Sat 4/25
7:40 am-9:13 pm
2 stops13h 33m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*3 stars |
The best time to book flights from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport (average of $73). Flying from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport in September is currently the most expensive (average of $259). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to San Juan Luis Munoz Marin Intl Airport at noon. Doing so could potentially save you 40% on the flight price compared to flying in the afternoon, which is usually more expensive.
About 20% of weekly flights between Washington, D.C. and San Juan have experienced delays in the past year, with the average delay time being 122 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$89 | Average$274 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$136 | Average$325 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$480 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$148 | Average$425 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$151 | Average$258 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$246 | Average$481 | FlexibilityNo cancel fee | On-time69% |