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Cheap flights from Washington to San Juan

49 nonstop flights a week, 5 of them today. Operated by 4 airlines, about 4h in the air, 1,557 mi (2,505 km). Tickets from $126, nonstop from $149.

Flights from Washington to San Juan

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Filters

Best fares from Washington to San Juan

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $126 1 January 2027, with a connection Cheapest nonstop $149 1 January 2027, Frontier Airlines Cheapest weekend departure $126 Fri, 1 January 2027 Cheapest month January 2027 tickets from $126

Washington to San Juan at a glance

flight time, from 3h 45m to 8h 40m
4h
straight-line distance
1,557 mi (2,505 km)
flights a week
49
flights today
5
first and last departure
08:00 - 18:08
lowest price, with a connection, 1 January
$126
lowest nonstop price
$149
airlines
4

Washington to San Juan ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: January 2027, tickets from $126. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $148. The average across months is $137.

Washington to San Juan flight schedule

49 flights a week, 5 today, 54 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
B6 1347
jetBlue
08:00 Ronald Reagan National, terminal 2
12:52 Luis Munoz Marin International, terminal A
3h 52m
Daily
Airbus A321
WN 1413
Southwest Airlines
08:15 Baltimore/Wash International Thurgood Marshall
13:25 Luis Munoz Marin International, terminal B
4h 10m
Sat
Boeing 737
WN 1385
Southwest Airlines
08:20 Baltimore/Wash International Thurgood Marshall
13:30 Luis Munoz Marin International, terminal B
4h 10m
Mon, Tue, Wed, Thu
Boeing 737
WN 1962
Southwest Airlines
08:20 Baltimore/Wash International Thurgood Marshall
13:30 Luis Munoz Marin International, terminal B
4h 10m
Mon, Thu, Fri, Sun
Boeing 737-800
UA 2021
United Airlines
08:22 Washington Dulles International
13:15 Luis Munoz Marin International, terminal B
3h 53m
Daily
Boeing 737
WN 1962
Southwest Airlines
08:40 Baltimore/Wash International Thurgood Marshall
13:50 Luis Munoz Marin International, terminal B
4h 10m
Sat
Boeing 737-800
F9 2266
Frontier Airlines
10:07 Baltimore/Wash International Thurgood Marshall
15:00 Luis Munoz Marin International
3h 53m
Mon, Fri, Sat, Sun
Airbus A320
WN 941
Southwest Airlines
11:05 Baltimore/Wash International Thurgood Marshall
16:10 Luis Munoz Marin International, terminal B
4h 5m
Sat
Boeing 737
F9 1940
Frontier Airlines
13:05 Washington Dulles International
17:52 Luis Munoz Marin International
3h 47m
Mon, Fri, Sat, Sun
Airbus A320
WN 1141
Southwest Airlines
15:20 Baltimore/Wash International Thurgood Marshall
20:15 Luis Munoz Marin International, terminal B
3h 55m
Sat
Boeing 737-800
B6 963
jetBlue
16:50 Baltimore/Wash International Thurgood Marshall
21:40 Luis Munoz Marin International, terminal A
3h 50m
Mon, Thu, Fri, Sat, Sun
Airbus A320
B6 963
jetBlue
17:16 Baltimore/Wash International Thurgood Marshall
22:07 Luis Munoz Marin International, terminal A
3h 51m
Daily
Airbus A320
UA 2025
United Airlines
17:29 Washington Dulles International
22:22 Luis Munoz Marin International, terminal B
3h 53m
Daily
Boeing 737
F9 2266
Frontier Airlines
18:08 Baltimore/Wash International Thurgood Marshall
23:28 Luis Munoz Marin International
4h 20m
Thu, Sun
Airbus A320 NEO

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 1162
Southwest Airlines
08:30 Baltimore/Wash International Thurgood Marshall
13:35 Luis Munoz Marin International, terminal B
4h 5m
Seasonal
Boeing 737
WN 2900
Southwest Airlines
13:40 Baltimore/Wash International Thurgood Marshall
18:40 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737
WN 2255
Southwest Airlines
07:50 Baltimore/Wash International Thurgood Marshall
12:50 Luis Munoz Marin International, terminal B
4h
Selected dates
Boeing 737-800
WN 1202
Southwest Airlines
14:35 Baltimore/Wash International Thurgood Marshall
19:40 Luis Munoz Marin International, terminal B
4h 5m
Seasonal
Boeing 737
B6 963
jetBlue
16:54 Baltimore/Wash International Thurgood Marshall
21:44 Luis Munoz Marin International, terminal A
3h 50m
Seasonal
Airbus A320
F9 2266
Frontier Airlines
10:08 Baltimore/Wash International Thurgood Marshall
14:59 Luis Munoz Marin International
3h 51m
Seasonal
Airbus A320
WN 2250
Southwest Airlines
17:55 Baltimore/Wash International Thurgood Marshall
22:55 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737
F9 1940
Frontier Airlines
11:07 Washington Dulles International
15:56 Luis Munoz Marin International
3h 49m
Seasonal
Airbus A320
F9 2266
Frontier Airlines
11:16 Baltimore/Wash International Thurgood Marshall
16:08 Luis Munoz Marin International
3h 52m
Seasonal
Airbus A321
B6 963
jetBlue
15:34 Baltimore/Wash International Thurgood Marshall
20:29 Luis Munoz Marin International, terminal A
3h 55m
Seasonal
Airbus A320
WN 194
Southwest Airlines
08:20 Baltimore/Wash International Thurgood Marshall
13:25 Luis Munoz Marin International, terminal B
4h 5m
Seasonal
WN 4095
Southwest Airlines
18:10 Baltimore/Wash International Thurgood Marshall
23:05 Luis Munoz Marin International, terminal B
3h 55m
Seasonal
Boeing 737
UA 1996
United Airlines
06:05 Baltimore/Wash International Thurgood Marshall
15:40 Luis Munoz Marin International, terminal B
8h 35m
Seasonal
Boeing 737
F9 1940
Frontier Airlines
12:21 Washington Dulles International
17:10 Luis Munoz Marin International
3h 49m
Seasonal
Airbus A320
UA 1996
United Airlines
06:00 Baltimore/Wash International Thurgood Marshall
15:40 Luis Munoz Marin International, terminal B
8h 40m
Seasonal
Boeing 737
WN 194
Southwest Airlines
08:10 Baltimore/Wash International Thurgood Marshall
13:10 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737-800
WN 615
Southwest Airlines
12:30 Baltimore/Wash International Thurgood Marshall
17:25 Luis Munoz Marin International, terminal B
3h 55m
Seasonal
Boeing 737-800
WN 4095
Southwest Airlines
18:05 Baltimore/Wash International Thurgood Marshall
23:00 Luis Munoz Marin International, terminal B
3h 55m
Seasonal
Boeing 737
WN 194
Southwest Airlines
08:25 Baltimore/Wash International Thurgood Marshall
13:30 Luis Munoz Marin International, terminal B
4h 5m
Seasonal
Boeing 737
UA 1996
United Airlines
06:20 Baltimore/Wash International Thurgood Marshall
15:40 Luis Munoz Marin International, terminal B
8h 20m
Seasonal
Boeing 737
WN 1592
Southwest Airlines
08:10 Baltimore/Wash International Thurgood Marshall
13:10 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737
B6 963
jetBlue
16:55 Baltimore/Wash International Thurgood Marshall
21:50 Luis Munoz Marin International, terminal A
3h 55m
Seasonal
Airbus A320
WN 1592
Southwest Airlines
08:00 Baltimore/Wash International Thurgood Marshall
13:00 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737
WN 1987
Southwest Airlines
14:25 Baltimore/Wash International Thurgood Marshall
19:20 Luis Munoz Marin International, terminal B
3h 55m
Selected dates
WN 4095
Southwest Airlines
17:55 Baltimore/Wash International Thurgood Marshall
22:50 Luis Munoz Marin International, terminal B
3h 55m
Seasonal
Boeing 737
B6 963
jetBlue
17:10 Baltimore/Wash International Thurgood Marshall
22:20 Luis Munoz Marin International, terminal A
4h 10m
Seasonal
Airbus A320
UA 2021
United Airlines
08:27 Washington Dulles International
13:17 Luis Munoz Marin International, terminal B
3h 50m
Seasonal
Boeing 737
UA 2025
United Airlines
17:32 Washington Dulles International
22:22 Luis Munoz Marin International, terminal B
3h 50m
Seasonal
Boeing 737
WN 1087
Southwest Airlines
08:15 Baltimore/Wash International Thurgood Marshall
13:20 Luis Munoz Marin International, terminal B
4h 5m
Seasonal
Boeing 737-800
WN 1087
Southwest Airlines
06:20 Baltimore/Wash International Thurgood Marshall
11:20 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737
WN 920
Southwest Airlines
10:45 Baltimore/Wash International Thurgood Marshall
15:45 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737
WN 1035
Southwest Airlines
15:35 Baltimore/Wash International Thurgood Marshall
19:30 Luis Munoz Marin International, terminal B
3h 55m
Seasonal
Boeing 737-800
WN 3508
Southwest Airlines
09:00 Baltimore/Wash International Thurgood Marshall
13:05 Luis Munoz Marin International, terminal B
4h 5m
Seasonal
Boeing 737
UA 1996
United Airlines
06:17 Baltimore/Wash International Thurgood Marshall
14:44 Luis Munoz Marin International, terminal B
8h 27m
Seasonal
Boeing 737-800
UA 2021
United Airlines
08:34 Washington Dulles International
12:34 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737
UA 2025
United Airlines
17:24 Washington Dulles International
21:24 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737
WN 4517
Southwest Airlines
08:20 Baltimore/Wash International Thurgood Marshall
12:35 Luis Munoz Marin International, terminal B
4h 15m
Seasonal
Boeing 737
WN 4517
Southwest Airlines
08:10 Baltimore/Wash International Thurgood Marshall
12:25 Luis Munoz Marin International, terminal B
4h 15m
Seasonal
Boeing 737
WN 1122
Southwest Airlines
06:10 Baltimore/Wash International Thurgood Marshall
12:00 Luis Munoz Marin International, terminal B
5h 50m
Seasonal
WN 984
Southwest Airlines
08:10 Baltimore/Wash International Thurgood Marshall
12:25 Luis Munoz Marin International, terminal B
4h 15m
Seasonal
Boeing 737-800
WN 4101
Southwest Airlines
14:30 Baltimore/Wash International Thurgood Marshall
18:30 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737
WN 4517
Southwest Airlines
08:15 Baltimore/Wash International Thurgood Marshall
12:30 Luis Munoz Marin International, terminal B
4h 15m
Seasonal
Boeing 737-800
WN 1240
Southwest Airlines
16:30 Baltimore/Wash International Thurgood Marshall
20:30 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737
B6 1347
jetBlue
08:20 Ronald Reagan National, terminal 2
12:05 Luis Munoz Marin International, terminal A
3h 45m
Seasonal
Airbus A321
WN 922
Southwest Airlines
08:00 Baltimore/Wash International Thurgood Marshall
12:10 Luis Munoz Marin International, terminal B
4h 10m
Seasonal
Boeing 737
WN 4586
Southwest Airlines
11:00 Baltimore/Wash International Thurgood Marshall
15:00 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737
WN 2658
Southwest Airlines
06:15 Baltimore/Wash International Thurgood Marshall
10:25 Luis Munoz Marin International, terminal B
4h 10m
Seasonal
Boeing 737
WN 4586
Southwest Airlines
10:50 Baltimore/Wash International Thurgood Marshall
14:50 Luis Munoz Marin International, terminal B
4h
Seasonal
Boeing 737
WN 922
Southwest Airlines
08:05 Baltimore/Wash International Thurgood Marshall
12:15 Luis Munoz Marin International, terminal B
4h 10m
Seasonal
WN 4586
Southwest Airlines
13:10 Baltimore/Wash International Thurgood Marshall
17:10 Luis Munoz Marin International, terminal B
4h
Seasonal
WN 922
Southwest Airlines
08:10 Baltimore/Wash International Thurgood Marshall
12:20 Luis Munoz Marin International, terminal B
4h 10m
Seasonal
Boeing 737
WN 4822
Southwest Airlines
15:45 Baltimore/Wash International Thurgood Marshall
19:55 Luis Munoz Marin International, terminal B
4h 10m
Seasonal
Boeing 737
UA 2021
United Airlines
09:00 Washington Dulles International
12:54 Luis Munoz Marin International, terminal B
3h 54m
Seasonal
Boeing 737
UA 2021
United Airlines
08:40 Washington Dulles International
12:34 Luis Munoz Marin International, terminal B
3h 54m
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. San Juan is 1 hour ahead of Washington. The search shows seat availability and the price for your date.

Airlines flying Washington to San Juan

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

United Airlines14 a week jetBlue14 a week Southwest Airlines12 a week Frontier Airlines9 a week

Airports

Where flights from Washington to San Juan depart and land

Departure from Washington

Baltimore/Wash International Thurgood Marshall BWI

24 flights a week, 28 mi (45 km) from the city centre

About the airport
Washington Dulles International IAD

18 flights a week, 22 mi (36 km) from the city centre

About the airport
Ronald Reagan National closest to the centreDCA

7 flights a week, terminal 2, 3 mi (5 km) from the city centre

About the airport

Arrival in San Juan

Luis Munoz Marin International SJU

49 flights a week, terminals A, B, 7 mi (11 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Washington to San Juan?
A nonstop flight takes 4 hours on average, from 3h 45m to 8h 40m depending on the flight.
How far is San Juan from Washington?
1,557 mi (2,505 km) in a straight line between the cities.
Which airlines fly nonstop from Washington to San Juan?
United Airlines (14 a week), jetBlue (14 a week), Southwest Airlines (12 a week) and Frontier Airlines (9 a week).
How many flights a day are there from Washington to San Juan?
5 flights today and 49 a week, about 7 a day on average.
When are the first and last flights from Washington to San Juan?
The first departure is at 08:00 (B61347), the last at 18:08 (F92266). Local time.
What is the cheapest month to fly from Washington to San Juan?
January 2027: tickets from $126. The most expensive is November 2026, from $148.
What is the cheapest upcoming date to fly from Washington to San Juan?
1 January 2027 (Friday): from $126 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Washington to San Juan?
Frontier Airlines: nonstop tickets from $149 on 1 January by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Washington and San Juan?
San Juan is 1 hour ahead of Washington. Schedule times on this page are local to each airport.
Which Washington airport do flights to San Juan leave from?
Baltimore/Wash International Thurgood Marshall (24 a week), Washington Dulles International (18 a week) and Ronald Reagan National (7 a week).