Cheap flights from Washington, D.C. to San Juan

Washington
WAS
Luis Muñoz Marín
SJU

Flight deals from Washington, D.C. to San Juan

Below you can see the best deals on flights Washington, D.C. — San Juan for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 8 September, from $87.

Top 10 cheap flights from Washington, D.C. to San Juan

F9
F9
$ 86

Washington, D.C. — San Juan

18:09—15:17
8 Sep 2026
21 h 8 m
1 stop
F9
F9
$ 87

Washington, D.C. — San Juan

18:09—02:13
8 Sep 2026
32 h 4 m
1 stop
F9
F9
$ 91

Washington, D.C. — San Juan

18:13—15:17
14 Sep 2026
21 h 4 m
1 stop
F9
F9
$ 111

Washington, D.C. — San Juan

18:13—02:13
12 Sep 2026
32 h
1 stop
F9
F9
$ 112

Washington, D.C. — San Juan

18:09—16:11
5 Sep 2026
22 h 2 m
1 stop
F9
F9
$ 114

Washington, D.C. — San Juan

18:13—13:34
12 Sep 2026
19 h 21 m
1 stop
F9
F9
$ 118

Washington, D.C. — San Juan

18:09—00:43
5 Sep 2026
30 h 34 m
1 stop
F9
F9
$ 119

Washington, D.C. — San Juan

18:13—10:18
12 Sep 2026
16 h 5 m
1 stop
F9
F9
$ 122

Washington, D.C. — San Juan

18:13—13:34
9 Sep 2026
19 h 21 m
1 stop
F9
F9
$ 125

Washington, D.C. — San Juan

12:28—00:56
5 Sep 2026
12 h 28 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Washington, D.C. — San Juan flight

Looking for cheap flights from Washington, D.C. to San Juan? Compare fares from different airlines, check the flight schedule and travel time — and book your Washington, D.C. — San Juan ticket online at the best price.

The route has direct flights — around 77 flights per week, flights are operated by United Airlines, JetBlue, Frontier Airlines, Spirit Airlines and 1 more airline, a nonstop flight takes about 4 h, the distance between the cities is around 2,507 km.

Planning your trip? You may find our San Juan travel guide, how to get from the airport into town and San Juan weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $87Min. price
SeptemberCheapest
AprilPeak season
YesDirect flights
2,507 kmDistance
4 hTravel time
5Airlines
77 / wkFlights

Flight schedule from Washington, D.C. to San Juan

The table shows direct flights from Washington, D.C. to San Juan on the selected date. The flight takes approximately 4 h. Regular flights are operated by United Airlines, JetBlue, Frontier Airlines and Spirit Airlines. Departures from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport airports, arrivals at Luis Muñoz Marín International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 14 Aug 2026

Flight ticket prices by day: Washington, D.C. — San Juan

Below is a calendar of the lowest flight ticket prices for Washington, D.C. — San Juan by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $87 in September, and the most expensive are around $220 in April. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Washington, D.C. to San Juan by month. Tickets are usually cheapest in August (around $228) and priciest in December (about $420) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$396highMay$324mediumSep$240low
Feb$384highJun$348mediumOct$252low
Mar$408highJul$372highNov$312medium
Apr$360mediumAug$228lowDec$420high

Some values are estimated based on seasonality.

When to fly

Weather in San Juan: it is warmest in August (up to 30 °C on average) and coolest in February (around 27 °C). The driest month is January.

Tickets are usually cheapest in September and most expensive in April. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · San Juan

Dry and wet days · San Juan

Wind speed and direction · San Juan

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How to get the best deal on a Washington, D.C. — San Juan ticket

  • Book ahead: fares for Washington, D.C. — San Juan are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Washington, D.C. is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to San Juan is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Washington, D.C. — San Juan route are operated by 5 airlines; United Airlines runs the most flights (around 36% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    9x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight IAD → SJU9x/week
      Duration
      3h 54m
      Days
      MTWTFSS
    36.4%Open →
  • JetBlueB6
    5x/week
    WebsiteFleet: 30742.5M pax/year
    • Direct flight DCA → SJU5x/week
      Duration
      3h 59m
      Days
      MTWTFSS
    18.2%Open →
  • Frontier AirlinesF9
    5x/week
    WebsiteFleet: 15329M pax/year
    • Direct flight BWI → SJU5x/week
      Duration
      4h 2m
      Days
      MTWTFSS
    18.2%Open →
  • Spirit AirlinesNK
    4x/week
    WebsiteFleet: 20544.1M pax/year
    • Direct flight BWI → SJU4x/week
      Duration
      3h 45m
      Days
      MTWTFSS
    16.9%Open →
  • Southwest AirlinesWN
    3x/week
    WebsiteFleet: 817140M pax/year
    • Direct flight BWI → SJU3x/week
      Duration
      4h 20m
      Days
      MTWTFSS
    10.4%Open →

Cities and airports on the Washington, D.C. — San Juan route

Flights Washington, D.C. — San Juan depart from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport and arrive at Luis Muñoz Marín International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Washington, D.C.

WAS
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

San Juan

SJU
Puerto Rico
About the cityHow to get thereWeatherAll about the country Puerto Rico
Departure airports
Arrival airports

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Frequently asked questions about the Washington, D.C. — San Juan flight

How long is the flight from Washington, D.C. to San Juan?

A nonstop Washington, D.C. — San Juan flight takes about 4 h — the distance between the cities is around 2,507 km.

How far is it from Washington, D.C. to San Juan?

The distance from Washington, D.C. to San Juan is about 2,507 km, which a nonstop flight covers in around 4 h.

Are there direct flights from Washington, D.C. to San Juan?

Yes, there are nonstop flights Washington, D.C. — San Juan — around 77 flights per week.

Which airlines fly from Washington, D.C. to San Juan?

Airlines operating Washington, D.C. — San Juan include United Airlines, JetBlue, Frontier Airlines, Spirit Airlines, Southwest Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Washington, D.C. — San Juan flights use?

Flights from Washington, D.C. depart from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport, Ronald Reagan National Airport, and arrive at Luis Muñoz Marín International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Washington, D.C. to San Juan?

The price of a Washington, D.C. — San Juan ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in April. Tickets typically cost between $87 and $220. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Washington, D.C. — San Juan?

Flights Washington, D.C. — San Juan are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Washington, D.C. to San Juan?

To catch a low fare Washington, D.C. — San Juan, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Washington, D.C.

See all
New York CityChicagoAtlantaBostonOrlandoTorontoCharlotteHoustonDetroitSeattleMinneapolisDallasMiamiFort LauderdaleMontrealDenverRaleighLos AngelesNashvilleSan FranciscoPittsburghTampaBuffaloIndianapolisCincinnatiProvidencePhiladelphiaLondonRochesterOttawaKnoxvilleColumbusClevelandAlbanySouth PortlandNorth CharlestonSan SalvadorBurlingtonSan DiegoNorfolk

Where else you can fly from San Juan

See all
OrlandoNew York CityFort LauderdalePhiladelphiaMiamiSanto DomingoPunta CanaAtlantaDallasCharlotte AmalieChicagoHoustonTampaBostonTortolaPanama CityHartfordMadridMedellínGustaviaCharlotteBogotaSaint CroixJacksonvilleMexico CityViequesSan AntonioDetroitRaleighTorontoDominicaClevelandVirgin GordaSan JoséCulebraSantiagoProvidenceMinneapolisMontrealThe Valley

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