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190 € Cheap Flights from San Juan to Washington Dulles

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Flight deals from San Juan to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from San Juan to Washington Dulles Airport? If you want to travel next month, return fares start from 247 €. Find the lowest prices on one-way and return tickets right here.
Washington D.C..190 € per passenger.Departing Thu, 1 Oct, returning Sun, 4 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Thu, 1 Oct, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Sun, 4 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 190 €, select.
Washington D.C..206 € per passenger.Departing Tue, 15 Sep, returning Mon, 21 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Tue, 15 Sep, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Mon, 21 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 206 €, select.
Washington D.C..247 € per passenger.Departing Wed, 19 Aug, returning Wed, 26 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Wed, 19 Aug, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 26 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 247 €, select.
Washington D.C..252 € per passenger.Departing Thu, 27 Aug, returning Tue, 1 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Thu, 27 Aug, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Tue, 1 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 252 €, select.
Washington D.C..258 € per passenger.Departing Thu, 5 Nov, returning Mon, 9 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Thu, 5 Nov, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Mon, 9 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 258 €, select.
Washington D.C..270 € per passenger.Departing Thu, 27 Aug, returning Sun, 30 Aug.Return flight with United.Outbound direct flight with United departs from San Juan Luis Munoz Marin on Thu, 27 Aug, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 30 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 270 €, select.
Washington D.C..270 € per passenger.Departing Thu, 3 Sep, returning Sun, 6 Sep.Return flight with United.Outbound direct flight with United departs from San Juan Luis Munoz Marin on Thu, 3 Sep, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 6 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 270 €, select.
Washington D.C..277 € per passenger.Departing Wed, 7 Oct, returning Tue, 13 Oct.Return flight with United.Outbound direct flight with United departs from San Juan Luis Munoz Marin on Wed, 7 Oct, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 13 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 277 €, select.
Washington D.C..278 € per passenger.Departing Fri, 28 Aug, returning Wed, 2 Sep.Return flight with United.Outbound direct flight with United departs from San Juan Luis Munoz Marin on Fri, 28 Aug, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Wed, 2 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 278 €, select.
Washington D.C..298 € per passenger.Departing Fri, 20 Nov, returning Sun, 29 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 20 Nov, arriving in Washington Dulles.Inbound direct flight with Frontier Airlines departs from Washington Dulles on Sun, 29 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 298 €, select.
Washington D.C..309 € per passenger.Departing Fri, 18 Dec, returning Thu, 31 Dec.Return flight with United.Outbound direct flight with United departs from San Juan Luis Munoz Marin on Fri, 18 Dec, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Thu, 31 Dec, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 309 €, select.
Washington D.C..314 € per passenger.Departing Sat, 31 Oct, returning Sat, 7 Nov.Return flight with United.Outbound direct flight with United departs from San Juan Luis Munoz Marin on Sat, 31 Oct, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 7 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 314 €, select.
Washington D.C..337 € per passenger.Departing Tue, 24 Nov, returning Tue, 1 Dec.Return flight with United.Outbound direct flight with United departs from San Juan Luis Munoz Marin on Tue, 24 Nov, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 1 Dec, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 337 €, select.
Washington D.C..358 € per passenger.Departing Wed, 20 Jan, returning Wed, 27 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Wed, 20 Jan, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Wed, 27 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 358 €, select.
Washington D.C..423 € per passenger.Departing Fri, 31 Jul, returning Sun, 9 Aug.Return flight with United.Outbound direct flight with United departs from San Juan Luis Munoz Marin on Fri, 31 Jul, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 9 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 423 €, select.
Washington D.C..443 € per passenger.Departing Sun, 25 Apr, returning Fri, 7 May.Return flight with United.Outbound direct flight with United departs from San Juan Luis Munoz Marin on Sun, 25 Apr, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 7 May, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From 443 €, select.

Find the cheapest month to fly from San Juan to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Juan to Washington Dulles flights are currently cheapest in October.
Jul
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Aug
from 247 €
Sep
from 206 €
Oct
from 190 €
Nov
from 258 €
Dec
from 309 €
Jan
from 358 €
Feb
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Mar
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Apr
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May
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Jun
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Direct flights from San Juan to Washington Dulles

San Juan to Washington Dulles: Alternative routes

Compare routes from San Juan to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Washington Ronald Reagan

5km from central Washington D.C.
Closest
from 249 €
Search flights

Washington Dulles

37km from central Washington D.C.
from 190 €
Search flights

Baltimore Washington International

44km from central Washington D.C.
Cheapest
from 174 €
Search flights

San Juan to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found190 €
Cheapest month to flyOctober
Average flight time4 hrs, 3 mins
Most popular airlineAir Canada
Average flights per week30

Finding cheap flights from San Juan to Washington Dulles: Frequently asked questions

The best price we found for a return flight from San Juan to Washington Dulles is 190 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 3 minutes is the average flight time from San Juan to Washington Dulles.
Air Canada, United and Frontier Airlines fly direct from San Juan to Washington Dulles.
As of July 2026, there are 30 flights per week flying from San Juan to Washington Dulles.
The cheapest month to fly from San Juan to Washington Dulles is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Juan to Washington Dulles Airport on Thursday, 1 October 2026.
Yes – the average flight time is 4 hours and 3 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from San Juan to Washington Dulles International Airport (IAD): What you need to know

  • San Juan's main base, Luis Munoz Marin International Airport (SJU), is where great travel stories take off. Explore your departure options from here for your flight from San Juan to Washington Dulles International Airport (IAD).

  • Around 4 hours is how long you can expect to be travelling on a direct San Juan to Washington Dulles International Airport flight.

  • Washington DC is one hour behind San Juan. Washington Dulles International Airport is located in Washington DC, which follows the UTC-5 timezone.

  • Luis Munoz Marin International Airport (SJU) to Washington Dulles International Airport (IAD) is the most popular route. There are 13 direct weekly flights to pick from. If you have things to do before leaving, take the last flight with United Airlines at 5:50pm. Choose the first SJU to IAD departure operated by United Airlines at 7:10am if you'd rather not wait around.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport with enough time to board your flight from San Juan to IAD.

  • Popular months like March or other busy periods mean longer lines and possible delays. Stick to your schedule by arriving at the airport even earlier. Plan for at least four hours ahead of international flights and two hours before a domestic departure.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Go straight to your destination from Luis Munoz Marin International Airport (SJU). Nonstop flights from San Juan to Washington Dulles International Airport (IAD) are available from here.

  • When departing from SJU, you can take a direct flight from San Juan to Washington Dulles International Airport with United Airlines.

  • The majority of travellers prefer to fly with United between SJU and IAD.

  • Among carriers on this route, United has the best record for on-time arrivals.

  • A stopover is the ideal opportunity to break up your journey and possibly even visit a new city. When browsing cheap flights from San Juan to IAD departing from Luis Munoz Marin International Airport (SJU), uncheck the 'Direct flights only' box to find all potential stops. Here's where you could connect through:

    • Atlanta Hartsfield-Jackson International Airport (ATL)

    • Orlando International Airport (MCO)

    • Punta Cana International Airport (PUJ)

  • Located around 11 kilometres from the centre of San Juan, SJU can be reached in about 20 minutes by car (depending on traffic). The journey on public transport is roughly 1 hour.

  • Want a relaxed start to your travels? Stay near Luis Munoz Marin International Airport. Whether you're catching an early flight from San Juan to Washington Dulles International Airport or just don't like being rushed, these hotels offer the perfect solution:

  • Luis Munoz Marin International Airport has a strong on-time record, so flight disruptions are less likely. Departures from SJU make it to their destination as scheduled 81% of the time.

About Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • From Washington Dulles International Airport, central Washington DC is around 40 kilometres away. It takes about 45 minutes to reach the city centre by car.

  • Travelling by public transport typically takes 1 hour 10 minutes.

How to find the cheapest flights from San Juan to Washington Dulles International Airport (IAD)

  • The lowest price we've found for a one-way ticket from San Juan to Washington Dulles International Airport is 84 €. For a return flight on this route, the best price is 190 €. Depending on when you book and the availability, these fares could change.

  • Book one month before flying. Research into pricing trends suggests this is the ideal window for finding cheap flights from San Juan to IAD.

  • The best month for scoring cheap San Juan to Washington Dulles International Airport tickets is June. Use the 'Whole month' tool to compare prices, then choose the dates that offer the biggest savings.

  • Finding a cheap plane ticket from San Juan to IAD is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when the price has dropped.

  • Tailor your flights using filters. Pick your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from San Juan to Washington Dulles International Airport.

The best time to fly from San Juan to Washington Dulles International Airport (IAD)

  • February is the quietest month for flights from San Juan to Washington Dulles International Airport (IAD), while June is the most popular. Choose the best time to visit Washington DC based on whether you want a laid-back vibe or a lively atmosphere.

  • Before locking in your San Juan to IAD plane ticket, consider the type of weather you enjoy. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • Look for cheap tickets from San Juan to Washington Dulles International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF).

More about Washington DC

Explore more of the United States

  • You've seen Washington DC, now it's time to explore other parts of the United States. Journey about 225 kilometres northeast to Philadelphia to tick off its popular sights. From Independence Hall to Liberty Bell and Philadelphia Museum of Art, you've got a jam-packed schedule ahead.

  • If there's time to check out another great destination in the United States, consider Virginia Beach, about 274 kilometres southeast of Washington DC. Virginia Beach Boardwalk, Resort Beach and Neptune's Park are key reasons to visit.

Plan the rest of your trip from San Juan to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.