Title: £111 Cheap Flights from San Juan to Washington (SJU to IAD) - Expedia.co.uk ![Chantilly, France - December 2013: The chateau at Chantilly](https://images.trvl-media.com/place/8638/8a4635fc-37fb-4de8-b687-777b12acac2c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £111 Cheap Flights from San Juan (SJU) to Washington (IAD) [View £111 flight on Wed, 11 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SJU,to:IAD,departure:11/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:110.80&airProductToken=AQpvCjYIxJgBEgQxNzU3GLKiASDgXCiGrYcDMICvhwM4RUAAWAFqCU1BSU5CQVNJQ3IIWE5OTDBOQloKNQjEmAESBDI1NDkY4FwgiBgosbGHAzCXsocDOEVAAVgBaglNQUlOQkFTSUNyCFhOTkwwTkJaEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Washington Dulles International Airport (IAD) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:sju,to:iad,departure:17/10/2025TANYT&leg2=from:iad,to:sju,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sju,to:iad,departure:17/10/2025TANYT&leg2=from:iad,to:sju,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sju,to:iad,departure:17/10/2025TANYT&leg2=from:iad,to:sju,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:sju,to:iad,departure:17/10/2025TANYT&leg2=from:iad,to:sju,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Sun Country Airlines](https://a.travel-assets.com/air/airlines/sy_sq.svg) Sun Country Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sju,to:iad,departure:17/10/2025TANYT&leg2=from:iad,to:sju,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SY"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from San Juan (SJU) to Washington (IAD) Prices were available within the past 7 days and start at £111 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ## Find the cheapest month to fly from San Juan (SJU) to Washington (IAD) ### February is typically the cheapest month to fly From £95 - £377 per traveller. Flight from San Juan to Washington route information | Origin airport | Luis Munoz Marin Intl. | | --- | --- | | Destination airport | Washington Dulles Intl. | | Distance | 2519 km | | Average flight time | 3 hours 56 mins | ## Compare flights from San Juan to Washington easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Juan to Washington. Operating between them flights per day, 8 airlines cover the route. And fly direct, getting you to Washington Dulles Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Luis Munoz Marin Intl. to Washington Dulles Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Luis Munoz Marin Intl. (SJU) to Washington Dulles Intl. (IAD) The easiest way to view the best deals on flights from San Juan to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Luis Munoz Marin Intl. to Washington Dulles Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near San Juan and Washington - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your San Juan to Washington flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Luis Munoz Marin Intl. to Washington Dulles Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from Isla Verde Intl. Airport to Dulles Intl. Airport? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight between Luis Munoz Marin Intl. Airport (SJU) and Washington Dulles Intl. Airport (IAD) was . Cheap fares don't last long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Isla Verde Intl. Airport to IAD? > Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Luis Munoz Marin Intl. Airport (SJU) to Washington Dulles Intl. Airport (IAD) that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SJU to IAD flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from SJU to Dulles Intl. Airport? > You'll be up above the clouds for a while, as the flight distance between Carolina and Chantilly is 2,500 kilometres. Put together a playlist of your favourite podcasts before leaving home to stay entertained during the journey. ### Which airlines fly direct from SJU to IAD? > Flying nonstop from SJU to IAD is a cinch with United Airlines (UA). This popular carrier operates 30 flights each month. ### Are Isla Verde Intl. Airport to IAD flight tickets cheaper when they're purchased at the last minute? > Flight prices always go up and down, so not always. While last-minute deals between Luis Munoz Marin Intl. Airport (SJU) and Washington Dulles Intl. Airport (IAD) are possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some carriers announce their prices up to a year ahead of the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking back and be ready to lock in your seat when the fares dip. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Aberdeen (ABR) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/abr/dca/aberdeen-to-washington) - [Flights from Atlantic City (ACY) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/acy/dca/atlantic-city-to-washington) - [Flights from Atlanta (ATL) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/atl/dca/atlanta-to-washington) - [Flights from Atlanta (ATL) to Manassas (MNZ)](https://www.expedia.co.uk/lp/flights/atl/mnz/atlanta-to-manassas) - [Flights from Austin (AUS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/aus/dca/austin-to-washington) - [Flights from Asheville (AVL) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/avl/dca/asheville-to-washington) - [Flights from Bridgetown (BGI) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/bgi/dca/bridgetown-to-washington) - [Flights from Belfast (BHD) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/bhd/dca/belfast-to-washington) - [Flights from Birmingham (BHM) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/bhm/dca/birmingham-to-washington) - [Flights from Birmingham (BHX) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/bhx/dca/birmingham-to-washington) - [Flights from Nashville (BNA) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/bna/dca/nashville-to-washington) - [Flights from Boston (BOS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/bos/dca/boston-to-washington) - [Flights from Boston (BOS) to Manassas (MNZ)](https://www.expedia.co.uk/lp/flights/bos/mnz/boston-to-manassas) - [Flights from Burlington (BTV) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/btv/dca/burlington-to-washington) - [Flights from Buffalo (BUF) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/buf/dca/buffalo-to-washington) - [Flights from Paris (CDG) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/cdg/dca/paris-to-washington) - [Flights from Charleston (CHS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/chs/dca/charleston-to-washington) - [Flights from Cleveland (CLE) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/cle/dca/cleveland-to-washington) - [Flights from Charlotte (CLT) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/clt/dca/charlotte-to-washington) - [Flights from Colorado Springs (COS) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/cos/dca/colorado-springs-to-washington) - [Flights from Charleston (CRW) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/crw/dca/charleston-to-washington) - [Flights from Cincinnati (CVG) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/cvg/dca/cincinnati-to-washington) - [Flights from Dayton (DAY) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/day/dca/dayton-to-washington) - [Flights from Denver (DEN) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/den/dca/denver-to-washington) - [Flights from Dallas (DFW) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/dfw/dca/dallas-to-washington) - [Flights from Detroit (DTW) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/dtw/dca/detroit-to-washington) - [Flights from Dublin (DUB) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/dub/dca/dublin-to-washington) - [Flights from Edinburgh (EDI) to Washington (DCA)](https://www.expedia.co.uk/lp/flights/edi/dca/edinburgh-to-washington) - [Flights from Newark Liberty Intl. 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