$138 Cheap United flights from Washington to San Juan (IAD to SJU)

Find The Best Day To Fly from Washington to San Juan

Amazing United IAD to SJU Flight Deals

The cheapest flights to Luis Munoz Marin Intl. found within the past 7 days were round trip and $138 one way. Prices and availability subject to change. Additional terms may apply.

SJU From IAD Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Nando's Place

Nando's Place

3.5 out of 5
Save 100% on your flight
per person
Jul 18 - Jul 22
Roundtrip non-stop flight included
Washington (IAD) to San Juan (SJU)
El Colonial - Adults Only

El Colonial - Adults Only

3.5 out of 5
Save 100% on your flight
per person
Jun 6 - Jun 10
Roundtrip flight included
Washington (DCA) to San Juan (SJU)
Hyatt Vacation Club at Hacienda del Mar, Dorado

Hyatt Vacation Club at Hacienda del Mar, Dorado

3.5 out of 5
Save 100% on your flight
per person
Jul 8 - Jul 15
Roundtrip non-stop flight included
Washington (DCA) to San Juan (SJU)
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Frequently asked questions

Can I catch a flight from IAD to SJU right now?
Make sure you go to the Covid-19 Travel Advisor to see if there are any present quarantine requirements or travel advice reports in effect in SJU when flying from Washington Dulles Intl. Airport (IAD).
What terminal is United Airlines at Dulles Intl. Airport?
While it’s difficult to say which terminal your United Airlines flight from Dulles Intl. Airport to Luis Munoz Marin Intl. Airport (SJU) will take off from, we can tell you that it’s likely you’ll be arriving at terminal B.
Are there United Airlines non-stop flights from IAD to SJU?
It is possible to fly direct from Washington Dulles Intl. Airport (IAD) to SJU with United Airlines and avoid lengthy stopovers. The less time you spend getting to your destination, the more time you’ll have to embark on fun adventures.
How long is a United Airlines flight from IAD to SJU?
Bring that novel you’ve been meaning to read. A flight from Washington Dulles Intl. Airport (IAD) to Isla Verde Intl. Airport with United Airlines takes about 4 hours and 40 minutes. You’ll have sufficient time to get totally swept up in the plot.
What type of aircraft does United Airlines fly from IAD to SJU?
United Airlines typically uses the Boeing 737-900 when flying the IAD to SJU route.
How many direct and indirect flights does United Airlines fly from IAD to SJU?
If you need to lock in a trip from IAD to SJU, you can pick from at least 2 United Airlines flights each day.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to SJU, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.
CarrierFlightDepart IADArrive SJUSun
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5/25		Stops
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UA202505:30 pm09:24 pm
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Discover our best United flight from Washington IAD to San Juan SJU 

To find the best deals on flights to Washington from San Juan with United, just enter your travel dates, filter by United, and hit search. You’ll find 2 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Washington IAD to San Juan SJU with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from to , it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Washington IAD to San Juan SJU 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Washington to San Juan costs from $138. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to San Juan SJU from  Washington IAD with United 

To find a cheap United flight from Washington IAD to San Juan SJU, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Washington IAD to San Juan SJU 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as , or if you book a flight with a stopover. 

 

Find nonstop flights from Washington IAD to San Juan SJU with United 

If you’re keen to be on San Juan soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around 3 hour(s) 54 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Washington IAD to San Juan SJU 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to San Juan SJU from  Washington IAD with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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