$121+ Cheap flights from San Juan to Dulles Intl (IAD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Juan to Dulles Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.The best prices from San Juan to Washington, D.C. Dulles Intl are usually found in September or February, booked 8 days in advance, depart on a Friday or Thursday and return on a Tuesday
Cheap flight deals from San Juan to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 22, 2025.
Round-trip from | $144 (Frontier) |
|---|---|
One-way from | $125 (United Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $450 |
Find flight deals from San Juan to Dulles Intl
Cheapest flights from San Juan to Dulles IntlExplore the most affordable flight options available from San Juan to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.
Explore the most affordable flight options available from San Juan to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.
This Frontier deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This eDestinos deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from San Juan to Dulles Intl within your budget
Customize your flight search to find flights from San Juan to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 22, 2025.
Fly from
Fly to
Route
Depart
Return
Price
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Thu 2/6
6:00 am-3:44 pm
1 stop10h 44m
Washington, D.C. Dulles Intl
Sun 2/9
5:57 pm-2:19 am
1 stop7h 22m
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Thu 3/6
3:46 pm-11:48 pm
1 stop9h 02m
Washington, D.C. Dulles Intl
Mon 3/10
5:35 pm-9:22 pm
Nonstop3h 47m
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Sat 2/1
8:05 am-7:35 pm
1 stop12h 30m
Washington, D.C. Dulles Intl
Sun 2/2
8:05 pm-11:45 am
1 stop14h 40m
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Thu 2/27
10:31 pm-7:46 pm
2 stops22h 15m
Washington, D.C. Dulles Intl
Sun 3/2
9:45 pm-7:13 pm
1 stop20h 28m
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Wed 2/5
3:23 pm-11:13 pm
1 stop8h 50m
Washington, D.C. Dulles Intl
Sun 2/9
12:52 pm-11:46 pm
1 stop9h 54m
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Thu 2/27
10:31 pm-7:46 pm
2 stops22h 15m
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Thu 2/27
5:50 pm-8:50 pm
Nonstop4h 00m
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Thu 1/30
7:30 am-3:58 pm
1 stop9h 28m
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Wed 2/26
9:34 pm-9:05 pm
3 stops24h 31m
San JuanWashington, D.C.
SJU - IAD
SJUIAD
San Juan Luis Munoz Marin Intl
Mon 1/27
4:40 pm-11:58 pm
1 stop8h 18m
Best time to book a flight from San Juan to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Juan with our price prediction graph.
Travel insights for flights from San Juan to Dulles Intl
Get recent, data-driven insights about flights from San Juan to Dulles Intl including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from San Juan to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from San Juan to Dulles Intl. Price data was last updated on January 17, 2025.
To ensure you get the cheapest price possible for a flight from San Juan to Washington, D.C. Dulles Intl Airport, you should look to book at least 8 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Juan to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from San Juan to Washington, D.C. Dulles Intl Airport (average of $309). Flying from San Juan to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SJU to IAD?
Find hourly flight availability from San Juan to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 22, 2025.
It’s optimal to fly from San Juan to Washington, D.C. Dulles Intl Airport at noon. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from San Juan to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from San Juan to Dulles Intl. Price data was last updated on April 7, 2024.
Travelers seeking maximum savings on their San Juan to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from San Juan to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from San Juan to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 22, 2025.
The most flights from PR1 to IAD are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
Rainfall in Dulles Intl by month
Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.
Temperature in Dulles Intl by month
Plan your trip to Dulles Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated January 22, 2025.
Get a feel of what it's like to fly with Frontier, American Airlines and United Airlines from San Juan to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Comfort
Food
Entertainment
Overall
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Crew
Comfort
Food
Entertainment
Overall
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Crew
Comfort
Food
Entertainment
Overall
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Crew
Comfort
Food
Entertainment
Overall
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Crew
Comfort
Food
Entertainment
Overall
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Crew
Comfort
Food
Entertainment
Overall
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Related info for your journey
Find useful and relevant information for your journey from San Juan to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Juan?
Book flights to San Juan if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for San Juan to Dulles Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from San Juan to Dulles Intl
Discover the top 2 airlines that operate flights from San Juan to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 22, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$273 | Average$431 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$285 | Average$457 | FlexibilityNo cancel fee | On-time69% |