$137+ Cheap flights from Washington to San Juan
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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Washington to San Juan 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.Cheap flight deals from Washington to San Juan
Keep the following information in mind while searching for Washington to San Juan flight deals. Data was last updated April 3, 2025.
Round-trip from | $347 (Mytrip) |
|---|---|
One-way from | $142 (CheapOair) |
Popular in | December |
Cheapest in | September |
Average price | $589 |
Find flight deals from Washington to San Juan
Cheapest flights from Washington to San JuanExplore the most affordable flight options available from Washington to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.
Explore the most affordable flight options available from Washington to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.
This Mytrip deal was found by Cheapflights users on 4/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip 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 4/1. 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 4/2. 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 American Airlines deal was found by Cheapflights users on 4/1. 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 Delta deal was found by Cheapflights users on 4/2. 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.
This United Airlines deal was found by Cheapflights users on 4/2. 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 Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip 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 4/3. 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.
This Delta deal was found by Cheapflights users on 4/2. 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.
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to San Juan 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 April 3, 2025.
Use the filters below to find and compare flights from Washington to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Sat 5/10
3:20 pm-12:44 pm
2 stops18h 24m
San Juan Luis Munoz Marin Intl
Fri 5/16
8:12 pm-12:10 am
3 stops30h 58m
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Fri 4/11
10:25 am-7:40 pm
2 stops30h 15m
San Juan Luis Munoz Marin Intl
Tue 4/22
5:10 pm-1:37 pm
2 stops23h 27m
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Sat 4/26
7:20 am-8:28 pm
1 stop10h 08m
San Juan Luis Munoz Marin Intl
Sat 5/3
5:30 am-9:59 pm
1 stop19h 29m
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Sat 4/26
11:52 pm-2:45 pm
2 stops11h 53m
San Juan Luis Munoz Marin Intl
Thu 5/1
1:29 pm-11:28 pm
1 stop12h 59m
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Fri 5/2
7:50 pm-1:10 pm
2 stops14h 20m
San Juan Luis Munoz Marin Intl
Tue 5/6
1:19 pm-10:38 pm
1 stop12h 19m
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Sun 4/13
11:59 pm-5:33 pm
2 stops14h 34m
San Juan Luis Munoz Marin Intl
Sat 4/19
12:54 am-9:12 am
2 stops35h 18m
SpokaneSan Juan
GEG - SJU
GEGSJU
Spokane
Sun 4/27
7:25 pm-1:10 pm
2 stops14h 45m
San Juan Luis Munoz Marin Intl
Tue 5/6
6:35 am-8:44 pm
2 stops17h 09m
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Fri 4/18
11:39 pm-4:17 pm
1 stop13h 38m
San Juan Luis Munoz Marin Intl
Fri 4/25
12:16 pm-10:27 pm
1 stop13h 11m
SeattleSan Juan
SEA - SJU
SEASJU
Seattle/Tacoma Intl
Sat 4/26
3:33 pm-11:57 am
2 stops17h 24m
San Juan Luis Munoz Marin Intl
Fri 5/2
1:05 am-3:58 pm
2 stops17h 53m
PortlandSan Juan
PDX - SJU
PDXSJU
Portland
Fri 4/11
5:00 am-5:30 pm
1 stop9h 30m
San Juan Luis Munoz Marin Intl
Tue 4/22
1:40 pm-9:00 pm
1 stop10h 20m
Best time to book a flight from Washington to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Washington with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Washington to San Juan
What is the cheapest month to book a flight from State of Washington to San Juan?
Currently, September is the cheapest month in which you can book a flight from State of Washington to San Juan (average of $254). Flying from State of Washington to San Juan in December is currently the most expensive (average of $336). 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 WA to SJU?
Find hourly flight availability from Washington to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 3, 2025.
When flying from State of Washington to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in San Juan by month
Plan your trip to San Juan by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.
Temperature in San Juan by month
Plan your trip to San Juan by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated April 3, 2025.
To help decide which airline to fly from Washington to San Juan, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Entertainment
Food
Comfort
Crew
Overall
Reviews
Cheri,Jan 2025
FAT - SEA
Boarding
Entertainment
Food
Comfort
Crew
Overall
Reviews
Cheri,Jan 2025
FAT - SEA
Boarding
Entertainment
Food
Comfort
Crew
Overall
Reviews
Cheri,Jan 2025
FAT - SEA
Boarding
Entertainment
Food
Comfort
Crew
Overall
Reviews
Cheri,Jan 2025
FAT - SEA
Boarding
Entertainment
Food
Comfort
Crew
Overall
Reviews
Cheri,Jan 2025
FAT - SEA
Boarding
Entertainment
Food
Comfort
Crew
Overall
Reviews
Cheri,Jan 2025
FAT - SEA
Related info for your journey
Find useful and relevant information for your journey from Washington to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Washington to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from Washington to San Juan
Discover the top 9 airlines that operate flights from Washington to San Juan. 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 April 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$199 | Average$584 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$233 | Average$347 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$286 | Average$526 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$296 | Average$717 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$326 | Average$662 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$384 | Average$606 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$425 | Average$815 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$447 | Average$882 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$484 | Average$662 | FlexibilityNo cancel fee | On-time63% |