$96+ Cheap flights from San Juan to Delaware
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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ILG
Aug 5 — Aug 121
1 adult, Economy
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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
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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 San Juan to Delaware
Keep the following information in mind while searching for San Juan to Delaware flight deals. Data was last updated July 31, 2025.
Round-trip from | $147 (SmartFares) |
|---|---|
One-way from | $96 (SmartFares) |
Popular in | June |
Cheapest in | February |
Average price | $268 |
Find flight deals from San Juan to Delaware
Cheapest flights from San Juan to DelawareExplore the most affordable flight options available from San Juan to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.
Explore the most affordable flight options available from San Juan to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.
This SmartFares deal was found by Cheapflights users on 7/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1510:16 pmSJU - PHL
1 stop10h 36mSpirit Airlines
Sun 8/173:51 pmPHL - SJU
1 stop17h 14mSpirit Airlines
Deal found 7/31![Spirit Airlines logo]()
$147
This SmartFares deal was found by Cheapflights users on 7/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:28 amSJU - PHL
Nonstop3h 59mFrontier
Sun 9/287:32 pmPHL - SJU
Nonstop3h 51mFrontier
Deal found 7/31![Frontier logo]()
$180
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2812:59 amSJU - PHL
Nonstop4h 01mMultiple Airlines
Mon 9/112:54 pmPHL - SJU
Nonstop3h 48mMultiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$192
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to Delaware 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 July 31, 2025.
Use the filters below to find and compare flights from San Juan to Delaware that are best for you.
Fly from
San Juan
Fly to
Delaware
Route
Depart
Return
Price
San JuanPhiladelphia
SJU - PHL
SJUPHL
San Juan Luis Munoz Marin Intl
Fri 8/15
10:16 pm-8:52 am
1 stop10h 36m
Philadelphia
Sun 8/17
3:51 pm-9:05 am
1 stop17h 14m
$147
San JuanPhiladelphia
SJU - PHL
SJUPHL
San Juan Luis Munoz Marin Intl
Wed 9/24
12:28 am-4:27 am
Nonstop3h 59m
Philadelphia
Sun 9/28
7:32 pm-11:23 pm
Nonstop3h 51m
$180
San JuanPhiladelphia
SJU - PHL
SJUPHL
San Juan Luis Munoz Marin Intl
Thu 8/28
12:59 am-5:00 am
Nonstop4h 01m
Philadelphia
Mon 9/1
12:54 pm-4:42 pm
Nonstop3h 48m
$192
San JuanPhiladelphia
SJU - PHL
SJUPHL
San Juan Luis Munoz Marin Intl
Thu 9/4
12:28 am-4:27 am
Nonstop3h 59m
$96
San JuanPhiladelphia
SJU - PHL
SJUPHL
San Juan Luis Munoz Marin Intl
Wed 8/13
8:00 am-11:54 am
Nonstop3h 54m
$101
San JuanPhiladelphia
SJU - PHL
SJUPHL
San Juan Luis Munoz Marin Intl
Tue 10/28
12:51 pm-9:36 pm
1 stop8h 45m
$118
San JuanPhiladelphia
SJU - PHL
SJUPHL
San Juan Luis Munoz Marin Intl
Sun 9/28
5:05 am-12:50 pm
1 stop7h 45m
$125
San JuanPhiladelphia
SJU - PHL
SJUPHL
San Juan Luis Munoz Marin Intl
Tue 8/12
7:34 pm-9:46 am
1 stop14h 12m
$131
Best time to book a flight from San Juan to Delaware
Have a flexible travel schedule? Discover the best time to fly to Delaware from San Juan with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Juan to Delaware
What is the cheapest time of day to fly from SJU to DE?
Find hourly flight availability from San Juan to Delaware. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.
When flying from San Juan to Delaware, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Delaware
Get insights into the airlines that provide service to Delaware. 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 Delaware. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from San Juan to Delaware, such as Southwest, JetBlue, and Spirit Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentGina,Jul 2025
LAS - DEN
Related info for your journey
Find useful and relevant information for your journey from San Juan to Delaware. 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 San Juan to Delaware
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from San Juan to Delaware
Discover the top airline that operate flights from San Juan to Delaware. 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 July 31, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$305 | FlexibilityNo cancel fee | On-timeN/A |