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Delaware

$99+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ILG
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheap flight deals from San Juan to Delaware

Cheapest flights from San Juan to Delaware
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 August 2, 2026.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:51 pm
SJU
-
PHL
Nonstop4h 01m
Frontier
Sun 9/208:02 pm
PHL
-
SJU
Nonstop3h 59m
Frontier
Deal found 7/29$161
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:51 pm
SJU
-
PHL
Nonstop4h 01m
Frontier
Mon 9/212:40 pm
PHL
-
SJU
Nonstop3h 59m
Frontier
Deal found 7/30$162
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:59 am
SJU
-
PHL
Nonstop3h 48m
Frontier
Fri 9/188:02 pm
PHL
-
SJU
Nonstop3h 59m
Frontier
Deal found 7/29$163
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:24 am
SJU
-
PHL
Nonstop4h 02m
Frontier
Mon 9/710:59 pm
PHL
-
SJU
Nonstop4h 00m
Frontier
Deal found 7/30$164
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:50 pm
SJU
-
PHL
Nonstop4h 04m
Frontier
Fri 9/118:02 pm
PHL
-
SJU
Nonstop3h 59m
Frontier
Deal found 7/29$165
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:59 am
SJU
-
PHL
Nonstop4h 05m
Frontier
Sun 10/1811:23 am
PHL
-
SJU
Nonstop3h 56m
Frontier
Deal found 7/28$167
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:59 am
SJU
-
PHL
Nonstop4h 05m
Frontier
Sun 10/1111:23 am
PHL
-
SJU
Nonstop3h 56m
Frontier
Deal found 7/31$169
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:39 am
SJU
-
PHL
Nonstop4h 01m
Frontier
Sun 8/3011:55 am
PHL
-
SJU
Nonstop4h 02m
Frontier
Deal found 7/31$170
This eDestinos deal was found by Cheapflights users on 7/28. 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.
Fri 8/216:44 am
SJU
-
PHL
Nonstop4h 04m
Frontier
Mon 8/246:15 am
PHL
-
SJU
Nonstop4h 04m
Frontier
Deal found 7/28$177
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:44 am
SJU
-
PHL
Nonstop4h 04m
Frontier
Mon 9/141:50 pm
PHL
-
SJU
Nonstop3h 58m
Frontier
Deal found 7/29$178
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:12 pm
SJU
-
PHL
1 stop30h 31m
Frontier
Sat 10/177:20 am
PHL
-
SJU
Nonstop3h 44m
Frontier
Deal found 7/30$179

Find 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 August 2, 2026.

Round-trip from

$161
(FlightHub)

One-way from

$99
(eDestinos)

Popular in

June

Cheapest in

February

Average price

$279
From San Juan to Delaware
Search Deals
One-way flight from San Juan to Delaware
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 August 2, 2026.
Use the filters below to find and compare flights from San Juan to Delaware that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Fri 9/18

2:59 pm-12:40 am

1 stop9h 41m

Philadelphia

Tue 9/22

12:07 pm-10:19 pm

1 stop10h 12m

$256

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Tue 9/1

8:20 am-5:35 pm

1 stop9h 15m

Philadelphia

Sun 9/6

3:20 pm-11:10 pm

1 stop7h 50m

$303
Quickest round-trip

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Fri 9/25

4:29 pm-11:07 pm

1 stop6h 38m

Philadelphia

Mon 9/28

7:00 am-3:23 pm

1 stop8h 23m

$331

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Fri 8/28

11:35 am-9:40 pm

2 stops10h 05m

Philadelphia

Tue 9/15

10:45 am-10:05 pm

2 stops11h 20m

$336

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Sat 9/19

1:00 am-12:23 pm

2 stops11h 23m

Philadelphia

Thu 9/24

6:10 am-2:44 pm

1 stop8h 34m

$379

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Wed 9/23

1:00 am-9:43 am

2 stops8h 43m

Philadelphia

Mon 10/5

6:10 am-2:44 pm

1 stop8h 34m

$397

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Thu 9/17

1:00 am-9:43 am

2 stops8h 43m

Philadelphia

Tue 9/22

6:25 am-2:44 pm

1 stop8h 19m

$418

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Sun 8/30

5:30 am-3:55 pm

2 stops10h 25m

Philadelphia

Thu 9/3

12:45 pm-11:10 pm

2 stops10h 25m

$464

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Sat 9/19

1:00 am-9:42 am

2 stops8h 42m

Philadelphia

Mon 9/28

6:16 am-3:42 pm

1 stop9h 26m

$477

San JuanPhiladelphia

SJU - PHL

SJUPHL

San Juan Luis Munoz Marin Intl

Tue 8/25

1:00 am-9:43 am

2 stops8h 43m

Philadelphia

Sun 8/30

6:16 am-3:42 pm

1 stop9h 26m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 20 resultsSorted by cheapest first
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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 August 2, 2026.

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.

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.

  • How long is the flight from San Juan to Delaware?

    Airlines like Delta, Southwest, and JetBlue fly from San Juan to Delaware in about 6h 38m. The time it takes to get you to your destination can typically vary by up to 3h 03m. San Juan and Delaware are separated by a distance of 1579 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from San Juan to Delaware that include hotel bookings?

    Yes. In addition to deals on San Juan to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Delaware?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Juan to Delaware.

  • Can I find deals for business class flights from San Juan to Delaware?

    Yes. Cheapflights offers flight deals from San Juan to Delaware by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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