$79+ Cheap flights from San Juan to Delaware
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ILG
Oct 16 — Oct 231
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Juan to Delaware 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 San Juan to Delaware
Cheapest
Best
Last-minute
One-way
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 September 16, 2026.
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 September 16, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 10/152:51 pm -
Nonstop4h 06m
Mon 10/196:24 am -
Nonstop3h 55m
Deal found 9/12![Frontier logo]()
$136
This eDestinos deal was found by Cheapflights users on 9/14. 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.
Thu 9/1712:59 am -
Nonstop3h 48m
Wed 9/2312:25 pm -
Nonstop3h 57m
Deal found 9/14![Frontier logo]()
$139
This CheapOair deal was found by Cheapflights users on 9/14. 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 11/512:59 am -
Nonstop4h 12m
Sun 11/87:07 pm -
Nonstop3h 57m
Deal found 9/14![Frontier logo]()
$140
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:15 am -
Nonstop4h 10m
Mon 11/166:00 am -
Nonstop3h 55m
Deal found 9/14![Frontier logo]()
$141
This OneTravel deal was found by Cheapflights users on 9/15. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:27 pm -
Nonstop4h 00m
Tue 10/2712:27 pm -
Nonstop3h 49m
Deal found 9/15![Frontier logo]()
$142
This OneTravel deal was found by Cheapflights users on 9/15. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:59 am -
Nonstop4h 05m
Wed 10/2112:30 pm -
Nonstop3h 56m
Deal found 9/15![Frontier logo]()
$143
This eDestinos deal was found by Cheapflights users on 9/13. 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 9/252:51 pm -
Nonstop4h 01m
Sun 9/276:24 am -
Nonstop3h 49m
Deal found 9/13![Frontier logo]()
$144
This Priceline deal was found by Cheapflights users on 9/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:51 pm -
Nonstop4h 01m
Mon 10/58:02 pm -
Nonstop3h 59m
Deal found 9/11![Frontier logo]()
$146
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Wed 10/1412:59 am -
Nonstop4h 05m
Thu 10/2211:23 am -
Nonstop3h 56m
Deal found 9/15![Frontier logo]()
$149
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Tue 10/612:59 am -
Nonstop3h 48m
Mon 10/126:24 am -
Nonstop3h 55m
Deal found 9/11![Frontier logo]()
$150
Best flights from San Juan to DelawareDiscover carefully curated flight deals from San Juan to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
Discover carefully curated flight deals from San Juan to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
This JetBlue deal was found by Cheapflights users on 9/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:59 pm -
1 stop8h 18m
Sat 11/73:35 pm -
1 stop8h 38m
Deal found 9/11![JetBlue logo]()
$223
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/71:00 am -
2 stops8h 43m
Sun 11/16:00 am -
1 stop6h 15m
Deal found 9/15![United Airlines logo]()
$275
This Southwest deal was found by Cheapflights users on 9/12. 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.
Fri 9/2511:35 am -
2 stops10h 30m
Wed 9/307:15 am -
2 stops11h 50m
Deal found 9/12![Southwest logo]()
$419
This JetBlue deal was found by Cheapflights users on 9/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:40 pm -
1 stop7h 19m
Fri 10/1612:58 pm -
1 stop9h 17m
Deal found 9/14![JetBlue logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 11/182:05 am -
2 stops13h 12m
Sat 12/510:53 am -
2 stops12h 43m
Deal found 9/12![United Airlines logo]()
$354
This JetBlue deal was found by Cheapflights users on 9/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:10 pm -
1 stop6h 49m
Fri 12/119:30 am -
1 stop8h 57m
Deal found 9/13![JetBlue logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/91:25 pm -
2 stops10h 05m
Tue 10/136:15 am -
1 stop6h 19m
Deal found 9/13![United Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 9/15. 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.
Fri 9/2511:35 am -
2 stops10h 30m
Mon 9/285:55 am -
2 stops11h 00m
Deal found 9/15![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/81:00 am -
2 stops8h 43m
Mon 10/126:15 am -
1 stop6h 19m
Deal found 9/11![United Airlines logo]()
$391
This Southwest deal was found by Cheapflights users on 9/14. 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.
Wed 9/3011:50 am -
2 stops10h 00m
Sat 10/310:15 am -
2 stops11h 15m
Deal found 9/14![Southwest logo]()
$460
Last-minute flights from San Juan to DelawareDiscover last-minute flight deals from San Juan to Delaware. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Delaware. Data last updated September 16, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 9/14. 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.
Thu 9/1712:59 am -
Nonstop3h 48m
Wed 9/2312:25 pm -
Nonstop3h 57m
Deal found 9/14![Frontier logo]()
$139
This eDestinos deal was found by Cheapflights users on 9/13. 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 9/252:51 pm -
Nonstop4h 01m
Sun 9/276:24 am -
Nonstop3h 49m
Deal found 9/13![Frontier logo]()
$144
This eDestinos deal was found by Cheapflights users on 9/13. 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 10/22:51 pm -
Nonstop4h 01m
Mon 10/58:02 pm -
Nonstop3h 59m
Deal found 9/13![Frontier logo]()
$147
This OneTravel deal was found by Cheapflights users on 9/15. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:27 pm -
Nonstop4h 00m
Tue 10/2712:27 pm -
Nonstop3h 49m
Deal found 9/15![Frontier logo]()
$142
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Tue 10/612:59 am -
Nonstop3h 48m
Mon 10/126:24 am -
Nonstop3h 55m
Deal found 9/11![Frontier logo]()
$150
This OneTravel deal was found by Cheapflights users on 9/12. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:59 am -
Nonstop4h 05m
Fri 10/238:02 pm -
Nonstop3h 52m
Deal found 9/12![Frontier logo]()
$146
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Wed 10/1412:59 am -
Nonstop4h 05m
Thu 10/2211:23 am -
Nonstop3h 56m
Deal found 9/15![Frontier logo]()
$149
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 10/152:51 pm -
Nonstop4h 06m
Mon 10/196:24 am -
Nonstop3h 55m
Deal found 9/12![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/162:51 pm -
Nonstop4h 06m
Mon 10/2611:23 am -
Nonstop3h 56m
Deal found 9/16![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/1612:59 am -
Nonstop4h 05m
Wed 10/287:00 am -
Nonstop3h 43m
Deal found 9/16![Frontier logo]()
$141
This OneTravel deal was found by Cheapflights users on 9/15. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:59 am -
Nonstop4h 05m
Wed 10/2112:30 pm -
Nonstop3h 56m
Deal found 9/15![Frontier logo]()
$143
One-way flights from San Juan to DelawareSearch for one-way flight options from San Juan to Delaware. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
Search for one-way flight options from San Juan to Delaware. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 10/812:59 am -
Nonstop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$79
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:49 am -
Nonstop4h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 11/113:59 pm -
1 stop8h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$81
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:59 am -
Nonstop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$82
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 11/1312:59 am -
Nonstop4h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 9/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:59 am -
Nonstop3h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Wed 9/2312:59 am -
Nonstop3h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 11/133:59 pm -
1 stop16h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 9/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:59 am -
Nonstop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 10/12:51 pm -
Nonstop4h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 9/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:59 am -
Nonstop3h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:11 pm -
1 stop14h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$90
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 September 16, 2026.
Round-trip from | $136 (Cheapflightsfares) |
|---|---|
One-way from | $79 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $230 |
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 7,457,451 searches. Data last updated September 16, 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
Cheapest round-trip
San JuanPhiladelphia
SJU San Juan Luis Munoz Marin Intl - PHL Philadelphia
SJUPHL
San Juan Luis Munoz Marin Intl
Tue 10/20
2:59 pm-12:56 am
1 stop9h 57m
Philadelphia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$121
San JuanPhiladelphia
SJU San Juan Luis Munoz Marin Intl - PHL Philadelphia
SJUPHL
San Juan Luis Munoz Marin Intl
Fri 11/13
4:10 pm-12:54 am
1 stop9h 44m
Philadelphia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$128
Quickest round-trip
San JuanPhiladelphia
SJU San Juan Luis Munoz Marin Intl - PHL Philadelphia
SJUPHL
San Juan Luis Munoz Marin Intl
Wed 9/30
4:55 pm-11:30 pm
1 stop6h 35m
Philadelphia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$147
San JuanPhiladelphia
SJU San Juan Luis Munoz Marin Intl - PHL Philadelphia
SJUPHL
San Juan Luis Munoz Marin Intl
Thu 9/24
1:00 am-9:43 am
2 stops8h 43m
Philadelphia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$154
San JuanPhiladelphia
SJU San Juan Luis Munoz Marin Intl - PHL Philadelphia
SJUPHL
San Juan Luis Munoz Marin Intl
Sat 10/10
1:00 am-9:32 am
2 stops8h 32m
Philadelphia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$161
San JuanPhiladelphia
SJU San Juan Luis Munoz Marin Intl - PHL Philadelphia
SJUPHL
San Juan Luis Munoz Marin Intl
Tue 9/22
6:00 am-5:35 pm
2 stops11h 35m
Philadelphia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
San JuanPhiladelphia
SJU San Juan Luis Munoz Marin Intl - PHL Philadelphia
SJUPHL
San Juan Luis Munoz Marin Intl
Sat 11/21
2:15 pm-12:20 am
2 stops11h 05m
Philadelphia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$167
San JuanPhiladelphia
SJU San Juan Luis Munoz Marin Intl - PHL Philadelphia
SJUPHL
San Juan Luis Munoz Marin Intl
Fri 11/13
2:05 am-2:17 pm
2 stops13h 12m
Philadelphia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
San JuanPhiladelphia
SJU San Juan Luis Munoz Marin Intl - PHL Philadelphia
SJUPHL
San Juan Luis Munoz Marin Intl
Wed 11/11
2:05 am-2:17 pm
2 stops13h 12m
Philadelphia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$177
San JuanPhiladelphia
SJU San Juan Luis Munoz Marin Intl - PHL Philadelphia
SJUPHL
San Juan Luis Munoz Marin Intl
Tue 10/20
1:25 pm-11:30 pm
2 stops10h 05m
Philadelphia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$177
Showing 1-10 of 20 resultsSorted by cheapest first
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.
SJU-PHL
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
PR1-USDE
SJU-PHL
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 September 16, 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.
Browse 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
Complete your trip
Flights by cabin class
Other flight options
Popular flights