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Delaware

$79+ Cheap flights from San Diego (SAN) 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ILG
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from San Diego to Delaware

Keep the following information in mind while searching for San Diego to Delaware flight deals. Data was last updated August 21, 2025.

Round-trip from

$203
(Priceline)

One-way from

$79
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$413
From San Diego to Delaware
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One-way flight from San Diego to Delaware
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Highest demand for flights based on searches. 8% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from San Diego to Delaware

Cheapest flights from San Diego to Delaware
Explore the most affordable flight options available from San Diego to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This Priceline deal was found by Cheapflights users on 8/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:20 amSAN - PHL
1 stop11h 37mFrontier
Sun 9/148:10 amPHL - SAN
1 stop11h 32mFrontier
Deal found 8/20$203
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:47 pmSAN - PHL
2 stops25h 00mSpirit Airlines
Mon 9/225:21 pmPHL - SAN
1 stop22h 10mSpirit Airlines
Deal found 8/21$204
This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:15 amSAN - PHL
1 stop11h 36mSpirit Airlines
Wed 9/242:07 pmPHL - SAN
2 stops20h 22mSpirit Airlines
Deal found 8/20$207
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:15 amSAN - PHL
1 stop11h 36mSpirit Airlines
Sun 9/216:25 amPHL - SAN
1 stop7h 38mSpirit Airlines
Deal found 8/20$208
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:15 amSAN - PHL
1 stop11h 36mSpirit Airlines
Tue 9/232:07 pmPHL - SAN
2 stops12h 27mSpirit Airlines
Deal found 8/20$212
This Mytrip deal was found by Cheapflights users on 8/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:47 pmSAN - PHL
3 stops16h 21mSpirit Airlines
Wed 9/1712:00 pmPHL - SAN
2 stops14h 34mSpirit Airlines
Deal found 8/21$214
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 11/52:24 pmSAN - PHL
1 stop11h 25mMultiple Airlines
Mon 11/101:02 pmPHL - SAN
2 stops32h 07mMultiple Airlines
Deal found 8/19$215
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Sun 9/75:37 pmSAN - PHL
1 stop19h 55mMultiple Airlines
Wed 9/102:07 pmPHL - SAN
2 stops12h 27mMultiple Airlines
Deal found 8/19$216
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:15 amSAN - PHL
1 stop11h 36mMultiple Airlines
Sun 9/217:00 amPHL - SAN
1 stop9h 36mMultiple Airlines
Deal found 8/21$217
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:15 amSAN - PHL
1 stop20h 50mMultiple Airlines
Mon 9/225:21 pmPHL - SAN
1 stop8h 56mMultiple Airlines
Deal found 8/21$220
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:10 amSAN - SBY
1 stop9h 24mAmerican Airlines
Mon 10/275:19 amSBY - SAN
1 stop8h 37mAmerican Airlines
Deal found 8/21$644

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 21, 2025.
Use the filters below to find and compare flights from San Diego to Delaware that are best for you.

Fly from

San Diego

Fly to

Delaware

Route

Depart

Return

Price

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Fri 9/12

10:20 am-12:57 am

1 stop11h 37m

Philadelphia

Sun 9/14

8:10 am-4:42 pm

1 stop11h 32m

$203

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Mon 9/8

7:47 pm-11:47 pm

2 stops25h 00m

Philadelphia

Mon 9/22

5:21 pm-12:31 pm

1 stop22h 10m

$204

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Fri 9/19

6:35 am-12:57 am

1 stop15h 22m

Philadelphia

Sun 9/21

7:00 am-1:36 pm

1 stop9h 36m

$204

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 9/17

6:15 am-8:51 pm

1 stop11h 36m

Philadelphia

Wed 9/24

2:07 pm-7:29 am

2 stops20h 22m

$207

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Fri 10/10

6:41 am-5:19 am

1 stop19h 38m

Philadelphia

Sun 10/12

8:15 am-6:28 pm

1 stop13h 13m

$207

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 9/17

6:15 am-8:51 pm

1 stop11h 36m

Philadelphia

Sun 9/21

6:25 am-11:03 am

1 stop7h 38m

$208

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 9/17

6:15 am-8:51 pm

1 stop11h 36m

Philadelphia

Tue 9/23

2:07 pm-11:34 pm

2 stops12h 27m

$212

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 9/17

6:15 am-8:51 pm

1 stop11h 36m

Philadelphia

Sun 9/21

7:00 am-1:36 pm

1 stop9h 36m

$214

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sun 9/14

10:20 am-12:57 am

1 stop11h 37m

Philadelphia

Thu 9/18

8:10 am-5:42 pm

1 stop12h 32m

$214

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 11/5

2:24 pm-4:49 am

1 stop11h 25m

Philadelphia

Mon 11/10

1:02 pm-6:09 pm

2 stops32h 07m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 21 results
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Best time to book a flight from San Diego to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from San Diego 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 Diego to Delaware
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Delaware. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Delaware?

    For a flight from San Diego to Delaware, you will be flying from San Diego. San Diego (SAN) is just 2.6 mi from the center of the city.

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

    A quick flight from San Diego to Delaware can take about 11h 37m. Frontier provides one of the quickest options available for as low as $203. San Diego and Delaware are separated by a distance of 2364 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego 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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