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Delaware

$138+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ILG
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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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 October 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/208:39 amSAN - PHL
2 stops12h 07mMultiple Airlines
Tue 11/256:00 amPHL - SAN
1 stop20h 59mMultiple Airlines
Deal found 10/21$315
This CheapOair deal was found by Cheapflights users on 10/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:39 pmSAN - PHL
1 stop21h 01mJetBlue
Tue 11/186:00 amPHL - SAN
1 stop10h 42mJetBlue
Deal found 10/21$316
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/176:41 amSAN - PHL
2 stops24h 00mFrontier
Wed 11/2610:30 amPHL - SAN
1 stop10h 25mFrontier
Deal found 10/21$317
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Sun 11/97:30 pmSAN - PHL
2 stops17h 56mMultiple Airlines
Thu 11/138:05 pmPHL - SAN
1 stop19h 30mMultiple Airlines
Deal found 10/21$318
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Wed 10/297:40 amSAN - PHL
1 stop18h 09mMultiple Airlines
Sun 11/28:05 pmPHL - SAN
1 stop19h 30mMultiple Airlines
Deal found 10/21$319
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Wed 11/191:37 pmSAN - PHL
1 stop12h 12mFrontier
Tue 11/256:00 amPHL - SAN
1 stop20h 59mFrontier
Deal found 10/21$320
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Fri 10/315:57 pmSAN - PHL
1 stop7h 52mFrontier
Mon 11/36:35 pmPHL - SAN
2 stops20h 32mFrontier
Deal found 10/21$322
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Wed 12/3110:48 pmSAN - PHL
Nonstop5h 07mAmerican Airlines
Wed 1/78:20 amPHL - SAN
Nonstop6h 12mAmerican Airlines
Deal found 10/23$323
This Vliegwinkel deal was found by Cheapflights users on 10/21. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:25 pmSAN - PHL
1 stop10h 21mHawaiian Airlines
Sat 12/137:06 amPHL - SAN
1 stop12h 51mHawaiian Airlines
Deal found 10/21$325
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Wed 10/297:40 amSAN - PHL
1 stop18h 09mFrontier
Fri 11/76:19 amPHL - SAN
1 stop20h 31mFrontier
Deal found 10/21$326
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Tue 10/287:40 amSAN - PHL
2 stops22h 32mFrontier
Sat 11/16:19 amPHL - SAN
1 stop19h 06mFrontier
Deal found 10/21$328
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/76:35 amSAN - SBY
1 stop8h 58mAmerican Airlines
Tue 11/116:30 amSBY - SAN
1 stop8h 13mAmerican Airlines
Deal found 10/22$697

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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$315
(Kiwi.com)

One-way from

$138
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$409
Provider with most accurate pricing for San Diego-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Philadelphia flights.
Search Deals
From San Diego to Delaware
Search Deals
One-way flight from San Diego to Delaware
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 23, 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

Tue 12/9

8:31 pm-9:39 am

1 stop10h 08m

Philadelphia

Mon 12/15

10:24 am-7:21 pm

1 stop11h 57m

$331

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 12/6

4:25 pm-5:46 am

1 stop10h 21m

Philadelphia

Sat 12/13

7:06 am-3:06 pm

1 stop11h 00m

$342

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 12/10

9:34 am-5:46 am

1 stop17h 12m

Philadelphia

Sat 12/13

7:06 am-4:57 pm

1 stop12h 51m

$342

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 12/31

11:52 am-10:11 pm

1 stop7h 19m

Philadelphia

Wed 1/7

5:20 pm-10:00 pm

1 stop7h 40m

$343

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 11/20

7:07 pm-5:55 am

1 stop7h 48m

Philadelphia

Sat 11/22

2:30 pm-9:15 pm

1 stop9h 45m

$343

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 11/13

2:05 pm-11:45 pm

1 stop6h 40m

Philadelphia

Wed 11/19

8:05 am-2:15 pm

2 stops9h 10m

$348

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 11/27

7:18 am-5:36 pm

1 stop7h 18m

Philadelphia

Wed 12/3

12:37 pm-6:18 pm

1 stop8h 41m

$348

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 11/4

6:40 am-5:35 pm

1 stop7h 55m

Philadelphia

Wed 11/5

6:00 am-10:50 am

1 stop7h 50m

$361

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 10/29

6:25 am-6:07 pm

1 stop8h 42m

Philadelphia

Tue 11/4

6:00 am-10:34 am

1 stop7h 34m

$361

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 10/28

10:30 pm-9:30 am

1 stop8h 00m

Philadelphia

Wed 11/5

9:46 am-2:32 pm

1 stop7h 46m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 24 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 7h 19m. JetBlue provides one of the quickest options available for as low as $343. 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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