$76+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ILG
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Delaware with Cheapflights
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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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Cheapest flights from San Diego to DelawareExplore 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 March 17, 2026.
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 March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:25 pm
SAN
- PHL
1 stop14h 09m
Frontier
Sun 5/108:35 pm
PHL
- SAN
1 stop15h 07m
Frontier
Deal found 3/13![Frontier logo]()
$350
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:25 am
SAN
- PHL
1 stop20h 12m
Multiple Airlines
Sun 5/176:00 am
PHL
- SAN
1 stop16h 17m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Tue 4/712:00 pm
SAN
- PHL
1 stop14h 31m
Frontier
Sat 4/118:25 pm
PHL
- SAN
1 stop30h 37m
Frontier
Deal found 3/15![Frontier logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Thu 4/26:25 am
SAN
- PHL
2 stops14h 53m
Frontier
Sun 4/58:25 pm
PHL
- SAN
1 stop30h 37m
Frontier
Deal found 3/15![Frontier logo]()
$353
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:25 am
SAN
- PHL
1 stop12h 49m
Frontier
Wed 5/206:10 am
PHL
- SAN
1 stop14h 49m
Frontier
Deal found 3/13![Frontier logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:37 pm
SAN
- PHL
1 stop16h 29m
Alaska Airlines
Thu 10/15:15 pm
PHL
- SAN
1 stop9h 51m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$357
This CheapOair deal was found by Cheapflights users on 3/17. 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 4/1510:30 am
SAN
- PHL
1 stop16h 04m
Multiple Airlines
Tue 5/58:25 am
PHL
- SAN
2 stops14h 39m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$359
This CheapOair deal was found by Cheapflights users on 3/17. 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 6/36:25 am
SAN
- PHL
1 stop20h 12m
Frontier
Sun 6/78:35 pm
PHL
- SAN
1 stop15h 07m
Frontier
Deal found 3/17![Frontier logo]()
$361
This CheapOair deal was found by Cheapflights users on 3/17. 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.
Sat 6/69:37 am
SAN
- PHL
1 stop17h 00m
Frontier
Tue 6/92:21 pm
PHL
- SAN
1 stop12h 05m
Frontier
Deal found 3/17![Frontier logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:00 pm
SAN
- PHL
1 stop14h 31m
Frontier
Sat 4/119:56 pm
PHL
- SAN
1 stop28h 30m
Frontier
Deal found 3/12![Frontier logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Thu 4/26:25 am
SAN
- PHL
1 stop20h 06m
Frontier
Sat 4/112:19 pm
PHL
- SAN
2 stops12h 43m
Frontier
Deal found 3/15![Frontier logo]()
$364
This Frontier deal was found by Cheapflights users on 3/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:25 am
SAN
- PHL
1 stop14h 15m
Frontier
Thu 4/91:13 pm
PHL
- SAN
1 stop13h 41m
Frontier
Deal found 3/15![Frontier logo]()
$365
Best flights from San Diego to DelawareDiscover carefully curated flight deals from San Diego to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from San Diego to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:47 am
SAN
- PHL
2 stops16h 18m
Alaska Airlines
Tue 4/217:25 am
PHL
- SAN
1 stop12h 31m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 3/14. 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.
Sat 6/62:00 pm
SAN
- PHL
1 stop7h 05m
Southwest
Tue 6/912:55 pm
PHL
- SAN
2 stops9h 05m
Southwest
Deal found 3/14![Southwest logo]()
$416
This Delta deal was found by Cheapflights users on 3/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:50 pm
SAN
- PHL
1 stop8h 35m
Delta
Wed 7/157:05 am
PHL
- SAN
1 stop10h 34m
Delta
Deal found 3/14![Delta logo]()
$431
This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:15 am
SAN
- SBY
2 stops11h 16m
American Airlines
Sat 8/295:25 pm
SBY
- SAN
2 stops9h 27m
American Airlines
Deal found 3/13![American Airlines logo]()
$681
This Southwest deal was found by Cheapflights users on 3/15. 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.
Sat 4/186:25 am
SAN
- PHL
2 stops9h 10m
Southwest
Sat 4/257:45 am
PHL
- SAN
2 stops9h 40m
Southwest
Deal found 3/15![Southwest logo]()
$421
This Southwest deal was found by Cheapflights users on 3/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:30 am
SAN
- PHL
2 stops8h 55m
Southwest
Sat 4/189:45 am
PHL
- SAN
2 stops9h 25m
Southwest
Deal found 3/16![Southwest logo]()
$426
This Southwest deal was found by Cheapflights users on 3/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:40 pm
SAN
- PHL
1 stop8h 55m
Southwest
Thu 4/232:15 pm
PHL
- SAN
2 stops8h 40m
Southwest
Deal found 3/16![Southwest logo]()
$426
This Southwest deal was found by Cheapflights users on 3/12. 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.
Tue 6/910:55 am
SAN
- PHL
2 stops8h 55m
Southwest
Mon 6/222:00 pm
PHL
- SAN
1 stop12h 25m
Southwest
Deal found 3/12![Southwest logo]()
$429
This Southwest deal was found by Cheapflights users on 3/12. 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.
Sat 4/118:20 am
SAN
- PHL
2 stops10h 15m
Southwest
Sat 4/186:15 am
PHL
- SAN
2 stops10h 50m
Southwest
Deal found 3/12![Southwest logo]()
$440
This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:15 am
SAN
- SBY
1 stop10h 16m
American Airlines
Sat 8/295:01 am
SBY
- SAN
1 stop7h 13m
American Airlines
Deal found 3/13![American Airlines logo]()
$687
This Southwest deal was found by Cheapflights users on 3/12. 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.
Tue 7/146:35 am
SAN
- PHL
1 stop7h 25m
Southwest
Mon 7/205:00 am
PHL
- SAN
2 stops9h 20m
Southwest
Deal found 3/12![Southwest logo]()
$449
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:40 am
SAN
- SBY
1 stop10h 30m
American Airlines
Sun 5/176:38 am
SBY
- SAN
1 stop7h 39m
American Airlines
Deal found 3/12![American Airlines logo]()
$704
This Southwest deal was found by Cheapflights users on 3/12. 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.
Wed 7/2212:10 pm
SAN
- PHL
2 stops9h 50m
Southwest
Mon 7/275:00 am
PHL
- SAN
2 stops9h 20m
Southwest
Deal found 3/12![Southwest logo]()
$454
This Southwest deal was found by Cheapflights users on 3/12. 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.
Wed 4/86:20 am
SAN
- PHL
2 stops8h 30m
Southwest
Sat 4/116:15 am
PHL
- SAN
2 stops10h 50m
Southwest
Deal found 3/12![Southwest logo]()
$459
This Southwest deal was found by Cheapflights users on 3/12. 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.
Sun 7/2610:40 pm
SAN
- PHL
1 stop11h 40m
Southwest
Fri 7/314:45 pm
PHL
- SAN
1 stop9h 15m
Southwest
Deal found 3/12![Southwest logo]()
$482
Last-minute flights from San Diego to DelawareDiscover last-minute flight deals from San Diego to Delaware. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Delaware. Data last updated March 17, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:25 am
SAN
- PHL
1 stop20h 06m
Frontier
Mon 3/238:25 pm
PHL
- SAN
1 stop30h 43m
Frontier
Deal found 3/16![Frontier logo]()
$361
This Expedia deal was found by Cheapflights users on 3/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:25 am
SAN
- PHL
1 stop20h 06m
Multiple Airlines
Wed 3/257:25 am
PHL
- SAN
1 stop11h 21m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$367
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/286:55 am
SAN
- PHL
1 stop7h 47m
Frontier
Thu 4/21:13 pm
PHL
- SAN
1 stop12h 45m
Frontier
Deal found 3/13![Frontier logo]()
$369
This Frontier deal was found by Cheapflights users on 3/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:25 am
SAN
- PHL
1 stop14h 15m
Frontier
Thu 4/91:13 pm
PHL
- SAN
1 stop13h 41m
Frontier
Deal found 3/15![Frontier logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Thu 4/26:25 am
SAN
- PHL
2 stops14h 53m
Frontier
Sun 4/58:25 pm
PHL
- SAN
1 stop30h 37m
Frontier
Deal found 3/15![Frontier logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Thu 4/26:25 am
SAN
- PHL
1 stop20h 06m
Frontier
Sat 4/112:19 pm
PHL
- SAN
2 stops12h 43m
Frontier
Deal found 3/15![Frontier logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Sat 4/46:25 am
SAN
- PHL
1 stop20h 09m
Frontier
Tue 4/72:09 pm
PHL
- SAN
2 stops36h 53m
Frontier
Deal found 3/14![Frontier logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Sat 4/46:35 am
SAN
- PHL
1 stop11h 16m
Frontier
Fri 4/108:33 pm
PHL
- SAN
2 stops30h 29m
Frontier
Deal found 3/15![Frontier logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Tue 4/712:00 pm
SAN
- PHL
1 stop14h 31m
Frontier
Sat 4/118:25 pm
PHL
- SAN
1 stop30h 37m
Frontier
Deal found 3/15![Frontier logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:00 pm
SAN
- PHL
1 stop14h 31m
Frontier
Sat 4/119:56 pm
PHL
- SAN
1 stop28h 30m
Frontier
Deal found 3/12![Frontier logo]()
$363
This CheapOair deal was found by Cheapflights users on 3/17. 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 4/1510:30 am
SAN
- PHL
1 stop16h 04m
Multiple Airlines
Fri 5/88:25 am
PHL
- SAN
2 stops14h 39m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$359
This CheapOair deal was found by Cheapflights users on 3/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:15 pm
SAN
- PHL
2 stops21h 44m
Multiple Airlines
Wed 4/228:00 am
PHL
- SAN
1 stop8h 17m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$378
One-way flights from San Diego to DelawareSearch for one-way flight options from San Diego to Delaware. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from San Diego to Delaware. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Trip.com deal was found by Cheapflights users on 3/15. 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.
Tue 4/147:15 am
SAN
- PHL
1 stop19h 19m
Frontier
Deal found 3/15![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Wed 4/1510:30 am
SAN
- PHL
1 stop16h 04m
Frontier
Deal found 3/16![Frontier logo]()
$81
This Trip.com deal was found by Cheapflights users on 3/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:25 am
SAN
- PHL
1 stop20h 12m
Frontier
Deal found 3/14![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:25 am
SAN
- PHL
1 stop20h 12m
Frontier
Deal found 3/13![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/1612:25 pm
SAN
- PHL
1 stop14h 09m
Frontier
Deal found 3/17![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Wed 5/136:25 am
SAN
- PHL
2 stops14h 12m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 3/17. 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 4/86:25 am
SAN
- PHL
1 stop20h 06m
Frontier
Deal found 3/17![Frontier logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:45 am
SAN
- PHL
1 stop13h 36m
Frontier
Deal found 3/13![Frontier logo]()
$115
Find 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 March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $350 (Kiwi.com) |
One-way from | $76 (Trip.com) |
Popular in | December |
Cheapest in | October |
Average price | $474 |
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 March 17, 2026.
Use the filters below to find and compare flights from San Diego to Delaware that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Thu 4/16
10:47 am-6:05 am
2 stops16h 18m
Philadelphia
Tue 4/21
7:25 am-4:56 pm
1 stop12h 31m
$406
Quickest round-trip
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Sat 6/6
2:00 pm-12:05 am
1 stop7h 05m
Philadelphia
Tue 6/9
12:55 pm-7:00 pm
2 stops9h 05m
$416
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Sat 4/18
6:25 am-6:35 pm
2 stops9h 10m
Philadelphia
Sat 4/25
7:45 am-2:25 pm
2 stops9h 40m
$421
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Thu 4/16
6:30 am-6:25 pm
2 stops8h 55m
Philadelphia
Sat 4/18
9:45 am-4:10 pm
2 stops9h 25m
$426
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Mon 4/20
12:40 pm-12:35 am
1 stop8h 55m
Philadelphia
Thu 4/23
2:15 pm-7:55 pm
2 stops8h 40m
$426
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Tue 6/9
10:55 am-10:50 pm
2 stops8h 55m
Philadelphia
Mon 6/22
2:00 pm-11:25 pm
1 stop12h 25m
$429
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Wed 7/8
12:50 pm-12:25 am
1 stop8h 35m
Philadelphia
Wed 7/15
7:05 am-2:39 pm
1 stop10h 34m
$431
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Sat 4/11
8:20 am-9:35 pm
2 stops10h 15m
Philadelphia
Sat 4/18
6:15 am-2:05 pm
2 stops10h 50m
$440
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Tue 7/14
6:35 am-5:00 pm
1 stop7h 25m
Philadelphia
Mon 7/20
5:00 am-11:20 am
2 stops9h 20m
$449
San DiegoPhiladelphia
SAN - PHL
SANPHL
San Diego
Wed 7/22
12:10 pm-1:00 am
2 stops9h 50m
Philadelphia
Mon 7/27
5:00 am-11:20 am
2 stops9h 20m
$454
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SAN-PHL
SAN-SBY
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SAN-PHL
SAN-SBY
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