$62+ Cheap flights from California 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ILG
May 3 — May 101
Round-trip
1 adult, Economy
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Find cheap flights from California 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
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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 California to Delaware
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Cheapest flights from California to DelawareExplore the most affordable flight options available from California to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.
Explore the most affordable flight options available from California to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/510:50 am
ONT
- PHL
1 stop15h 47m
Frontier
Tue 5/128:35 pm
PHL
- ONT
1 stop16h 30m
Frontier
Deal found 4/3![Frontier logo]()
$124
This Trip.com deal was found by Cheapflights users on 4/3. 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.
Mon 4/2712:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Tue 5/58:35 pm
PHL
- ONT
1 stop16h 30m
Frontier
Deal found 4/3![Frontier logo]()
$148
This Trip.com deal was found by Cheapflights users on 4/1. 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 4/2112:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Mon 5/48:41 pm
PHL
- ONT
1 stop16h 24m
Frontier
Deal found 4/1![Frontier logo]()
$149
This Trip.com deal was found by Cheapflights users on 4/1. 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 4/2812:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Wed 5/612:17 pm
PHL
- ONT
1 stop9h 54m
Frontier
Deal found 4/1![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/2812:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Mon 5/48:41 pm
PHL
- ONT
1 stop16h 24m
Frontier
Deal found 4/1![Frontier logo]()
$153
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:44 pm
ONT
- PHL
1 stop8h 06m
Frontier
Wed 4/298:31 pm
PHL
- ONT
1 stop14h 00m
Frontier
Deal found 3/31![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/2. 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.
Thu 4/232:32 pm
BUR
- PHL
1 stop11h 41m
Frontier
Thu 4/306:43 am
PHL
- BUR
1 stop10h 04m
Frontier
Deal found 4/2![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 4/1. 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.
Sat 5/27:44 pm
ONT
- PHL
1 stop6h 41m
Frontier
Sat 5/98:35 pm
PHL
- ONT
1 stop16h 30m
Frontier
Deal found 4/1![Frontier logo]()
$161
This Booking.com deal was found by Cheapflights users on 3/30. 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.
Tue 4/2112:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Fri 4/248:41 pm
PHL
- ONT
1 stop30h 14m
Frontier
Deal found 3/30![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 4/2. 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.
Fri 4/2411:29 am
SNA
- PHL
1 stop15h 05m
Frontier
Thu 4/306:43 am
PHL
- SNA
1 stop14h 23m
Frontier
Deal found 4/2![Frontier logo]()
$162
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Mon 4/275:33 pm
ONT
- PHL
1 stop9h 01m
Frontier
Fri 5/18:41 pm
PHL
- ONT
1 stop30h 14m
Frontier
Deal found 4/1![Frontier logo]()
$166
This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:33 pm
ONT
- PHL
1 stop9h 01m
Frontier
Thu 4/306:43 am
PHL
- ONT
1 stop28h 21m
Frontier
Deal found 3/31![Frontier logo]()
$167
Best flights from California to DelawareDiscover carefully curated flight deals from California to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
Discover carefully curated flight deals from California to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
This Southwest deal was found by Cheapflights users on 4/2. 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 4/151:35 pm
SJC
- PHL
1 stop7h 20m
Southwest
Fri 4/175:40 am
PHL
- SJC
1 stop7h 20m
Southwest
Deal found 4/2![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 4/2. 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 4/2910:15 pm
ONT
- PHL
1 stop8h 10m
Delta
Thu 5/75:17 pm
PHL
- ONT
1 stop7h 31m
Delta
Deal found 4/2![Delta logo]()
$263
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Sat 4/258:40 am
SFO
- PHL
Nonstop5h 35m
United Airlines
Wed 4/296:21 pm
PHL
- SFO
Nonstop6h 18m
United Airlines
Deal found 4/2![United Airlines logo]()
$349
This CheapOair deal was found by Cheapflights users on 4/3. 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 6/2412:59 am
LAS
- PHL
1 stop7h 48m
Multiple Airlines
Mon 6/298:28 am
PHL
- LAS
2 stops19h 32m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:28 am
SAN
- PHL
1 stop17h 12m
Alaska Airlines
Thu 10/17:00 am
PHL
- SAN
1 stop10h 44m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$495
This Southwest deal was found by Cheapflights users on 4/3. 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 5/112:45 pm
SJC
- PHL
1 stop6h 50m
Southwest
Thu 5/145:40 am
PHL
- SJC
1 stop7h 20m
Southwest
Deal found 4/3![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 4/1. 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.
Mon 6/110:00 pm
ONT
- PHL
1 stop8h 27m
Delta
Thu 6/46:45 pm
PHL
- ONT
1 stop7h 49m
Delta
Deal found 4/1![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 4/3. 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.
Thu 6/115:59 pm
ONT
- PHL
1 stop8h 46m
Delta
Tue 6/165:16 am
PHL
- ONT
1 stop8h 24m
Delta
Deal found 4/3![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 4/1. 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 4/287:50 am
BUR
- PHL
1 stop7h 15m
Southwest
Mon 5/42:15 pm
PHL
- BUR
2 stops8h 55m
Southwest
Deal found 4/1![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 4/3. 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.
Tue 5/1911:45 am
SMF
- PHL
1 stop8h 22m
Delta
Tue 5/266:12 am
PHL
- SMF
1 stop7h 10m
Delta
Deal found 4/3![Delta logo]()
$293
This United Airlines deal was found by Cheapflights users on 3/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:45 am
SFO
- PHL
1 stop8h 03m
United Airlines
Sat 5/96:06 pm
PHL
- SFO
Nonstop6h 18m
United Airlines
Deal found 3/29![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 4/281:59 pm
BUR
- PHL
1 stop8h 00m
Delta
Mon 5/47:03 am
PHL
- BUR
1 stop9h 01m
Delta
Deal found 4/1![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 4/1. 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 5/55:50 am
OAK
- PHL
1 stop7h 05m
Southwest
Tue 5/125:45 pm
PHL
- OAK
1 stop8h 40m
Southwest
Deal found 4/1![Southwest logo]()
$329
This CheapOair deal was found by Cheapflights users on 4/3. 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 6/2412:59 am
LAS
- PHL
1 stop7h 48m
Multiple Airlines
Tue 6/308:28 am
PHL
- LAS
2 stops38h 08m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Sat 9/57:13 pm
ONT
- PHL
2 stops11h 30m
United Airlines
Sat 9/1211:30 am
PHL
- ONT
2 stops14h 28m
United Airlines
Deal found 4/3![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:10 pm
SNA
- PHL
1 stop7h 48m
Delta
Mon 5/114:06 pm
PHL
- SNA
1 stop9h 23m
Delta
Deal found 3/31![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 4/2. 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 4/151:35 pm
SJC
- PHL
1 stop7h 20m
Southwest
Sat 4/185:35 am
PHL
- SJC
1 stop7h 45m
Southwest
Deal found 4/2![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 4/2. 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 4/1911:45 am
SJC
- PHL
2 stops10h 30m
Southwest
Tue 4/215:50 am
PHL
- SJC
1 stop7h 45m
Southwest
Deal found 4/2![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 4/1. 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.
Sat 5/305:45 pm
ONT
- PHL
1 stop8h 52m
Delta
Fri 6/56:45 pm
PHL
- ONT
1 stop7h 49m
Delta
Deal found 4/1![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 5/56:36 pm
SMF
- PHL
2 stops12h 18m
United Airlines
Wed 5/66:06 pm
PHL
- SMF
1 stop8h 41m
United Airlines
Deal found 4/2![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 4/1. 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 6/35:50 pm
ONT
- PHL
1 stop8h 45m
Delta
Fri 6/56:45 pm
PHL
- ONT
1 stop7h 49m
Delta
Deal found 4/1![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:43 pm
BUR
- PHL
2 stops13h 37m
United Airlines
Sat 5/910:00 am
PHL
- BUR
2 stops14h 02m
United Airlines
Deal found 3/31![United Airlines logo]()
$413
This Southwest deal was found by Cheapflights users on 4/2. 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 5/312:55 pm
BUR
- PHL
1 stop7h 20m
Southwest
Fri 6/54:45 pm
PHL
- BUR
1 stop8h 05m
Southwest
Deal found 4/2![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 4/1. 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.
Mon 6/15:50 pm
ONT
- PHL
1 stop8h 45m
Delta
Fri 6/56:45 pm
PHL
- ONT
1 stop7h 49m
Delta
Deal found 4/1![Delta logo]()
$306
This Southwest deal was found by Cheapflights users on 3/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:45 pm
SJC
- PHL
2 stops17h 05m
Southwest
Mon 4/202:15 pm
PHL
- SJC
1 stop11h 45m
Southwest
Deal found 3/30![Southwest logo]()
$360
This United Airlines deal was found by Cheapflights users on 4/2. 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 4/1512:45 am
SFO
- PHL
1 stop7h 58m
United Airlines
Sun 4/196:12 am
PHL
- SFO
Nonstop6h 18m
United Airlines
Deal found 4/2![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 4/2811:35 am
SJC
- PHL
2 stops15h 24m
Delta
Fri 5/16:54 pm
PHL
- SJC
1 stop7h 48m
Delta
Deal found 4/1![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 4/1. 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 5/2011:25 am
SJC
- PHL
2 stops9h 30m
Southwest
Wed 5/272:00 pm
PHL
- SJC
2 stops10h 20m
Southwest
Deal found 4/1![Southwest logo]()
$363
This United Airlines deal was found by Cheapflights users on 4/3. 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 7/222:24 pm
SMF
- PHL
1 stop7h 33m
United Airlines
Wed 7/294:14 pm
PHL
- SMF
1 stop7h 58m
United Airlines
Deal found 4/3![United Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 4/1. 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 5/137:41 pm
SMF
- PHL
2 stops10h 14m
Delta
Tue 5/196:12 am
PHL
- SMF
1 stop7h 10m
Delta
Deal found 4/1![Delta logo]()
$339
Last-minute flights from California to DelawareDiscover last-minute flight deals from California to Delaware. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from California to Delaware. Data last updated April 3, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 4/1. 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 4/2112:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Mon 5/48:41 pm
PHL
- ONT
1 stop16h 24m
Frontier
Deal found 4/1![Frontier logo]()
$149
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:44 pm
ONT
- PHL
1 stop8h 06m
Frontier
Wed 4/298:31 pm
PHL
- ONT
1 stop14h 00m
Frontier
Deal found 3/31![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 3/30. 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.
Tue 4/2112:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Fri 4/248:41 pm
PHL
- ONT
1 stop30h 14m
Frontier
Deal found 3/30![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 4/2. 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.
Thu 4/232:32 pm
BUR
- PHL
1 stop11h 41m
Frontier
Thu 4/306:43 am
PHL
- BUR
1 stop10h 04m
Frontier
Deal found 4/2![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 4/2. 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.
Fri 4/2411:29 am
SNA
- PHL
1 stop15h 05m
Frontier
Thu 4/306:43 am
PHL
- SNA
1 stop14h 23m
Frontier
Deal found 4/2![Frontier logo]()
$162
This Trip.com deal was found by Cheapflights users on 4/3. 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.
Mon 4/2712:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Tue 5/58:35 pm
PHL
- ONT
1 stop16h 30m
Frontier
Deal found 4/3![Frontier logo]()
$148
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Mon 4/275:33 pm
ONT
- PHL
1 stop9h 01m
Frontier
Fri 5/18:41 pm
PHL
- ONT
1 stop30h 14m
Frontier
Deal found 4/1![Frontier logo]()
$166
This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:33 pm
ONT
- PHL
1 stop9h 01m
Frontier
Thu 4/306:43 am
PHL
- ONT
1 stop28h 21m
Frontier
Deal found 3/31![Frontier logo]()
$167
This Trip.com deal was found by Cheapflights users on 4/1. 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 4/2812:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Wed 5/612:17 pm
PHL
- ONT
1 stop9h 54m
Frontier
Deal found 4/1![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/2812:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Mon 5/48:41 pm
PHL
- ONT
1 stop16h 24m
Frontier
Deal found 4/1![Frontier logo]()
$153
This Frontier deal was found by Cheapflights users on 4/1. 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.
Sat 5/27:44 pm
ONT
- PHL
1 stop6h 41m
Frontier
Sat 5/98:35 pm
PHL
- ONT
1 stop16h 30m
Frontier
Deal found 4/1![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/510:50 am
ONT
- PHL
1 stop15h 47m
Frontier
Tue 5/128:35 pm
PHL
- ONT
1 stop16h 30m
Frontier
Deal found 4/3![Frontier logo]()
$124
One-way flights from California to DelawareSearch for one-way flight options from California to Delaware. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
Search for one-way flight options from California to Delaware. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This Trip.com deal was found by Cheapflights users on 4/1. 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.
Mon 4/2012:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Deal found 4/1![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/228:00 am
SAN
- PHL
1 stop18h 34m
Frontier
Deal found 4/2![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/2112:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Deal found 4/1![Frontier logo]()
$65
This Trip.com deal was found by Cheapflights users on 4/1. 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 4/2812:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Deal found 4/1![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/298:00 am
SAN
- PHL
1 stop18h 34m
Frontier
Deal found 4/1![Frontier logo]()
$71
This Trip.com deal was found by Cheapflights users on 4/3. 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.
Sun 5/312:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Deal found 4/3![Frontier logo]()
$76
This Super.com deal was found by Cheapflights users on 4/1. 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 4/275:33 pm
ONT
- PHL
1 stop9h 01m
Frontier
Deal found 4/1![Frontier logo]()
$79
This Booking.com deal was found by Cheapflights users on 4/1. 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 4/245:33 pm
ONT
- PHL
1 stop9h 01m
Frontier
Deal found 4/1![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:15 am
SAN
- PHL
1 stop19h 19m
Frontier
Deal found 3/31![Frontier logo]()
$84
This Super.com deal was found by Cheapflights users on 3/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:06 pm
ONT
- PHL
1 stop16h 10m
Frontier
Deal found 3/31![Frontier logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 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 3/31![Frontier logo]()
$86
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:59 am
ONT
- PHL
1 stop25h 35m
Frontier
Deal found 3/30![Frontier logo]()
$86
Find flight deals from California to Delaware
Keep the following information in mind while searching for California to Delaware flight deals. Data was last updated April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $124 (Kiwi.com) |
One-way from | $62 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $451 |
Cheapflights Fare Finder
Customize your flight search to find flights from California 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 April 3, 2026.
Use the filters below to find and compare flights from California to Delaware that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JosePhiladelphia
SJC - PHL
SJCPHL
San Jose
Wed 4/15
1:35 pm-11:55 pm
1 stop7h 20m
Philadelphia
Fri 4/17
5:40 am-10:00 am
1 stop7h 20m
$257
San JosePhiladelphia
SJC - PHL
SJCPHL
San Jose
Mon 5/11
2:45 pm-12:35 am
1 stop6h 50m
Philadelphia
Thu 5/14
5:40 am-10:00 am
1 stop7h 20m
$257
OntarioPhiladelphia
ONT - PHL
ONTPHL
Ontario
Wed 4/29
10:15 pm-9:25 am
1 stop8h 10m
Philadelphia
Thu 5/7
5:17 pm-9:48 pm
1 stop7h 31m
$263
OntarioPhiladelphia
ONT - PHL
ONTPHL
Ontario
Mon 6/1
10:00 pm-9:27 am
1 stop8h 27m
Philadelphia
Thu 6/4
6:45 pm-11:34 pm
1 stop7h 49m
$263
OntarioPhiladelphia
ONT - PHL
ONTPHL
Ontario
Thu 6/11
5:59 pm-5:45 am
1 stop8h 46m
Philadelphia
Tue 6/16
5:16 am-10:40 am
1 stop8h 24m
$263
SacramentoPhiladelphia
SMF - PHL
SMFPHL
Sacramento Intl
Tue 5/19
11:45 am-11:07 pm
1 stop8h 22m
Philadelphia
Tue 5/26
6:12 am-10:22 am
1 stop7h 10m
$293
BurbankPhiladelphia
BUR - PHL
BURPHL
Burbank Bob Hope
Tue 4/28
1:59 pm-12:59 am
1 stop8h 00m
Philadelphia
Mon 5/4
7:03 am-1:04 pm
1 stop9h 01m
$293
Santa AnaPhiladelphia
SNA - PHL
SNAPHL
Santa Ana J. Wayne/Orange Cnty
Mon 5/4
1:10 pm-11:58 pm
1 stop7h 48m
Philadelphia
Mon 5/11
4:06 pm-10:29 pm
1 stop9h 23m
$293
BurbankPhiladelphia
BUR - PHL
BURPHL
Burbank Bob Hope
Tue 4/28
7:50 am-6:05 pm
1 stop7h 15m
Philadelphia
Mon 5/4
2:15 pm-8:10 pm
2 stops8h 55m
$298
OntarioPhiladelphia
ONT - PHL
ONTPHL
Ontario
Sat 5/30
5:45 pm-5:37 am
1 stop8h 52m
Philadelphia
Fri 6/5
6:45 pm-11:34 pm
1 stop7h 49m
$306
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from California to Delaware
Have a flexible travel schedule? Discover the best time to fly to Delaware from California with our price prediction graph.
ONT-PHL
BUR-PHL
SNA-PHL
SJC-PHL
LAS-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 California to Delaware
USCA-USDE
ONT-PHL
BUR-PHL
SNA-PHL
SJC-PHL
No data available for this route at this time. Please check back soon.
Related info for your journey
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