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Delaware

$133+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ILG
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$252
(FlightHub)

One-way from

$133
(FlightHub)

Popular in

December

Cheapest in

April

Average price

$453
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. 5% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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.
jue. 8/79:40 pmSAN - PHL
1 stop16h 47mSpirit Airlines
lun. 8/116:22 pmPHL - SAN
1 stop18h 33mSpirit Airlines
Deal found 6/10$252
This Frontier deal was found by Cheapflights users on 6/9. 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.
mié. 7/307:04 pmSAN - PHL
1 stop7h 45mFrontier
jue. 8/77:19 amPHL - SAN
1 stop14h 00mFrontier
Deal found 6/9$254
This CheapOair deal was found by Cheapflights users on 6/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/166:25 amSAN - PHL
1 stop19h 45mMultiple Airlines
mié. 6/256:20 pmPHL - SAN
1 stop8h 09mMultiple Airlines
Deal found 6/11$294
This JetBlue deal was found by Cheapflights users on 6/10. 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.
mar. 8/59:00 pmSAN - PHL
1 stop9h 48mJetBlue
mié. 8/1310:25 amPHL - SAN
1 stop11h 53mJetBlue
Deal found 6/10$305
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/306:25 amSAN - PHL
Nonstop5h 28mAmerican Airlines
mar. 9/26:39 pmPHL - SAN
Nonstop5h 37mAmerican Airlines
Deal found 6/11$323
This Delta deal was found by Cheapflights users on 6/9. 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.
mar. 7/2910:15 pmSAN - PHL
1 stop7h 30mDelta
mar. 8/54:05 pmPHL - SAN
1 stop8h 30mDelta
Deal found 6/9$343
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 6/118:15 amSAN - PHL
1 stop18h 25mAlaska Airlines
mar. 7/156:52 pmPHL - SAN
1 stop17h 01mAlaska Airlines
Deal found 6/10$408
This American Airlines deal was found by Cheapflights users on 6/12. 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.
sáb. 7/267:15 amSAN - SBY
1 stop10h 15mAmerican Airlines
mié. 7/306:41 amSBY - SAN
1 stop7h 24mAmerican Airlines
Deal found 6/12$610

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 junio 12, 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

jue. 8/7

9:40 pm-5:27 pm

1 stop16h 47m

Philadelphia

lun. 8/11

6:22 pm-9:55 am

1 stop18h 33m

$252

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

mié. 7/30

7:04 pm-5:49 am

1 stop7h 45m

Philadelphia

jue. 8/7

7:19 am-6:19 pm

1 stop14h 00m

$254

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

lun. 8/4

12:30 pm-10:26 pm

1 stop6h 56m

Philadelphia

sáb. 8/9

7:19 am-6:19 pm

1 stop14h 00m

$298

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

mar. 8/5

9:00 pm-9:48 am

1 stop9h 48m

Philadelphia

mié. 8/13

10:25 am-7:18 pm

1 stop11h 53m

$305

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

lun. 6/30

6:25 am-2:53 pm

Nonstop5h 28m

Philadelphia

mar. 9/2

6:39 pm-9:16 pm

Nonstop5h 37m

$323

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

mar. 7/29

10:15 pm-8:45 am

1 stop7h 30m

Philadelphia

mié. 8/6

10:38 am-6:00 pm

1 stop10h 22m

$343

San DiegoSalisbury

SAN - SBY

SANSBY

San Diego

sáb. 7/26

7:15 am-8:30 pm

1 stop10h 15m

Salisbury-Ocean City

mié. 7/30

6:41 am-11:05 am

1 stop7h 24m

$610

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

vie. 7/11

5:13 pm-1:05 pm

2 stops16h 52m

$133

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

mié. 7/16

9:00 pm-9:38 am

1 stop9h 38m

$147

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

jue. 6/19

6:51 pm-5:49 am

1 stop7h 58m

$173

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 16 results
1
2

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

Rainfall in Delaware by month

Plan your trip to Delaware by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Delaware ranges from 2.9 - 4.3 inches per month. July is typically the wettest month, when rainfall can reach 4.3 in. February is typically the driest time to visit Delaware when rainfall is around 2.9 in.

Temperature in Delaware by month

Plan your trip to Delaware by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Delaware, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Delaware

Get insights into the airlines that provide service to Delaware. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Delaware. Reviews last updated junio 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from San Diego to Delaware by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from San Diego to Delaware one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $133. However, be on the lookout for offers from JetBlue and Frontier, as they are both options that can get you from San Diego to Delaware for a low price.

  • 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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