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Delaware

$132+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ILG
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$224
(CheapOair)

One-way from

$132
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$425
Provider with most accurate pricing for San Diego-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for San Diego-Philadelphia flights.
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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. 3% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This CheapOair deal was found by Cheapflights users on 4/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:54 pmSAN - PHL
1 stop17h 43mMultiple Airlines
Sat 5/310:08 pmPHL - SAN
1 stop12h 26mMultiple Airlines
Deal found 4/22$224
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/256:25 amSAN - PHL
1 stop21h 22mFrontier
Mon 4/2812:40 pmPHL - SAN
1 stop10h 10mFrontier
Deal found 4/23$227
This Booking.com deal was found by Cheapflights users on 4/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/128:08 amSAN - PHL
2 stops18h 53mSpirit Airlines
Tue 5/206:00 pmPHL - SAN
1 stop16h 13mSpirit Airlines
Deal found 4/22$235
This JetBlue deal was found by Cheapflights users on 4/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/249:35 pmSAN - PHL
1 stop9h 03mJetBlue
Wed 7/210:15 amPHL - SAN
1 stop12h 38mJetBlue
Deal found 4/23$305
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2510:15 pmSAN - PHL
1 stop7h 36mDelta
Tue 7/16:00 amPHL - SAN
1 stop8h 07mDelta
Deal found 4/23$310
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:52 pmSAN - PHL
1 stop7h 38mUnited Airlines
Sun 8/316:30 amPHL - SAN
2 stops9h 27mUnited Airlines
Deal found 4/23$311
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/3110:45 pmSAN - PHL
Nonstop5h 12mAmerican Airlines
Wed 8/208:20 amPHL - SAN
Nonstop5h 32mAmerican Airlines
Deal found 4/23$323
This Southwest deal was found by Cheapflights users on 4/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:55 pmSAN - PHL
1 stop11h 50mSouthwest
Tue 4/295:25 amPHL - SAN
1 stop9h 30mSouthwest
Deal found 4/23$354
This Hawaiian Airlines deal was found by Cheapflights users on 4/23. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:25 pmSAN - PHL
1 stop9h 36mHawaiian Airlines
Mon 11/37:25 amPHL - SAN
1 stop12h 12mHawaiian Airlines
Deal found 4/23$379
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 7/269:20 amSAN - SBY
1 stop9h 47mAmerican Airlines
Wed 7/306:33 amSBY - SAN
1 stop7h 32mAmerican Airlines
Deal found 4/23$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 April 24, 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

Thu 5/1

8:54 pm-5:37 pm

1 stop17h 43m

Philadelphia

Sat 5/3

10:08 pm-7:34 am

1 stop12h 26m

$224

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Thu 5/1

6:15 am-4:22 pm

1 stop7h 07m

Philadelphia

Tue 5/6

10:08 pm-7:13 am

1 stop12h 05m

$228

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Mon 4/28

6:25 am-9:30 pm

1 stop12h 05m

Philadelphia

Sun 5/4

6:54 pm-11:58 pm

1 stop8h 04m

$238

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 6/24

9:35 pm-9:38 am

1 stop9h 03m

Philadelphia

Wed 7/2

10:15 am-7:53 pm

1 stop12h 38m

$305

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Wed 6/25

10:15 pm-8:51 am

1 stop7h 36m

Philadelphia

Tue 7/1

6:00 am-11:07 am

1 stop8h 07m

$310

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 5/31

10:45 pm-6:57 am

Nonstop5h 12m

Philadelphia

Wed 8/20

8:20 am-10:52 am

Nonstop5h 32m

$323

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Tue 6/10

11:35 am-12:05 am

2 stops9h 30m

Philadelphia

Fri 6/13

4:20 pm-10:30 pm

2 stops9h 10m

$375

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 6/21

5:50 pm-7:23 am

1 stop10h 33m

Philadelphia

Tue 7/1

10:40 am-6:35 pm

2 stops10h 55m

$410

San DiegoSalisbury

SAN - SBY

SANSBY

San Diego

Sat 7/26

9:20 am-10:07 pm

1 stop9h 47m

Salisbury-Ocean City

Wed 7/30

6:33 am-11:05 am

1 stop7h 32m

$610

San DiegoPhiladelphia

SAN - PHL

SANPHL

San Diego

Sat 5/24

6:15 am-8:25 pm

2 stops11h 10m

$132

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 17 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 April 24, 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
9,918 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $132. However, be on the lookout for offers from Delta and JetBlue, 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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Alternative routes for San Diego to Delaware

See prices for flight routes from nearby airports that may be better suited for you.
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