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$126+ Cheap flights from Wilmington to San Diego (ILM - SAN)

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — SAN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Wilmington New Hanover County to San Diego are usually found in August or May, booked 10 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from Wilmington to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Wilmington (ILM) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$305
(American Airlines)

One-way from

$126
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$398
From Wilmington New Hanover County to San Diego
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One-way flight from Wilmington New Hanover County to San Diego
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Wilmington to San Diego

Cheapest flights from Wilmington to San Diego
Explore the most affordable flight options available from Wilmington to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:10 pmILM - SAN
1 stop7h 02mAmerican Airlines
Mon 10/2010:31 pmSAN - ILM
1 stop8h 02mAmerican Airlines
Deal found 9/14$305
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:43 amILM - SAN
1 stop8h 20mAmerican Airlines
Tue 10/711:35 amSAN - ILM
1 stop7h 42mAmerican Airlines
Deal found 9/15$310
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:05 amILM - SAN
2 stops11h 45mUnited Airlines
Tue 10/78:00 amSAN - ILM
2 stops12h 24mUnited Airlines
Deal found 9/15$320
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:22 pmILM - SAN
1 stop8h 42mAmerican Airlines
Fri 11/2812:27 pmSAN - ILM
1 stop8h 32mAmerican Airlines
Deal found 9/14$359
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:25 amILM - SAN
1 stop6h 55mAmerican Airlines
Thu 10/99:27 pmSAN - ILM
1 stop7h 44mAmerican Airlines
Deal found 9/15$364
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:27 amILM - SAN
1 stop6h 44mAmerican Airlines
Sun 10/59:19 pmSAN - ILM
1 stop7h 52mAmerican Airlines
Deal found 9/15$369
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 12/56:01 pmILM - SAN
1 stop8h 45mDelta
Sun 12/710:30 pmSAN - ILM
1 stop8h 05mDelta
Deal found 9/14$384
This Delta deal was found by Cheapflights users on 9/14. 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.
Thu 9/255:36 pmILM - SAN
1 stop8h 48mDelta
Sun 9/289:50 pmSAN - ILM
1 stop8h 37mDelta
Deal found 9/14$414
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:07 pmILM - SAN
1 stop8h 36mAmerican Airlines
Sun 1/412:56 pmSAN - ILM
1 stop8h 51mAmerican Airlines
Deal found 9/14$458

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wilmington to San Diego 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 September 16, 2025.
Use the filters below to find and compare flights from Wilmington to San Diego that are best for you.

Fly from

Wilmington

Fly to

San Diego

Route

Depart

Return

Price

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Tue 9/30

10:27 am-4:20 pm

2 stops8h 53m

San Diego

Tue 10/7

1:16 pm-11:11 pm

1 stop6h 55m

$315

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Fri 12/5

6:01 pm-11:46 pm

1 stop8h 45m

San Diego

Sun 12/7

10:30 pm-9:35 am

1 stop8h 05m

$384

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Thu 9/25

5:36 pm-11:24 pm

1 stop8h 48m

San Diego

Sun 9/28

9:50 pm-9:27 am

1 stop8h 37m

$414

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Mon 9/29

1:29 pm-7:41 am

2 stops21h 12m

San Diego

Fri 10/3

3:45 pm-1:04 pm

2 stops18h 19m

$479

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Tue 9/30

1:29 pm-7:41 am

2 stops21h 12m

San Diego

Tue 10/7

2:11 pm-9:46 am

3 stops16h 35m

$484

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Wed 10/1

7:05 am-3:01 pm

2 stops10h 56m

San Diego

Sun 10/5

6:15 am-11:24 pm

2 stops14h 09m

$488

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Wed 11/26

6:00 am-11:27 am

1 stop8h 27m

San Diego

Mon 12/1

12:27 pm-12:10 am

1 stop8h 43m

$489

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Wed 10/1

10:27 am-3:53 pm

2 stops8h 26m

San Diego

Sun 10/5

10:17 am-10:44 pm

1 stop9h 27m

$490

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Mon 11/24

2:07 pm-7:43 pm

1 stop8h 36m

San Diego

Sat 11/29

9:54 pm-8:17 am

1 stop7h 23m

$549

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Sat 10/11

6:25 am-10:56 am

1 stop7h 31m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 12 results
1
2

Best time to book a flight from Wilmington to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Wilmington 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 Wilmington to San Diego

How far ahead should I book a flight from Wilmington to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Wilmington to San Diego. Price data was last updated on September 12, 2025.

Booking 10 days in advance of your planned departure date is, on average, the best time to get cheap flights from Wilmington to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Wilmington to San Diego?

Currently, August is the cheapest month in which you can book a flight from Wilmington to San Diego (average of $286). Flying from Wilmington to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated September 16, 2025.
Peruse reviews from past customers who have flown with Delta and American Airlines from Wilmington to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Wilmington to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Wilmington to San Diego?

    Airlines like American Airlines and Delta fly from Wilmington to San Diego in about 8h 45m. The time it takes to get you to your destination can typically vary by up to 08m. There are 2251 mi between Wilmington and San Diego. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Wilmington to San Diego round-trip?

    According to our current data, American Airlines ($250), and Delta ($296) offers the cheapest pricing from Wilmington to San Diego. American Airlines is currently priced 40% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $126. United Airlines flights start at $381 while deals on Alaska Airlines start at $409 one-way.

  • Can I find deals for flights from Wilmington to San Diego that include hotel bookings?

    Yes. In addition to deals on Wilmington to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Wilmington to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wilmington to San Diego.

  • Can I find deals for business class flights from Wilmington to San Diego?

    Yes. Cheapflights offers flight deals from Wilmington to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Wilmington to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Wilmington to San Diego (average of $286). Flying from Wilmington to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City

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Top 2 airlines flying from Wilmington to San Diego

Discover the top 2 airlines that operate flights from Wilmington to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$250Average$394FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$482FlexibilityNo cancel feeOn-timeN/A

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