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$155+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — SAN
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
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Cheap 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 March 20, 2026.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/254:50 pm
ILM
-
SAN
1 stop8h 10m
American Airlines
Sat 5/912:17 pm
SAN
-
ILM
1 stop7h 36m
American Airlines
Deal found 3/17$309
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:25 pm
ILM
-
SAN
1 stop8h 35m
American Airlines
Tue 4/2111:58 am
SAN
-
ILM
1 stop8h 00m
American Airlines
Deal found 3/16$339
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:50 pm
ILM
-
SAN
1 stop10h 06m
American Airlines
Tue 5/1912:53 pm
SAN
-
ILM
1 stop8h 04m
American Airlines
Deal found 3/17$349
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/103:08 pm
ILM
-
SAN
1 stop8h 42m
American Airlines
Tue 4/1412:17 pm
SAN
-
ILM
1 stop7h 36m
American Airlines
Deal found 3/15$369
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:11 am
ILM
-
SAN
1 stop7h 57m
American Airlines
Sun 4/269:45 pm
SAN
-
ILM
1 stop9h 49m
American Airlines
Deal found 3/17$374
This Delta deal was found by Cheapflights users on 3/20. 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 9/32:30 pm
ILM
-
SAN
1 stop8h 28m
Delta
Mon 9/710:40 pm
SAN
-
ILM
1 stop9h 27m
Delta
Deal found 3/20$389
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
ILM
-
SAN
2 stops15h 41m
United Airlines
Sat 5/98:54 am
SAN
-
ILM
2 stops11h 50m
United Airlines
Deal found 3/17$409
This American Airlines deal was found by Cheapflights users on 3/19. 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 6/243:33 pm
ILM
-
SAN
1 stop9h 15m
American Airlines
Wed 7/11:21 pm
SAN
-
ILM
1 stop7h 28m
American Airlines
Deal found 3/19$414
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:27 pm
ILM
-
SAN
1 stop8h 00m
Delta
Sun 5/3110:25 pm
SAN
-
ILM
1 stop8h 15m
Delta
Deal found 3/16$419
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Thu 5/284:05 pm
ILM
-
SAN
1 stop9h 29m
United Airlines
Wed 6/36:35 am
SAN
-
ILM
2 stops14h 09m
United Airlines
Deal found 3/18$424

Find 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 March 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(American Airlines)

One-way from

$155
(Delta)

Popular in

June

Cheapest in

September

Average price

$511
Provider with most accurate pricing for Wilmington New Hanover County-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Wilmington New Hanover County-San Diego flights.
Search Deals
From Wilmington New Hanover County to San Diego
Search Deals
One-way flight from Wilmington New Hanover County to San Diego
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 20, 2026.
Use the filters below to find and compare flights from Wilmington to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Wed 4/15

6:00 am-1:05 pm

1 stop10h 05m

San Diego

Sat 4/18

6:15 am-11:44 pm

2 stops14h 29m

$469

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Tue 4/14

6:00 am-6:05 pm

2 stops15h 05m

San Diego

Sat 4/18

6:15 am-11:44 pm

2 stops14h 29m

$474

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Sat 4/25

6:00 am-1:05 pm

1 stop10h 05m

San Diego

Sat 5/9

6:20 am-11:44 pm

2 stops14h 24m

$598

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Thu 5/14

6:00 am-12:43 pm

1 stop9h 43m

San Diego

Mon 5/18

9:45 pm-3:23 pm

2 stops14h 38m

$602
Quickest round-trip

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Fri 4/10

5:49 pm-11:09 pm

1 stop8h 20m

San Diego

Tue 4/14

6:51 pm-9:34 am

2 stops11h 43m

$647
Cheapest one-way

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Tue 4/14

2:24 pm-8:51 pm

1 stop9h 27m

$155
Quickest one-way

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Tue 4/21

3:27 pm-8:09 pm

1 stop7h 42m

$155

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Mon 4/13

3:50 pm-7:52 pm

3 stops55h 02m

$178

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Fri 5/15

3:39 pm-6:25 pm

2 stops29h 46m

$186

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Tue 4/14

6:00 am-5:16 pm

2 stops14h 16m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from Wilmington to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Wilmington to San Diego in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Wilmington-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Wilmington-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Wilmington-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Wilmington-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Wilmington-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 13, 2026.

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, May is the cheapest month in which you can book a flight from Wilmington to San Diego (average of $223). Flying from Wilmington to San Diego in June is currently the most expensive (average of $308). 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 March 20, 2026.
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
7.9
Good
8,306 reviews

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

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
7.9
Good
8,306 reviews
Delta
7.9
Good
8,306 reviews

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

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
7.1
Good
11,485 reviews
Delta
7.9
Good
8,306 reviews

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

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 United Airlines fly from Wilmington to San Diego in about 15h 51m. The time it takes to get you to your destination can typically vary by up to . There are 2251 mi between Wilmington and San Diego.

  • 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 38% below the average price you’ll pay for this route.

  • 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, May is the cheapest month in which you can book a flight from Wilmington to San Diego (average of $223). Flying from Wilmington to San Diego in June is currently the most expensive (average of $308). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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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 March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$250Average$396FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$333FlexibilityNo cancel feeOn-timeN/A

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