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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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — SAN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 62 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 July 3, 2025.

Round-trip from

$273
(JetBlue)

One-way from

$126
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$389
From Wilmington New Hanover County to San Diego
Search Deals
One-way flight from Wilmington New Hanover County to San Diego
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Highest demand for flights based on searches. 13% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This JetBlue deal was found by Cheapflights users on 7/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/811:30 amILM - SAN
1 stop10h 27mJetBlue
Sun 9/148:15 pmSAN - ILM
1 stop11h 30mJetBlue
Deal found 7/1$273
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/12:58 pmILM - SAN
1 stop8h 22mAmerican Airlines
Sat 8/91:00 pmSAN - ILM
1 stop7h 59mAmerican Airlines
Deal found 7/3$274
This Delta deal was found by Cheapflights users on 7/1. 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 8/65:51 pmILM - SAN
1 stop6h 44mDelta
Tue 8/126:25 amSAN - ILM
1 stop7h 24mDelta
Deal found 7/1$328
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 7/184:59 pmILM - SAN
1 stop8h 45mUnited Airlines
Tue 7/229:50 pmSAN - ILM
2 stops12h 58mUnited Airlines
Deal found 7/3$458
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/41:29 pmILM - SAN
2 stops23h 03mAlaska Airlines
Thu 10/96:15 amSAN - ILM
2 stops24h 31mAlaska Airlines
Deal found 7/1$496
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Sun 7/2712:30 pmILM - SAN
2 stops24h 25mMultiple Airlines
Wed 7/307:00 pmSAN - ILM
3 stops16h 38mMultiple Airlines
Deal found 7/1$542

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 July 3, 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

Mon 9/8

11:30 am-6:57 pm

1 stop10h 27m

San Diego

Mon 9/15

8:15 pm-10:45 am

1 stop11h 30m

$273

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Fri 8/1

2:58 pm-8:20 pm

1 stop8h 22m

San Diego

Sat 8/9

1:00 pm-11:59 pm

1 stop7h 59m

$274

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Wed 8/6

5:51 pm-9:35 pm

1 stop6h 44m

San Diego

Tue 8/12

6:25 am-4:49 pm

1 stop7h 24m

$328

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Fri 7/18

4:59 pm-10:44 pm

1 stop8h 45m

San Diego

Tue 7/22

9:50 pm-1:48 pm

2 stops12h 58m

$458

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Sat 10/4

1:29 pm-8:29 am

2 stops22h 00m

San Diego

Thu 10/9

1:51 pm-9:46 am

2 stops16h 55m

$496

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Sun 7/27

12:30 pm-9:55 am

2 stops24h 25m

San Diego

Wed 7/30

3:57 pm-2:38 pm

2 stops19h 41m

$500

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Sat 8/9

5:00 am-9:14 am

1 stop7h 14m

$126

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Sat 11/8

1:27 pm-10:10 am

2 stops23h 43m

$240

WilmingtonSan Diego

ILM - SAN

ILMSAN

Wilmington New Hanover County

Wed 12/17

3:40 pm-5:10 pm

2 stops28h 30m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 June 27, 2025.

Booking 62 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 July 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
2,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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 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.

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

    According to our current data, JetBlue ($273), American Airlines ($274), and Delta ($328) offers the cheapest pricing from Wilmington to San Diego. JetBlue is currently priced 36% 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. Alaska Airlines flights start at $240 while deals on United Airlines start at $393 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 Wilmington?

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

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$264Average$408FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$475FlexibilityNo cancel feeOn-timeN/A

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