Cheap Flights from Wilmington (ILM) to San Diego (SANA)

Compare Wilmington to San Diego flight deals

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Flight deals from Wilmington to San Diego

Looking for a cheap last-minute deal or the best return flight from Wilmington Airport to San Diego? If you want to travel next month, return fares start from $483. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Wilmington to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Wilmington to San Diego flights are currently cheapest in September.

Alternative Wilmington to San Diego routes

Looking for the cheapest, fastest or easiest route from Wilmington to San Diego? You could fly into the following airports instead.

Wilmington to San Diego: Flight information

The things to know before you go.
Cheapest flight found$483
Cheapest month to flySeptember

Finding cheap flights from Wilmington to San Diego: Frequently asked questions

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Wilmington to San Diego is $483. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Wilmington to San Diego. But we found flights with one or more stops from $483.
As of August 2026, there are no flights flying from Wilmington to San Diego.
The cheapest month to fly from Wilmington to San Diego is usually September.
If you're flying from Wilmington Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from $483.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Wilmington Airport to San Diego on Tuesday, 15 September 2026.
No airlines currently offer direct flights between Wilmington Airport and San Diego. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.

In August, the average temperature is usually around 23°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Delta offers the cheapest flight tickets to San Diego.

Flying from Wilmington International Airport (ILM) to San Diego: what you need to know

  • San Diego is three hours behind Wilmington, where Wilmington International Airport is located. San Diego observes the UTC-8 timezone.

  • For a relaxed start to your ILM to San Diego flight, allow plenty of time to check in and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general rule.

  • During popular months such as July, you'll want to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during a peak period in general.

  • ILM is about 6 kilometres from central Wilmington. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 20 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the travel time to be around 40 minutes.

  • Searching for a hotel close to ILM? If you're boarding an early flight from Wilmington International Airport to San Diego, these accommodation options set you up for a seamless send-off:

  • Wilmington International Airport scores high marks for on-time performance. 80% of flights that depart ILM reach their destination without delay.

  • You'll find ILM at 1740 Airport Boulevard.

How to find the cheapest flights from Wilmington International Airport (ILM) to San Diego

  • The best price we've seen for a one-way Wilmington International Airport to San Diego flight is $309. The cheapest price for a return flight is $483. Bear in mind fares may change due to demand at the time of booking.

  • To find cheap flights from ILM to San Diego, book as early as possible. Airlines usually offer the most competitive fares when flights first go on sale.

  • The 'Whole month' search tool will show you the cheapest tickets from Wilmington International Airport to San Diego across the entire month. It's a great way to find a bargain if your dates aren't set in stone.

  • Save time searching for cheap flights from ILM to San Diego by creating a Price Alert. You'll get an email or notification through the app when a special offer becomes available.

  • Pick your preferred departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Wilmington International Airport to San Diego by 'Fastest,' 'Cheapest' or 'Best.'

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to central San Diego takes about 15 minutes by car. The centre is roughly 5 kilometres away.

  • Travelling to the centre on public transport will take you around 25 minutes.

  • Look into staying at a hotel near SAN if you have a late flight from Wilmington International Airport to San Diego. Select one of these accommodation options and make your first night all about rest:

  • Booking your vehicle from San Diego International Airport about two weeks before your flight from ILM to San Diego can help you get the best possible rate.

  • SAN is located at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is around 48 kilometres from the centre of San Diego. Explore your options for heading into town after your flight from Wilmington International Airport to San Diego has landed.

  • Hang the 'Do not disturb' sign on your door and unwind at a hotel close to CLD. Here are a few options where you can put your feet up after your ILM to San Diego flight:

  • Avoid the slow-moving lines and paperwork at the rental desk by completing your booking beforehand. Secure your ride from CLD in advance so you can simply grab the keys and go.

Best time to go to San Diego

  • It's time to work out your dates for your flight from Wilmington International Airport to San Diego. July is the most popular month for a trip to San Diego. If you like a more relaxed vibe, go in December.

  • The warmest month in San Diego is August, with temperatures ranging between 16ºC (61ºF) and 27ºC (81ºF). Lock in your Wilmington International Airport to San Diego plane ticket then if that's the weather you find most pleasant.

  • For cooler conditions, look for a cheap ticket from ILM to San Diego in February when temperatures average between 8ºC (46ºF) and 22ºC (72ºF).

More about San Diego

Explore more of the United States

  • Los Angeles is just one of the many places in the United States waiting to be explored after you've experienced San Diego. Around 177 kilometres away to the northwest, its best attractions include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • If you're interested in discovering another major destination in the United States, consider Phoenix, roughly 483 kilometres east of San Diego. Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.