$189 Cheap Flights to San Diego
One-way
Departing from
London
Going to
San Diego, United States
San Diego (SAN)
United States • January, 2026
61% AI deal score
$440 $189
San Diego (SAN)
United States • January, 2026
33% AI deal score
$2,373
Top Cheap Flight Deals to San Diego
Recent round-trip flight deals to San Diego
Sun, Feb 1 - Thu, Feb 5
Cheapest
London (YXU) - San Diego (SAN)
WestJet airlines • 2 stops • Calgary (YYC), Phoenix (PHX)
San Diego (SAN) - London (YXU)
Alaska Airlines, Inc. airlines • 2 stops • Phoenix (PHX), Calgary (YYC)
$440
$401
-$39
9%
Wed, Jan 21 - Wed, Jan 28
London (YXU) - San Diego (SAN)
WestJet airlines • 2 stops • Calgary (YYC), Phoenix (PHX)
San Diego (SAN) - London (YXU)
Hawaiian Airlines airlines • 2 stops • Phoenix (PHX), Calgary (YYC)
$440
$412
-$28
6%
Thu, Mar 5 - Wed, Mar 11
London (YXU) - San Diego (SAN)
United Airlines airlines • 1 stop • Toronto (YYZ)
San Diego (SAN) - London (YXU)
United Airlines airlines • 2 stops • Denver (DEN), Toronto (YYZ)
$595
$505
-$90
15%
Thu, Jan 8 - Wed, Jan 14
London (YXU) - San Diego (SAN)
United Airlines airlines • 1 stop • Toronto (YYZ)
San Diego (SAN) - London (YXU)
United Airlines airlines • 2 stops • Denver (DEN), Toronto (YYZ)
$440
$509
+$69
16%
Thu, Jan 15 - Sun, Jan 18
London (YXU) - San Diego (SAN)
United Airlines airlines • 1 stop • Toronto (YYZ)
San Diego (SAN) - London (YXU)
United Airlines airlines • 2 stops • Washington, D.C. (IAD), Toronto (YYZ)
$440
$533
+$93
21%
Sun, Dec 7 - Sat, Dec 13
London (YXU) - San Diego (SAN)
United Airlines airlines • 1 stop • Toronto (YYZ)
San Diego (SAN) - London (YXU)
United Airlines airlines • 2 stops • Los Angeles (LAX), Toronto (YYZ)
$440
$553
+$113
26%
The cheapest time to fly to San Diego
Ready to jet to San Diego on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Last-Minute Flights to San Diego
Need to get to San Diego ASAP? Even if you're booking a flight on short notice, there are often last-minute deals available:
Next 2 weeks deals
Last Minute Flight Deals
Find last-minute flight deals to San Diego starting from $553, departing over the next two weeks.
⌛ Last-Minute
London - SAN
A great last-minute steal for a cross-country flight.
Found 1 week ago
$553
round-trip
Facts About Flights to San Diego
To help you plan your journey, here are some quick San Diego flight facts and tips.
San Diego city airports
San Diego is served by two main public airports: San Diego International Airport (SAN) and McClellan-Palomar Airport (CLD). San Diego International Airport (SAN), also known as Lindbergh Field, is the busiest single-runway airport in the United States, offering a wide array of domestic and international flights. Its convenient location makes it easily accessible to downtown San Diego and surrounding areas. McClellan-Palomar Airport (CLD), located in Carlsbad, primarily serves the North County region of San Diego. While offering fewer commercial flights compared to SAN, it provides a convenient option for travelers in North County, with connections to several destinations and general aviation services.
San Diego International (SAN)
San Diego, United States
McClellan–Palomar (CLD)
San Diego, United States
Pro tip: search “San Diego (Any)” to see fares to all San Diego airports – sometimes one is cheaper than the others on your dates.
Insights for flights to San Diego
Cheapest airport
Tijuana (TIJ)
While technically across the border, Tijuana International Airport (TIJ) is often the cheapest way to access the San Diego area. It's easily accessible via the Cross Border Xpress (CBX) bridge from San Diego, offering a unique and convenient way to start your San Diego adventure while saving some serious dough! Plus, you can grab some authentic tacos before heading north!
Nonstop vs. 1-stop
50+ cities
Though not a major hub, San Diego International Airport connects you to over 50 cities non-stop; some of the most popular routes include destinations like San Francisco, Seattle, and Chicago.
Number of airlines
10+ airlines
San Diego International Airport is served by over a dozen airlines, from full-service carriers like Delta and United, to low-cost options like Southwest and Spirit, so you've got plenty of choices when planning your next trip!
SAN Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
SAN airport insights
Best days to catch a deal
Mon, Tue
Based on the provided data, Sunday is the best day to find a deal out of San Diego International Airport. Thursday and Wednesday are also good days to check for deals.
Avg. deal survival time
19.7 hours
Deals from San Diego International Airport typically last around 19.7 hours. You'll want to book quickly if you find a deal you like from San Diego!
Rare deal frequency
10 deals
We discovered 10 rare flight deals for San Diego International Airport in the last month by monitoring mistake fares, special promotions, and ultra-discounts. These deals achieved an AI Deal Score of 90+, indicating their exceptional value.
Average price drop
-75%
Based on our historical data, flights from San Diego International Airport typically see an average price decrease of 74.8%. Savvy travelers can potentially save a significant amount by monitoring flight prices for departures from this airport.
Next 4 weeks: deal forecast
San Diego International Airport Next Month Forecast
Based on current trends, flights to San Diego International Airport are expected to remain stable next month. There are no significant price drops or increases anticipated at this time.
Top 5 biggest price drops (last 3 months)
Found on November 10
Liverpool - SAN
$4,700 → $609
87%
Found on November 11
Bellingham - SAN
$615 → $89
86%
Found on November 12
Belfast - SAN
$1,850 → $352
81%
Found on November 12
Grande Prairie - SAN
$760 → $149
80%
Found on November 10
Arusha - SAN
$4,750 → $980
79%
Check these nearby airports too
Looking for more options? These airports near SAN sometimes drop rare deals too:
Los Angeles International (LAX)
~11 rare deals/month
San Diego International (SAN)
~12 rare deals/month
John Wayne (SNA)
~7 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially LAX and SAN for long-haul deal surprises.
When Is the Best Time to Fly to San Diego
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to San Diego:
Cheapest month
September
Cheapest month
If you're looking to snag the best deals, September is your golden ticket to San Diego. The weather is still fantastic, with warm days and pleasant evenings, but the summer crowds have thinned out, leading to lower prices on flights and accommodations. Plus, you can still enjoy all the city's attractions without battling hordes of tourists!
Best day to book
Tuesday
Best day to book
Tuesday is often the unsung hero of flight bookings. Airlines tend to release new deals early in the week, and by Tuesday, you'll often find the most competitive prices as they vie for your attention. Keep an eye out for those mid-week specials and you could save a bundle on your San Diego flight.
Cheapest days to fly
Wednesday
Cheapest days to fly
Flying on a Wednesday can save you some serious cash. Mid-week flights are generally less popular, which means airlines are more likely to offer discounts to fill those seats. Plus, you'll breeze through the airport with shorter security lines and more elbow room on your flight. What's not to love?
Advance booking sweet spot
2 months
Advance booking sweet spot
The sweet spot for booking your San Diego flight is about 2 months in advance. This timeframe typically offers the best balance between price and availability. Booking too early might mean prices are still inflated, while waiting too long could leave you with limited options and higher fares.
San Diego Airports & Ground Transportation
One big question for travelers is which San Diego airport to fly into. Here’s a quick guide to San Diego’s airports and how to get to the city from each:
San Diego International Airport (SAN)
Welcome to San Diego International Airport, your gateway to sunny skies and Pacific breezes! Just a stone's throw from downtown, SAN offers a convenient entry point to San Diego's vibrant city life. Once you hop off your flight, you will be greeted by a plethora of amenities. Grab a bite at local eateries, shop for souvenirs, or simply relax before heading out. Transportation to downtown San Diego is a breeze, with options like ride-sharing services, taxis, and the convenient Metropolitan Transit System (MTS) bus route 992 connecting you directly to the city center. Don't forget to soak in the views as you land – the approach offers stunning glimpses of the San Diego skyline and coastline!
Tip: Arriving or departing? Download the airport app for real-time updates on your flight and gate information!
John Wayne Airport (SNA)
Located in the heart of Orange County, John Wayne Airport, also known as Orange County Airport, offers an alternative for accessing San Diego, although it requires a bit more travel. While not directly in San Diego, SNA provides a convenient option if you're planning to explore both San Diego and the OC. The airport boasts a range of amenities, including dining and shopping options, to keep you entertained while you wait for your flight. To get to San Diego from SNA, you can rent a car and enjoy a scenic drive down the I-5, or hop on a train from the nearby Tustin Metrolink station. Keep an eye out for the occasional celebrity sighting - you never know who might be jetting in or out!
What to Do in San Diego
San Diego isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in San Diego, organized by interest:
Sightseeing & landmarks
San Diego is full of picture-perfect spots! From the historic Balboa Park with its stunning Spanish architecture to the iconic Gaslamp Quarter, you'll be snapping photos all day long. Don't forget the breathtaking views from the Cabrillo National Monument!
Arts & culture
Dive into San Diego's vibrant arts scene by visiting the numerous museums in Balboa Park, catching a show at the Old Globe Theatre, or exploring the colorful murals in Barrio Logan. San Diego's art and culture scene offers something for everyone.
Food & nightlife
Get ready for a culinary adventure in San Diego! From fresh seafood to authentic Mexican cuisine, your taste buds are in for a treat. When the sun goes down, the Gaslamp Quarter comes alive with bars and clubs, ensuring a memorable night out.
Shopping & fashion
Shop 'til you drop in San Diego! Explore the unique boutiques in La Jolla, find designer deals at the Carlsbad Premium Outlets, or browse the trendy shops in the Gaslamp Quarter. San Diego has something for every style and budget.
Nearby getaways
Escape the city for a day trip to the charming town of Julian, known for its apple pies and gold rush history, or head south to Tijuana for a taste of Mexican culture. For a relaxing beach escape, Coronado Island is just a short drive away!
No matter your interest – be it art, food, nightlife, or nature – San Diego has something for everyone. And the best part? Many events and attractions refresh throughout the year, so there’s always something new to experience each visit.
Events in San Diego This Month
san diego youth services’ walk & rally
Help combat youth homelessness by supporting organizations that provide shelter and resources to young people in need. Your participation can make a difference in ensuring every child has a safe place to call home.
sean nicholas savage
Attend a live performance by Sean Nicholas Savage with Andy Boay at the Soda Bar in San Diego on November 6, 2025, at 7:30 PM.
billy king and the bad bad bad
Enjoy a night of live music featuring Billy King and the Bad Bad Bad, Swive, Howlin Moon, and The Colour Monday.
after school art (november) - san diego, ca 2025
Engage children in creative art projects in a relaxed environment. Participants will have fun exploring various artistic techniques under the guidance of volunteers and staff.
San Diego Weather
Weather in San Diego
Fri, Nov 14
70%
21° 17°
70%
Sat, Nov 15
Frequently Asked Questions About Flights to San Diego
Pro Tips for Finding Cheap Flights to San Diego
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on San Diego flights:
Be Flexible with Travel Dates: Being flexible with your travel dates can lead to significant savings. Mid-week flights and traveling during the off-season are often cheaper. Who knows, a Tuesday might just become your new favorite day to fly!
Consider Nearby Airports: Sometimes, flying into or out of a smaller, less popular airport near San Diego can save you money. Don't be afraid to explore options like Tijuana International Airport (TIJ), which is just across the border!
