HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$663+ Cheap flights from Lyon (LYS) to San Diego (SAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
LYS — SAN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lyon to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Lyon-Saint Exupéry to San Diego are usually found in November or February, booked 60 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Lyon to San Diego

Cheapest flights from Lyon to San Diego
Explore the most affordable flight options available from Lyon to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/2110:35 amLYS - SAN
2 stops22h 40mUnited Airlines
Thu 1/15:35 pmSAN - LYS
1 stop15h 05mUnited Airlines
Deal found 12/10$1,297
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/212:55 pmLYS - SAN
2 stops18h 20mLufthansa
Thu 1/15:35 pmSAN - LYS
1 stop29h 40mLufthansa
Deal found 12/11$1,441
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:55 amLYS - SAN
1 stop15h 50mLufthansa
Thu 12/1812:42 pmSAN - LYS
2 stops19h 58mLufthansa
Deal found 12/10$1,839
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/117:00 amLYS - SAN
3 stops21h 56mUnited Airlines
Thu 12/1812:42 pmSAN - LYS
2 stops19h 58mUnited Airlines
Deal found 12/10$1,911

Find flight deals from Lyon to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Lyon (LYS) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$663
(British Airways)

Popular in

December

Cheapest in

November

Average price

$1,091
Provider with most accurate pricing for Lyon-Saint Exupéry-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lyon-Saint Exupéry-San Diego flights.
Search Deals
From Lyon-Saint Exupéry to San Diego
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lyon 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 December 12, 2025.
Use the filters below to find and compare flights from Lyon to San Diego that are best for you.

Fly from

Lyon

Fly to

San Diego

Route

Depart

Return

Price

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Thu 3/5

3:05 pm-4:10 pm

1 stop34h 05m

San Diego

Mon 3/9

7:00 pm-3:10 pm

1 stop36h 10m

$663

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Thu 1/15

8:30 pm-4:10 pm

1 stop28h 40m

San Diego

Mon 1/19

6:00 pm-3:10 pm

1 stop36h 10m

$663

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Sat 1/24

10:50 am-9:28 pm

2 stops19h 38m

San Diego

Sat 1/31

10:52 am-12:25 pm

2 stops16h 33m

$664

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Sun 1/25

10:35 am-9:56 pm

2 stops20h 21m

San Diego

Sun 2/15

11:04 am-5:40 pm

2 stops21h 36m

$664

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Sun 1/25

10:35 am-8:49 pm

2 stops19h 14m

San Diego

Sun 2/1

5:35 pm-5:40 pm

1 stop15h 05m

$665

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Thu 3/5

3:05 pm-4:10 pm

1 stop34h 05m

San Diego

Mon 3/9

10:50 am-1:15 pm

2 stops18h 25m

$665

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Sat 2/14

6:20 am-12:29 am

2 stops27h 09m

San Diego

Sat 3/14

10:30 pm-6:00 pm

2 stops35h 30m

$665

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Sat 2/14

9:45 pm-3:47 pm

2 stops27h 02m

San Diego

Sat 3/14

7:00 pm-7:50 pm

1 stop16h 50m

$668

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Sat 1/24

5:10 pm-7:50 pm

2 stops35h 40m

$707

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Sat 1/24

9:45 pm-4:05 pm

1 stop27h 20m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 12 results
1
2

Compare providers for flights from Lyon 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 Lyon to San Diego in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Lyon-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lyon-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lyon-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lyon-San Diego flights, Cheapflights users trust eDreams the most. eDreams 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 Lyon-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 Lyon to San Diego

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

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

Use this chart to determine the optimal time to book a round-trip flight from Lyon to San Diego. Price data was last updated on December 5, 2025.

The best time to book flights from Lyon to San Diego is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Lyon to San Diego (average of $553). Flying from Lyon to San Diego in July is currently the most expensive (average of $873). 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.

Related info for your journey

Find useful and relevant information for your journey from Lyon 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 Lyon to San Diego?

    British Airways and United Airlines can get you from Lyon to San Diego in just under 19h 38m. Your travel time can differ by up to 14h 27m. The distance between Lyon and San Diego is about 5923 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Lyon 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 Lyon to San Diego?

    Currently, February is the cheapest month in which you can book a flight from Lyon to San Diego (average of $553). Flying from Lyon to San Diego in July is currently the most expensive (average of $873). 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
Coronado
La Mesa
Poway
Lemon Grove
Julian
National City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Lyon to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Lyon to Los Angeles flights
Lyon to San Francisco flights
Lyon to Las Vegas flights
Lyon to Oakland flights
Clermont-Ferrand to San Francisco flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.