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$584+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
LYS — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Lyon-Saint Exupéry to San Diego are usually found in June 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

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 June 12, 2025.

Round-trip from

$584
(American Airlines)

Popular in

August

Cheapest in

June

Average price

$675
From Lyon-Saint Exupéry to San Diego
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:00 pmLYS - SAN
1 stop35h 05mAmerican Airlines
Fri 12/511:00 pmSAN - LYS
2 stops35h 50mAmerican Airlines
Deal found 6/10$584
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:50 amLYS - SAN
2 stops21h 45mAir Canada
Fri 9/124:55 pmSAN - LYS
2 stops32h 40mAir Canada
Deal found 6/11$609
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/46:50 amLYS - SAN
2 stops21h 45mUnited Airlines
Fri 9/124:11 pmSAN - LYS
3 stops33h 24mUnited Airlines
Deal found 6/10$610
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:35 amLYS - SAN
2 stops21h 04mBritish Airways
Sat 1/35:02 pmSAN - LYS
2 stops17h 48mBritish Airways
Deal found 6/11$621
This Flightnetwork deal was found by Cheapflights users on 6/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:55 amLYS - SAN
1 stop15h 50mLufthansa
Fri 12/55:35 pmSAN - LYS
1 stop15h 10mLufthansa
Deal found 6/10$625
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2212:25 pmLYS - SAN
2 stops19h 58mIberia
Fri 9/53:01 pmSAN - LYS
2 stops23h 44mIberia
Deal found 6/11$664
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/232:05 pmLYS - SAN
1 stop30h 55mKLM
Fri 9/58:05 amSAN - LYS
2 stops18h 10mKLM
Deal found 6/11$754
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Thu 9/410:20 amLYS - SAN
3 stops30h 54mMultiple Airlines
Fri 9/123:10 pmSAN - LYS
3 stops33h 20mMultiple Airlines
Deal found 6/12$849
This Air France deal was found by Cheapflights users on 6/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:15 pmLYS - SAN
1 stop26h 45mAir France
Wed 8/278:00 amSAN - LYS
2 stops17h 25mAir France
Deal found 6/11$1,054
This Delta deal was found by Cheapflights users on 6/12. 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.
Mon 7/710:20 amLYS - SAN
2 stops21h 18mDelta
Wed 8/276:20 amSAN - LYS
2 stops19h 55mDelta
Deal found 6/12$1,068
This KAYAK deal was found by Cheapflights users on 6/12. 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.
Wed 10/88:20 pmLYS - SAN
2 stops31h 36mScandinavian Airlines
Wed 10/1511:05 amSAN - LYS
2 stops23h 30mScandinavian Airlines
Deal found 6/12$3,565

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 June 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

Tue 11/18

2:00 pm-4:05 pm

1 stop35h 05m

San Diego

Fri 12/5

11:00 pm-7:50 pm

2 stops35h 50m

$584

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Thu 9/4

6:50 am-7:35 pm

2 stops21h 45m

San Diego

Fri 9/12

4:55 pm-10:35 am

2 stops32h 40m

$609

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Thu 9/4

6:50 am-7:35 pm

2 stops21h 45m

San Diego

Fri 9/12

4:11 pm-10:35 am

3 stops33h 24m

$610

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Tue 11/18

8:55 am-3:45 pm

1 stop15h 50m

San Diego

Fri 12/5

5:35 pm-5:45 pm

1 stop15h 10m

$625

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Thu 9/4

11:40 am-6:00 pm

1 stop15h 20m

San Diego

Fri 9/12

3:01 pm-6:25 pm

2 stops18h 24m

$627

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Fri 8/22

12:25 pm-11:23 pm

2 stops19h 58m

San Diego

Fri 9/5

3:01 pm-11:45 pm

2 stops23h 44m

$664

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Sat 8/23

2:05 pm-12:00 pm

1 stop30h 55m

San Diego

Fri 9/5

8:05 am-11:15 am

2 stops18h 10m

$754

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Thu 9/4

10:20 am-8:14 am

3 stops30h 54m

San Diego

Fri 9/12

3:10 pm-9:30 am

3 stops33h 20m

$849

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Wed 8/13

6:15 pm-12:00 pm

1 stop26h 45m

San Diego

Wed 8/27

8:00 am-10:25 am

2 stops17h 25m

$1,054

LyonSan Diego

LYS - SAN

LYSSAN

Lyon-Saint Exupéry

Mon 7/7

10:20 am-10:38 pm

2 stops21h 18m

San Diego

Wed 8/27

6:20 am-11:15 am

2 stops19h 55m

$1,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 results
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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 June 9, 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, August is the cheapest month in which you can book a flight from Lyon to San Diego (average of $286). Flying from Lyon 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.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 June 12, 2025.
See what other customers who have flown with Delta, KLM and Air France from Lyon to San Diego have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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 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.

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

    Currently priced at $584, American Airlines will fly you from Lyon to San Diego and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from $609 and $610, respectively. American Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, August is the cheapest month in which you can book a flight from Lyon to San Diego (average of $286). Flying from Lyon 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 Lyon?

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

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