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$423+ Cheap flights from Basel EuroAirport Swiss (BSL) to San Diego (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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Basel to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Basel (BSL) 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

$628
(American Airlines)

One-way from

$423
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$795
From Basel EuroAirport Swiss to San Diego
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One-way flight from Basel EuroAirport Swiss to San Diego
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Highest demand for flights based on searches. 23% potential increase in price ($254 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($89 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 Basel to San Diego

Cheapest flights from Basel to San Diego
Explore the most affordable flight options available from Basel 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 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:10 amBSL - SAN
1 stop17h 40mAmerican Airlines
Thu 10/167:50 pmSAN - BSL
1 stop13h 35mAmerican Airlines
Deal found 6/12$628
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:10 pmBSL - SAN
1 stop28h 40mBritish Airways
Thu 10/167:50 pmSAN - BSL
1 stop18h 00mBritish Airways
Deal found 6/12$629
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:15 amBSL - SAN
2 stops18h 05mKLM
Thu 10/168:50 amSAN - BSL
2 stops15h 45mKLM
Deal found 6/12$677
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2511:30 amBSL - SAN
2 stops21h 11mUnited Airlines
Thu 10/166:00 pmSAN - BSL
3 stops33h 25mUnited Airlines
Deal found 6/12$703
This flugladen.de 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:15 amBSL - SAN
2 stops20h 13mAir France
Sat 10/186:15 amSAN - BSL
2 stops18h 20mAir France
Deal found 6/11$711
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.
Thu 6/196:15 amBSL - SAN
1 stop14h 45mDelta
Sat 7/56:20 amSAN - BSL
2 stops18h 00mDelta
Deal found 6/12$801
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1911:30 amBSL - SAN
2 stops33h 20mAir Canada
Sat 7/55:00 pmSAN - BSL
2 stops32h 55mAir Canada
Deal found 6/12$1,049
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:45 amBSL - SAN
1 stop14h 40mLufthansa
Sat 9/65:15 pmSAN - BSL
1 stop17h 20mLufthansa
Deal found 6/11$1,129
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:40 amBSL - SAN
1 stop17h 10mMultiple Airlines
Fri 10/2410:45 pmSAN - BSL
2 stops32h 50mMultiple Airlines
Deal found 6/12$1,177

Cheapflights Fare Finder

Customize your flight search to find flights from Basel 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 Basel EuroAirport Swiss to San Diego that are best for you.

Fly from

Basel

Fly to

San Diego

Route

Depart

Return

Price

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Thu 9/25

6:10 am-2:50 pm

1 stop17h 40m

San Diego

Thu 10/16

7:50 pm-6:25 pm

1 stop13h 35m

$628

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Tue 9/30

7:10 pm-2:50 pm

1 stop28h 40m

San Diego

Thu 10/16

7:50 pm-10:50 pm

1 stop18h 00m

$629

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Tue 9/30

6:15 am-3:20 pm

2 stops18h 05m

San Diego

Thu 10/16

8:50 am-9:35 am

2 stops15h 45m

$677

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Thu 9/25

11:30 am-11:41 pm

2 stops21h 11m

San Diego

Thu 10/16

6:00 pm-12:25 pm

3 stops33h 25m

$703

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Thu 10/2

6:15 am-5:28 pm

2 stops20h 13m

San Diego

Sat 10/18

6:15 am-9:35 am

2 stops18h 20m

$711

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Mon 9/1

6:15 am-6:01 pm

2 stops20h 46m

San Diego

Sat 9/6

8:00 am-9:30 am

2 stops16h 30m

$1,079

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Mon 9/1

9:45 am-3:25 pm

1 stop14h 40m

San Diego

Sat 9/6

5:15 pm-7:35 pm

1 stop17h 20m

$1,129

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Wed 10/22

6:40 am-2:50 pm

1 stop17h 10m

San Diego

Fri 10/24

10:45 pm-4:35 pm

2 stops32h 50m

$1,177

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Tue 6/24

9:20 pm-12:09 pm

3 stops47h 49m

$423

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Thu 10/2

12:15 pm-6:00 pm

1 stop14h 45m

$794

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 12 results
1
2

Best time to book a flight from Basel to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Basel 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 Basel EuroAirport Swiss to San Diego

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.
Get a feel of what it's like to fly with Delta, KLM and Air France from Basel to San Diego by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

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 Basel 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 Basel EuroAirport Swiss to San Diego round-trip?

    Currently priced at $628, American Airlines will fly you from Basel EuroAirport Swiss 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 British Airways and KLM - these airlines can fly you to your destination from $629 and $677, respectively.

  • What are the cheapest airlines to fly from Basel EuroAirport Swiss to San Diego one-way?

    One-way options have recently been found by users for as low as $794 on British Airways. Other airlines that offer cheap prices include American Airlines from $983 and Lufthansa from $1,764 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Basel 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 Basel EuroAirport Swiss to San Diego?

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

Book flights to Basel EuroAirport Swiss 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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