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$644+ Cheap flights from Basel EuroAirport Swiss (BSL) 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — SAN
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$644
(Billigflug)

Popular in

December

Cheapest in

February

Average price

$818
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 July 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 julio 30, 2025.

This Billigflug deal was found by Cheapflights users on 7/30. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/286:10 amBSL - SAN
2 stops21h 22mMultiple Airlines
mar. 9/26:15 amSAN - BSL
2 stops19h 40mMultiple Airlines
Deal found 7/30$644
This American Airlines deal was found by Cheapflights users on 7/30. 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.
jue. 8/286:10 amBSL - SAN
2 stops20h 45mAmerican Airlines
mar. 9/27:15 amSAN - BSL
2 stops18h 40mAmerican Airlines
Deal found 7/30$645
This British Airways deal was found by Cheapflights users on 7/29. 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.
jue. 8/286:10 amBSL - SAN
2 stops20h 45mBritish Airways
mar. 9/24:20 pmSAN - BSL
2 stops17h 10mBritish Airways
Deal found 7/29$647
This Delta deal was found by Cheapflights users on 7/30. 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.
jue. 8/286:15 amBSL - SAN
1 stop14h 45mDelta
mar. 9/210:00 amSAN - BSL
2 stops18h 10mDelta
Deal found 7/30$658
This United Airlines deal was found by Cheapflights users on 7/30. 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.
sáb. 9/139:45 amBSL - SAN
2 stops17h 38mUnited Airlines
sáb. 9/202:21 pmSAN - BSL
2 stops20h 14mUnited Airlines
Deal found 7/30$720

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 julio 30, 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

jue. 8/28

6:10 am-6:32 pm

2 stops21h 22m

San Diego

mar. 9/2

6:15 am-10:55 am

2 stops19h 40m

$644

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

jue. 8/28

6:10 am-5:55 pm

2 stops20h 45m

San Diego

mar. 9/2

7:15 am-10:55 am

2 stops18h 40m

$645

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

jue. 8/28

6:10 am-5:55 pm

2 stops20h 45m

San Diego

mar. 9/2

4:20 pm-6:30 pm

2 stops17h 10m

$647

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

jue. 8/28

6:15 am-12:00 pm

1 stop14h 45m

San Diego

mar. 9/2

10:00 am-1:10 pm

2 stops18h 10m

$658

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

sáb. 9/13

9:45 am-6:23 pm

2 stops17h 38m

San Diego

sáb. 9/20

2:21 pm-7:35 pm

2 stops20h 14m

$720

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

dom. 10/12

7:05 am-6:00 pm

1 stop19h 55m

$780

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

dom. 10/12

6:15 am-4:15 pm

2 stops19h 00m

$826

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

dom. 10/12

1:00 pm-8:16 pm

3 stops40h 16m

$1,568

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

vie. 10/3

10:20 am-7:46 pm

2 stops42h 26m

$1,578

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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.

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 julio 30, 2025.
Read reviews from past customers who have flown Delta, Austrian Airlines, and United Airlines from Basel EuroAirport Swiss to San Diego. 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
7,980 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
Austrian Airlines
7.6
Good
823 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
7,980 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
British Airways
6.6
Okay
7,217 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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 $645, 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 Delta - these airlines can fly you to your destination from $647 and $658, 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 $780 on British Airways. Other airlines that offer cheap prices include Delta from $826 and United Airlines from $1,568 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
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