HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$634+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — SAN
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Basel 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.

Cheap 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 January 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/25. 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 9/911:50 am
BSL
-
SAN
1 stop36h 05m
American Airlines
Thu 9/244:57 pm
SAN
-
BSL
2 stops20h 53m
American Airlines
Deal found 1/25$634
This American Airlines deal was found by Cheapflights users on 1/26. 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 9/2412:15 pm
BSL
-
SAN
1 stop14h 35m
American Airlines
Sat 10/107:40 pm
SAN
-
BSL
1 stop18h 10m
American Airlines
Deal found 1/26$637
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Sat 9/126:35 am
BSL
-
SAN
2 stops23h 57m
American Airlines
Wed 9/234:45 pm
SAN
-
BSL
1 stop17h 15m
American Airlines
Deal found 1/25$640
This American Airlines deal was found by Cheapflights users on 1/26. 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 3/126:05 am
BSL
-
SAN
2 stops22h 32m
American Airlines
Thu 3/1910:49 am
SAN
-
BSL
2 stops20h 16m
American Airlines
Deal found 1/26$641
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Fri 9/256:00 am
BSL
-
SAN
2 stops18h 41m
American Airlines
Fri 10/97:40 pm
SAN
-
BSL
1 stop18h 10m
American Airlines
Deal found 1/25$643
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/186:20 am
BSL
-
SAN
2 stops23h 36m
American Airlines
Sun 2/226:20 am
SAN
-
BSL
2 stops23h 45m
American Airlines
Deal found 1/26$644
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:00 am
BSL
-
SAN
2 stops22h 55m
Multiple Airlines
Sat 10/101:18 pm
SAN
-
BSL
2 stops20h 07m
Multiple Airlines
Deal found 1/26$645
This Iberia deal was found by Cheapflights users on 1/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:05 am
BSL
-
SAN
1 stop19h 05m
Multiple Airlines
Thu 3/510:50 am
SAN
-
BSL
2 stops19h 15m
Multiple Airlines
Deal found 1/25$647
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:05 am
BSL
-
SAN
2 stops23h 54m
Multiple Airlines
Mon 3/167:00 pm
SAN
-
BSL
1 stop18h 35m
Multiple Airlines
Deal found 1/26$654
This British Airways deal was found by Cheapflights users on 1/25. 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.
Sat 9/126:35 am
BSL
-
SAN
1 stop17h 20m
British Airways
Sat 9/264:45 pm
SAN
-
BSL
1 stop21h 05m
British Airways
Deal found 1/25$661

Find 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 January 27, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$640
(American Airlines)

Popular in

January

Cheapest in

November

Average price

$1,372
Provider with most accurate pricing for Basel EuroAirport Swiss-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Basel EuroAirport Swiss-San Diego flights.
Search Deals
From Basel EuroAirport Swiss to San Diego
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($188 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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 2/26

11:05 am-9:39 pm

2 stops19h 34m

San Diego

Thu 3/5

12:45 pm-3:05 pm

2 stops17h 20m

$640

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Thu 3/12

6:05 am-8:37 pm

2 stops22h 32m

San Diego

Thu 3/19

10:49 am-3:05 pm

2 stops20h 16m

$641

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Wed 2/18

6:20 am-6:27 pm

2 stops21h 07m

San Diego

Sun 2/22

6:20 am-3:05 pm

2 stops23h 45m

$643

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Thu 3/12

11:05 am-11:59 pm

2 stops20h 54m

San Diego

Mon 3/16

10:30 pm-3:05 pm

2 stops32h 35m

$658

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Wed 2/18

6:20 am-4:10 pm

1 stop18h 50m

San Diego

Sun 2/22

6:30 am-10:20 pm

2 stops30h 50m

$687

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Sat 6/13

6:35 am-2:55 pm

1 stop17h 20m

San Diego

Tue 6/23

10:08 am-6:55 pm

2 stops23h 47m

$687

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Sat 7/18

11:55 am-5:50 pm

1 stop14h 55m

$1,045

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Fri 7/17

11:45 am-5:50 pm

1 stop15h 05m

$1,045

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Sun 7/12

1:00 pm-9:47 pm

2 stops17h 47m

$1,362

BaselSan Diego

BSL - SAN

BSLSAN

Basel EuroAirport Swiss

Sun 7/19

8:20 am-3:25 pm

2 stops16h 05m

$1,364

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

  • Most accurate provider: When it comes to deals on Basel EuroAirport Swiss-San Diego flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Basel EuroAirport Swiss-San Diego flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Basel EuroAirport Swiss-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Basel EuroAirport Swiss-San Diego flights, Cheapflights users trust Expedia the most. Expedia 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 Basel EuroAirport Swiss-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 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.

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.

  • How long is the flight from Basel EuroAirport Swiss to San Diego?

    A quick flight from Basel EuroAirport Swiss to San Diego can take about 19h 34m. American Airlines provides one of the quickest options available for as low as $640. Basel EuroAirport Swiss and San Diego are separated by a distance of 5913 mi.

  • 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.

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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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 Basel to San Diego

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