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$319+ Cheap flights from Spain 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SAN
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Spain to San Diego

Keep the following information in mind while searching for Spain to San Diego flight deals. Data was last updated junio 12, 2025.

Round-trip from

$638
(lol.travel)

One-way from

$319
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$922

Good one-way deal

$143 or less
From Spain to San Diego
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One-way flight from Spain to San Diego
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Highest demand for flights based on searches. 14% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a one-way flight from Spain to San Diego.
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Find flight deals from Spain to San Diego

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

This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/49:40 amBCN - SAN
2 stops18h 55mAir Canada
lun. 9/88:10 amSAN - BCN
1 stop14h 40mAir Canada
Deal found 6/12$638
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.
lun. 12/157:45 pmVLC - SAN
2 stops35h 02mMultiple Airlines
mar. 1/132:09 pmSAN - VLC
2 stops18h 26mMultiple Airlines
Deal found 6/11$653
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/176:00 amMAD - SAN
2 stops19h 07mUnited Airlines
mié. 10/810:30 pmSAN - MAD
1 stop24h 35mUnited Airlines
Deal found 6/11$655
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.
dom. 12/141:55 pmBCN - SAN
2 stops30h 13mUnited Airlines
dom. 1/118:50 pmSAN - BCN
2 stops27h 10mUnited Airlines
Deal found 6/10$660
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.
dom. 12/1410:15 amBCN - SAN
1 stop19h 34mDelta
dom. 1/1112:35 pmSAN - BCN
2 stops19h 25mDelta
Deal found 6/12$668
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.
mié. 9/171:45 pmMAD - SAN
1 stop16h 58mBritish Airways
mié. 10/84:40 pmSAN - MAD
1 stop14h 35mBritish Airways
Deal found 6/11$673
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.
sáb. 9/207:10 amMAD - SAN
1 stop17h 15mLufthansa
sáb. 10/256:45 amSAN - MAD
2 stops20h 35mLufthansa
Deal found 6/11$682
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2711:35 amMAD - SAN
1 stop15h 44mIberia
jue. 11/66:24 amSAN - MAD
1 stop16h 31mIberia
Deal found 6/10$709
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/26:45 amBIO - SAN
2 stops24h 09mMultiple Airlines
sáb. 9/1312:38 pmSAN - BIO
2 stops25h 37mMultiple Airlines
Deal found 6/10$718
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/179:40 pmLCG - SAN
2 stops32h 32mIberia
mié. 8/279:13 amSAN - LCG
2 stops22h 52mIberia
Deal found 6/10$768
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.
sáb. 11/810:00 amMAD - SAN
1 stop22h 41mMultiple Airlines
sáb. 11/228:00 amSAN - MAD
1 stop16h 00mMultiple Airlines
Deal found 6/11$771
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/151:25 pmVLC - SAN
2 stops37h 15mBritish Airways
mar. 1/136:10 pmSAN - VLC
1 stop32h 05mBritish Airways
Deal found 6/10$771

Cheapflights Fare Finder

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

Fly from

Spain

Fly to

San Diego

Route

Depart

Return

Price

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 9/4

9:40 am-7:35 pm

2 stops18h 55m

San Diego

lun. 9/8

8:10 am-7:50 am

1 stop14h 40m

$638

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

mar. 9/2

6:45 am-9:54 pm

2 stops24h 09m

San Diego

sáb. 9/13

12:38 pm-11:15 pm

2 stops25h 37m

$718

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/26

12:10 pm-7:38 pm

1 stop16h 28m

San Diego

mié. 7/9

10:30 pm-7:50 am

2 stops24h 20m

$748

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/26

12:20 pm-10:57 pm

1 stop19h 37m

San Diego

mié. 7/9

4:40 pm-6:45 pm

1 stop17h 05m

$782

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/26

6:20 am-12:00 pm

1 stop14h 40m

San Diego

mié. 7/9

6:15 am-9:00 am

2 stops17h 45m

$785

BilbaoSan Diego

BIO - SAN

BIOSAN

Bilbao

mar. 9/2

2:10 pm-12:15 am

2 stops19h 05m

San Diego

sáb. 9/13

5:15 pm-11:25 pm

1 stop21h 10m

$786

BarcelonaSan Diego

BCN - SAN

BCNSAN

Barcelona-El Prat

jue. 6/26

9:20 am-7:13 am

3 stops30h 53m

San Diego

mié. 7/9

3:57 pm-11:15 am

3 stops34h 18m

$786

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

mar. 7/15

6:00 am-7:11 pm

2 stops22h 11m

San Diego

dom. 8/31

10:30 pm-6:40 am

2 stops23h 10m

$786

MálagaSan Diego

AGP - SAN

AGPSAN

Malaga

lun. 6/30

9:35 am-12:15 am

2 stops23h 40m

San Diego

dom. 7/6

10:20 pm-7:35 am

2 stops24h 15m

$787

MadridSan Diego

MAD - SAN

MADSAN

Madrid Barajas

lun. 6/23

10:20 am-12:00 pm

1 stop34h 40m

San Diego

lun. 7/7

1:45 pm-4:25 pm

2 stops17h 40m

$791

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 results
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Best time to book a flight from Spain to San Diego

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

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

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

What is the cheapest time of day to fly from ES to SAN?

Find hourly flight availability from Spain to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from Spain to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Spain to San Diego to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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 Spain 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 airport do you fly into for flights to San Diego from Spain?

    Most people fly into San Diego (SAN) if they book a flight to San Diego from Spain. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

  • What are the cheapest airlines to fly from Spain to San Diego one-way?

    The cheapest airlines for a one-way flight from Spain to San Diego are Icelandair ($535), TAP AIR PORTUGAL ($567), and WestJet ($617).

  • What are the most popular routes from Spain to San Diego?

    Most travelers choose Madrid Barajas - San Diego, Barcelona-El Prat - San Diego or Santiago de Compostela - San Diego when deciding on the best route from Spain to San Diego.

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

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

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

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

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

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

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

Book flights to Spain 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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Alternative routes for Spain to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Spain to San Diego

Discover the top 4 airlines that operate flights from Spain to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$618Average$788FlexibilityNo cancel feeOn-time69%
IberiaCheapest$639Average$745FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$725Average$890FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$777Average$1,001FlexibilityNo cancel feeOn-time71%

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