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$265+ Cheap flights from San Diego (SAN) to Spain

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MAD
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from San Diego to Spain

Cheapest flights from San Diego to Spain
Explore the most affordable flight options available from San Diego to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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.
Tue 12/25:45 pmSAN - MAD
3 stops29h 15mUnited Airlines
Tue 12/166:00 amMAD - SAN
2 stops37h 21mUnited Airlines
Deal found 10/28$478
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 12/110:30 pmSAN - MAD
2 stops25h 45mUnited Airlines
Tue 12/166:00 amMAD - SAN
2 stops26h 42mUnited Airlines
Deal found 10/28$479
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 12/106:30 amSAN - MAD
2 stops16h 30mUnited Airlines
Tue 1/1311:15 amMAD - SAN
2 stops22h 00mUnited Airlines
Deal found 10/28$480
This Delta deal was found by Cheapflights users on 10/28. 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 11/106:15 amSAN - MAD
2 stops20h 15mDelta
Tue 11/2510:00 amMAD - SAN
2 stops32h 15mDelta
Deal found 10/28$481
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:16 pmSAN - MAD
2 stops24h 19mLufthansa
Wed 11/195:55 amMAD - SAN
2 stops20h 29mLufthansa
Deal found 10/28$482
This Air Canada deal was found by Cheapflights users on 10/28. 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.
Tue 12/306:10 pmSAN - MAD
2 stops28h 50mMultiple Airlines
Wed 1/1410:10 amMAD - SAN
2 stops34h 43mMultiple Airlines
Deal found 10/28$483
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:35 pmSAN - MAD
1 stop15h 15mLufthansa
Wed 12/37:25 amMAD - SAN
2 stops19h 10mLufthansa
Deal found 10/27$484
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/2611:02 amSAN - MAD
2 stops24h 13mUnited Airlines
Thu 12/41:35 pmMAD - SAN
2 stops34h 55mUnited Airlines
Deal found 10/27$485
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:02 amSAN - MAD
2 stops21h 48mMultiple Airlines
Thu 12/41:35 pmMAD - SAN
2 stops17h 55mMultiple Airlines
Deal found 10/27$486
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:35 pmSAN - MAD
1 stop21h 00mLufthansa
Tue 1/1312:00 pmMAD - SAN
1 stop36h 45mLufthansa
Deal found 10/29$487
This KLM deal was found by Cheapflights users on 10/28. 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.
Mon 12/16:24 amSAN - MAD
1 stop17h 51mKLM
Mon 12/811:15 amMAD - SAN
1 stop19h 03mKLM
Deal found 10/28$488
This United deal was found by Cheapflights users on 10/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:50 pmSAN - MAD
3 stops27h 10mMultiple Airlines
Mon 11/2412:00 pmMAD - SAN
1 stop36h 45mMultiple Airlines
Deal found 10/28$489

Cheap flight deals from San Diego to Spain

Keep the following information in mind while searching for San Diego to Spain flight deals. Data was last updated October 29, 2025.

Round-trip from

$478
(United Airlines)

One-way from

$265
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$732
From San Diego to Spain
Search Deals
One-way flight from San Diego to Spain
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Spain 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 October 29, 2025.
Use the filters below to find and compare flights from San Diego to Spain that are best for you.

Fly from

San Diego

Fly to

Spain

Route

Depart

Return

Price

San DiegoMadrid

SAN - MAD

SANMAD

San Diego

Tue 12/9

7:00 am-9:15 am

2 stops17h 15m

Madrid Barajas

Wed 1/14

11:15 am-11:42 pm

2 stops21h 27m

$480

San DiegoMadrid

SAN - MAD

SANMAD

San Diego

Sun 3/1

5:35 pm-11:35 pm

1 stop21h 00m

Madrid Barajas

Mon 3/9

6:35 pm-4:45 pm

1 stop30h 10m

$483

San DiegoMadrid

SAN - MAD

SANMAD

San Diego

Wed 1/14

6:00 pm-6:30 pm

1 stop15h 30m

Madrid Barajas

Mon 1/26

6:05 pm-4:10 pm

1 stop31h 05m

$483

San DiegoMadrid

SAN - MAD

SANMAD

San Diego

Mon 1/19

6:00 pm-8:00 pm

1 stop17h 00m

Madrid Barajas

Mon 1/26

12:00 pm-4:10 pm

1 stop37h 10m

$483

San DiegoMadrid

SAN - MAD

SANMAD

San Diego

Wed 11/26

11:02 am-8:15 pm

2 stops24h 13m

Madrid Barajas

Thu 12/4

1:35 pm-3:30 pm

2 stops34h 55m

$485

San DiegoMadrid

SAN - MAD

SANMAD

San Diego

Mon 1/19

7:00 am-8:00 am

1 stop16h 00m

Madrid Barajas

Sat 1/31

10:00 am-9:07 pm

1 stop20h 07m

$488

San DiegoMadrid

SAN - MAD

SANMAD

San Diego

Mon 12/1

6:24 am-9:15 am

1 stop17h 51m

Madrid Barajas

Mon 12/8

11:15 am-9:18 pm

1 stop19h 03m

$488

San DiegoMadrid

SAN - MAD

SANMAD

San Diego

Fri 1/16

7:00 am-8:00 am

1 stop16h 00m

Madrid Barajas

Wed 1/28

10:00 am-9:07 pm

1 stop20h 07m

$488

San DiegoMadrid

SAN - MAD

SANMAD

San Diego

Sun 2/1

7:00 am-8:00 am

1 stop16h 00m

Madrid Barajas

Mon 2/16

6:00 am-10:00 pm

2 stops25h 00m

$491

San DiegoMadrid

SAN - MAD

SANMAD

San Diego

Tue 12/30

10:30 pm-9:15 am

2 stops25h 45m

Madrid Barajas

Tue 1/13

11:15 am-8:37 am

2 stops30h 22m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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

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

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

Currently, December is the cheapest month in which you can book a flight from San Diego to Spain (average of $438). Flying from San Diego to Spain in June is currently the most expensive (average of $778). 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 SAN to ES?

Find hourly flight availability from San Diego to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

A simple way to save on the total cost of your ticket is to fly from San Diego to Spain at noon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from San Diego to Spain?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Spain. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to Spain flight should consider departing on Sunday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. 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 Spain. Reviews last updated October 29, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Iberia from San Diego to Spain. 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.
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
11,032 reviews
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
3,001 reviews
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,538 reviews
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,483 reviews
United Airlines
7.4
Good
9,001 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from San Diego to Spain. 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 from for flights from San Diego to Spain?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly out of when you book flights from San Diego to Spain.

  • How long is the flight from San Diego to Spain?

    United Airlines, Lufthansa, and British Airways can get you from San Diego to Spain in just under 15h 30m. Your travel time can differ by up to 5h 30m. The distance from San Diego to Spain is about 5839 mi. This flight may include one or multiple stops.

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

    While some choose either San Diego - Barcelona-El Prat or San Diego - Valencia, San Diego - Madrid Barajas is the most popular route from San Diego to Spain.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from San Diego to Spain (average of $438). Flying from San Diego to Spain in June is currently the most expensive (average of $778). 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

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Top 10 airlines flying from San Diego to Spain

Discover the top 10 airlines that operate flights from San Diego to Spain. 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$438Average$794FlexibilityNo cancel feeOn-time72%
DeltaCheapest$455Average$914FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$466Average$797FlexibilityNo cancel feeOn-time75%
IberiaCheapest$485Average$904FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$491Average$982FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$504Average$1,196FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$523Average$1,124FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$541Average$901FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$578Average$966FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$583Average$668FlexibilityNo cancel feeOn-time77%

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