Are direct flights from Dublin to San Diego always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers. However, they are not always the most budget-friendly choice. Flights with one or more connections can sometimes be significantly cheaper, depending on the route and timing.

Can flexible travel dates help on Dublin to San Diego flights?

Yes, being flexible with your travel dates can often lead to finding more affordable flights. Prices can vary significantly even within the same week or month. Flying during off-peak seasons or mid-week days usually presents better opportunities for savings.

What extra costs should I check before booking Dublin to San Diego flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. These additional fees can impact the total cost of your journey.

Flights From Dublin

To San Diego

Cheap Flights from Dublin to San Diego

Browse current best options from Dublin. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Dublin

RatePunk searches hundreds of travel sites at once for deals on flights to San Diego

Prices updated today

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Dublin to San Diego

Explore current cheapest deals departing from Dublin to San Diego

2026-11-18 – 2026-11-26
DUB - San Diego
84% AI deal score
800 €
637 €
Round trip
2026-11-03 – 2026-11-11
DUB - San Diego
87% AI deal score
792 €
638 €
Round trip
2026-11-04 – 2026-11-11
DUB - San Diego
87% AI deal score
810 €
638 €
Round trip
2026-11-02 – 2026-11-11
DUB - San Diego
83% AI deal score
793 €
645 €
Round trip
2026-11-21 – 2026-11-28
DUB - San Diego
86% AI deal score
818 €
649 €
Round trip
2026-11-05 – 2026-11-11
DUB - San Diego
84% AI deal score
810 €
652 €
Round trip
2026-11-11 – 2026-11-25
DUB - San Diego
80% AI deal score
791 €
668 €
Round trip
2026-11-06 – 2026-11-11
DUB - San Diego
83% AI deal score
831 €
669 €
Round trip
2026-11-11 – 2026-11-18
DUB - San Diego
81% AI deal score
813 €
674 €
Round trip
2026-11-01 – 2026-11-14
DUB - San Diego
79% AI deal score
787 €
685 €
Round trip

Dublin to San Diego: Overview

Insights for flights from Dublin to San Diego

A typical journey from Dublin to San Diego takes around 35h 41m, including connections. This is a long-haul route, covering a distance of 8363 km. Given that most itineraries involve at least one stop, the overall travel time reflects the need for transfers.

For travelers seeking cheap flights from Dublin to San Diego, prices are typically $1119–$1455, with a median of $1265. Right now, current fares are significantly below the typical level, with only 8% of recent fares classified as a good price. Deals are infrequent, so setting a price alert can be beneficial.

The cheapest time to fly from Dublin to San Diego is often during August, with a median fare of $681. Other affordable months include December, where the median fare is $716, and January, with a median fare of $728. These months present the best opportunities for lower prices on this route.

Most itineraries for flights from Dublin to San Diego involve connections, as 0% of recent fares were non-stop. When connecting, the typical number of stopovers is 2. This means you should expect at least two stops on your journey between these two cities.

How much is a round trip from Dublin to San Diego

Regular price: €732 - €1,205

Prices are currently below the regular range.

The regular price range for flights from Dublin to San Diego is 732 EUR to 1205 EUR. The current lowest deal is 618 EUR with Icelandair for travel from Jan 21-Jan 28.

now 618 €

Low 732 €

High 1,205 €

The cheapest time to fly from Dublin to San Diego

The cheapest month to fly from Dublin to San Diego is August, with a median price of $681. The most expensive month is November, with a median price of $1279. Prices are generally lower from January to December.

August

Cheapest

Flights from 681 €

November

Most Expensive

Flights from 1,279 €

Jan

Apr

May

Jun

Jul

Aug

Oct

Nov

Dec

Direct flights from Dublin to San Diego

Deutsche Luft Hansa

Ryanair

Aer Lingus

KLM

Last-minute flights going from Dublin to San Diego

Wed, Sep 16

⌛ Last-Minute

DUB - San Diego

Dublin (DUB) - San Diego (SAN)

Aer Lingus

947 €

829 €

One-way

Thu, Sep 17

⌛ Last-Minute

DUB - San Diego

Dublin (DUB) - San Diego (SAN)

KLM

1,065 €

939 €

One-way

Thu, Sep 17

⌛ Last-Minute

DUB - San Diego

Dublin (DUB) - San Diego (SAN)

KLM

929 €

939 €

One-way

Thu, Sep 17

⌛ Last-Minute

DUB - San Diego

Dublin (DUB) - San Diego (SAN)

KLM

1,071 €

939 €

One-way

Fri, Sep 18

⌛ Last-Minute

DUB - San Diego

Dublin (DUB) - San Diego (SAN)

WestJet

877 €

922 €

One-way

Fri, Sep 18

⌛ Last-Minute

DUB - San Diego

Dublin (DUB) - San Diego (SAN)

United Airlines

929 €

942 €

One-way

Biggest price drops on these dates for flights from Dublin to San Diego

3 nights

Dec 7 - Dec 10

1,001 € → 694 €

31%

4 nights

Dec 6 - Dec 10

1,001 € → 726 €

27%

5 nights

Dec 22 - Dec 27

997 € → 736 €

26%

7 nights

Dec 23 - Dec 30

982 € → 736 €

25%

Popular Airports to fly from Dublin to San Diego

Dublin - San Diego route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Dublin to San Diego are below the typical level, with 8% good prices.

📅 Best time to fly

August, December, and January are cheapest

Historically, August ($681), December ($716), and January ($728) offer the lowest median prices.

⏱️ Flight duration

Flights typically last 35h 41m

The typical flight duration from Dublin to San Diego is 35 hours and 41 minutes.

✈️ Airlines & availability

Connecting flights are dominant

This route is dominated by connecting flights, typically with two stopovers.

🏆 Airline highlight

Icelandair offers a recent deal

Icelandair recently offered a deal for $618 for travel from January 21-January 28.

🎯 Booking tip

Deals are rare for this route

Deals for flights from Dublin to San Diego are historically rare.

Dublin main airports to depart from

Dublin (DUB)

Cheapest

Dublin Airport is a convenient departure point for flights to San Diego.

📍 ~8 km from Dublin city center (reachable by car or bus)

💸 Flights from ~€632

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is a convenient arrival option for flights from Dublin to San Diego.

📍 ~3 km from San Diego city center (reachable by car)

💸 Flights from ~€631

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is a useful alternative for travelers heading to Mexico via the Cross Border Xpress (CBX).

📍 ~29 km from San Diego (reachable by car)

💸 Flights from ~€821

Business & First Class Flight Deals to San Diego

Discover luxury on the budget with premium cabin class on flights from Dublin to San Diego.

Elite

Best Elite deals to San Diego

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From DUB

Elite

Dec 20

San Diego, United States

94% AI deal score

$4,352

$2,270

Save $2,082

Icelandair, +1

Business Class

From DUB

Elite

Dec 14

San Diego, United States

94% AI deal score

$4,296

$2,343

Save $1,953

Icelandair, +1

Business Class

From DUB

Elite

Dec 15

San Diego, United States

94% AI deal score

$4,297

$2,343

Save $1,954

Icelandair, +1

Business Class

From DUB

Elite

Nov 24

San Diego, United States

94% AI deal score

$5,484

$2,836

Save $2,648

Icelandair, +1

Business Class

From DUB

Elite

Nov 19

San Diego, United States

93% AI deal score

$5,344

$2,345

Save $2,999

Icelandair, +1

Business Class

From DUB

Elite

Nov 19

San Diego, United States

93% AI deal score

$5,384

$2,844

Save $2,540

Air Canada

Business Class

From DUB

Elite

Nov 18

San Diego, United States

93% AI deal score

$5,351

$2,971

Save $2,380

Aer Lingus

Business Class

From DUB

Elite

Nov 25

San Diego, United States

93% AI deal score

$5,518

$3,061

Save $2,457

Icelandair, +1

Business Class

From DUB

Elite

Nov 19

San Diego, United States

92% AI deal score

$5,384

$3,295

Save $2,089

Icelandair, +1

Business Class

From DUB

Elite

Nov 03

San Diego, United States

92% AI deal score

$5,364

$3,325

Save $2,039

Icelandair, +1

Business Class

From DUB

Elite

Dec 24

San Diego, United States

91% AI deal score

$4,364

$2,824

Save $1,540

Icelandair

Business Class

From DUB

Elite

Dec 24

San Diego, United States

91% AI deal score

$4,268

$2,925

Save $1,343

Icelandair, +1

Business Class

Frequently Asked Questions About Flights to San Diego

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking in advance can often secure better prices, especially for international routes. However, prices can fluctuate, so monitoring fares over a period may be beneficial. Mid-week bookings might sometimes offer slight advantages compared to weekend purchases.

Comparing nearby airports at both your origin and destination can sometimes lead to more economical flight options. While it may require additional travel, the savings on airfare can be significant. Always factor in the cost and time of ground transportation.

Related routes

More routes from Dublin

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Flights to San Diego from other cities

Flights from El Paso to San Diego Flights from Fresno to San Diego Flights from Hong Kong to San Diego Flights from Honolulu to San Diego Flights from Houston to San Diego Flights from Indianapolis to San Diego Flights from Kansas City to San Diego Flights from Las Vegas to San Diego Flights from Los Angeles to San Diego Flights from Madrid to San Diego Flights from Miami to San Diego Flights from Spokane to San Diego

Dublin to San Diego: Overview

Insights for flights from Dublin to San Diego

How much is a round trip from Dublin to San Diego

Regular price: €732 - €1,205

Prices are currently below the regular range.

The regular price range for flights from Dublin to San Diego is 732 EUR to 1205 EUR. The current lowest deal is 618 EUR with Icelandair for travel from Jan 21-Jan 28.

now 618 €

Low 732 €

High 1,205 €

The cheapest time to fly from Dublin to San Diego

August

Cheapest

Flights from 681 €

November

Most Expensive

Flights from 1,279 €

Jan

Apr

May

Jun

Jul

Aug

Oct

Nov

Dec

Direct flights from Dublin to San Diego

Deutsche Luft Hansa

Ryanair

Aer Lingus

KLM

Last-minute flights going from Dublin to San Diego

Wed, Sep 16

⌛ Last-Minute

DUB - San Diego

Dublin (DUB) - San Diego (SAN)

Aer Lingus

947 €

829 €

One-way

Thu, Sep 17

⌛ Last-Minute

DUB - San Diego

Dublin (DUB) - San Diego (SAN)

KLM

1,065 €

939 €

One-way

Thu, Sep 17

⌛ Last-Minute

DUB - San Diego

Dublin (DUB) - San Diego (SAN)

KLM

929 €

939 €

One-way

Thu, Sep 17

⌛ Last-Minute

DUB - San Diego

Dublin (DUB) - San Diego (SAN)

KLM

1,071 €

939 €

One-way

Fri, Sep 18

⌛ Last-Minute

DUB - San Diego

Dublin (DUB) - San Diego (SAN)

WestJet

877 €

922 €

One-way

Fri, Sep 18

⌛ Last-Minute

DUB - San Diego

Dublin (DUB) - San Diego (SAN)

United Airlines

929 €

942 €

One-way

Biggest price drops on these dates for flights from Dublin to San Diego

3 nights

Dec 7 - Dec 10

1,001 € → 694 €

31%

4 nights

Dec 6 - Dec 10

1,001 € → 726 €

27%

5 nights

Dec 22 - Dec 27

997 € → 736 €

26%

7 nights

Dec 23 - Dec 30

982 € → 736 €

25%

Popular Airports to fly from Dublin to San Diego

Dublin - San Diego route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Dublin to San Diego are below the typical level, with 8% good prices.

📅 Best time to fly

August, December, and January are cheapest

Historically, August ($681), December ($716), and January ($728) offer the lowest median prices.

⏱️ Flight duration

Flights typically last 35h 41m

The typical flight duration from Dublin to San Diego is 35 hours and 41 minutes.

✈️ Airlines & availability

Connecting flights are dominant

This route is dominated by connecting flights, typically with two stopovers.

🏆 Airline highlight

Icelandair offers a recent deal

Icelandair recently offered a deal for $618 for travel from January 21-January 28.

🎯 Booking tip

Deals are rare for this route

Deals for flights from Dublin to San Diego are historically rare.

Dublin main airports to depart from

Dublin (DUB)

Cheapest

Dublin Airport is a convenient departure point for flights to San Diego.

📍 ~8 km from Dublin city center (reachable by car or bus)

💸 Flights from ~€632

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is a convenient arrival option for flights from Dublin to San Diego.

📍 ~3 km from San Diego city center (reachable by car)

💸 Flights from ~€631

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is a useful alternative for travelers heading to Mexico via the Cross Border Xpress (CBX).

San Diego, United States

91% AI deal score

$4,268

$2,925

Save $1,343

Icelandair, +1

Business Class

Frequently Asked Questions About Flights to San Diego

Cheap Flights from Dublin to San Diego

Today’s best flight deals from Dublin to San Diego

Dublin to San Diego: Overview

Insights for flights from Dublin to San Diego

How much is a round trip from Dublin to San Diego

The cheapest time to fly from Dublin to San Diego

Direct flights from Dublin to San Diego

Last-minute flights going from Dublin to San Diego

Biggest price drops on these dates for flights from Dublin to San Diego

Popular Airports to fly from Dublin to San Diego

Dublin - San Diego route insights

Recent fares are below the typical level

August, December, and January are cheapest

Flights typically last 35h 41m

Connecting flights are dominant

Icelandair offers a recent deal

Deals are rare for this route

Dublin main airports to depart from

San Diego main airports to arrive at

Airports nearby San Diego used as alternative

Business & First Class Flight Deals to San Diego

Best Elite deals to San Diego

Dec 20

Dec 14

Dec 15

Nov 24

Nov 19

Nov 19

Nov 18

Nov 25

Nov 19

Nov 03

Dec 24

Dec 24

Frequently Asked Questions About Flights to San Diego

How can I find cheap flights from Dublin to San Diego?

When should I book flights from Dublin to San Diego?

Should I compare nearby airports for flights from Dublin to San Diego?

Are direct flights from Dublin to San Diego always the best option?

Can flexible travel dates help on Dublin to San Diego flights?

What extra costs should I check before booking Dublin to San Diego flights?

Related routes

More routes from Dublin

Flights to San Diego from other cities

Dublin to San Diego: Overview

Insights for flights from Dublin to San Diego

How much is a round trip from Dublin to San Diego

The cheapest time to fly from Dublin to San Diego

Direct flights from Dublin to San Diego

Last-minute flights going from Dublin to San Diego

Biggest price drops on these dates for flights from Dublin to San Diego

Popular Airports to fly from Dublin to San Diego

Dublin - San Diego route insights

Recent fares are below the typical level

August, December, and January are cheapest

Flights typically last 35h 41m

Connecting flights are dominant

Icelandair offers a recent deal

Deals are rare for this route

Dublin main airports to depart from

San Diego main airports to arrive at

Airports nearby San Diego used as alternative

Business & First Class Flight Deals to San Diego

Best Elite deals to San Diego

Dec 20

Dec 14

Dec 15

Nov 24

Nov 19

Nov 19

Nov 18

Nov 25

Nov 19

Nov 03

Dec 24

Dec 24

Frequently Asked Questions About Flights to San Diego

How can I find cheap flights from Dublin to San Diego?

When should I book flights from Dublin to San Diego?

Should I compare nearby airports for flights from Dublin to San Diego?