Ireland

$347+ Cheap flights from San Diego (SAN) to Ireland

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — DUB
May 29 — Jun 51
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Cheap flight deals from San Diego to Ireland

Cheapest flights from San Diego to Ireland
Explore the most affordable flight options available from San Diego to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.

This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:35 pm
SAN
-
DUB
1 stop15h 35m
Multiple Airlines
Fri 11/139:00 am
DUB
-
SAN
1 stop33h 53m
Multiple Airlines
Deal found 4/28$755
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 11/36:00 pm
SAN
-
DUB
1 stop17h 40m
British Airways
Tue 11/178:50 am
DUB
-
SAN
1 stop15h 20m
British Airways
Deal found 4/28$767
This United Airlines deal was found by Cheapflights users on 4/28. 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 11/39:55 pm
SAN
-
DUB
1 stop28h 25m
United Airlines
Fri 11/139:00 am
DUB
-
SAN
1 stop33h 53m
United Airlines
Deal found 4/28$768
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:00 pm
SAN
-
DUB
3 stops30h 45m
United Airlines
Tue 9/89:20 am
DUB
-
SAN
2 stops35h 30m
United Airlines
Deal found 4/26$769
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:35 am
SAN
-
SNN
1 stop19h 40m
United Airlines
Fri 8/2812:30 pm
SNN
-
SAN
1 stop15h 23m
United Airlines
Deal found 4/26$770
This United Airlines deal was found by Cheapflights users on 4/28. 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 9/97:00 am
SAN
-
DUB
1 stop16h 45m
United Airlines
Thu 9/179:20 am
DUB
-
SAN
1 stop19h 16m
United Airlines
Deal found 4/28$778
This KLM deal was found by Cheapflights users on 4/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:00 am
SAN
-
DUB
1 stop15h 45m
KLM
Wed 12/21:25 pm
DUB
-
SAN
1 stop30h 40m
KLM
Deal found 4/27$780
This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:01 pm
SAN
-
DUB
2 stops16h 19m
British Airways
Tue 11/178:50 am
DUB
-
SAN
1 stop15h 20m
British Airways
Deal found 4/28$783
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am
SAN
-
DUB
2 stops16h 30m
United Airlines
Wed 11/189:00 am
DUB
-
SAN
1 stop33h 53m
United Airlines
Deal found 4/26$784
This Air Canada deal was found by Cheapflights users on 4/28. 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 10/278:50 am
SAN
-
DUB
2 stops14h 20m
Multiple Airlines
Tue 11/175:10 am
DUB
-
SAN
2 stops38h 03m
Multiple Airlines
Deal found 4/28$787
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 9/124:06 pm
SAN
-
SNN
2 stops31h 24m
United Airlines
Sun 9/2012:30 pm
SNN
-
SAN
2 stops28h 35m
United Airlines
Deal found 4/28$835
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 9/1310:44 am
SAN
-
SNN
1 stop12h 46m
United Airlines
Sun 9/209:30 am
SNN
-
SAN
1 stop32h 02m
United Airlines
Deal found 4/28$837

Find flight deals from San Diego to Ireland

Keep the following information in mind while searching for San Diego to Ireland flight deals. Data was last updated April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$769
(United Airlines)

One-way from

$347
(CrystalTravel)

Popular in

June

Cheapest in

January

Average price

$693
Provider with most accurate pricing for San Diego-Dublin flight deals.
Provider most trusted by Cheapflights users for San Diego-Dublin flights.
From San Diego to Ireland
One-way flight from San Diego to Ireland
Highest demand for flights based on searches. 17% potential increase in price ($151 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Ireland 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 April 29, 2026.
Use the filters below to find and compare flights from San Diego to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 9/1

5:00 pm-7:45 am

3 stops30h 45m

Dublin

Tue 9/8

9:20 am-12:50 pm

2 stops35h 30m

$769

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Mon 8/24

6:35 am-10:15 am

1 stop19h 40m

Shannon

Fri 8/28

9:30 am-10:10 pm

1 stop20h 40m

$770

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Tue 8/25

6:35 am-10:15 am

1 stop19h 40m

Shannon

Fri 8/28

9:30 am-10:10 pm

1 stop20h 40m

$770

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Wed 9/9

7:00 am-7:45 am

1 stop16h 45m

Dublin

Thu 9/17

9:20 am-8:36 pm

1 stop19h 16m

$778

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sat 9/12

4:06 pm-7:30 am

2 stops31h 24m

Shannon

Sun 9/20

12:30 pm-9:05 am

2 stops28h 35m

$835

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Wed 9/23

8:00 am-7:20 am

1 stop15h 20m

Dublin

Fri 10/2

9:50 am-4:12 pm

1 stop14h 22m

$849

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Thu 9/10

8:45 am-11:10 am

2 stops18h 25m

Dublin

Wed 9/16

9:20 am-6:30 pm

2 stops17h 10m

$849

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Tue 8/25

6:40 am-7:20 am

2 stops16h 40m

Dublin

Tue 9/8

9:20 am-8:36 pm

1 stop19h 16m

$851

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Sat 9/12

10:40 pm-11:10 am

2 stops28h 30m

Shannon

Sun 9/20

1:05 pm-11:43 pm

1 stop18h 38m

$899
Quickest round-trip

San DiegoDublin

SAN - DUB

SANDUB

San Diego

Fri 9/25

12:45 pm-10:40 am

1 stop13h 55m

Dublin

Wed 10/7

9:50 am-4:12 pm

1 stop14h 22m

$899

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 31 resultsSorted by cheapest first
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Best time to book a flight from San Diego to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland 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 Ireland

How far ahead should I book a flight from San Diego to Ireland?

To ensure you get the cheapest price possible for a flight from San Diego to Ireland, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from San Diego to Ireland (average of $211). Flying from San Diego to Ireland in September is currently the most expensive (average of $520). 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.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated April 29, 2026.
Read reviews from past customers who have flown United Airlines,JetBlue, andAmerican Airlines from San Diego to Ireland. 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.

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

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??

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

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??

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

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??

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

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??

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

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??

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

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 Ireland. 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 Ireland?

    If you book a flight to Ireland from San Diego, you will be flying from San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego.

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

    A quick flight from San Diego to Ireland can take about 24h 55m. United Airlines provides one of the quickest options available for as low as $1,181. The distance between San Diego and Ireland is about 5180 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $240 on British Airways. Other airlines that offer cheap prices include American Airlines from $248 and Delta from $266 one-way.

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

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from San Diego to Ireland (average of $211). Flying from San Diego to Ireland in September is currently the most expensive (average of $520). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Diego to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from San Diego to Ireland

Discover the top 10 airlines that operate flights from San Diego to Ireland. 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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$299Average$860FlexibilityNo cancel feeOn-time62%
KLMCheapest$433Average$636FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$434Average$688FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$457Average$660FlexibilityNo cancel feeOn-time67%
DeltaCheapest$465Average$693FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$478Average$678FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$480Average$714FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$483Average$776FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$657Average$693FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$670Average$882FlexibilityNo cancel feeOn-timeN/A

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