$727+ Cheap flights from San Diego (SAN) to Shannon (SNN)
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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SNN
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Shannon 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 San Diego to Shannon
Cheapest
Best
Last-minute
Cheapest flights from San Diego to ShannonExplore the most affordable flight options available from San Diego to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from San Diego to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This deal was found by Cheapflights users on 9/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:30 pm -
1 stop12h 45m
Sat 10/2412:30 pm -
1 stop15h 13m
Deal found 9/11![United Airlines logo]()
$727
This Ovago deal was found by Cheapflights users on 9/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:53 am -
2 stops23h 57m
Fri 10/302:00 pm -
2 stops26h 16m
Deal found 9/8![Multiple Airlines logo]()
$828
This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 pm -
1 stop17h 25m
Sun 11/17:50 am -
1 stop16h 20m
Deal found 9/10![Multiple Airlines logo]()
$838
This Cheapflightsfares deal was found by Cheapflights users on 9/6. 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 10/204:45 pm -
1 stop19h 50m
Tue 10/277:50 am -
1 stop16h 20m
Deal found 9/6![British Airways logo]()
$1,000
Best flights from San Diego to ShannonDiscover carefully curated flight deals from San Diego to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from San Diego to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 pm -
1 stop17h 25m
Sun 11/17:50 am -
1 stop16h 20m
Deal found 9/10![Multiple Airlines logo]()
$838
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/1610:40 am -
2 stops15h 35m
Sat 10/2412:30 pm -
2 stops20h 01m
Deal found 9/7![United Airlines logo]()
$913
This Cheapflightsfares deal was found by Cheapflights users on 9/6. 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 10/204:45 pm -
1 stop19h 50m
Tue 10/277:50 am -
1 stop16h 20m
Deal found 9/6![British Airways logo]()
$1,000
This Air Canada deal was found by Cheapflights users on 9/8. 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.
Fri 10/231:10 pm -
2 stops18h 40m
Fri 10/307:50 am -
3 stops35h 10m
Deal found 9/8![Multiple Airlines logo]()
$1,071
This AranGrant deal was found by Cheapflights users on 9/6. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:05 pm -
2 stops17h 05m
Tue 9/227:30 am -
2 stops22h 18m
Deal found 9/6![British Airways logo]()
$1,393
Last-minute flights from San Diego to ShannonDiscover last-minute flight deals from San Diego to Shannon. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Shannon. Data last updated September 11, 2026 and is based on user searches.
This deal was found by Cheapflights users on 9/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:30 pm -
1 stop12h 45m
Sat 10/2412:30 pm -
1 stop15h 13m
Deal found 9/11![United Airlines logo]()
$727
This Cheapflightsfares deal was found by Cheapflights users on 9/6. 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 10/204:45 pm -
1 stop19h 50m
Tue 10/277:50 am -
1 stop16h 20m
Deal found 9/6![British Airways logo]()
$1,000
This Ovago deal was found by Cheapflights users on 9/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:53 am -
2 stops23h 57m
Fri 10/302:00 pm -
2 stops26h 16m
Deal found 9/8![Multiple Airlines logo]()
$828
This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 pm -
1 stop17h 25m
Sun 11/17:50 am -
1 stop16h 20m
Deal found 9/10![Multiple Airlines logo]()
$838
Find flight deals from San Diego to Shannon
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Shannon (SNN). 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $727 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Shannon 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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from San Diego to Shannon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Sun 10/25
7:00 pm-7:25 pm
1 stop17h 25m
Shannon
Sun 11/1
7:50 am-5:10 pm
1 stop16h 20m
$838
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Fri 10/16
10:40 am-10:15 am
2 stops15h 35m
Shannon
Sat 10/24
12:30 pm-12:31 am
2 stops20h 01m
$913
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Tue 10/20
4:45 pm-8:35 pm
1 stop19h 50m
Shannon
Tue 10/27
7:50 am-5:10 pm
1 stop16h 20m
$1,000
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Fri 10/23
1:10 pm-3:50 pm
2 stops18h 40m
Shannon
Fri 10/30
7:50 am-12:00 pm
3 stops35h 10m
$1,071
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Mon 9/14
3:05 pm-4:10 pm
2 stops17h 05m
Shannon
Tue 9/22
7:30 am-9:48 pm
2 stops22h 18m
$1,393
Sorted by cheapest first
Compare providers for flights from San Diego to Shannon
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Shannon in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Shannon, Clare flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Shannon, Clare flights, Cheapflights users trust FlightHub the most. FlightHub 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 San Diego-Shannon, Clare 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 San Diego to Shannon
Have a flexible travel schedule? Discover the best time to fly to Shannon from San Diego with our price prediction graph.
SAN-SNN
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 San Diego to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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