$434+ Cheap flights from San Diego (SAN) to Shannon (SNN)
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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SNN
Sep 10 — Sep 171
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
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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 August 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 August 11, 2026.
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:35 am -
1 stop19h 40m
Thu 10/2212:30 pm -
1 stop17h 49m
Deal found 8/6![United Airlines logo]()
$828
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 9/257:00 am -
2 stops19h 15m
Fri 10/212:30 pm -
1 stop15h 13m
Deal found 8/11![United Airlines logo]()
$866
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:35 am -
1 stop12h 55m
Sat 8/229:30 am -
2 stops19h 15m
Deal found 8/6![United Airlines logo]()
$953
This United Airlines deal was found by Cheapflights users on 8/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:37 pm -
3 stops37h 38m
Sun 10/1812:30 pm -
2 stops34h 27m
Deal found 8/8![United Airlines logo]()
$964
This Ovago deal was found by Cheapflights users on 8/8. 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.
Sat 10/109:45 pm -
1 stop23h 40m
Sun 10/189:15 pm -
1 stop25h 40m
Deal found 8/8![Multiple Airlines logo]()
$1,051
This BusinessClass deal was found by Cheapflights users on 8/11. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:45 pm -
1 stop15h 05m
Fri 10/27:30 am -
1 stop15h 25m
Deal found 8/11![Multiple Airlines logo]()
$1,064
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:27 pm -
2 stops35h 13m
Fri 10/161:45 pm -
1 stop15h 50m
Deal found 8/10![Multiple Airlines logo]()
$1,127
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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.
Thu 9/312:48 pm -
2 stops19h 22m
Mon 9/79:15 pm -
1 stop25h 40m
Deal found 8/9![British Airways logo]()
$1,181
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Thu 9/310:40 am -
1 stop12h 50m
Mon 9/79:30 am -
1 stop32h 02m
Deal found 8/9![United Airlines logo]()
$1,184
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 August 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 August 11, 2026.
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:35 am -
1 stop19h 40m
Thu 10/2212:30 pm -
1 stop17h 49m
Deal found 8/6![United Airlines logo]()
$828
This BusinessClass deal was found by Cheapflights users on 8/11. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:45 pm -
1 stop15h 05m
Fri 10/27:30 am -
1 stop15h 25m
Deal found 8/11![Multiple Airlines logo]()
$1,064
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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.
Thu 9/312:48 pm -
2 stops19h 22m
Mon 9/79:15 pm -
2 stops30h 04m
Deal found 8/9![British Airways logo]()
$1,191
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 9/257:00 am -
2 stops19h 15m
Fri 10/212:30 pm -
2 stops29h 47m
Deal found 8/11![United Airlines logo]()
$866
This United Airlines deal was found by Cheapflights users on 8/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:37 pm -
3 stops37h 38m
Sun 10/1812:30 pm -
2 stops34h 27m
Deal found 8/8![United Airlines logo]()
$964
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Sun 10/1111:00 am -
2 stops15h 15m
Fri 10/1612:30 pm -
2 stops18h 27m
Deal found 8/10![United Airlines logo]()
$1,224
Last-minute flights from San Diego to ShannonDiscover last-minute flight deals from San Diego to Shannon. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Shannon. Data last updated August 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:45 am -
3 stops17h 30m
Sat 8/299:30 am -
2 stops19h 15m
Deal found 8/8![United Airlines logo]()
$1,279
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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.
Thu 9/312:48 pm -
2 stops19h 22m
Mon 9/79:15 pm -
1 stop25h 40m
Deal found 8/9![British Airways logo]()
$1,181
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Thu 9/310:40 am -
1 stop12h 50m
Mon 9/79:30 am -
1 stop32h 02m
Deal found 8/9![United Airlines logo]()
$1,184
This Arangrant deal was found by Cheapflights users on 8/10. 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 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 9/229:15 pm -
2 stops28h 32m
Deal found 8/10![British Airways logo]()
$1,424
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 9/257:00 am -
2 stops19h 15m
Fri 10/212:30 pm -
2 stops29h 47m
Deal found 8/11![United Airlines logo]()
$866
This BusinessClass deal was found by Cheapflights users on 8/11. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:45 pm -
1 stop15h 05m
Fri 10/27:30 am -
1 stop15h 25m
Deal found 8/11![Multiple Airlines logo]()
$1,064
One-way flights from San Diego to ShannonSearch for one-way flight options from San Diego to Shannon. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
Search for one-way flight options from San Diego to Shannon. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 8/297:15 am -
3 stops19h 00m
Deal found 8/7![United Airlines logo]()
$434
This KAYAK deal was found by Cheapflights users on 8/9. 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.
Sat 8/296:18 am -
1 stop17h 12m
Deal found 8/9![Lufthansa logo]()
$504
This KAYAK deal was found by Cheapflights users on 8/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:30 pm -
1 stop25h 30m
Deal found 8/11![Multiple Airlines logo]()
$618
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:59 pm -
1 stop29h 11m
Deal found 8/10![Delta logo]()
$631
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 August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $828 (United Airlines) |
One-way from | $434 (United Airlines) |
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 2,558,603 searches. Data last updated August 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
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Thu 10/15
6:35 am-10:15 am
1 stop19h 40m
Shannon
Thu 10/22
12:30 pm-10:19 pm
1 stop17h 49m
$828
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Fri 9/25
7:00 am-10:15 am
2 stops19h 15m
Shannon
Fri 10/2
12:30 pm-10:17 am
2 stops29h 47m
$866
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Sat 10/10
12:37 pm-10:15 am
3 stops37h 38m
Shannon
Sun 10/18
12:30 pm-2:57 pm
2 stops34h 27m
$964
Quickest round-trip
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Fri 9/25
4:45 pm-3:50 pm
1 stop15h 05m
Shannon
Fri 10/2
7:30 am-2:55 pm
1 stop15h 25m
$1,064
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Thu 9/3
12:48 pm-4:10 pm
2 stops19h 22m
Shannon
Mon 9/7
9:15 pm-7:19 pm
2 stops30h 04m
$1,191
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Sun 10/11
11:00 am-10:15 am
2 stops15h 15m
Shannon
Fri 10/16
12:30 pm-10:57 pm
2 stops18h 27m
$1,224
Cheapest one-way
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Sat 8/29
7:15 am-10:15 am
3 stops19h 00m
$434
Quickest one-way
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Sat 8/29
1:00 pm-11:10 am
1 stop14h 10m
$434
San DiegoShannon
SAN San Diego - SNN Shannon
SANSNN
San Diego
Sat 8/29
7:15 am-7:30 am
2 stops16h 15m
$504
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 August.
| 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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