$374+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SNN
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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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
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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 June 10, 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 June 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 8/36:40 am
SAN
- SNN
1 stop16h 50m
United Airlines
Wed 8/199:30 am
SNN
- SAN
2 stops19h 15m
United Airlines
Deal found 6/9![United Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Mon 7/1310:49 am
SAN
- SNN
2 stops15h 26m
United Airlines
Tue 7/219:30 am
SNN
- SAN
1 stop13h 55m
United Airlines
Deal found 6/7![United Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 6/8. 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 9/1510:40 am
SAN
- SNN
1 stop12h 50m
United Airlines
Mon 9/219:30 am
SNN
- SAN
2 stops19h 15m
United Airlines
Deal found 6/8![United Airlines logo]()
$861
This KLM deal was found by Cheapflights users on 6/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:48 am
SAN
- SNN
2 stops15h 22m
Multiple Airlines
Sat 9/121:05 pm
SNN
- SAN
1 stop15h 43m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$901
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:48 am
SAN
- SNN
2 stops15h 22m
Delta
Sat 9/121:05 pm
SNN
- SAN
2 stops29h 06m
Delta
Deal found 6/9![Delta logo]()
$902
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Mon 7/66:40 am
SAN
- SNN
1 stop16h 50m
United Airlines
Thu 7/169:30 am
SNN
- SAN
1 stop21h 04m
United Airlines
Deal found 6/8![United Airlines logo]()
$912
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 7/76:20 am
SAN
- SNN
3 stops17h 10m
United Airlines
Tue 7/1412:30 pm
SNN
- SAN
2 stops19h 24m
United Airlines
Deal found 6/9![United Airlines logo]()
$916
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Tue 7/2110:35 am
SAN
- SNN
1 stop12h 55m
United Airlines
Tue 7/2812:30 pm
SNN
- SAN
2 stops28h 35m
United Airlines
Deal found 6/6![United Airlines logo]()
$927
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:05 pm
SAN
- SNN
1 stop14h 05m
Delta
Thu 7/161:05 pm
SNN
- SAN
1 stop15h 29m
Delta
Deal found 6/9![Delta logo]()
$930
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 June 10, 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 June 10, 2026.
This KLM deal was found by Cheapflights users on 6/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:48 am
SAN
- SNN
2 stops15h 22m
Multiple Airlines
Sat 9/121:05 pm
SNN
- SAN
1 stop15h 43m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$901
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Mon 7/66:20 am
SAN
- SNN
3 stops17h 10m
United Airlines
Thu 7/169:30 am
SNN
- SAN
2 stops18h 21m
United Airlines
Deal found 6/6![United Airlines logo]()
$917
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/610:30 pm
SAN
- SNN
2 stops28h 40m
Delta
Thu 7/161:05 pm
SNN
- SAN
2 stops28h 47m
Delta
Deal found 6/9![Delta logo]()
$935
This British Airways deal was found by Cheapflights users on 6/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:40 pm
SAN
- SNN
1 stop16h 55m
British Airways
Thu 9/109:15 pm
SNN
- SAN
1 stop25h 40m
British Airways
Deal found 6/8![British Airways logo]()
$958
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 7/106:55 pm
SAN
- SNN
2 stops28h 35m
United Airlines
Sun 7/199:30 am
SNN
- SAN
1 stop17h 02m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,046
Last-minute flights from San Diego to ShannonDiscover last-minute flight deals from San Diego to Shannon. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Shannon. Data last updated June 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Mon 7/66:40 am
SAN
- SNN
1 stop16h 50m
United Airlines
Thu 7/169:30 am
SNN
- SAN
1 stop21h 04m
United Airlines
Deal found 6/8![United Airlines logo]()
$912
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:05 pm
SAN
- SNN
1 stop14h 05m
Delta
Thu 7/161:05 pm
SNN
- SAN
1 stop15h 29m
Delta
Deal found 6/9![Delta logo]()
$930
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 7/76:20 am
SAN
- SNN
3 stops17h 10m
United Airlines
Tue 7/1412:30 pm
SNN
- SAN
2 stops19h 24m
United Airlines
Deal found 6/9![United Airlines logo]()
$916
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 7/106:55 pm
SAN
- SNN
2 stops28h 35m
United Airlines
Sun 7/199:30 am
SNN
- SAN
1 stop17h 02m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,046
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Mon 7/1310:49 am
SAN
- SNN
2 stops15h 26m
United Airlines
Tue 7/219:30 am
SNN
- SAN
1 stop13h 55m
United Airlines
Deal found 6/7![United Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Tue 7/2110:35 am
SAN
- SNN
1 stop12h 55m
United Airlines
Tue 7/2812:30 pm
SNN
- SAN
2 stops28h 35m
United Airlines
Deal found 6/6![United Airlines logo]()
$927
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 June 10, 2026.
Search for one-way flight options from San Diego to Shannon. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:46 pm
SAN
- SNN
2 stops34h 39m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$374
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 pm
SAN
- SNN
1 stop14h 45m
British Airways
Deal found 6/9![British Airways logo]()
$439
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:25 pm
SAN
- SNN
2 stops28h 45m
Delta
Deal found 6/8![Delta logo]()
$463
This KAYAK deal was found by Cheapflights users on 6/9. 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 7/189:05 pm
SAN
- SNN
1 stop29h 10m
Lufthansa
Deal found 6/9![Lufthansa logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:23 pm
SAN
- SNN
3 stops46h 12m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 8/297:41 pm
SAN
- SNN
3 stops30h 34m
United Airlines
Deal found 6/10![United Airlines logo]()
$624
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1810:45 pm
SAN
- SNN
2 stops28h 35m
Aer Lingus
Deal found 6/9![Aer Lingus logo]()
$728
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:40 pm
SAN
- SNN
1 stop16h 55m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$740
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $805 (United Airlines) |
One-way from | $374 (Kiwi.com) |
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 June 10, 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 - SNN
SANSNN
San Diego
Tue 9/1
11:48 am-11:10 am
2 stops15h 22m
Shannon
Sat 9/12
1:05 pm-8:48 pm
1 stop15h 43m
$901
San DiegoShannon
SAN - SNN
SANSNN
San Diego
Mon 7/6
6:20 am-7:30 am
3 stops17h 10m
Shannon
Thu 7/16
9:30 am-7:51 pm
2 stops18h 21m
$917
San DiegoShannon
SAN - SNN
SANSNN
San Diego
Mon 7/6
10:30 pm-11:10 am
2 stops28h 40m
Shannon
Thu 7/16
1:05 pm-9:52 am
2 stops28h 47m
$935
San DiegoShannon
SAN - SNN
SANSNN
San Diego
Sun 9/6
7:40 pm-8:35 pm
1 stop16h 55m
Shannon
Thu 9/10
9:15 pm-2:55 pm
1 stop25h 40m
$958
San DiegoShannon
SAN - SNN
SANSNN
San Diego
Fri 7/10
6:55 pm-7:30 am
2 stops28h 35m
Shannon
Sun 7/19
9:30 am-6:32 pm
1 stop17h 02m
$1,046
Cheapest one-way
San DiegoShannon
SAN - SNN
SANSNN
San Diego
Tue 11/3
2:46 pm-9:25 am
2 stops34h 39m
$374
San DiegoShannon
SAN - SNN
SANSNN
San Diego
Sat 8/29
7:41 pm-10:15 am
3 stops30h 34m
$463
Quickest one-way
San DiegoShannon
SAN - SNN
SANSNN
San Diego
Sat 8/29
10:25 pm-11:10 am
2 stops28h 45m
$463
San DiegoShannon
SAN - SNN
SANSNN
San Diego
Sat 7/18
9:05 pm-10:15 am
1 stop29h 10m
$485
San DiegoShannon
SAN - SNN
SANSNN
San Diego
Mon 6/15
8:40 pm-10:25 am
1 stop29h 45m
$732
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 June.
| 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.
Reviews of airlines servicing Shannon
Get insights into the airlines that provide service to Shannon. 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 Shannon. Reviews last updated June 10, 2026.
Read through reviews of airlines operating flights from San Diego to Shannon, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.6
Boarding
7.7
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.6
Boarding
7.7
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
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.
Traveling to a place near Shannon?
Book flights to Shannon if you plan to visit one of these locationsEnnis
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San Diego and Shannon flights
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Top airline flying from San Diego to Shannon
Discover the top airline that operate flights from San Diego to Shannon. 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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$514 | Average$780 | FlexibilityNo cancel fee | On-time69% |