$259+ Cheap flights from Irvine, CA 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Irvine 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
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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 Irvine to Shannon
Best flights from Irvine to ShannonDiscover carefully curated flight deals from Irvine to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.
Discover carefully curated flight deals from Irvine to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 12/17. 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.
This British Airways deal was found by Cheapflights users on 12/15. 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.
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 12/17. 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.
Find flight deals from Irvine to Shannon
Keep the following information in mind while searching for Irvine to Shannon flight deals. Data was last updated December 18, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $470 (American Airlines) |
One-way from | $259 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $1,405 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Irvine to Shannon that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Fri 1/30
5:30 pm-3:45 pm
1 stop14h 15m
Shannon
Fri 2/6
7:50 am-6:25 pm
1 stop18h 35m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Sat 1/31
5:30 pm-4:45 pm
1 stop15h 15m
Shannon
Sat 2/7
7:50 am-6:30 pm
1 stop18h 40m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Tue 2/17
9:20 am-11:30 am
2 stops18h 10m
Shannon
Fri 2/27
7:50 am-6:25 pm
1 stop18h 35m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Thu 1/29
6:30 am-4:45 pm
2 stops26h 15m
Shannon
Mon 2/2
7:50 am-9:08 pm
2 stops21h 18m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Thu 3/5
5:45 pm-7:25 pm
1 stop17h 40m
Shannon
Mon 3/9
7:50 am-9:25 pm
1 stop20h 35m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Thu 1/29
6:00 pm-4:45 pm
1 stop14h 45m
Shannon
Mon 2/2
7:50 am-6:30 pm
1 stop18h 40m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Fri 1/30
7:00 am-11:59 pm
2 stops32h 59m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Tue 2/3
7:00 am-2:40 pm
2 stops47h 40m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Sat 1/31
6:44 pm-2:10 pm
3 stops59h 26m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Wed 2/4
11:51 am-9:35 pm
3 stops49h 44m
Best time to book a flight from Irvine to Shannon
Have a flexible travel schedule? Discover the best time to fly to Shannon from Irvine with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Irvine to Shannon
How far ahead should I book a flight from Irvine to Shannon, Clare?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to Shannon. Price data was last updated on December 12, 2025.
Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Irvine to Shannon, Clare. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Irvine to Shannon, Clare?
Currently, August is the cheapest month in which you can book a flight from Irvine to Shannon, Clare (average of $469). Flying from Irvine to Shannon, Clare in December is currently the most expensive (average of $905). 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.
What is the cheapest time of day to fly from IR9 to SNN?
Find hourly flight availability from Irvine to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.
It’s optimal to fly from Irvine to Shannon, Clare in the evening. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from Irvine to Shannon, Clare?
Use this chart to determine the cheapest time to fly round-trip from Irvine to Shannon. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Irvine to Shannon, Clare flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 December 18, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Irvine to Shannon to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Entertainment
Boarding
Crew
Overall
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Boarding
Crew
Overall
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Boarding
Crew
Overall
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Boarding
Crew
Overall
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Boarding
Crew
Overall
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Irvine 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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Alternative routes for Irvine to Shannon
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Irvine to Shannon
Discover the top 4 airlines that operate flights from Irvine 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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$486 | Average$706 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$626 | Average$1,029 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$675 | Average$911 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$797 | Average$1,093 | FlexibilityNo cancel fee | On-time70% |