$290+ Cheap flights from Pasadena, 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Pasadena 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 Pasadena to Shannon
Keep the following information in mind while searching for Pasadena to Shannon flight deals. Data was last updated October 30, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $519 (American Airlines) |
One-way from | $290 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $678 |
Find flight deals from Pasadena to Shannon
Best flights from Pasadena to ShannonDiscover carefully curated flight deals from Pasadena to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.
Discover carefully curated flight deals from Pasadena to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.
This American Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines deal was found by Cheapflights users on 10/29. 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.
This American Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines deal was found by Cheapflights users on 10/29. 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.
This American Airlines deal was found by Cheapflights users on 10/29. 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 10/29. 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.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Pasadena 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
3:30 pm-3:45 pm
1 stop16h 15m
Shannon
Fri 2/6
7:50 am-8:25 pm
1 stop20h 35m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Wed 4/1
3:35 pm-4:10 pm
1 stop16h 35m
Shannon
Thu 4/30
7:40 am-6:25 pm
1 stop18h 45m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Wed 4/1
4:25 pm-4:10 pm
1 stop15h 45m
Shannon
Tue 4/7
9:15 pm-6:05 pm
1 stop28h 50m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Sat 3/28
1:30 pm-7:35 pm
1 stop23h 05m
Shannon
Wed 4/8
7:40 am-6:05 pm
1 stop18h 25m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Fri 4/3
6:15 am-10:15 am
2 stops20h 00m
Shannon
Tue 4/7
12:30 pm-7:14 am
2 stops26h 44m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Fri 4/3
6:15 am-10:15 am
2 stops20h 00m
Shannon
Thu 4/9
12:30 pm-7:29 am
2 stops26h 59m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Sun 2/8
12:15 pm-7:20 pm
2 stops23h 05m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Sun 2/8
7:25 pm-4:45 pm
1 stop13h 20m
Los AngelesShannon
LAX - SNN
LAXSNN
Los Angeles
Sat 11/8
6:00 am-5:55 am
1 stop15h 55m
Best time to book a flight from Pasadena to Shannon
Have a flexible travel schedule? Discover the best time to fly to Shannon from Pasadena with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Pasadena to Shannon
How far ahead should I book a flight from Pasadena to Shannon, Clare?
Use this chart to determine the optimal time to book a round-trip flight from Pasadena to Shannon. Price data was last updated on October 24, 2025.
To ensure you get the cheapest price possible for a flight from Pasadena to Shannon, Clare, you should look to book at least 31 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 Pasadena to Shannon, Clare?
Currently, November is the cheapest month in which you can book a flight from Pasadena to Shannon, Clare (average of $461). Flying from Pasadena to Shannon, Clare in June is currently the most expensive (average of $755). 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 P4S to SNN?
Find hourly flight availability from Pasadena 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 October 30, 2025.
It’s typically best to fly out from Pasadena to Shannon, Clare in the evening. Doing so could potentially save you 13% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Pasadena to Shannon, Clare?
Use this chart to determine the cheapest time to fly round-trip from Pasadena to Shannon. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Pasadena 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 October 30, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Pasadena to Shannon. 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.
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Crew
Overall
Boarding
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Pasadena 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?
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Alternative routes for Pasadena to Shannon
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Pasadena to Shannon
Discover the top 4 airlines that operate flights from Pasadena 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 October 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$705 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$645 | Average$943 | 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% |