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Shannon

$438+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SNN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$485
(American Airlines)

One-way from

$438
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$787
From Pasadena to Shannon
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One-way flight from Pasadena to Shannon
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Highest demand for flights based on searches. 19% potential increase in price ($223 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($78 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Pasadena to Shannon

Cheapest flights from Pasadena to Shannon
Explore the most affordable flight options available from Pasadena to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/286:45 pmLAX - SNN
1 stop15h 00mAmerican Airlines
Tue 11/47:50 amSNN - LAX
1 stop18h 40mAmerican Airlines
Deal found 9/13$485
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 10/191:25 pmLAX - SNN
1 stop13h 55mAmerican Airlines
Tue 11/47:50 amSNN - LAX
1 stop15h 30mAmerican Airlines
Deal found 9/13$486
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/71:25 pmLAX - SNN
1 stop23h 10mAmerican Airlines
Fri 10/177:40 amSNN - LAX
1 stop18h 25mAmerican Airlines
Deal found 9/14$565
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/77:15 amLAX - SNN
2 stops19h 00mUnited Airlines
Fri 10/1712:30 pmSNN - LAX
1 stop17h 04mUnited Airlines
Deal found 9/14$572
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/258:30 pmLAX - SNN
1 stop13h 15mAmerican Airlines
Sun 11/237:50 amSNN - LAX
1 stop15h 30mAmerican Airlines
Deal found 9/13$584
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/244:46 pmLAX - SNN
2 stops15h 04mAmerican Airlines
Sat 11/17:50 amSNN - LAX
2 stops21h 04mAmerican Airlines
Deal found 9/13$598
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 11/145:45 pmLAX - SNN
1 stop14h 00mAmerican Airlines
Fri 11/217:50 amSNN - LAX
1 stop18h 35mAmerican Airlines
Deal found 9/15$629

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pasadena 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 September 15, 2025.
Use the filters below to find and compare flights from Pasadena to Shannon that are best for you.

Fly from

Pasadena

Fly to

Shannon

Route

Depart

Return

Price

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Tue 10/28

6:45 pm-4:45 pm

1 stop15h 00m

Shannon

Tue 11/4

7:50 am-6:30 pm

1 stop18h 40m

$485

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Tue 10/7

5:31 am-10:15 am

2 stops20h 44m

Shannon

Fri 10/17

12:30 pm-8:13 pm

1 stop15h 43m

$572

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sat 10/25

8:30 pm-4:45 pm

1 stop13h 15m

Shannon

Sun 11/23

7:50 am-3:20 pm

1 stop15h 30m

$584

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Fri 10/24

2:20 pm-3:50 pm

2 stops17h 30m

Shannon

Sat 11/1

7:50 am-4:10 pm

1 stop15h 20m

$588

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Fri 11/14

5:45 pm-3:45 pm

1 stop14h 00m

Shannon

Fri 11/21

7:50 am-6:25 pm

1 stop18h 35m

$629

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Mon 9/22

9:35 pm-8:35 pm

1 stop15h 00m

Shannon

Mon 10/13

9:15 pm-2:55 pm

1 stop25h 40m

$644

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Fri 10/17

10:15 am-10:15 am

2 stops16h 00m

$438

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sat 9/20

9:30 pm-7:30 am

2 stops26h 00m

$528

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sun 9/21

5:25 am-7:30 am

2 stops18h 05m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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.
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.

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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Pasadena to Shannon, Clare, you should look to book at least 89 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, February is the cheapest month in which you can book a flight from Pasadena to Shannon, Clare (average of $533). Flying from Pasadena to Shannon, Clare in June is currently the most expensive (average of $926). 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 September 15, 2025.

When flying from Pasadena to Shannon, Clare, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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. Tuesday mornings 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 September 15, 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.
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What airport do you fly into for flights to Shannon from Pasadena?

    Shannon (SNN), located 2.1 mi from the city center, is the airport you fly into when you book flights from Pasadena to Shannon. 4 airlines have flights to Shannon from Pasadena on a regular basis. Booking flights from Pasadena to Shannon should not be difficult; the airport handles an average of 0 inbound flights from Pasadena per day.

  • How long is the flight from Pasadena to Shannon, Clare?

    For as low as $485, American Airlines can have you in Shannon, Clare from Pasadena in 15h. Airlines will cover a distance of 5106 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Pasadena to Shannon that include hotel bookings?

    Yes. In addition to deals on Pasadena to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pasadena to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pasadena to Shannon.

  • Can I find deals for business class flights from Pasadena to Shannon?

    Yes. Cheapflights offers flight deals from Pasadena to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pasadena to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Pasadena to Shannon, Clare (average of $533). Flying from Pasadena to Shannon, Clare in June is currently the most expensive (average of $926). 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.

See more FAQs

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$483Average$750FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$654Average$1,007FlexibilityNo cancel feeOn-time69%
DeltaCheapest$675Average$911FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$797Average$1,093FlexibilityNo cancel feeOn-time70%

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