HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$214+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SNN
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 August 1, 2025.

Round-trip from

$545
(American Airlines)

One-way from

$214
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$822
From Pasadena to Shannon
Search Deals
One-way flight from Pasadena to Shannon
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 1, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 8/111:30 pmLAX - SNN
1 stop18h 40mAmerican Airlines
Wed 8/279:15 pmSNN - LAX
1 stop28h 50mAmerican Airlines
Deal found 7/30$545
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/2311:59 pmLAX - SNN
1 stop23h 31mUnited Airlines
Fri 9/512:30 pmSNN - LAX
1 stop15h 14mUnited Airlines
Deal found 8/1$552
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1611:50 pmLAX - SNN
1 stop27h 20mDelta
Tue 8/261:05 pmSNN - LAX
1 stop15h 00mDelta
Deal found 7/29$595
This Air France deal was found by Cheapflights users on 7/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/169:35 pmLAX - SNN
1 stop29h 35mAir France
Tue 8/261:05 pmSNN - LAX
2 stops18h 01mAir France
Deal found 7/29$599
This SmartFares deal was found by Cheapflights users on 7/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:05 pmLAX - SNN
1 stop16h 30mAer Lingus
Wed 10/298:05 pmSNN - LAX
1 stop27h 45mAer Lingus
Deal found 7/30$741
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:35 amLAX - SNN
3 stops27h 00mMultiple Airlines
Mon 9/2212:40 pmSNN - LAX
2 stops34h 00mMultiple Airlines
Deal found 7/31$770
This Priceline deal was found by Cheapflights users on 7/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:50 amLAX - SNN
2 stops20h 00mAir Canada
Fri 10/318:05 pmSNN - LAX
2 stops47h 43mAir Canada
Deal found 7/31$789

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 August 1, 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

Mon 8/11

1:30 pm-4:10 pm

1 stop18h 40m

Shannon

Wed 8/27

9:15 pm-6:05 pm

1 stop28h 50m

$545

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sat 8/23

11:59 pm-7:30 am

1 stop23h 31m

Shannon

Fri 9/5

12:30 pm-7:44 pm

1 stop15h 14m

$552

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sat 8/16

11:50 pm-11:10 am

1 stop27h 20m

Shannon

Tue 8/26

1:05 pm-8:05 pm

1 stop15h 00m

$595

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sat 8/16

9:35 pm-11:10 am

1 stop29h 35m

Shannon

Tue 8/26

1:05 pm-11:06 pm

2 stops18h 01m

$599

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Tue 10/21

8:05 pm-8:35 pm

1 stop16h 30m

Shannon

Wed 10/29

8:05 pm-4:50 pm

1 stop27h 45m

$741

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Mon 9/15

5:35 am-4:35 pm

3 stops27h 00m

Shannon

Mon 9/22

12:40 pm-2:40 pm

2 stops34h 00m

$770

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Fri 10/24

11:50 am-3:50 pm

2 stops20h 00m

Shannon

Fri 10/31

8:05 pm-12:48 pm

2 stops47h 43m

$789

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sat 8/16

4:27 pm-4:05 pm

2 stops15h 38m

Shannon

Tue 8/26

9:15 pm-5:06 pm

2 stops27h 51m

$826

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sun 9/21

4:30 pm-4:35 pm

1 stop16h 05m

$214

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sat 8/23

11:59 pm-7:30 am

1 stop23h 31m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 12 results
1
2

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 July 25, 2025.

To ensure you get the cheapest price possible for a flight from Pasadena to Shannon, Clare, you should look to book at least 86 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 $932). 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 August 1, 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 August 1, 2025.
Read reviews from past customers who have flown Delta, Air France, and United 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
7,983 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

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
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

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.
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

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
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

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
7,983 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

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.
Air Canada
7.1
Good
9,855 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

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.

  • 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 $932). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pasadena to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Dublin flights
San Francisco to Dublin flights
Ontario to Dublin flights
Santa Ana to Dublin flights
Burbank to Dublin flights
San Jose to Dublin flights
Oakland to Dublin flights
San Diego to Dublin flights
Sacramento to Dublin flights
Las Vegas to Dublin flights
San Francisco to Cork flights
Los Angeles to Shannon flights
San Francisco to Shannon flights
Long Beach to Dublin flights
Los Angeles to Cork flights
Reno to Dublin flights
Santa Ana to Shannon flights
Ontario to Shannon flights
San Diego to Shannon flights
Santa Barbara to Dublin flights
San Jose to Shannon flights
Fresno to Dublin flights
Sacramento to Shannon flights
Palm Springs to Dublin flights
Las Vegas to Shannon flights
San Jose to Cork flights
Medford to Dublin flights
Arcata to Dublin flights
Santa Rosa to Dublin flights
Ontario to Cork flights
Oakland to Shannon flights
San Jose to Knock flights
San Luis Obispo to Dublin flights
San Francisco to Donegal flights
San Francisco to Milltown (Kerry) flights
Burbank to Shannon flights
San Francisco to Knock flights
San Diego to Cork flights
Santa Barbara to Shannon flights
Redding to Dublin flights
Oakland to Cork flights
Santa Rosa to Shannon flights
Monterey to Dublin flights
Fresno to Shannon flights
Las Vegas to Cork flights

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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$510Average$723FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$654Average$896FlexibilityNo cancel feeOn-time69%
DeltaCheapest$664Average$911FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$797Average$1,093FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.