SAN - SNN

$554 Find Cheap Flights from San Diego to Shannon

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Diego to Shannon departing on 5/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Shannon

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Diego to Shannon, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Diego to Shannon, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$770
United Airlines
Mon 8/24Fri 8/28
SAN - SNN • 1 stop
Cheapest one-way
$554
Multiple Airlines
Fri 5/22
SAN - SNN • 3 stops
Top airlines
United Airlines
Cheapest • from $770 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between San Diego and Shannon. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Chicago (ORD)
Cheapest • Avg $790 (round-trip)
Chicago (ORD)
Shortest trip • 12h 48m (one-way)
Insights
Insights
Insights
Insights
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Shannon!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Diego to Shannon (SAN-SNN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Diego to Shannon that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to Shannon

Mon, Aug 24 - Fri, Aug 28
United Airlines Logo
6:35 am - 10:15 am
SAN
-
SNN
19h 40m
1 stop
United Airlines Logo
12:30 pm - 7:53 pm
SNN
-
SAN
15h 23m
1 stop
$770United Airlines
Mon, Aug 24 - Fri, Aug 28
United Airlines Logo
11:00 am - 10:15 am
SAN
-
SNN
15h 15m
2 stops
United Airlines Logo
9:30 am - 7:55 pm
SNN
-
SAN
18h 25m
2 stops
$775United Airlines
Tue, Aug 25 - Fri, Aug 28
United Airlines Logo
10:44 am - 7:30 am
SAN
-
SNN
12h 46m
1 stop
United Airlines Logo
12:30 pm - 7:53 pm
SNN
-
SAN
15h 23m
1 stop
$834United Airlines
Sat, Sep 12 - Sun, Sep 20
United Airlines Logo
4:06 pm - 7:30 am
SAN
-
SNN
31h 24m
2 stops
United Airlines Logo
12:30 pm - 9:05 am
SNN
-
SAN
28h 35m
2 stops
$835United Airlines
Sun, Sep 13 - Sun, Sep 20
United Airlines Logo
10:44 am - 7:30 am
SAN
-
SNN
12h 46m
1 stop
United Airlines Logo
9:30 am - 9:32 am
SNN
-
SAN
32h 02m
1 stop
$837United Airlines
Tue, Aug 25 - Fri, Aug 28
United Airlines Logo
11:00 am - 10:15 am
SAN
-
SNN
15h 15m
2 stops
United Airlines Logo
9:30 am - 7:55 pm
SNN
-
SAN
18h 25m
2 stops
$839United Airlines
Sun, Sep 13 - Sun, Sep 20
United Airlines Logo
6:20 am - 10:15 am
SAN
-
SNN
19h 55m
2 stops
United Airlines Logo
9:30 am - 9:32 am
SNN
-
SAN
32h 02m
1 stop
$842United Airlines
Tue, May 26 - Tue, Jun 2
United Airlines Logo
6:40 am - 10:15 am
SAN
-
SNN
19h 35m
1 stop
United Airlines Logo
9:30 am - 6:30 pm
SNN
-
SAN
17h 00m
1 stop
$847United Airlines
Tue, May 26 - Tue, Jun 2
United Airlines Logo
6:40 am - 10:15 am
SAN
-
SNN
19h 35m
2 stops
United Airlines Logo
12:30 pm - 7:52 pm
SNN
-
SAN
15h 22m
1 stop
$852United Airlines
Sat, Sep 12 - Sun, Sep 20
Delta Logo
10:40 pm - 11:10 am
SAN
-
SNN
28h 30m
2 stops
Delta Logo
1:05 pm - 11:43 pm
SNN
-
SAN
18h 38m
1 stop
$899Delta
Booking Insights

KAYAK's insights & trends for San Diego to Shannon flights

Get data-powered insights and trends into flights from San Diego to Shannon to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from San Diego to Shannon?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from San Diego to Shannon were found on United Airlines ($770) and Delta ($899).

Find deals

Good to know

Cheapest flight$554
Flight from San Diego to Shannon

When to book flights from San Diego to Shannon

Are your dates flexible? Find out the best times to travel from San Diego to Shannon based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Diego to Shannon

  • What is the cheapest flight from San Diego to Shannon?

    In the last 3 days, the lowest price for a flight from San Diego to Shannon was $554 for a one-way ticket and $770 for a round-trip.

  • Do I need a passport to fly between San Diego and Shannon?

    Yes, you’ll need a passport to travel to Shannon from San Diego.

  • Which airports will I be using when flying from San Diego to Shannon?

    When flying out of San Diego you will be using San Diego. You will be landing at Shannon, also known as Shannon.

  • Which aircraft models fly most regularly from San Diego to Shannon?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from San Diego to Shannon?

    oneworld, and Star Alliance are the airline alliances operating flights between San Diego and Shannon, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from San Diego to Shannon, United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from San Diego to Shannon are United Airlines and American Airlines. With an average price for the route of $840 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $683 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from San Diego to Shannon?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Diego to Shannon.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Diego to Shannon?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from San Diego is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Diego to Shannon?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Shannon with an airline and back to San Diego with another airline. Booking your flights between San Diego and SNN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Diego to Shannon?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from San Diego up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from San Diego to Shannon

 
See real verified KAYAK customer reviews for airlines flying from San Diego to Shannon. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Diego to Shannon? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9675 reviews
7.7Boarding
6.6Food
7.3Comfort
7.1Entertainment
8.1Crew
Airline reviews

Some crew were unfriendly or in some cases just straight up rude.

6.0 GoodAnonymous, Apr 2026
SFO - YVR
Read more United Airlines reviews

Some crew were unfriendly or in some cases just straight up rude.

Booked through Kayak Business, had a seat in middle and towards back due to booking rate, not comfortable.

Outstanding service, efficient & friendly crew, flight was safe, comfortable & on time

United Airline crews were very friendly and very attentive. 12 hours flight was gone like in a shorter one.

Food was surprisingly delicious. Space in the seat is horrible when the seating front is reclined. Movie offerings were terrible. Crew was friendly and helpful.

Flight itself excellent, but delayed so missed connection & got to destination 2 hrs later

Due to cancellation of connecting flight (Lufthansa) I didn’t fly with United

It was a red-eye, but the flight felt surprisingly quick. The seats were very comfortable, and that made resting much easier. I also want to thank the gentleman seated next to me, who graciously moved so my mom could sit beside me. We slept almost the entire way. The cabin crew was respectful in not disturbing us, while also being courteous and professional throughout. Thank you, United.

Boarding was again a "free for all". We were boarding group 4, and almost the entire plane was able to board before us. It's a shame that someone who follows the rules, gets the short end of the stick. Not fair.

It was perfect! I've never flown with United before, but I definitely will in the future

Left early arrived early..right amount of talking from pilots..of course had to love the biscuit and water!

Boarding gate at LAX was too crowded—two gates next to one another

On time departure and early arrival. Flight attendant very nice.

The business class layout of chairs was weired. You are sitting directly across stranger.,

The SFO Lounge crew were amazing. The bartender Faris was great. Thanks!

Friendly crew is the only nice thing. Seats uncomfortable. Food and snacks horrible. Movies were the same as the first 10 hour flight two weeks before

Was not able to do a online check-in because the American Airlines system doesn't store our visa or other passport information, allowing us to have a trouble-free check-in. We were forced to have to check-in at the counter which Changes are upgrade status given that we were not able to check in much earlier.

Good flight, seated and had a water within 5 minutes. Crew was hospitable.

We left at 1030 am pacific from LA and supposed to land at 7 pm Eastern in NY. They made a detour, stopped in Philadelphia and didn’t land till 1130 PM Eastern!!! Worst flight experience with no pilot communication with no explanation as to what was going on. Everyone was very frustrated to say the least.

I cancelled my ticket less than 24 hours deadline but I didn’t get refunded.

Everything you need to know for your flight from San Diego to Shannon

Information on your arrival and departure airports

San Diego (SAN)
Shannon (SNN)