Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Shannon to the United States from £271

SNN — LAX
22 Oct — 29 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Shannon to USA

Enter your travel dates to find the best prices.

Cheapest flights from Shannon to USA

Fri 16/1012:30 -
Nonstop7h 25m
Fri 23/1022:50 -
Nonstop6h 25m
Deal found 18/9£392
Thu 1/1012:30 -
Nonstop7h 25m
Sat 10/1022:50 -
Nonstop6h 25m
Deal found 18/9£401
Thu 1/1012:30 -
Nonstop7h 25m
Fri 9/1022:50 -
Nonstop6h 25m
Deal found 21/9£402
Tue 6/1012:30 -
Nonstop7h 25m
Wed 21/1022:50 -
Nonstop6h 25m
Deal found 17/9£403
Thu 5/1117:15 -
2 stops26h 30m
Thu 12/1117:05 -
2 stops20h 40m
Deal found 21/9£463
Fri 13/1117:30 -
2 stops25h 25m
Thu 19/1117:30 -
2 stops20h 55m
Deal found 18/9£464
Sun 15/1107:50 -
1 stop16h 45m
Sun 22/1121:35 -
1 stop14h 10m
Deal found 19/9£465
Wed 11/1107:50 -
2 stops16h 23m
Sun 15/1117:45 -
2 stops18h 00m
Deal found 17/9£469
Mon 2/1107:50 -
3 stops35h 05m
Mon 9/1118:30 -
2 stops19h 55m
Deal found 18/9£470
Sun 1/1107:50 -
1 stop13h 25m
Sat 7/1116:25 -
2 stops14h 05m
Deal found 18/9£470
Thu 5/1107:50 -
2 stops16h 23m
Wed 11/1115:29 -
2 stops15h 01m
Deal found 17/9£470
Sun 15/1107:50 -
2 stops16h 23m
Sun 22/1115:30 -
2 stops15h 00m
Deal found 17/9£471

Find flight deals from Shannon to USA

Round-trip from

£392

One-way from

£271

Popular in

July

Cheapest in

November

Average price

£515
Lufthansa
  • Lufthansa
  • 16/10-23/10
  • Nonstop
  • 13h 50m total
  • Shannon to USA
Search Deals
29/11-31/12
  • 29/11-31/12
  • 3 total stops
  • 47h 50m total
  • Shannon to USA
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Shannon to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ShannonNewark

SNN Shannon - EWR Newark

SNNEWR

Shannon

Wed 4/11

18:55-13:55

2 stops48h 00m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£291

ShannonPhiladelphia

SNN Shannon - PHL Philadelphia

SNNPHL

Shannon

Mon 30/11

17:30-16:15

1 stop27h 45m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£356

ShannonNew York

SNN Shannon - LGA New York LaGuardia

SNNLGA

Shannon

Wed 4/11

18:05-14:35

3 stops25h 30m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

ShannonNewark

SNN Shannon - EWR Newark

SNNEWR

Shannon

Tue 6/10

12:30-14:55

Nonstop7h 25m

Newark

Wed 21/10

22:50-10:15

Nonstop6h 25m

£401

ShannonNew Windsor

SNN Shannon - SWF New Windsor Stewart

SNNSWF

Shannon

Wed 4/11

18:55-16:40

3 stops50h 45m

New Windsor Stewart

Wed 31/12

00:00-06:00

Nonstop0h 00m

£422

ShannonNewark

SNN Shannon - EWR Newark

SNNEWR

Shannon

Mon 9/11

07:50-19:35

1 stop16h 45m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£424

ShannonNew York

SNN Shannon - LGA New York LaGuardia

SNNLGA

Shannon

Fri 18/12

14:00-19:20

1 stop10h 20m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£430

ShannonNew York

SNN Shannon - LGA New York LaGuardia

SNNLGA

Shannon

Mon 23/11

07:50-21:29

2 stops18h 39m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£438

ShannonNew York

SNN Shannon - LGA New York LaGuardia

SNNLGA

Shannon

Mon 9/11

07:50-21:29

2 stops18h 39m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£438

ShannonNewark

SNN Shannon - EWR Newark

SNNEWR

Shannon

Thu 3/12

20:05-13:50

1 stop22h 45m

Newark

Wed 9/12

18:30-11:30

1 stop12h 00m

£464

Flights are sorted by cheapest return flights first.

Deals found on 20/9

Showing 1-10 of 46 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Shannon to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Shannon with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Shannon to the United States

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

Currently, January is the cheapest month in which you can book a flight from Shannon, Clare to USA (average of £318). Flying from Shannon, Clare to USA in August is currently the most expensive (average of £617). 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 SNN to US?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Shannon, Clare to USA as you normally would.

How often are flights from Shannon to the United States delayed?

About 7% of weekly flights between Shannon and United States have experienced delays in the past year, with the average delay time being 207 minutes.

What is the most punctual flight time for Shannon to the United States flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Shannon to the United States flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 3% of flights being delayed.

How far ahead should I book a flight from Shannon, Clare to USA?

The best time to book flights from Shannon, Clare to USA is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing USA

Get a feel of what it's like to fly with Aer Lingus from Shannon to the United States by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,781 reviews
Check prices

Crew

8.1

Entertainment

7.0

Comfort

7.2

Overall

7.3

Boarding

7.4

Food

6.7

Reviews

1 / 20
10.0
Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
Aer Lingus
7.3
Good
1,781 reviews
Aer Lingus
7.3
Good
1,781 reviews
Check prices

Crew

8.1

Entertainment

7.0

Comfort

7.2

Overall

7.3

Boarding

7.4

Food

6.7

Reviews

1 / 20
10.0
Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight

Related info for your journey

  • What airport do you fly from for flights from Shannon to United States?

    Most people fly from Shannon (SNN) if they book a flight from Shannon to United States. Shannon is conveniently located just 2.1 mi from Shannon’s city center.

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

    Departing from Shannon, Clare to USA will take you 7h 25m. There are 3085 mi between Shannon, Clare and USA. This flight may include one or multiple stops.

  • What are the most popular routes from Shannon, Clare to USA?

    When deciding which route to take from Shannon, Clare to USA consider Shannon - Providence-TFGreen, Shannon - Austin Bergstrom or Shannon - Newark as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Shannon to USA 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 Shannon, Clare to USA?

    Currently, January is the cheapest month in which you can book a flight from Shannon, Clare to USA (average of £318). Flying from Shannon, Clare to USA in August is currently the most expensive (average of £617). 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Shannon to USA

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£480Average£572FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

How does Cheapflights help users find flights from Shannon to USA?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Shannon to USA. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Shannon to USA?

Cheapflights simply makes it quick and affordable to book flights from Shannon to USA by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Shannon to USA with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Shannon to USA, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Shannon to USA become cheaper?

Of course! You can now track prices for flights from Shannon to USA and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.