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Cheap flights from Shannon to the United States from £280

SNN — LAX
3 Nov — 10 Nov1
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 4/1214:40 -
Nonstop7h 40m
Tue 8/1218:50 -
Nonstop6h 20m
Deal found 29/9£340
Mon 9/1114:40 -
Nonstop7h 40m
Mon 16/1118:50 -
Nonstop6h 20m
Deal found 30/9£341
Fri 13/1114:00 -
Nonstop7h 15m
Thu 19/1115:00 -
1 stop10h 10m
Deal found 29/9£408
Thu 5/1114:40 -
Nonstop7h 40m
Wed 11/1115:14 -
1 stop9h 36m
Deal found 29/9£408
Fri 4/1214:40 -
Nonstop7h 40m
Mon 7/1215:45 -
1 stop9h 05m
Deal found 29/9£408
Fri 13/1114:00 -
1 stop12h 29m
Fri 20/1118:50 -
Nonstop6h 20m
Deal found 29/9£413
Fri 4/1214:40 -
Nonstop7h 40m
Mon 7/1218:50 -
Nonstop6h 20m
Deal found 29/9£432
Thu 5/1120:05 -
1 stop24h 40m
Thu 12/1121:25 -
1 stop14h 20m
Deal found 3/10£452
Wed 23/1220:05 -
1 stop23h 15m
Fri 1/121:30 -
1 stop13h 15m
Deal found 1/10£456
Sat 7/1107:50 -
1 stop12h 55m
Sat 14/1118:45 -
1 stop11h 45m
Deal found 30/9£457
Mon 9/1120:05 -
2 stops24h 35m
Mon 16/1116:25 -
2 stops16h 35m
Deal found 30/9£457
Thu 26/1120:05 -
2 stops27h 20m
Wed 2/1221:30 -
1 stop16h 55m
Deal found 2/10£462

Find flight deals from Shannon to USA

Round-trip from

£340

One-way from

£280

Popular in

July

Cheapest in

November

Average price

£525
Aer Lingus
  • Aer Lingus
  • 4/12-8/12
  • Nonstop
  • 14h 00m total
  • Shannon to USA
Search Deals
30/11-31/12
  • 30/11-31/12
  • 3 total stops
  • 35h 35m total
  • Shannon to USA
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Mon 30/11

12:30-19:05

3 stops35h 35m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£280

ShannonBoston

SNN Shannon - BOS Boston Logan Intl

SNNBOS

Shannon

Wed 25/11

10:15-14:13

3 stops32h 58m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£312

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Mon 30/11

14:40-17:20

Nonstop7h 40m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£333

ShannonChicago

SNN Shannon - ORD Chicago O'Hare Intl

SNNORD

Shannon

Fri 26/3

07:50-14:45

1 stop11h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£395

ShannonBoston

SNN Shannon - BOS Boston Logan Intl

SNNBOS

Shannon

Thu 5/11

14:00-16:15

Nonstop7h 15m

Boston Logan Intl

Wed 11/11

09:42-06:10

1 stop15h 28m

£408

ShannonBoston

SNN Shannon - BOS Boston Logan Intl

SNNBOS

Shannon

Fri 13/11

14:00-16:15

Nonstop7h 15m

Boston Logan Intl

Thu 19/11

15:00-06:10

1 stop10h 10m

£408

ShannonBoston

SNN Shannon - BOS Boston Logan Intl

SNNBOS

Shannon

Wed 13/1

07:50-14:20

1 stop11h 30m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£440

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Tue 29/12

07:50-20:10

1 stop17h 20m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£440

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Sun 27/12

20:05-20:10

1 stop29h 05m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£440

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Sun 29/11

17:30-18:40

1 stop30h 10m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£440

Flights are sorted by cheapest return flights first.

Deals found on 3/10

Showing 1-10 of 48 resultsSorted by cheapest first
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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 £331). Flying from Shannon, Clare to USA in August is currently the most expensive (average of £625). 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 205 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
1,811 reviews
Check prices

Crew

8.1

Food

6.7

Entertainment

7.0

Comfort

7.2

Boarding

7.4

Overall

7.3

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
1,811 reviews
Aer Lingus
7.3
Good
1,811 reviews
Check prices

Crew

8.1

Food

6.7

Entertainment

7.0

Comfort

7.2

Boarding

7.4

Overall

7.3

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 15h 35m. There are 2885 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 - New York LaGuardia 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 £331). Flying from Shannon, Clare to USA in August is currently the most expensive (average of £625). 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£485Average£577FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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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.

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