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Cheap flights from Shannon to the United States from £270

SNN — LAX
8 Dec — 15 Dec1
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

Thu 19/1120:05 -
1 stop24h 40m
Thu 26/1119:15 -
1 stop16h 30m
Deal found 8/11£443
Wed 11/1107:50 -
1 stop12h 55m
Wed 18/1119:15 -
1 stop16h 30m
Deal found 4/11£451
Thu 19/1120:05 -
1 stop24h 40m
Wed 25/1119:15 -
1 stop16h 30m
Deal found 8/11£458
Thu 12/1107:50 -
1 stop12h 55m
Thu 26/1119:15 -
1 stop16h 30m
Deal found 4/11£460
Fri 13/1120:05 -
1 stop24h 40m
Sun 22/1119:15 -
1 stop16h 30m
Deal found 3/11£460
Thu 19/1114:00 -
Nonstop7h 15m
Thu 26/1118:50 -
Nonstop6h 00m
Deal found 8/11£461
Sun 6/1214:40 -
Nonstop7h 40m
Wed 30/1218:50 -
Nonstop6h 20m
Deal found 8/11£493
Tue 22/1214:40 -
Nonstop7h 40m
Tue 29/1218:50 -
Nonstop6h 20m
Deal found 7/11£496
Sun 6/1220:05 -
1 stop22h 10m
Wed 30/1218:50 -
Nonstop6h 20m
Deal found 8/11£508
Fri 20/1120:05 -
1 stop25h 05m
Mon 7/1218:10 -
1 stop17h 35m
Deal found 5/11£518
Tue 22/1220:05 -
1 stop20h 15m
Tue 29/1218:50 -
Nonstop6h 20m
Deal found 7/11£545
Thu 12/1120:05 -
1 stop25h 05m
Wed 25/1118:30 -
2 stops41h 15m
Deal found 3/11£564

Find flight deals from Shannon to USA

Round-trip from

£443

One-way from

£270

Popular in

July

Cheapest in

January

Average price

£481
British Airways
  • British Airways
  • 19/11-26/11
  • 2 total stops
  • 41h 10m total
  • Shannon to USA
Search Deals
17/2-31/12
  • 17/2-31/12
  • 3 total stops
  • 30h 10m total
  • Shannon to USA
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£47 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
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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

Wed 17/2

18:55-20:05

3 stops30h 10m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£270

ShannonBoston

SNN Shannon - BOS Boston Logan Intl

SNNBOS

Shannon

Mon 1/2

08:25-18:25

2 stops15h 00m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£314

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Wed 18/11

16:20-20:05

3 stops56h 45m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£350

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Wed 17/2

07:50-16:00

1 stop13h 10m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£353

ShannonBoston

SNN Shannon - BOS Boston Logan Intl

SNNBOS

Shannon

Wed 17/3

07:50-15:20

1 stop11h 30m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£388

ShannonBoston

SNN Shannon - BOS Boston Logan Intl

SNNBOS

Shannon

Fri 23/4

16:55-22:35

1 stop10h 40m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£388

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Sun 2/5

07:30-15:20

1 stop12h 50m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£388
Fastest return journey

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Wed 18/11

14:40-17:20

Nonstop7h 40m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£409

ShannonBoston

SNN Shannon - BOS Boston Logan Intl

SNNBOS

Shannon

Mon 11/1

20:05-14:20

1 stop23h 15m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£421

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Sat 26/12

07:50-07:00

2 stops28h 10m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£423

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 45 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 £332). Flying from Shannon, Clare to USA in July is currently the most expensive (average of £623). 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
1,883 reviews
Check prices

Entertainment

7.0

Comfort

7.2

Crew

8.1

Boarding

7.5

Food

6.7

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Aer Lingus
7.3
Good
1,883 reviews
Aer Lingus
7.3
Good
1,883 reviews
Check prices

Entertainment

7.0

Comfort

7.2

Crew

8.1

Boarding

7.5

Food

6.7

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.

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 24h 40m. There are 2885 mi between Shannon, Clare and USA.

  • 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 £332). Flying from Shannon, Clare to USA in July is currently the most expensive (average of £623). 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£481Average£573FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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

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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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