Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Shannon to the United States from £250

SNN — LAX
1 Dec — 8 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

Fri 6/1120:05 -
1 stop24h 40m
Fri 13/1119:15 -
1 stop11h 15m
Deal found 29/10£457
Fri 6/1120:05 -
1 stop24h 40m
Sun 15/1119:15 -
1 stop16h 30m
Deal found 30/10£458
Thu 5/1120:05 -
2 stops26h 55m
Fri 13/1119:15 -
1 stop11h 15m
Deal found 29/10£458
Tue 22/1220:05 -
1 stop24h 50m
Thu 31/1218:35 -
1 stop11h 55m
Deal found 27/10£460
Wed 16/1207:50 -
2 stops15h 35m
Tue 9/221:30 -
1 stop14h 15m
Deal found 28/10£462
Fri 13/1120:05 -
2 stops27h 20m
Sun 22/1119:15 -
1 stop16h 30m
Deal found 29/10£466
Wed 11/1120:05 -
2 stops27h 20m
Tue 17/1119:15 -
1 stop11h 15m
Deal found 28/10£467
Thu 5/1107:50 -
1 stop13h 40m
Thu 12/1120:30 -
1 stop16h 55m
Deal found 29/10£497
Thu 12/1120:05 -
1 stop25h 25m
Mon 16/1120:30 -
1 stop16h 55m
Deal found 31/10£498
Fri 6/1109:25 -
1 stop14h 50m
Thu 12/1121:00 -
1 stop13h 00m
Deal found 27/10£503
Sun 8/1114:40 -
Nonstop7h 40m
Tue 17/1118:50 -
Nonstop6h 20m
Deal found 29/10£505
Thu 26/1120:05 -
1 stop25h 05m
Wed 9/1218:10 -
1 stop12h 20m
Deal found 30/10£513

Find flight deals from Shannon to USA

Round-trip from

£455

One-way from

£250

Popular in

July

Cheapest in

November

Average price

£431
Aer Lingus
  • Aer Lingus
  • 21/1-15/4
  • Nonstop
  • 13h 10m total
  • Shannon to USA
Search Deals
18/1-31/12
  • 18/1-31/12
  • 2 total stops
  • 19h 20m total
  • Shannon to USA
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£49 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
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

Sun 28/2

20:15-20:05

3 stops28h 50m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£317
Fastest return journey

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Sun 28/2

14:40-17:20

Nonstop7h 40m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£341

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Sun 28/2

07:50-14:25

1 stop11h 35m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£350

ShannonBoston

SNN Shannon - BOS Boston Logan Intl

SNNBOS

Shannon

Thu 18/3

07:50-16:25

1 stop12h 35m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£385

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

£385

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Fri 20/11

14:00-19:46

1 stop10h 46m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£416

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Sat 23/1

07:50-22:25

1 stop19h 35m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£417

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Tue 19/1

07:50-11:20

1 stop32h 30m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£417

ShannonNew York

SNN Shannon - JFK New York John F Kennedy Intl

SNNJFK

Shannon

Sun 24/1

20:05-11:20

1 stop20h 15m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£417

ShannonBoston

SNN Shannon - BOS Boston Logan Intl

SNNBOS

Shannon

Thu 25/2

07:50-16:00

1 stop13h 10m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£418

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 43 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 £328). Flying from Shannon, Clare to USA in August is currently the most expensive (average of £618). 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
1,871 reviews
Check prices

Comfort

7.2

Crew

8.1

Entertainment

7.1

Overall

7.3

Food

6.7

Boarding

7.5

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
1,871 reviews
Aer Lingus
7.3
Good
1,871 reviews
Check prices

Comfort

7.2

Crew

8.1

Entertainment

7.1

Overall

7.3

Food

6.7

Boarding

7.5

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 11h 30m. 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 - Newark or Shannon - Austin Bergstrom 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 £328). Flying from Shannon, Clare to USA in August is currently the most expensive (average of £618). 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£479Average£571FlexibilityNo 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.