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Cheap flights from Shannon to the United States from £269

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — LAX
17 Jun — 24 Jun1
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
Explore the most affordable flight options available from Shannon to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 May 2026.

Wed 3/613:05
SNN
-
PHL
2 stops24h 50m
Delta
Tue 9/609:46
PHL
-
SNN
2 stops20h 24m
Delta
Deal found 17/5£408
Thu 4/621:15
SNN
-
LGA
2 stops27h 11m
British Airways
Sun 7/615:09
LGA
-
SNN
2 stops24h 26m
British Airways
Deal found 16/5£498
Tue 16/621:15
SNN
-
LGA
2 stops43h 50m
British Airways
Mon 29/615:09
LGA
-
SNN
2 stops24h 26m
British Airways
Deal found 14/5£500
Thu 4/607:30
SNN
-
EWR
2 stops19h 55m
British Airways
Sun 7/617:50
EWR
-
SNN
1 stop12h 30m
British Airways
Deal found 12/5£501
Sat 13/617:25
SNN
-
LGA
2 stops42h 58m
British Airways
Mon 29/615:09
LGA
-
SNN
2 stops24h 26m
British Airways
Deal found 14/5£501
Wed 3/616:50
SNN
-
PHL
1 stop27h 35m
British Airways
Tue 9/618:45
PHL
-
SNN
1 stop20h 50m
British Airways
Deal found 17/5£511
Mon 15/611:00
SNN
-
LGA
1 stop13h 26m
Multiple Airlines
Mon 29/609:00
LGA
-
SNN
1 stop15h 25m
Multiple Airlines
Deal found 14/5£511
Thu 18/621:15
SNN
-
EWR
2 stops31h 23m
British Airways
Mon 29/617:27
EWR
-
SNN
2 stops22h 08m
British Airways
Deal found 14/5£513
Mon 15/611:00
SNN
-
LGA
1 stop13h 26m
American Airlines
Mon 29/610:30
LGA
-
SNN
1 stop13h 55m
American Airlines
Deal found 14/5£518
Mon 25/507:30
SNN
-
PHL
1 stop12h 55m
British Airways
Mon 1/617:40
PHL
-
SNN
2 stops21h 55m
British Airways
Deal found 17/5£522
Fri 5/621:15
SNN
-
PHL
2 stops27h 53m
British Airways
Mon 8/615:28
PHL
-
SNN
2 stops14h 52m
British Airways
Deal found 14/5£528
Thu 17/912:30
SNN
-
EWR
Nonstop7h 25m
United Airlines
Tue 22/913:00
EWR
-
SNN
2 stops13h 30m
United Airlines
Deal found 17/5£548

Find flight deals from Shannon to USA

Keep the following information in mind while searching for Shannon to USA flight deals. Data was last updated 18 May 2026.

Round-trip from

£408

One-way from

£269

Popular in

August

Cheapest in

November

Average price

£470
Delta
  • Delta
  • 3/6-9/6
  • 4 total stops
  • 45h 14m total
  • Shannon to USA
Search Deals
17/6
  • 17/6
  • 3 total stops
  • 41h 10m total
  • Shannon to USA
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Shannon to USA that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 May 2026.
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

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

13:05-08:55

2 stops24h 50m

Philadelphia

Tue 9/6

09:46-11:10

2 stops20h 24m

£408

ShannonNewark

SNN - EWR

SNNEWR

Shannon

Thu 4/6

07:30-23:17

2 stops20h 47m

Newark

Sun 7/6

21:25-20:35

1 stop18h 10m

£504

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Fri 5/6

21:15-15:25

1 stop23h 10m

Philadelphia

Mon 8/6

18:45-11:20

1 stop11h 35m

£511

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Thu 11/6

07:30-15:25

1 stop12h 55m

Philadelphia

Mon 15/6

22:10-16:10

1 stop13h 00m

£511

ShannonPhiladelphia

SNN - PHL

SNNPHL

Shannon

Wed 3/6

21:15-12:10

1 stop19h 55m

Philadelphia

Tue 9/6

15:28-11:20

2 stops14h 52m

£511

ShannonNewark

SNN - EWR

SNNEWR

Shannon

Fri 4/9

09:30-23:59

2 stops19h 29m

Newark

Tue 15/9

13:00-07:30

2 stops13h 30m

£556

ShannonPhoenix

SNN - PHX

SNNPHX

Shannon

Tue 2/6

13:05-20:08

1 stop15h 03m

Phoenix Sky Harbor Intl

Sat 6/6

23:46-11:10

2 stops27h 24m

£631

ShannonNewark

SNN - EWR

SNNEWR

Shannon

Sat 31/10

07:50-20:35

1 stop16h 45m

Newark

Fri 6/11

21:35-15:45

1 stop13h 10m

£635

ShannonPhoenix

SNN - PHX

SNNPHX

Shannon

Thu 28/5

13:05-23:44

1 stop18h 39m

Phoenix Sky Harbor Intl

Mon 1/6

12:20-11:10

1 stop14h 50m

£637

ShannonPhoenix

SNN - PHX

SNNPHX

Shannon

Thu 28/5

13:05-08:25

2 stops27h 20m

Phoenix Sky Harbor Intl

Mon 1/6

12:20-11:10

1 stop14h 50m

£637

Flights are sorted by cheapest return flights first.

Deals found on 15/5

Showing 1-10 of 48 resultsSorted by cheapest first
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3
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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 89 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.

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

Currently, July is the cheapest month in which you can book a flight from Shannon, Clare to USA (average of £182). Flying from Shannon, Clare to USA in February is currently the most expensive (average of £395). 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?

Find hourly flight availability from Shannon to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 May 2026.

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 6% of weekly flights between Shannon and United States have experienced delays in the past year, with the average delay time being 174 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?

Thursday tends to have the lowest number of delays on this route, whereas Saturday 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 2% of flights being delayed.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 18 May 2026.
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
1,563 reviews
Check prices

Food

6.6

Boarding

7.4

Entertainment

7.0

Overall

7.3

Crew

8.1

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.
Aer Lingus
7.3
Good
1,563 reviews
Aer Lingus
7.3
Good
1,563 reviews
Check prices

Food

6.6

Boarding

7.4

Entertainment

7.0

Overall

7.3

Crew

8.1

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.

Related info for your journey

Find useful and relevant information for your journey from Shannon to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 19h 29m. 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, July is the cheapest month in which you can book a flight from Shannon, Clare to USA (average of £182). Flying from Shannon, Clare to USA in February is currently the most expensive (average of £395). 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

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Top airline flying from Shannon to USA

Discover the top airline that operate flights from Shannon to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£370Average£544FlexibilityNo 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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