United's Polaris Business Class offers lie-flat seats and Saks Fifth Avenue bedding for restful long-haul travel.
United's Premium Plus offers larger seats, extra legroom, and upgraded meals on international routes.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $346 (Mytrip) |
One-way from | $171 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $499 |
Good round-trip deal | $416 or less |
Good one-way deal | $268 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkShannon
EWR - SNN
EWRSNN
Newark
mié. 4/22
10:40 pm-10:15 am
Nonstop6h 35m
Shannon
lun. 4/27
12:30 pm-2:50 pm
Nonstop7h 20m
NewarkShannon
EWR - SNN
EWRSNN
Newark
mar. 4/21
10:40 pm-10:15 am
Nonstop6h 35m
Shannon
mar. 4/28
12:30 pm-2:50 pm
Nonstop7h 20m
NewarkShannon
EWR - SNN
EWRSNN
Newark
dom. 4/19
10:40 pm-10:15 am
Nonstop6h 35m
Shannon
lun. 4/27
12:30 pm-2:50 pm
Nonstop7h 20m
NewarkShannon
EWR - SNN
EWRSNN
Newark
mar. 4/21
10:40 pm-10:15 am
Nonstop6h 35m
Shannon
lun. 4/27
12:30 pm-2:50 pm
Nonstop7h 20m
NewarkShannon
EWR - SNN
EWRSNN
Newark
mié. 4/15
10:40 pm-10:15 am
Nonstop6h 35m
Shannon
mar. 4/21
12:30 pm-2:50 pm
Nonstop7h 20m
NewarkShannon
EWR - SNN
EWRSNN
Newark
lun. 4/6
10:40 pm-10:15 am
Nonstop6h 35m
Shannon
lun. 4/13
12:30 pm-2:50 pm
Nonstop7h 20m
New YorkShannon
JFK - SNN
JFKSNN
New York John F Kennedy Intl
jue. 1/29
6:15 pm-4:45 pm
1 stop17h 30m
Shannon
vie. 2/6
7:50 am-7:15 pm
2 stops16h 25m
NewarkShannon
EWR - SNN
EWRSNN
Newark
lun. 4/20
9:25 pm-4:10 pm
1 stop13h 45m
Shannon
dom. 4/26
9:15 pm-1:55 pm
1 stop21h 40m
NewarkShannon
EWR - SNN
EWRSNN
Newark
mié. 1/28
6:30 pm-4:45 pm
1 stop17h 15m
Shannon
vie. 2/6
7:50 am-7:35 pm
1 stop16h 45m
BostonShannon
BOS - SNN
BOSSNN
Boston Logan Intl
mar. 5/5
9:30 am-10:15 am
2 stops19h 45m
Shannon
lun. 5/18
12:30 pm-11:54 pm
2 stops16h 24m
Currently, September is the cheapest month in which you can book a flight from USA to Shannon, Clare (average of $292). Flying from USA to Shannon, Clare in June is currently the most expensive (average of $475). 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.
One of the essential ways to save on airfare from USA to Shannon, Clare is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 13% on airfare.
Travelers seeking maximum savings on their USA to Shannon, Clare flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$244 | Average$774 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$361 | Average$688 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$377 | Average$708 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$378 | Average$796 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$396 | Average$726 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$423 | Average$701 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$592 | Average$851 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$670 | Average$956 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$791 | Average$1,016 | FlexibilityNo cancel fee | On-time62% |