Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from St. Louis to Shannon from €259

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Shannon departing on 15/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
Voted the Winner of Europe's Best Travel App 2023

Find the cheapest flights from St. Louis to Shannon

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
08:50 - 07:30
STL
-
SNN
16h 40m
1 stop
United Airlines Logo
09:30 - 22:01
SNN
-
STL
18h 31m
1 stop
€682United Airlines
Sun, 16 Aug - Fri, 28 Aug
United Airlines Logo
16:50 - 10:15
STL
-
SNN
11h 25m
1 stop
United Airlines Logo
09:30 - 15:38
SNN
-
STL
12h 08m
1 stop
€683United Airlines
Sun, 16 Aug - Fri, 28 Aug
Delta Logo
15:39 - 11:10
STL
-
SNN
13h 31m
2 stops
Delta Logo
13:05 - 09:37
SNN
-
STL
26h 32m
2 stops
€686Delta
Sun, 16 Aug - Fri, 28 Aug
United Airlines Logo
07:00 - 10:15
STL
-
SNN
21h 15m
1 stop
United Airlines Logo
09:30 - 18:16
SNN
-
STL
14h 46m
1 stop
€687United Airlines
Wed, 2 Sep - Wed, 9 Sep
Air France Logo
11:00 - 11:10
STL
-
SNN
18h 10m
2 stops
Air France Logo
13:05 - 19:58
SNN
-
STL
36h 53m
2 stops
€688Air France
Wed, 2 Sep - Wed, 9 Sep
United Airlines Logo
07:00 - 10:15
STL
-
SNN
21h 15m
1 stop
United Airlines Logo
12:30 - 22:59
SNN
-
STL
16h 29m
2 stops
€692United Airlines
Wed, 2 Sep - Wed, 9 Sep
United Airlines Logo
08:00 - 07:30
STL
-
SNN
17h 30m
1 stop
United Airlines Logo
12:30 - 23:38
SNN
-
STL
17h 08m
1 stop
€725United Airlines
Wed, 9 Sep - Tue, 22 Sep
United Airlines Logo
16:50 - 10:15
STL
-
SNN
11h 25m
1 stop
United Airlines Logo
09:30 - 22:00
SNN
-
STL
18h 30m
1 stop
€726United Airlines
Tue, 11 Aug - Tue, 18 Aug
United Airlines Logo
08:00 - 10:15
STL
-
SNN
20h 15m
2 stops
United Airlines Logo
12:30 - 10:10
SNN
-
STL
27h 40m
2 stops
€729United Airlines
Wed, 9 Sep - Tue, 22 Sep
United Airlines Logo
16:40 - 10:15
STL
-
SNN
35h 35m
2 stops
United Airlines Logo
12:30 - 23:38
SNN
-
STL
17h 08m
1 stop
€730United Airlines
Sat, 5 Sep - Sat, 19 Sep

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from St. Louis to Shannon, Clare

Our best United Airlines deals on St. Louis to Shannon, Clare flight tickets
United Airlines
16 Aug
STL08:50Lambert-St Louis
16h 40m
1 stop
SNN07:30Shannon
28 Aug
SNN09:30Shannon
18h 31m
1 stop
STL22:01Lambert-St Louis
€682
United Airlines
16 Aug
STL16:50Lambert-St Louis
11h 25m
1 stop
SNN10:15Shannon
28 Aug
SNN09:30Shannon
12h 08m
1 stop
STL15:38Lambert-St Louis
€683
United Airlines
16 Aug
STL16:50Lambert-St Louis
11h 25m
1 stop
SNN10:15Shannon
28 Aug
SNN12:30Shannon
16h 29m
2 stops
STL22:59Lambert-St Louis
€686

British Airways flights from St. Louis to Shannon, Clare

Our best British Airways deals on St. Louis to Shannon, Clare flight tickets
British Airways
4 Nov
STL18:45Lambert-St Louis
16h 00m
2 stops
SNN16:45Shannon
11 Nov
SNN07:50Shannon
22h 08m
2 stops
STL23:58Lambert-St Louis
€795
British Airways
10 Nov
STL14:50Lambert-St Louis
14h 40m
2 stops
SNN11:30Shannon
12 Nov
SNN20:05Shannon
27h 49m
2 stops
STL17:54Lambert-St Louis
€813
British Airways
10 Nov
STL13:06Lambert-St Louis
16h 24m
2 stops
SNN11:30Shannon
1 Dec
SNN14:00Shannon
15h 58m
2 stops
STL23:58Lambert-St Louis
€829

momondo Fare Finder

 
Customise your flight search to find flights from St. Louis to Shannon, Clare 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, momondo users made 13,528 searches. Data last updated 1 July 2026.
Use the filters below to find and compare flights from St. Louis to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 16/8

08:50-07:30

1 stop16h 40m

Shannon

Fri 28/8

09:30-22:01

1 stop18h 31m

€682
Fastest return journey

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 16/8

16:50-10:15

1 stop11h 25m

Shannon

Fri 28/8

09:30-15:38

1 stop12h 08m

€683

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 16/8

15:39-11:10

2 stops13h 31m

Shannon

Fri 28/8

13:05-09:37

2 stops26h 32m

€686

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 2/9

07:00-10:15

1 stop21h 15m

Shannon

Wed 9/9

09:30-18:16

1 stop14h 46m

€687

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 2/9

11:00-11:10

2 stops18h 10m

Shannon

Wed 9/9

13:05-19:58

2 stops36h 53m

€688

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 2/9

07:00-10:15

1 stop21h 15m

Shannon

Wed 9/9

12:30-22:59

2 stops16h 29m

€692

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 9/9

08:00-07:30

1 stop17h 30m

Shannon

Tue 22/9

12:30-23:38

1 stop17h 08m

€725

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Tue 11/8

16:50-10:15

1 stop11h 25m

Shannon

Tue 18/8

09:30-22:00

1 stop18h 30m

€726

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 9/9

08:00-10:15

2 stops20h 15m

Shannon

Tue 22/9

12:30-10:10

2 stops27h 40m

€729

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sat 5/9

16:40-10:15

2 stops35h 35m

Shannon

Sat 19/9

12:30-23:38

1 stop17h 08m

€730

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

See travel insights to Shannon from

How to get the cheapest flight ticket from St. Louis to Shannon, Clare

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Shannon, Clare?

What is the cheapest month to fly to Shannon, Clare?

The month of January is another great option to travel to Shannon, Clare, with average flight prices from St. Louis averaging around €0.

When to book flights from St. Louis to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Shannon, Clare according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap St. Louis to Shannon, Clare (STL to SNN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Shannon, Clare

Fastest flight time

11h 25m

Direct flights

None
The fastest flight from St. Louis to Shannon, Clare takes 11h 25m
There are no direct flights from St. Louis to Shannon, Clare. There are no popular flight routes from St. Louis to Shannon, Clare.
Search flight deals

Frequently asked questions about flying from St. Louis to Shannon, Clare

  • How far is Lambert-St Louis to Shannon by plane?

    Shannon is 6155.2 km away from Lambert-St Louis. 11h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Shannon Airport?

    Prices for flights from Lambert-St Louis Airport to Shannon Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Lambert-St Louis Airport to Shannon Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The travel and health documents required for your trip to Shannon Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Shannon Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Ennis
Tipperary
Nenagh
Killaloe
Lahinch
Adare
Bunratty

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Shannon?

Finding the right flight to Shannon from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Shannon quick and easy, saving you time and money.

Can I find flights from St. Louis to Shannon with flexible booking policies on momondo?

momondo does allow users to show only those flights to Shannon from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Shannon?

momondo provides multiple filters to help you find the best flight to Shannon from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Shannon right now. Can momondo alert me if prices change?

Price alerts on flights to Shannon from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Shannon, Clare trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 31/7
Fri 7/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland