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Cheap flights from St. Louis to Shannon from €399

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 30/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Shannon

Cheap return flights

These are some of the best return flight deals from St. Louis to Shannon that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Shannon.

Cheap last-minute flights

Planning a quick getaway from St. Louis to Shannon? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Shannon, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from St. Louis to Shannon

Find recent round-trip train or bus tickets from St. Louis to Shannon.

All round-trip flight deals to Shannon

The cheapest plane tickets to Shannon found on KAYAK recently.
11:57 - 11:30STL-SNN
17h 33m2 stops
07:45 - 23:57SNN-STL
22h 12m2 stops
€717American Airlines
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Thu, 20 Feb - Sat, 1 Mar
09:25 - 06:15STL-SNN
14h 50m1 stop
14:00 - 23:57SNN-STL
15h 57m2 stops
€810American Airlines
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Thu, 20 Feb - Sat, 1 Mar
09:25 - 06:15STL-SNN
14h 50m1 stop
14:45 - 13:51SNN-STL
29h 06m1 stop
€814American Airlines
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Thu, 20 Feb - Sat, 1 Mar
15:50 - 16:45STL-SNN
18h 55m2 stops
07:45 - 21:46SNN-STL
20h 01m3 stops
€823
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Thu, 20 Feb - Sat, 1 Mar
13:03 - 11:30STL-SNN
16h 27m3 stops
07:45 - 21:46SNN-STL
20h 01m3 stops
€1,115Air Canada
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Thu, 20 Feb - Sat, 1 Mar
17:18 - 10:30STL-SNN
35h 12m2 stops
09:30 - 20:59SNN-STL
17h 29m2 stops
€1,175United Airlines
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Fri, 16 May - Sat, 7 Jun
15:50 - 16:45STL-SNN
18h 55m2 stops
07:45 - 15:06SNN-STL
37h 21m2 stops
€1,241
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Tue, 17 Dec - Mon, 23 Dec
09:25 - 06:15STL-SNN
14h 50m1 stop
14:45 - 08:42SNN-STL
23h 57m1 stop
€1,280American Airlines
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Tue, 17 Dec - Mon, 23 Dec
09:51 - 06:15STL-SNN
14h 24m2 stops
14:45 - 08:42SNN-STL
23h 57m1 stop
€1,285American Airlines
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Tue, 17 Dec - Mon, 23 Dec
13:05 - 11:30STL-SNN
16h 25m3 stops
07:45 - 10:47SNN-STL
33h 02m3 stops
€1,615Air Canada
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Tue, 17 Dec - Mon, 23 Dec
17:05 - 19:30STL-SNN
44h 25m3 stops
€399
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Thu, 30 Jan
12:00 - 11:30STL-SNN
17h 30m2 stops
€444American Airlines
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Thu, 30 Jan
13:30 - 06:15STL-SNN
10h 45m1 stop
€542American Airlines
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Thu, 30 Jan
13:40 - 11:20STL-SNN
15h 40m2 stops
€572American Airlines
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Tue, 13 May
17:40 - 10:30STL-SNN
10h 50m1 stop
€655United Airlines
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Tue, 13 May
10:30 - 05:25STL-SNN
12h 55m1 stop
€669American Airlines
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Tue, 13 May
15:50 - 11:30STL-SNN
13h 40m2 stops
€3,361
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Thu, 30 Jan
13:02 - 11:30STL-SNN
16h 28m3 stops
€3,396Air Canada
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Thu, 30 Jan
09:25 - 06:15STL-SNN
14h 50m1 stop
€4,744Aer Lingus
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Thu, 30 Jan

American Airlines flights from St. Louis to Shannon

Our best American Airlines deals on St. Louis to Shannon flight tickets
American Airlines
20 Feb
STL11:57Lambert-St Louis
17h 33m
2 stops
SNN11:30Shannon
1 Mar
SNN07:45Shannon
22h 12m
2 stops
STL23:57Lambert-St Louis
American Airlines
20 Feb
STL09:25Lambert-St Louis
14h 50m
1 stop
SNN06:15Shannon
1 Mar
SNN14:00Shannon
15h 57m
2 stops
STL23:57Lambert-St Louis
American Airlines
20 Feb
STL09:25Lambert-St Louis
14h 50m
1 stop
SNN06:15Shannon
1 Mar
SNN14:45Shannon
29h 06m
1 stop
STL13:51Lambert-St Louis

Air Canada flights from St. Louis to Shannon

Our best Air Canada deals on St. Louis to Shannon flight tickets
Air Canada
20 Feb
STL13:03Lambert-St Louis
16h 27m
3 stops
SNN11:30Shannon
1 Mar
SNN07:45Shannon
20h 01m
3 stops
STL21:46Lambert-St Louis
€1,115
Find similar
Air Canada
17 Dec
STL13:05Lambert-St Louis
16h 25m
3 stops
SNN11:30Shannon
23 Dec
SNN07:45Shannon
33h 02m
3 stops
STL10:47Lambert-St Louis
€1,615
Find similar

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

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 cheapest month to fly from St. Louis to Shannon?

December. The cheapest time of year to fly to Shannon from St. Louis is December. The most expensive is March.

What is the cheapest St. Louis to Shannon flight route?

Lambert-St Louis - Shannon. Fly from Lambert-St Louis to Shannon for the best St. Louis - Shannon flight prices

Can stopping save me money on St. Louis to Shannon flights?

You could potentially save up to 18% on your flight if you consider stops on a St. Louis to Shannon flight.

When to book flights from St. Louis to Shannon

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

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

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

Best price found

€399

Fastest flight time

10h 45m

Direct flights

None

Airports in Shannon

1 airport
The best one-way flight to Shannon from St. Louis in the past 72 hours is €399. The best return flight deal from St. Louis to Shannon found on momondo in the last 72 hours is €717.
The fastest flight from St. Louis to Shannon takes 10h 45m
There are no direct flights from St. Louis to Shannon. Popular non-direct route for this connection is Lambert-St Louis Airport - Shannon Airport.
There is 1 airport near Shannon: Shannon (SNN)

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

    Shannon is 6155.2 km away from Lambert-St Louis. 12h 55m 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.


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.


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