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Cheap flights from St. Louis to Shannon from $577

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Shannon departing on 8/23. 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
0 bags
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Mon 6/10
Mon 6/17

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Easily compare round-trip flights from St. Louis to Shannon

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Shannon by changing tabs
KLM
Aug 23
STL10:08 amLambert-St Louis
18h 42m
2 stops
SNN10:50 amShannon
Aug 31
SNN12:50 pmShannon
16h 49m
2 stops
STL11:39 pmLambert-St Louis
American Airlines
Sep 4
STL6:10 pmLambert-St Louis
16h 00m
2 stops
SNN4:10 pmShannon
Sep 11
SNN7:40 amShannon
16h 15m
2 stops
STL5:55 pmLambert-St Louis
United Airlines
Sep 4
STL5:32 pmLambert-St Louis
10h 58m
1 stop
SNN10:30 amShannon
Sep 11
SNN9:30 amShannon
11h 23m
1 stop
STL2:53 pmLambert-St Louis
Delta
Jul 13
STL6:30 amLambert-St Louis
22h 20m
2 stops
SNN10:50 amShannon
Jul 25
SNN12:50 pmShannon
26h 12m
2 stops
STL9:02 amLambert-St Louis
Air Canada
Oct 25
STL12:00 pmLambert-St Louis
21h 45m
2 stops
SNN3:45 pmShannon
Nov 2
SNN7:45 amShannon
18h 36m
3 stops
STL9:21 pmLambert-St Louis
Multiple Airlines
Aug 23
STL12:00 pmLambert-St Louis
17h 20m
2 stops
SNN11:20 amShannon
Aug 31
SNN7:40 amShannon
20h 12m
3 stops
STL9:52 pmLambert-St Louis

United Airlines flights from St. Louis to Shannon

Our best United Airlines deals on St. Louis to Shannon flight tickets
United Airlines
Sep 4
STL5:32 pmLambert-St Louis
10h 58m
1 stop
SNN10:30 amShannon
Sep 11
SNN9:30 amShannon
11h 23m
1 stop
STL2:53 pmLambert-St Louis
United Airlines
Sep 4
STL12:55 pmLambert-St Louis
15h 35m
2 stops
SNN10:30 amShannon
Sep 11
SNN9:30 amShannon
19h 26m
2 stops
STL10:56 pmLambert-St Louis
United Airlines
Aug 23
STL12:55 pmLambert-St Louis
12h 35m
1 stop
SNN7:30 amShannon
Sep 3
SNN9:30 amShannon
16h 17m
1 stop
STL7:47 pmLambert-St Louis

American Airlines flights from St. Louis to Shannon

Our best American Airlines deals on St. Louis to Shannon flight tickets
American Airlines
Sep 4
STL6:10 pmLambert-St Louis
16h 00m
2 stops
SNN4:10 pmShannon
Sep 11
SNN7:40 amShannon
16h 15m
2 stops
STL5:55 pmLambert-St Louis
American Airlines
Oct 25
STL2:41 pmLambert-St Louis
14h 39m
2 stops
SNN11:20 amShannon
Nov 2
SNN7:45 amShannon
18h 46m
2 stops
STL9:31 pmLambert-St Louis
American Airlines
Oct 25
STL10:45 amLambert-St Louis
12h 50m
1 stop
SNN5:35 amShannon
Nov 2
SNN2:00 pmShannon
14h 22m
2 stops
STL11:22 pmLambert-St Louis

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 day to depart St. Louis for Shannon?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Monday

When is the cheapest time to fly from St. Louis to Shannon?

At noon. St. Louis to Shannon flights are approximately 17% more expensive in the morning than at noon

What is the cheapest airline that flies to Shannon from St. Louis?

American Airlines. American Airlines, Lufthansa, and United Airlines are the most popular carriers operating from St. Louis to Shannon

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

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

$577

Fastest flight time

9h 55m

Direct flights

None

Airports in Shannon

1 airport
The best flight deal from St. Louis to Shannon found on momondo in the last 72 hours is $577
The fastest flight from St. Louis to Shannon takes 9h 55m
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?

    The straight-line distance from Lambert-St Louis to Shannon is 3824.7 mi. By plane, this route typically takes 9h 55m.

  • 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 updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Shannon Airport?

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 you'll need for your trip to Shannon Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Shannon Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Best airlines flying from St. Louis to Shannon

Compare and see reviews for airlines that fly from St. Louis to Shannon with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $542Free CancellationRating
7.4
10,703 reviews
Search United Airlines flights
American AirlinesPriceFrom $577Free CancellationRating
7.3
14,229 reviews
Search American Airlines flights
LufthansaPriceFrom $942Free CancellationRating
6.9
7,529 reviews
Search Lufthansa flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Shannon. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Shannon from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Shannon from St. Louis.

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

Yes momondo offers price alerts on flights to Shannon from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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