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Cheap flights from St. Louis to Shannon from $539

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 5/13. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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.
1:30 pm - 11:20 amSTL-SNN
15h 50m2 stops
7:40 am - 7:43 pmSNN-STL
18h 03m2 stops
$1,212Air Canada
Find Deal
週五, 5月 16 - 週六, 6月 7
1:30 pm - 3:45 pmSTL-SNN
20h 15m2 stops
7:40 am - 9:04 pmSNN-STL
19h 24m3 stops
$1,222
Find Deal
週五, 5月 16 - 週六, 6月 7
3:44 pm - 10:30 amSTL-SNN
36h 46m2 stops
9:30 am - 3:21 pmSNN-STL
11h 51m1 stop
$1,247United Airlines
Find Deal
週五, 5月 16 - 週六, 6月 7
1:30 pm - 11:20 amSTL-SNN
15h 50m2 stops
12:30 pm - 11:25 pmSNN-STL
16h 55m1 stop
$1,315
Find Deal
週五, 5月 16 - 週六, 6月 7
10:30 am - 5:25 amSTL-SNN
12h 55m1 stop
1:45 pm - 9:07 amSNN-STL
25h 22m1 stop
$1,348American Airlines
Find Deal
週五, 5月 16 - 週六, 6月 7
11:45 am - 7:30 amSTL-SNN
13h 45m1 stop
9:30 am - 2:18 pmSNN-STL
10h 48m1 stop
$1,702United Airlines
Find Deal
週五, 6月 13 - 週六, 7月 5
8:00 am - 7:30 amSTL-SNN
17h 30m1 stop
9:30 am - 8:21 pmSNN-STL
16h 51m2 stops
$1,706United Airlines
Find Deal
週五, 6月 13 - 週六, 7月 5
1:30 pm - 11:20 amSTL-SNN
15h 50m2 stops
7:40 am - 9:04 pmSNN-STL
19h 24m3 stops
$1,844Air Canada
Find Deal
週五, 6月 13 - 週六, 7月 5
2:36 pm - 11:20 amSTL-SNN
14h 44m2 stops
$539American Airlines
Find Deal
週二, 5月 13
1:40 pm - 5:25 amSTL-SNN
9h 45m1 stop
$642American Airlines
Find Deal
週二, 5月 13
4:26 pm - 11:30 amSTL-SNN
14h 04m2 stops
$2,318British Airways
Find Deal
週五, 3月 14

Air Canada flights from St. Louis to Shannon

Our best Air Canada deals on St. Louis to Shannon flight tickets
Air Canada
May 16
STL1:30 pmLambert-St Louis
15h 50m
2 stops
SNN11:20 amShannon
Jun 7
SNN7:40 amShannon
18h 03m
2 stops
STL7:43 pmLambert-St Louis
Air Canada
Jun 13
STL1:30 pmLambert-St Louis
15h 50m
2 stops
SNN11:20 amShannon
Jul 5
SNN7:40 amShannon
19h 24m
3 stops
STL9:04 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
May 16
STL3:44 pmLambert-St Louis
36h 46m
2 stops
SNN10:30 amShannon
Jun 7
SNN9:30 amShannon
11h 51m
1 stop
STL3:21 pmLambert-St Louis
United Airlines
Jun 13
STL11:45 amLambert-St Louis
13h 45m
1 stop
SNN7:30 amShannon
Jul 5
SNN9:30 amShannon
10h 48m
1 stop
STL2:18 pmLambert-St Louis
United Airlines
Jun 13
STL6:15 amLambert-St Louis
19h 15m
2 stops
SNN7:30 amShannon
Jul 5
SNN9:30 amShannon
17h 29m
2 stops
STL8:59 pmLambert-St Louis

See travel insights to Shannon from

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 to Shannon?

The cheapest month to fly to Shannon from St. Louis is in December. Flight prices, which tend to average around $515, are often lower during this time because this is during the off-season. If you don’t want to visit Shannon in December, then you should wait until November to fly from St. Louis, when ticket prices are also cheap, with an average price of $518.

What is the cheapest day to depart on your flight to Shannon?

According to our data, Tuesday is the cheapest day to fly to Shannon from St. Louis. The lowest ticket price found for a Tuesday departure recently was $718. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,188. These prices are subject to change though, so be sure to set up a Price Alert for flights to Shannon.

What is the cheapest time of day to depart on your flight to Shannon?

Our most recent data shows that the best time of day to fly to Shannon is at noon. Flights from St. Louis to Shannon during this time can be as low as $972. In contrast, the most expensive time of day to depart to Shannon is in the morning when prices are around $1,098.

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 round-trip 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

$539

Fastest flight time

9h 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 $539. The best round-trip flight deal from St. Louis to Shannon found on momondo in the last 72 hours is $1,212.
The fastest flight from St. Louis to Shannon takes 9h 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?

    The straight-line distance from Lambert-St Louis to Shannon is 3824.7 mi. By plane, this route typically takes 12h 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.

  • What is the most popular airline from St. Louis to Shannon?


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
9,020 reviews
Search United Airlines flights
American AirlinesPriceFrom $544Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LufthansaPriceFrom $877Free CancellationRating
6.8
7,083 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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