$526 Cheap flight deals from St. Louis (STL) to Shannon (SNN)

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This Weekend's Flight Deals from St. Louis to Shannon

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 4 - Fri, May 16
STL
Lambert-St. Louis Intl.
SNN
Shannon
$1,499 Roundtrip, found 4 days ago
$1,499
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, May 4 from Lambert-St. Louis Intl. to Shannon, returning Fri, May 16, priced at $1,499 found 4 days ago

Airfares from $526 One Way, $615 Round Trip from St. Louis to Shannon

Prices starting at $615 for return flights and $526 for one-way flights to Shannon were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Sep 7 - Fri, Sep 19
STL
St. Louis
SNN
Shannon
$615 Roundtrip, just found
$615
Roundtrip
just found
Select Delta flight, departing Sun, Sep 7 from St. Louis to Shannon, returning Fri, Sep 19, priced at $615 just found
Sat, Sep 6 - Fri, Sep 19
STL
St. Louis
SNN
Shannon
$626 Roundtrip, just found
$626
Roundtrip
just found
Select Delta flight, departing Sat, Sep 6 from St. Louis to Shannon, returning Fri, Sep 19, priced at $626 just found
Fri, Sep 5 - Fri, Sep 19
STL
St. Louis
SNN
Shannon
$665 Roundtrip, just found
$665
Roundtrip
just found
Select Delta flight, departing Fri, Sep 5 from St. Louis to Shannon, returning Fri, Sep 19, priced at $665 just found
Mon, Sep 8 - Mon, Sep 22
STL
St. Louis
SNN
Shannon
$745 Roundtrip, just found
$745
Roundtrip
just found
Select United flight, departing Mon, Sep 8 from St. Louis to Shannon, returning Mon, Sep 22, priced at $745 just found
Mon, Sep 8 - Mon, Sep 22
STL
St. Louis
SNN
Shannon
$750 Roundtrip, just found
$750
Roundtrip
just found
Select United flight, departing Mon, Sep 8 from St. Louis to Shannon, returning Mon, Sep 22, priced at $750 just found

More About Flying To Shannon from St. Louis

Route Information for Flights from St. Louis to Shannon

Origin Airport IATA Code
STL
Destination Airport IATA Code
SNN
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

St. Louis to Shannon

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Frequently asked questions

What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won’t keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.