Question 1

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

Accepted Answer

In the last 3 days, the lowest price for a flight from St. Louis to Shannon was €325 for a one-way ticket and €527 for a return. <a href='/flight-routes/Lambert-St-Louis-STL/Shannon-SNN'>Visit our flight page for the latest deals!>/a>

Question 2

Which aircraft models fly most regularly from St. Louis to Shannon?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 3

Which airline alliances offer flights from St. Louis to Shannon?

Accepted Answer

oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between St. Louis and Shannon, with Star Alliance being the most commonly used for this route.

Question 4

What is the cheapest month to fly from St. Louis to Shannon?

Accepted Answer

The cheapest month for flights from St. Louis to Shannon is December, where tickets cost €446 (return) on average. On the other hand, the most expensive months are June and March, where the average cost of round-trip tickets is €957 and €917 respectively.

Question 5

How does KAYAK find such low prices on flights from St. Louis to Shannon?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Shannon. <a href='/flight-routes/Lambert-St-Louis-STL/Shannon-SNN'>Visit our flight page for the latest deals!>/a>

Question 6

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Shannon?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Lambert-St-Louis-STL/Shannon-SNN'>Visit our flight page for the latest deals!>/a>

Question 7

What is the Hacker Fare option on flights from St. Louis to Shannon?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Shannon with an airline and back to St. Louis with another airline. <a href='/flight-routes/Lambert-St-Louis-STL/Shannon-SNN'>Visit our flight page for the latest deals!>/a>

Question 8

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Shannon?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Lambert-St-Louis-STL/Shannon-SNN'>Visit our flight page for the latest deals!>/a>

Question 9

Which airlines provide the cheapest flights from St. Louis to Shannon?

Accepted Answer

In the past 3 days, the cheapest return tickets from St. Louis to Shannon were found on United Airlines (€456) and Delta (€537).

Low season	January
High season	June
Cheapest flight	€281

STL - SNN

€281 Find Cheap Flights from St. Louis to Shannon

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Cheap Flights from St. Louis to Shannon (STL-SNN)

Recent return flight deals from St. Louis to Shannon

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KAYAK's insights & trends for St. Louis to Shannon flights

Get data-powered insights and trends into flights from St. Louis to Shannon to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from St. Louis to Shannon?

The cheapest month for flights from St. Louis to Shannon is December, where tickets cost €446 (return) on average. On the other hand, the most expensive months are June and March, where the average cost of round-trip tickets is €957 and €917 respectively.

Which airlines provide the cheapest flights from St. Louis to Shannon?

In the past 3 days, the cheapest return tickets from St. Louis to Shannon were found on United Airlines (€456) and Delta (€537).

Good to know

When to book flights from St. Louis to Shannon

FAQs for booking flights from St. Louis to Shannon

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

In the last 3 days, the lowest price for a flight from St. Louis to Shannon was €325 for a one-way ticket and €527 for a return.

Which aircraft models fly most regularly from St. Louis to Shannon?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from St. Louis to Shannon?

oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between St. Louis and Shannon, with Star Alliance being the most commonly used for this route.

How does KAYAK find such low prices on flights from St. Louis to Shannon?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Shannon.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Shannon?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from St. Louis to Shannon?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Shannon with an airline and back to St. Louis with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Shannon?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to Shannon

Information on your arrival and departure airports

Cabin class types available on flights from St. Louis to Shannon

Complete your trip to Shannon with a hotel stay or car hire

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Flights from domestic origins to Shannon

Choose which airport to fly into in Shannon