Cheap flights from St. Louis to Shannon from $549
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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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 typical price of a round-trip flight between St. Louis and Shannon?
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.
When to book flights from St. Louis to Shannon
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
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 45m.
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?
The number of operators available for flights from Lambert-St Louis Airport to Shannon Airport is 2 as of January 2025.
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?
Based on momondo bookings for flights between St. Louis and Shannon, the leading airline is United Airlines, making up 75% of the total bookings. Other popular airlines include American Airlines with 25%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $542 | Free Cancellation | Rating 7.4 8,975 reviews | |||
| PriceFrom $544 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Shannon?
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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.