Cheap flights from St. Louis to Dublin from $312
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 Dublin departing on 7/8. 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 Dublin
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 Dublin?
What is the cheapest month to fly to Dublin?
In general, February is the cheapest month to fly from St. Louis to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $698. If you’re not able to fly to Dublin in February, then November is your next best option. Flight prices from St. Louis to Dublin during November average around $708.
What is the cheapest day to depart on your flight to Dublin?
The cheapest day to depart from St. Louis to Dublin is on a Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $865. Flights from St. Louis to Dublin on a Saturday will generally be more expensive and average around $972. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Dublin?
In the evening is the cheapest time of day to fly from St. Louis to Dublin when you can find flight prices for as low as $556. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $1,057.
How far in advance should I book a flight to Dublin?
You are more likely to see cheaper flights to Dublin from St. Louis when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $906 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from St. Louis for as low as $692 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to Dublin?
Air Canada, United Airlines, and British Airways are the most popular carriers operating from Lambert-St Louis to Dublin
What airlines fly to Dublin?
American Airlines, United Airlines and Air Canada are the top three most popular airlines that fly to Dublin from St. Louis according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 9 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.
When to book flights from St. Louis to Dublin
Cheap St. Louis to Dublin (STL to DUB) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Dublin
How far is Lambert-St Louis to Dublin by plane?
The straight-line distance from Lambert-St Louis to Dublin is 3909.9 mi. A reasonable flight in good conditions will take 9h 39m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Dublin Airport?
Prices for flights from Lambert-St Louis Airport to Dublin Airport were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Dublin Airport?
As of June 2025, there are 9 operators available to choose from for flights from Lambert-St Louis Airport to Dublin Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Dublin Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Dublin is American Airlines (31% of total bookings). The next most popular airlines are United Airlines (26%), Air Canada (18%), and Iberia (8%).
Best airlines flying from St. Louis to Dublin
Compare and see reviews for airlines that fly from St. Louis to Dublin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $451 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $491 | Free Cancellation | Rating 7.0 2,776 reviews | |||
| PriceFrom $507 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $531 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $560 | Free Cancellation | Rating 6.7 7,136 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $572 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $582 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom $736 | Free Cancellation | Rating 7.1 1,117 reviews |
Traveling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Dublin?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dublin from St. Louis.
Can I find flights from St. Louis to Dublin with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Dublin flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Dublin?
momondo helps you find the best flight between St. Louis and Dublin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from St. Louis to Dublin right now. Can momondo alert me if prices change?
If you are not ready to book a flight from St. Louis to Dublin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dublin and let you know when they change.