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Cheap flights from St Louis to Dublin

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Compare St Louis to Dublin flight deals

Find the cheapest month or even day of the year to fly to Dublin

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Flight deals from St Louis to Dublin

Looking for a cheap last-minute deal or the best return flight from St Louis to Dublin? Find the lowest prices on one-way and return tickets right here.
Dublin.P29,103 per passenger.Departing Wed, 12 Nov, returning Wed, 19 Nov.Return flight with United.Outbound indirect flight with United, departs from St Louis on Wed, 12 Nov, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Wed, 19 Nov, arriving in St Louis.Price includes taxes and charges.From P29,103, select.
Dublin.P29,686 per passenger.Departing Tue, 1 Apr, returning Wed, 9 Apr.Return flight with United.Outbound indirect flight with United, departs from St Louis on Tue, 1 Apr, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Wed, 9 Apr, arriving in St Louis.Price includes taxes and charges.From P29,686, select.
Dublin.P31,188 per passenger.Departing Mon, 31 Mar, returning Wed, 16 Apr.Return flight with United.Outbound indirect flight with United, departs from St Louis on Mon, 31 Mar, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Wed, 16 Apr, arriving in St Louis.Price includes taxes and charges.From P31,188, select.
Dublin.P31,249 per passenger.Departing Tue, 14 Oct, returning Tue, 21 Oct.Return flight with United.Outbound indirect flight with United, departs from St Louis on Tue, 14 Oct, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Tue, 21 Oct, arriving in St Louis.Price includes taxes and charges.From P31,249, select.
Dublin.P32,896 per passenger.Departing Tue, 26 Aug, returning Tue, 2 Sep.Return flight with United.Outbound indirect flight with United, departs from St Louis on Tue, 26 Aug, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Tue, 2 Sep, arriving in St Louis.Price includes taxes and charges.From P32,896, select.
Dublin.P32,975 per passenger.Departing Tue, 2 Sep, returning Tue, 9 Sep.Return flight with United.Outbound indirect flight with United, departs from St Louis on Tue, 2 Sep, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Tue, 9 Sep, arriving in St Louis.Price includes taxes and charges.From P32,975, select.
Dublin.P32,996 per passenger.Departing Wed, 24 Sep, returning Wed, 1 Oct.Return flight with United.Outbound indirect flight with United, departs from St Louis on Wed, 24 Sep, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Wed, 1 Oct, arriving in St Louis.Price includes taxes and charges.From P32,996, select.
Dublin.P33,080 per passenger.Departing Wed, 13 Aug, returning Wed, 20 Aug.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from St Louis on Wed, 13 Aug, arriving in Dublin.Inbound indirect flight with Air Canada, departs from Dublin on Wed, 20 Aug, arriving in St Louis.Price includes taxes and charges.From P33,080, select.

Find the cheapest month to fly from St Louis to Dublin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Dublin flights are currently cheapest in November.
Mar
from P43,702
Apr
from P29,686
May
from P33,254
Jun
from P49,324
Jul
from P49,226
Aug
from P33,080
Sep
from P32,975
Oct
from P31,249
Nov
from P29,103
Dec
Find prices
Jan
Find prices
Feb
Find prices

St Louis to Dublin: Alternative routes

Compare routes from St Louis to Dublin below. You may find an airport to fly into that's cheaper, faster, or easier than Dublin.

St Louis to Dublin: Flight information

The things to know before you go.
Cheapest flight foundP29,103
Cheapest month to flyNovember

Finding cheap flights from St Louis to Dublin: Frequently asked questions

The best price we found for a return flight from St Louis to Dublin is P29,103. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Dublin. But we found flights with one or more stops from P29,103.
As of March 2025, there are no flights flying from St Louis to Dublin.
The cheapest month to fly from St Louis to Dublin is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Dublin Airport on Wednesday, 12 November 2025.
No airlines currently offer direct flights between St Louis Airport and Dublin Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dublin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dublin is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Dublin.

Travelling from Lambert-St. Louis International Airport (STL) to Dublin Airport (DUB): what you need to know

  • Flying during a popular month such as July? School holidays and other high seasons can result in longer lines at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.

  • If you'd like to break up your flight from Lambert-St. Louis International Airport to Dublin Airport, add a stopover to your trip. Simply deselect 'Direct flights only' to find a city that catches your eye. Popular stopovers on the STL - DUB route are:

    • Pearson International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • O'Hare International Airport

  • Don't forget, you might need a visa to enter Ireland. Visa requirements can differ and travel documentation requirements change often. Before locking in your cheap ticket from STL to DUB, be sure to check with your airline and your destination country's local consulate or embassy for the latest information.

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Dublin Airport (DUB)

  • The lowest price we've seen for a one-way ticket from Lambert-St. Louis International Airport to Dublin Airport is P24,520. For a return flight on this route, the best price is P29,103. Depending on the availability when you book, these fares could change.

  • It's often best to book ahead of time if you're hoping to get cheap tickets from STL to DUB. That's because airlines adjust prices based on demand, which tends to rise closer to departure.

  • The 'Whole month' search tool shows you the cheapest tickets from Lambert-St. Louis International Airport to Dublin Airport across every month. It's the best way to snap up a bargain if your travel plans are flexible.

  • Create a Price Alert for cheap tickets from STL to DUB. There's no need to check back in every day to find out if prices have fallen. We'll update you the moment there's a change in price.

  • Tailor your flights with filters. Choose your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Lambert-St. Louis International Airport to Dublin Airport.

Handy information about Lambert-St. Louis International Airport (STL)

  • Located around 26 kilometres from central St Louis, Lambert-St. Louis International Airport can be reached in about 21 minutes by car, depending on traffic. The ride on public transport is roughly 36 minutes.

  • After a relaxed start to your travels? Stay near STL. Whether you have an early flight from Lambert-St. Louis International Airport to Dublin Airport or just don't want to be rushed, these hotels have you covered:

Arriving at Dublin Airport (DUB)

Getting from Dublin Airport (DUB) to central Dublin

  • Dublin Airport to the centre of Dublin is around 29 minutes by car. It's approximately 21 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing services.

  • It takes around 2 hours and 9 minutes when travelling by public transport.

When to fly to Dublin Airport (DUB)

  • August is the busiest month for flights from Lambert-St. Louis International Airport to Dublin Airport. To steer clear of the crowds, head to Dublin in February.

  • When booking your flight from Lambert-St. Louis International Airport to Dublin Airport, consider the type of weather you like. July is the warmest month in Dublin, with the temperature ranging from 10 ºC to 20 ºC.

  • Look for cheap tickets from STL to DUB in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 1 ºC and 9 ºC on average.

More about Dublin

  • As soon as you've locked in your flights from STL to DUB, you'll want to find a place to stay in Dublin. Make one of these accommodation options your base for exploring this top destination:

  • There are so many things to do and see in this city it can be difficult to know where to begin. Guinness Storehouse, Trinity College Library and Dublin Castle are top sights which should be on any good Dublin itinerary.

Complete your Dublin trip with hotels and a car rental

  • After you've secured your cheap ticket to Dublin Airport, discover the lowest prices and exclusive offers on hotels. You can also compare hundreds of car rental companies in one place to get the best car rental price for your Dublin getaway.

Plan the rest of your trip from St Louis to Dublin

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.