Cheap Flights from St Louis to Dublin from 427 €

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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.427 € per passenger.Departing Mon, 27 Oct, returning Fri, 7 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Mon, 27 Oct, arriving in Dublin.Inbound indirect flight with Delta, departs from Dublin on Fri, 7 Nov, arriving in St Louis.Price includes taxes and charges.From 427 €, select.

Dublin.454 € per passenger.Departing Wed, 21 Jan, returning Wed, 28 Jan.Return flight with United.Outbound indirect flight with United, departs from St Louis on Wed, 21 Jan, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Wed, 28 Jan, arriving in St Louis.Price includes taxes and charges.From 454 €, select.

Dublin.457 € per passenger.Departing Wed, 3 Dec, returning Wed, 10 Dec.Return flight with United.Outbound indirect flight with United, departs from St Louis on Wed, 3 Dec, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Wed, 10 Dec, arriving in St Louis.Price includes taxes and charges.From 457 €, select.

Dublin.458 € 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 458 €, select.

Dublin.466 € per passenger.Departing Wed, 13 Aug, returning Wed, 20 Aug.Return flight with United.Outbound indirect flight with United, departs from St Louis on Wed, 13 Aug, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Wed, 20 Aug, arriving in St Louis.Price includes taxes and charges.From 466 €, select.

Dublin.470 € per passenger.Departing Tue, 3 Feb, returning Tue, 10 Feb.Return flight with United.Outbound indirect flight with United, departs from St Louis on Tue, 3 Feb, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Tue, 10 Feb, arriving in St Louis.Price includes taxes and charges.From 470 €, select.

Dublin.510 € per passenger.Departing Wed, 31 Dec, returning Wed, 7 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Wed, 31 Dec, arriving in Dublin.Inbound indirect flight with Delta, departs from Dublin on Wed, 7 Jan, arriving in St Louis.Price includes taxes and charges.From 510 €, select.

Dublin.510 € per passenger.Departing Wed, 23 Jul, returning Tue, 29 Jul.Return flight with Iberia.Outbound indirect flight with Iberia, departs from St Louis on Wed, 23 Jul, arriving in Dublin.Inbound indirect flight with Iberia, departs from Dublin on Tue, 29 Jul, arriving in St Louis.Price includes taxes and charges.From 510 €, 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 January.

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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 found	427 €
Cheapest month to fly	October

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

How much are return flights from St Louis to Dublin?

The best price we found for a return flight from St Louis to Dublin is 427 €. 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.

Which airlines fly direct from St Louis to Dublin?

Currently, there are no airlines that fly direct from St Louis to Dublin. But we found flights with one or more stops from 427 €.

How many flights are there a week from St Louis to Dublin?

As of May 2025, there are no flights flying from St Louis to Dublin.

When is the cheapest time to fly from St Louis to Dublin?

The cheapest month to fly from St Louis to Dublin is usually May 2025.

Which upcoming date is cheapest to fly from St Louis Airport to Dublin Airport on?

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 Monday, 27 October 2025.

Can I get a direct flight from St Louis Airport to Dublin Airport?

No airlines currently offer direct flights between St Louis Airport and Dublin Airport. Most routes have one or more stops.

How can I find the best flight deal to Dublin?

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.

When is the best time to book flights to Dublin?

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.

Which is the cheapest airline to fly from St Louis Airport to Dublin with?

Currently, Delta offers the cheapest flight tickets to Dublin.

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

The timezone in Dublin is UTC+0, which is five hours ahead of St Louis.
For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your STL to DUB flight.
Flying during a peak month such as July? School holidays and other high seasons can lead to longer lines at security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before domestic departures.
Think about adding a stopover when booking your ticket from Lambert-St. Louis International Airport to Dublin Airport. Simply uncheck 'Direct flights only' to break up your journey, or even explore someplace new along the way. Here's where you can stop between STL and DUB:
- O'Hare International Airport
- Pearson International Airport
- Hartsfield-Jackson Atlanta International Airport

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

261 € is currently the best price for a one-way Lambert-St. Louis International Airport to Dublin Airport flight. Return flights start from 427 €. These prices can change based on demand and availability.
Don't leave things to the last moment. You're more likely to find cheap tickets from STL to DUB if you book ahead. Airlines often offer some amazing early bird deals.
If you can be flexible with your travel dates, use the 'Whole month' search tool. It'll find the cheapest price in each month when looking for a flight from Lambert-St. Louis International Airport to Dublin Airport.
You don't need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll let you know the moment there's a change in price on cheap flights from STL to DUB.
Lock in the right flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Lambert-St. Louis International Airport to Dublin Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and journey duration.

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

The address for STL is 10701 Lambert International Blvd..
78.04% of flights that take off from Lambert-St. Louis International Airport make it to their destination on time.
Lambert-St. Louis International Airport is around 26 kilometres from central St Louis. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.
Planning to take public transport? Expect a journey time of around 35 minutes.
Get your break off to a leisurely start by staying near STL. Whether you're boarding an early flight from Lambert-St. Louis International Airport to Dublin Airport or just don't like being rushed, these stays are perfect:

Arriving at Dublin Airport (DUB)

If you're landing on a late Lambert-St. Louis International Airport to Dublin Airport flight, few things top the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and resting not long after at one of these accommodation options near DUB:
Pick up a Dublin Airport rental car and discover Dublin and beyond with your own wheels. Easirent, Budget and Carhire are popular providers you can book with here.
To get the lowest price, reserve your vehicle from Dublin Airport around two weeks before you set off.

Getting from Dublin Airport (DUB) to central Dublin

Dublin Airport to the centre of Dublin has a drive time of around 30 minutes. It's approximately 21 kilometres away.
If you're travelling on public transport, expect a journey of roughly 2 hours 10 minutes.

When to fly to Dublin Airport (DUB)

August is the most popular month for flights from Lambert-St. Louis International Airport to Dublin Airport. To escape the crowds, visit Dublin in January.
The warmest month in Dublin is July, with the temperature ranging between 10ºC (50ºF) and 20ºC (68ºF). Book your flights from Lambert-St. Louis International Airport to Dublin Airport in this month if you like this kind of weather.
If you like cooler conditions, search for a cheap ticket from STL to DUB in January. Temperatures average between 1ºC (34ºF) and 9ºC (48ºF) then.

Explore more of Ireland

You've visited Dublin, now it's time to discover other parts of Ireland. Travel about 225 kilometres south-west to Cork to tick off its popular sights. From Blarney Castle to Fota Wildlife Park and Titanic Experience Cobh, you've got a jam-packed schedule ahead.
Around 10 kilometres south-west of Dublin, Tallaght is another favourite stop in Ireland. Start your sightseeing at Church of the Incarnation, Fettercairn, 3 stuffed bears and Johnson & Perrott Fleet.