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Cheap Flights from Dublin (DUB) to St Louis (STL)

Compare Dublin to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

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Flight deals from Dublin to St Louis

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to St Louis Airport? If you want to travel next month, return fares start from $1,543. Find the lowest prices on one-way and return tickets right here.
St Louis.$1,327 per passenger.Departing Wed, 23 Dec, returning Tue, 29 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Dublin on Wed, 23 Dec, arriving in St Louis.Inbound indirect flight with Delta, departs from St Louis on Tue, 29 Dec, arriving in Dublin.Price includes taxes and charges.From $1,327, select.
St Louis.$1,327 per passenger.Departing Tue, 24 Nov, returning Tue, 1 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Dublin on Tue, 24 Nov, arriving in St Louis.Inbound indirect flight with Delta, departs from St Louis on Tue, 1 Dec, arriving in Dublin.Price includes taxes and charges.From $1,327, select.
St Louis.$1,330 per passenger.Departing Sun, 22 Nov, returning Sun, 29 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Dublin on Sun, 22 Nov, arriving in St Louis.Inbound indirect flight with Delta, departs from St Louis on Sun, 29 Nov, arriving in Dublin.Price includes taxes and charges.From $1,330, select.
St Louis.$1,331 per passenger.Departing Tue, 22 Dec, returning Fri, 8 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Dublin on Tue, 22 Dec, arriving in St Louis.Inbound indirect flight with Delta, departs from St Louis on Fri, 8 Jan, arriving in Dublin.Price includes taxes and charges.From $1,331, select.
St Louis.$1,380 per passenger.Departing Thu, 1 Oct, returning Wed, 14 Oct.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Dublin on Thu, 1 Oct, arriving in St Louis.Inbound indirect flight with British Airways, departs from St Louis on Wed, 14 Oct, arriving in Dublin.Price includes taxes and charges.From $1,380, select.
St Louis.$1,380 per passenger.Departing Wed, 26 Aug, returning Sun, 30 Aug.Return flight with Finnair.Outbound indirect flight with Finnair, departs from Dublin on Wed, 26 Aug, arriving in St Louis.Inbound indirect flight with Finnair, departs from St Louis on Sun, 30 Aug, arriving in Dublin.Price includes taxes and charges.From $1,380, select.
St Louis.$1,397 per passenger.Departing Mon, 21 Sep, returning Thu, 1 Oct.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Dublin on Mon, 21 Sep, arriving in St Louis.Inbound indirect flight with Iberia, departs from St Louis on Thu, 1 Oct, arriving in Dublin.Price includes taxes and charges.From $1,397, select.
St Louis.$1,398 per passenger.Departing Mon, 31 Aug, returning Mon, 14 Sep.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Dublin on Mon, 31 Aug, arriving in St Louis.Inbound indirect flight with Iberia, departs from St Louis on Mon, 14 Sep, arriving in Dublin.Price includes taxes and charges.From $1,398, select.
St Louis.$1,399 per passenger.Departing Tue, 1 Sep, returning Sun, 13 Sep.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Dublin on Tue, 1 Sep, arriving in St Louis.Inbound indirect flight with Iberia, departs from St Louis on Sun, 13 Sep, arriving in Dublin.Price includes taxes and charges.From $1,399, select.
St Louis.$1,400 per passenger.Departing Thu, 29 Apr, returning Sun, 2 May.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Dublin on Thu, 29 Apr, arriving in St Louis.Inbound indirect flight with Iberia, departs from St Louis on Sun, 2 May, arriving in Dublin.Price includes taxes and charges.From $1,400, select.
St Louis.$1,538 per passenger.Departing Thu, 30 Jul, returning Sun, 2 Aug.Return flight with Finnair.Outbound indirect flight with Finnair, departs from Dublin on Thu, 30 Jul, arriving in St Louis.Inbound indirect flight with Finnair, departs from St Louis on Sun, 2 Aug, arriving in Dublin.Price includes taxes and charges.From $1,538, select.
St Louis.$1,543 per passenger.Departing Mon, 13 Jul, returning Mon, 27 Jul.Return flight with Finnair.Outbound indirect flight with Finnair, departs from Dublin on Mon, 13 Jul, arriving in St Louis.Inbound indirect flight with Finnair, departs from St Louis on Mon, 27 Jul, arriving in Dublin.Price includes taxes and charges.From $1,543, select.
St Louis.$1,543 per passenger.Departing Thu, 25 Jun, returning Wed, 8 Jul.Return flight with Finnair.Outbound indirect flight with Finnair, departs from Dublin on Thu, 25 Jun, arriving in St Louis.Inbound indirect flight with Finnair, departs from St Louis on Wed, 8 Jul, arriving in Dublin.Price includes taxes and charges.From $1,543, select.
St Louis.$1,560 per passenger.Departing Fri, 3 Jul, returning Mon, 7 Sep.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Dublin on Fri, 3 Jul, arriving in St Louis.Inbound indirect flight with Iberia, departs from St Louis on Mon, 7 Sep, arriving in Dublin.Price includes taxes and charges.From $1,560, select.
St Louis.$1,584 per passenger.Departing Thu, 13 May, returning Mon, 17 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Dublin on Thu, 13 May, arriving in St Louis.Inbound indirect flight with Air Canada, departs from St Louis on Mon, 17 May, arriving in Dublin.Price includes taxes and charges.From $1,584, select.
St Louis.$1,683 per passenger.Departing Sun, 26 Jul, returning Mon, 14 Dec.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Dublin on Sun, 26 Jul, arriving in St Louis.Inbound indirect flight with Lufthansa, departs from St Louis on Mon, 14 Dec, arriving in Dublin.Price includes taxes and charges.From $1,683, select.

Find the cheapest month to fly from Dublin to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to St Louis flights are currently cheapest in December.
Jun
from $1,849
Jul
from $1,543
Aug
from $1,380
Sep
from $1,399
Oct
from $1,380
Nov
from $1,330
Dec
from $1,327
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
Find prices
May
from $1,584

Dublin to St Louis: Alternative routes

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

St Louis

20km from central St Louis
ClosestCheapest
from $1,327
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Belleville

32km from central St Louis
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Sparta Community

69km from central St Louis
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Dublin to St Louis: Flight information

The things to know before you go.
Cheapest flight found$1,327
Cheapest month to flyDecember

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

The best price we found for a return flight from Dublin to St Louis is $1,327. 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 Dublin to St Louis. But we found flights with one or more stops from $1,327.
As of June 2026, there are no flights flying from Dublin to St Louis.
The cheapest month to fly from Dublin to St Louis is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to St Louis Airport on Wednesday, 23 December 2026.
No airlines currently offer direct flights between Dublin Airport and St Louis 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 St Louis 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 St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to St Louis.

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

  • St Louis is six hours behind Dublin and is in the UTC-6 timezone.

  • Get to the airport on time so you don't miss your DUB to STL flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • Be prepared for longer lines in popular months such as July. Arriving up to four hours ahead of international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Dublin Airport to St Louis Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to tour the city of your choice. Top stopovers between DUB and STL include:

    • Chicago O'Hare International Airport

    • Boston Logan International Airport

    • Toronto Pearson International Airport

Handy information about Dublin Airport (DUB)

  • Of the flights that depart from Dublin Airport, 77% arrive on time at their destination.

  • To get to Dublin Airport from central Dublin, it'll take around 25 minutes if you're travelling by car. This depends on traffic, however. It's approximately 11 kilometres from the airport to the city centre.

  • Planning to take public transport? You can expect a journey time of around 30 minutes.

  • Looking for a convenient hotel close to DUB? If you're catching an early flight from Dublin Airport to St Louis Airport, these stays will put you moments from check-in:

Arriving at St Louis Airport (STL)

Getting from St Louis Airport (STL) to central St Louis

  • STL is located at 10701 Lambert International Blvd..

  • St Louis Airport to central St Louis has a drive time of about 25 minutes. It's approximately 24 kilometres away.

  • Getting to the centre on public transport takes about 30 minutes.

When to fly to St Louis Airport (STL)

  • The quietest month for a flight from Dublin Airport to St Louis Airport is March, while July is the most popular. Choose the ideal time to visit St Louis based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Lock in your flight from Dublin Airport to St Louis Airport for July if you'd like to go to St Louis during its warmest month. Expect temperatures of between 17ºC (63ºF) and 33ºC (91ºF).

  • January sees average temperatures of between -7ºC (19ºF) and 8ºC (46ºF). Search for cheap tickets from DUB to STL around that time if you want to travel in cooler conditions.

Explore more of the United States

  • You've seen St Louis, now it's time to discover other corners of the United States. Journey around 418 kilometres north-east to Chicago to check off its must-visit sights. From Millennium Park to Art Institute of Chicago and Willis Tower, there's plenty to keep you on the go.

  • If you're looking to explore another corner of the United States, head for Indianapolis, roughly 370 kilometres east of St Louis. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are among the biggest draws.

Plan the rest of your trip from Dublin to St Louis

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.