Cheap Flights from Dublin to St Louis

Compare Dublin to St Louis flight deals

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

Book the best St Louis fare with no extra fees

Flight deals from Dublin to St Louis

Looking for a cheap last-minute deal or the best round-trip flight from Dublin Airport to St Louis Airport? If you want to travel next month, round-trip fares start from AED 3,150. Find the lowest prices on one-way and round-trip tickets right here.

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 September.

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.

Dublin to St Louis: Flight information

The things to know before you go.
Cheapest flight foundAED 1,471
Cheapest month to flySeptember

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

The best price we found for a round-trip flight from Dublin to St Louis is AED 2,544. 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 AED 2,544.
There are no flights flying from Dublin to St Louis, as of June 2026.
The cheapest month to fly from Dublin to St Louis is usually August.
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, August 26, 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, WestJet offers the cheapest flight tickets to St Louis.

Traveling 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

How to find the cheapest flights from Dublin Airport (DUB) to St Louis Airport (STL)

  • AED 1,471 is currently the lowest price for a one-way Dublin Airport to St Louis Airport flight. Return flights start from AED 2,544. These prices can change depending on availability and demand.

  • It's a good idea to book ahead of time if you want to get cheap tickets from DUB to STL. That's because flight prices are based on demand, which tends to rise closer to departure.

  • If you can be flexible with your travel dates, use the 'Whole month' search tool. It'll find the cheapest price across the month when searching for your flight from Dublin Airport to St Louis Airport.

  • There's no need to check every day to see if fares have gone down when you set up a Price Alert. We'll update you as soon as a special offer becomes available on cheap flights from DUB to STL.

  • Pick your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Dublin Airport to St Louis 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 traveling by car. This depends on traffic, however. It's approximately 11 kilometers from the airport to the city center.

  • 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 kilometers away.

  • Getting to the center 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 kilometers 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 kilometers east of St Louis. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are among the biggest draws.

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