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Cheap flights from St. Louis to Dublin

STL — DUB
1 Oct — 8 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from St. Louis to Dublin

Popular in

June

Cheapest in

September

Average price

£273
Highest demand for flights based on searches. 30% potential increase in price (£164 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£26 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Best time to book a flight from St. Louis to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from St. Louis with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Dublin

How far ahead should I book a flight from St. Louis to Dublin?

To ensure you get the cheapest price possible for a flight from St. Louis to Dublin, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from St. Louis to Dublin?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Dublin (average of £273). Flying from St. Louis to Dublin in June is currently the most expensive (average of £906). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

  • Can I find deals for flights from St. Louis to Dublin that include hotel bookings?

    Yes. In addition to deals on St. Louis to Dublin flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Dublin.

  • Can I find deals for business class flights from St. Louis to Dublin?

    Yes. Cheapflights offers flight deals from St. Louis to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Dublin?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Dublin (average of £273). Flying from St. Louis to Dublin in June is currently the most expensive (average of £906). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Arklow
Cavan
Swords
Portmarnock
Athlone
Dundalk
Bray
Wicklow
Malahide
Maynooth
Drogheda
Kildare

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How does Cheapflights help users find flights from St. Louis to Dublin?

Cheapflights makes it easy to find St. Louis to Dublin flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Dublin?

Cheapflights helps you find that perfect flight to Dublin from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Dublin with no change fees?

Need flexible booking options for your flight to Dublin from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Dublin become cheaper?

Yes! Start tracking prices for St. Louis to Dublin flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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