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£328 Cheap Flights from St. Louis (STL) to Dublin (DUB)

View £328 flight on Sun, 30 May 2027Opens in a new window

Popular airlines from Lambert-St. Louis International Airport (STL) to Dublin Airport (DUB)

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

Prices were available within the past 7 days and start at £328 for one-way flights and £556 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, 21 Sept - Tue, 6 Oct
STL
St. Louis
DUB
Dublin
£556 Return, found 2 days ago
£556
Return
found 2 days ago
Select Air Canada flight, departing Mon, 21 Sept from St. Louis to Dublin, returning Tue, 6 Oct, priced at £556 found 2 days ago
KLM
Mon, 4 Jan - Sun, 10 Jan
STL
St. Louis
DUB
Dublin
£557 Return, found 6 days ago
£557
Return
found 6 days ago
Select KLM flight, departing Mon, 4 Jan from St. Louis to Dublin, returning Sun, 10 Jan, priced at £557 found 6 days ago
Air Canada
Mon, 4 Jan - Sun, 10 Jan
STL
St. Louis
DUB
Dublin
£559 Return, found 6 days ago
£559
Return
found 6 days ago
Select Air Canada flight, departing Mon, 4 Jan from St. Louis to Dublin, returning Sun, 10 Jan, priced at £559 found 6 days ago
Air Canada
Mon, 21 Sept - Tue, 6 Oct
STL
St. Louis
DUB
Dublin
£559 Return, found 2 days ago
£559
Return
found 2 days ago
Select Air Canada flight, departing Mon, 21 Sept from St. Louis to Dublin, returning Tue, 6 Oct, priced at £559 found 2 days ago
Air Canada
Mon, 21 Sept - Tue, 6 Oct
STL
St. Louis
DUB
Dublin
£560 Return, found 2 days ago
£560
Return
found 2 days ago
Select Air Canada flight, departing Mon, 21 Sept from St. Louis to Dublin, returning Tue, 6 Oct, priced at £560 found 2 days ago
United
Tue, 13 Oct - Thu, 22 Oct
STL
St. Louis
DUB
Dublin
£561 Return, found 6 days ago
£561
Return
found 6 days ago
Select United flight, departing Tue, 13 Oct from St. Louis to Dublin, returning Thu, 22 Oct, priced at £561 found 6 days ago
Air Canada
Mon, 21 Sept - Tue, 6 Oct
STL
St. Louis
DUB
Dublin
£563 Return, found 2 days ago
£563
Return
found 2 days ago
Select Air Canada flight, departing Mon, 21 Sept from St. Louis to Dublin, returning Tue, 6 Oct, priced at £563 found 2 days ago
Air France
Mon, 21 Sept - Tue, 6 Oct
STL
St. Louis
DUB
Dublin
£564 Return, found 2 days ago
£564
Return
found 2 days ago
Select Air France flight, departing Mon, 21 Sept from St. Louis to Dublin, returning Tue, 6 Oct, priced at £564 found 2 days ago
KLM
Mon, 21 Sept - Tue, 6 Oct
STL
St. Louis
DUB
Dublin
£565 Return, found 2 days ago
£565
Return
found 2 days ago
Select KLM flight, departing Mon, 21 Sept from St. Louis to Dublin, returning Tue, 6 Oct, priced at £565 found 2 days ago
Lufthansa
Mon, 21 Sept - Tue, 6 Oct
STL
St. Louis
DUB
Dublin
£568 Return, found 2 days ago
£568
Return
found 2 days ago
Select Lufthansa flight, departing Mon, 21 Sept from St. Louis to Dublin, returning Tue, 6 Oct, priced at £568 found 2 days ago

Find the cheapest month to fly from St. Louis (STL) to Dublin (DUB)

November is typically the cheapest month to fly

From £512 - £789 per traveller.

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB) cost?
You can find cheap one-way flights from £328 and cheap return flights from £556 STL to DUB with Expedia. Return flights often range between £707 and £5779. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when STL to DUB ticket fares go up or down.
What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB)?
January is typically the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB), with average return fares around £430. January sees lower prices because it falls after the busy holiday travel season, when demand drops and airlines often offer more competitive fares. February and December are also good months to find deals on this route.
Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB)?
Enter STL to DUB and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB)?
Republic Airlines is one of the cheapest airlines offering connecting return flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB), with tickets starting from around £849 for flights that can be booked for departure within the next year. These prices are for one adult in economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB)?
The cheapest months to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB) are typically January and February, with average return flights around £430. However, the most popular months for this route are May and July, meaning you'll find plenty of flight options during these times. If you're looking for the best balance of good prices and a wide selection of flights, consider travelling in the shoulder seasons around these popular times.
How many flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB)?
There are around 70 connecting flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB). Some common connection points include O'Hare Intl. (ORD), Pearson Intl. (YYZ), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from STL to DUB. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB)?
You'll typically find the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB) on a Wednesday, with around 75 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include American Airlines, United, and Delta. Flight schedules are fairly consistent throughout the week, so you'll have plenty of options regardless of your travel day.
What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB)?
The most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB) are between 12pm and 3pm. Many major carriers, including American Airlines, United and Air Canada, offer flights during this window. Many travellers prefer this time as it allows for a full morning before departure and an evening arrival, giving you time to settle in.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB)?
There are no nonstop flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB). The journey covers a distance of approximately 6,295 kilometres. Flights with one stop typically take around 17 hours 18 minutes. If your journey involves two or more stops, you can expect the travel time to be around 15 hours 30 minutes. Keep in mind that these are average times, and actual flight durations can vary due to factors like layover times, routing, and weather conditions.
Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB)?
Yes, you can fly business class or first class between STL and DUB. Airlines that offer business class service on this route include:
  • Lufthansa
  • Skywest Air
  • British Airways
  • Air Canada
  • Delta
  • United
  • Finnair
  • American Airlines
  • American Eagle
First class cabins are available on United.
How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Dublin (DUB) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Dublin
Airlines serving
Aer Lingus, Air Canada, Air France, Austrian Airlines, Iberia, KLM, Lufthansa
Return price
£556
Distance
6259 km

Book with confidence

Compare flights from St. Louis to Dublin easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Dublin. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Dublin in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to Dublin.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to Dublin (DUB)

The easiest way to view the best deals on flights from St. Louis to Dublin today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to Dublin start at just £556 and range up to £568.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near St. Louis and Dublin
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your St. Louis to Dublin flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to Dublin for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from St. Louis to Dublin easily and book with confidence

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*Available to Expedia members.