Cheap flights from St. Louis (STL) to Dublin (DUB) from $440

This is the cheapest one-way flight price, found on 9/27. Prices may vary by date and flight preferences.
STL — DUB
Oct 3 — Oct 101

How to find the cheapest flight from St. Louis (STL) to Dublin (DUB)

All the information you need to plan the best STL to DUB flight in 2023: compare St. Louis to Dublin flight prices with the expected peak season, weather and rainfall in Dublin.

Popular in

June

Cheapest in

January

Round-trip from

$523

One-way from

$440
High demand for flights, 21% potential price rise
Best time to find cheap flights, 18% potential price drop
From Lambert-St Louis to Dublin
One-way flight from Lambert-St Louis to Dublin

STL - DUB

Price

$523 - $1,159

DUB

Temperature

41 - 60.8 °F

DUB

Rainfall

1.9 - 3.1 inches

What is the cheapest day to fly round-trip from St. Louis to Dublin?

Friday flights are found to be more expensive to fly from St. Louis to Dublin. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Dublin.

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

Find a great deal and save up to 54% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Dublin within the next two weeks, with the cheapest ticket starting at $1,063.

What is the cheapest month to fly from St. Louis to Dublin?

January can be a great time to fly to Dublin from St. Louis with a flight ticket averaging about $790. Cheapflights users have found deals in the month of January for as cheap as $596. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from St. Louis to Dublin (STL - DUB)?

One of the essential ways to save on airfare from St. Louis to Dublin is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 28% on airfare.

Cheap Delta flights from St. Louis to Dublin

Check out some of the cheapest Delta flights we've come across from St. Louis to Dublin. Be sure to come back soon if the deals available don't appeal to you at this time.

Cheap Air Canada flights from St. Louis to Dublin

Some of the best deals we've found on Air Canada flights traveling from St. Louis to Dublin. Ensure the flight price, dates, time, and airline match your criteria before you book.

Cheap St. Louis to Dublin flights in September & October 2023

The best prices found for STL to DUB flights for September, October
Listed are some of the best fares we've found on flights departing from St. Louis to Dublin in 2023. Check back soon for alternative fares.

St. Louis to Dublin 2023 flight deals

Cheap flights to Dublin from St. Louis found for this year
Listed are some of the best fares we've found on flights departing from St. Louis to Dublin in 2023. Check back soon for alternative fares.

St. Louis to Dublin flights leaving soon

Late deals on return flights to Dublin from St. Louis, departing today and this week
Users seeking a last-minute flight from St. Louis to Dublin should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to Dublin from St. Louis

The cheapest one-way flights from St. Louis to Dublin
Take a look at some of the best available options we've come across on one-way flights from St. Louis to Dublin. Those needing a return flight from St. Louis to Dublin can use the search form above.

Find flights from St. Louis to Dublin within your budget

Use the slider to find flights from St. Louis to Dublin that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$506 - $657

Route

Depart

Return

Price

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 10/11

1 stop15h 25m

Dublin

Wed 10/18

1 stop18h 36m

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 11/27

1 stop13h 24m

Dublin

Mon 12/4

2 stops31h 44m

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 10/29

1 stop32h 20m

Dublin

Mon 11/6

2 stops28h 33m

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 10/17

2 stops17h 25m

Dublin

Mon 10/23

2 stops52h 10m

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 10/29

1 stop13h 07m

Dublin

Mon 11/6

2 stops26h 19m

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 10/29

2 stops23h 25m

Dublin

Mon 11/6

2 stops18h 09m

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 11/22

2 stops14h 55m

Dublin

Tue 12/5

2 stops17h 50m

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/21

2 stops18h 50m

Dublin

Mon 11/27

2 stops16h 44m

Lambert-St LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/7

2 stops14h 45m

Dublin

Wed 11/15

2 stops36h 33m

Flights are sorted by cheapest first

Deals found on 9/26

Reviews of airlines servicing Dublin

To help decide which airline to fly from St. Louis to Dublin, see what other customers have to say about Delta, Air Canada and Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
3,023 reviews

Boarding

8.0

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Delta
7.9
Good
3,023 reviews
Delta
7.9
Good
3,023 reviews

Boarding

8.0

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Air France
7.6
Good
274 reviews
Delta
7.9
Good
3,023 reviews

Boarding

8.0

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Austrian Airlines
7.5
Good
190 reviews
Delta
7.9
Good
3,023 reviews

Boarding

8.0

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

KLM
7.5
Good
196 reviews
Delta
7.9
Good
3,023 reviews

Boarding

8.0

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

United Airlines
7.4
Good
1,890 reviews
Delta
7.9
Good
3,023 reviews

Boarding

8.0

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Related info for your journey

Useful info, stats and facts about St. Louis to Dublin flights.

Can I find flights from St. Louis to Dublin for under $600 on Cheapflights?

Yes, there are multiple flights from St. Louis to Dublin for under $600. The cheapest flight booked recently is on American Airlines for just $506, but on average you can expect to pay $560.

Are there last-minute flights available from St. Louis to Dublin for under $1,200?

There are currently 11+ open flights from St. Louis to Dublin within the next 7 days for less than $1,200.

What are the cheapest airlines flying from St. Louis to Dublin round-trip?

According to our current data, American Airlines ($506), Iberia ($521), and Lufthansa ($543) offers the cheapest pricing from St. Louis to Dublin. American Airlines is 35% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from St. Louis to Dublin one-way?

$440 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Scandinavian Airlines and KLM, with prices starting from $574 and $651, respectively.

What are the most popular airlines that fly from St. Louis to Dublin?

What does STL to DUB mean?

STL stands for Lambert-St Louis Airport, while DUB stands for Dublin Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Top 9 airlines flying from St. Louis to Dublin

The chart below displays the airlines Cheapflights users traveling from St. Louis to Dublin choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$583Average$841FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$583Average$1,014FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$605Average$1,050FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$612Average$1,022FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$614Average$975FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest$619Average$964FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest$652Average$968FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest$673Average$908FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Aer LingusCheapest$893Average$1,245FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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

Deals for St. Louis to Dublin flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Dublin.

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

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