Cheap flights from St. Louis (STL) to Ireland

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

All the information you need to plan the best STL to DUB flight in 2022: compare St. Louis to Ireland flight prices with the expected peak season, weather and rainfall in Ireland.
When is the cheapest time to fly from St. Louis to Ireland (STL - IE)?

When flying from St. Louis to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Ireland. Flights to Ireland from St. Louis in February are about $763 on average during February, but can be found for as low as $433.

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

Travelers have found it’s best to book a flight 34 days in advance to save up to 36% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 34 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Ireland 1-2 weeks in advance for as low as $907, or $1,050 for flights within the next 24 hours.

Cheap flights from St. Louis to Ireland in August, September 2022

The best prices found for STL to Ireland flights for August, September
12 Sep - 23 Sep
$538pp
STL
Lambert-St Louis
Air France
   
2 STOPS
DUB
Dublin
DUB
Dublin
Air France
   
2 STOPS
STL
Lambert-St Louis
13 Sep - 27 Sep
$539pp
STL
Lambert-St Louis
Iberia
 
1 STOP
DUB
Dublin
DUB
Dublin
Iberia
 
1 STOP
STL
Lambert-St Louis
28 Sep - 4 Oct
$550pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
DUB
Dublin
DUB
Dublin
American Airlines
 
1 STOP
STL
Lambert-St Louis

Lambert-St Louis to Ireland 2022 flight deals

Cheap flights to Ireland from St. Louis found for this year
12 Sep - 23 Sep
$538pp
STL
Lambert-St Louis
Air France
   
2 STOPS
DUB
Dublin
DUB
Dublin
Air France
   
2 STOPS
STL
Lambert-St Louis
13 Sep - 27 Sep
$539pp
STL
Lambert-St Louis
Iberia
 
1 STOP
DUB
Dublin
DUB
Dublin
Iberia
 
1 STOP
STL
Lambert-St Louis
12 Oct - 18 Oct
$546pp
STL
Lambert-St Louis
Iberia
 
1 STOP
DUB
Dublin
DUB
Dublin
Iberia
 
1 STOP
STL
Lambert-St Louis

Cheap American Airlines flights from St. Louis to Ireland

11 Oct - 25 Oct
$550pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
DUB
Dublin
DUB
Dublin
American Airlines
 
1 STOP
STL
Lambert-St Louis
3 Oct - 12 Oct
$551pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
DUB
Dublin
DUB
Dublin
American Airlines
 
1 STOP
STL
Lambert-St Louis
12 Sep - 28 Sep
$552pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
DUB
Dublin
DUB
Dublin
American Airlines
 
1 STOP
STL
Lambert-St Louis

Cheap Aer Lingus flights from St. Louis to Ireland

24 Aug - 31 Aug
$1,246pp
STL
Lambert-St Louis
Aer Lingus
 
1 STOP
DUB
Dublin
DUB
Dublin
Aer Lingus
 
1 STOP
STL
Lambert-St Louis
25 Aug - 4 Sep
$1,435pp
STL
Lambert-St Louis
Aer Lingus
 
1 STOP
DUB
Dublin
DUB
Dublin
Aer Lingus
 
1 STOP
STL
Lambert-St Louis
25 Aug - 4 Sep
$1,436pp
STL
Lambert-St Louis
Aer Lingus
 
1 STOP
DUB
Dublin
DUB
Dublin
Aer Lingus
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St. Louis to Ireland

Late deals on round-trip flights to Ireland from St. Louis, departing today and this week
24 Aug - 31 Aug
$1,096pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
DUB
Dublin
DUB
Dublin
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
24 Aug - 31 Aug
$1,144pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
24 Aug - 31 Aug
$1,246pp
STL
Lambert-St Louis
Aer Lingus
 
1 STOP
DUB
Dublin
DUB
Dublin
Aer Lingus
 
1 STOP
STL
Lambert-St Louis

One-way flights to Ireland from St. Louis

The cheapest one-way flights from St. Louis to Ireland
9:39 am - 3:35 am
Aer Lingus
1 Stop
11h 56m
STL - DUB
Aer Lingus
$500
Fareboom
1:15 pm - 5:55 am
Air France
1 Stop
10h 40m
STL - DUB
Air France
12:19 pm - 3:20 am
United Airlines
2 Stops
57h 01m
STL - DUB
United Airlines
$674
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Ireland</span> flights.

Flight FAQs

From St. Louis to Ireland

What airport do you fly from for flights from St. Louis to Ireland?

For a flight from St. Louis to Ireland, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

Which airlines flying from Lambert-St Louis to Ireland have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, United Airlines, and Air Canada flying from Lambert-St Louis to Ireland have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from St. Louis to Ireland for under $600. The cheapest flight booked recently is on Air France for just $538, but on average you can expect to pay $565.

Are there last-minute flights available from St. Louis to Ireland for under $1,100?

There are currently 13+ open flights from St. Louis to Ireland within the next 7 days for less than $1,100.

How popular is this St. Louis to Ireland flight route?

Flights from Lambert-St Louis to Ireland have been viewed 35 times in the past calendar month.

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

The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $487. However, be on the lookout for offers from Aer Lingus and Air France, as they are both options that can get you from St. Louis to Ireland for a low price.

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

Before booking your flight from St. Louis to Ireland check out the most popular airlines for this route: Undisclosed Carrier, American Airlines or Air Canada.

What are the cheapest flights from St. Louis to Ireland?

On average you can expect to pay $2,542 for a flight from St. Louis to Ireland. The cheapest flight overall is $551 while the most popular route, (Lambert-St Louis - Dublin) is currently priced at $553.

What are the most popular routes from St. Louis to Ireland?

While some choose either Lambert-St Louis - Shannon or Lambert-St Louis - Cork, Lambert-St Louis - Dublin is the most popular route from St. Louis to Ireland.

COVID Restrictions

View COVID Travel Restrictions for Ireland

Do I need a COVID test to fly to Ireland from St. Louis?

Information is based on travel restrictions from Lambert-St Louis to Ireland

Most visitors from Lambert-St Louis can enter Ireland without restrictions.

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Ireland.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Ireland.

Do I need a test to fly back to St. Louis from Ireland?

Returning to Lambert-St Louis from Ireland

COVID-19 testing requirements
Visitors from Ireland are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.

Quarantine requirements
Visitors from Ireland are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Ireland

Destination points for flights from St. Louis to Ireland

Select to see more specific information for flights from St. Louis to all places in Ireland.

Top 10 airlines flying from Lambert-St Louis to Ireland

The chart below displays the airlines Cheapflights users traveling from St. Louis to Ireland choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$14 $20 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Iberia
$397 $779 No cancel fee 77%
Aer Lingus
$453 $1,039 No cancel fee N/A
Lufthansa
$457 $1,085 No cancel fee 76%
United Airlines
$461 $852 No cancel fee 69%
Finnair
$502 $683 No cancel fee 76%
Air Canada
$522 $815 No cancel fee 67%
American Airlines
$525 $905 No cancel fee 71%
KLM
$541 $681 No cancel fee 75%
Delta
$545 $756 No cancel fee N/A
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