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Cheap flights from St. Louis to Dublin from $344

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Dublin departing on 5/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Dublin

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Dublin.
Scandinavian Airlines Logo
1:30 pm - 11:50 amSTL-DUB
40h 20m2 stops
Scandinavian Airlines Logo
12:30 pm - 11:39 pmDUB-STL
40h 09m2 stops
$657Scandinavian Airlines
Find Deal
Wed, Oct 22 - Mon, Oct 27
United Airlines Logo
5:29 pm - 9:45 amSTL-DUB
10h 16m1 stop
United Airlines Logo
9:50 am - 12:36 pmDUB-STL
32h 46m1 stop
$661United Airlines
Find Deal
Mon, May 12 - Wed, May 28
Delta Logo
3:40 pm - 8:45 amSTL-DUB
11h 05m1 stop
Delta Logo
1:15 pm - 8:49 pmDUB-STL
13h 34m2 stops
$671Delta
Find Deal
Mon, May 12 - Wed, May 28
Air Canada Logo
4:00 pm - 7:45 amSTL-DUB
33h 45m2 stops
Air Canada Logo
9:50 am - 3:21 pmDUB-STL
11h 31m1 stop
$673Air Canada
Find Deal
Sat, Jul 19 - Fri, Aug 1
Air Canada Logo
8:00 am - 7:45 amSTL-DUB
17h 45m2 stops
Air Canada Logo
9:50 am - 10:45 pmDUB-STL
18h 55m2 stops
$681Air Canada
Find Deal
Sun, Jul 20 - Fri, Aug 1
Air Canada Logo
4:00 pm - 7:45 amSTL-DUB
33h 45m2 stops
Air Canada Logo
9:50 am - 10:45 pmDUB-STL
18h 55m2 stops
$683Air Canada
Find Deal
Sat, Jul 19 - Fri, Aug 1
Iberia Logo
4:12 pm - 9:45 amSTL-DUB
11h 33m1 stop
Iberia Logo
9:15 am - 10:16 amDUB-STL
30h 01m2 stops
$723Iberia
Find Deal
Wed, Oct 22 - Mon, Oct 27
Iberia Logo
2:01 pm - 9:45 amSTL-DUB
13h 44m1 stop
Iberia Logo
12:40 pm - 10:27 pmDUB-STL
15h 47m1 stop
$764Iberia
Find Deal
Thu, Sep 11 - Sun, Sep 21
Delta Logo
10:45 am - 8:15 amSTL-DUB
15h 30m2 stops
Delta Logo
1:20 pm - 11:39 pmDUB-STL
16h 19m2 stops
$768Delta
Find Deal
Tue, Aug 19 - Sun, Aug 24
Aer Lingus Logo
1:38 pm - 8:10 amSTL-DUB
12h 32m2 stops
Aer Lingus Logo
11:35 am - 6:33 pmDUB-STL
12h 58m1 stop
$962Aer Lingus
Find Deal
Mon, May 5 - Sun, May 18

Scandinavian Airlines flights from St. Louis to Dublin

Our best Scandinavian Airlines deals on St. Louis to Dublin flight tickets
Scandinavian Airlines
Oct 22
STL1:30 pmLambert-St Louis
40h 20m
2 stops
DUB11:50 amDublin
Oct 27
DUB12:30 pmDublin
40h 09m
2 stops
STL11:39 pmLambert-St Louis
Scandinavian Airlines
Apr 26
STL12:47 pmLambert-St Louis
21h 23m
2 stops
DUB4:10 pmDublin
May 4
DUB5:00 pmDublin
33h 39m
2 stops
STL8:39 pmLambert-St Louis

Air Canada flights from St. Louis to Dublin

Our best Air Canada deals on St. Louis to Dublin flight tickets
Air Canada
Jul 19
STL4:00 pmLambert-St Louis
33h 45m
2 stops
DUB7:45 amDublin
Aug 1
DUB9:50 amDublin
11h 31m
1 stop
STL3:21 pmLambert-St Louis
Air Canada
Jul 20
STL8:00 amLambert-St Louis
17h 45m
2 stops
DUB7:45 amDublin
Aug 1
DUB9:50 amDublin
18h 55m
2 stops
STL10:45 pmLambert-St Louis
Air Canada
Jul 19
STL4:00 pmLambert-St Louis
33h 45m
2 stops
DUB7:45 amDublin
Aug 1
DUB9:50 amDublin
18h 55m
2 stops
STL10:45 pmLambert-St Louis

See travel insights to Dublin from

How to get the cheapest flight ticket from St. Louis to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Dublin?

What is the cheapest month to fly to Dublin?

In general, November is the cheapest month to fly from St. Louis to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $659. If you’re not able to fly to Dublin in November, then February is your next best option. Flight prices from St. Louis to Dublin during February average around $698.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from St. Louis to Dublin is on a Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $865. Flights from St. Louis to Dublin on a Saturday will generally be more expensive and average around $972. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

In the evening is the cheapest time of day to fly from St. Louis to Dublin when you can find flight prices for as low as $556. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $1,057.

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from St. Louis when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $914 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from St. Louis for as low as $753 on momondo.

How have St. Louis to Dublin flight prices changed over time?

As of April 2025, prices for St. Louis to Dublin flights are approximately 50% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Dublin (STL to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Dublin

Best Price Found

$344

Fastest flight time

9h 35m

Direct flights

None

Airports in Dublin

1 airport
The best one-way flight to Dublin from St. Louis in the past 72 hours is $344. The best round-trip flight deal from St. Louis to Dublin found on momondo in the last 72 hours is $657.
The fastest flight from St. Louis to Dublin takes 9h 35m
There are no direct flights from St. Louis to Dublin. Popular non-direct route for this connection is Lambert-St Louis Airport - Dublin Airport.
There is 1 airport near Dublin: Dublin (DUB)

  • How far is Lambert-St Louis to Dublin by plane?

    The straight-line distance from Lambert-St Louis to Dublin is 3909.9 mi. A reasonable flight in good conditions will take 9h 35m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Dublin Airport?

    Prices for flights from Lambert-St Louis Airport to Dublin Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Dublin Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Dublin?


Best airlines flying from St. Louis to Dublin

Compare and see reviews for airlines that fly from St. Louis to Dublin with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $451Free CancellationRating
6.6
6,815 reviews
Search British Airways flights
IberiaPriceFrom $491Free CancellationRating
7.0
2,686 reviews
Search Iberia flights
Air CanadaPriceFrom $493Free CancellationRating
7.0
9,195 reviews
Search Air Canada flights
United AirlinesPriceFrom $500Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
KLMPriceFrom $520Free CancellationRating
7.8
1,333 reviews
Search KLM flights
LufthansaPriceFrom $560Free CancellationRating
6.7
7,029 reviews
Search Lufthansa flights
DeltaPriceFrom $567Free CancellationRating
8.0
7,919 reviews
Search Delta flights
American AirlinesPriceFrom $571Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Aer LingusPriceFrom $740Free CancellationRating
7.0
1,068 reviews
Search Aer Lingus flights

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Maynooth
Swords
Malahide
Leixlip
Naas
Mullingar
Castleknock
Kildare
Drogheda
Dundalk
Arklow
Cavan
Enniscorthy
Wicklow
Tullamore
Carlingford
Bray
Gorey

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Dublin?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dublin from St. Louis.

Can I find flights from St. Louis to Dublin with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Dublin flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Dublin?

momondo helps you find the best flight between St. Louis and Dublin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Dublin right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Dublin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dublin and let you know when they change.


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