Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Dublin from $465

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 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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.
United Airlines Logo
1:30 pm - 7:45 amSTL-DUB
12h 15m1 stop
United Airlines Logo
9:20 am - 3:44 pmDUB-STL
36h 24m2 stops
$756United Airlines
Find Deal
Mon, Sep 15 - Tue, Sep 23
United Airlines Logo
7:25 am - 7:45 amSTL-DUB
18h 20m2 stops
United Airlines Logo
9:20 am - 3:44 pmDUB-STL
36h 24m2 stops
$761United Airlines
Find Deal
Mon, Sep 15 - Tue, Sep 23
United Airlines Logo
1:30 pm - 7:45 amSTL-DUB
12h 15m1 stop
United Airlines Logo
9:50 am - 10:40 amDUB-STL
30h 50m2 stops
$763United Airlines
Find Deal
Sun, Aug 24 - Fri, Sep 5
Air Canada Logo
9:40 am - 8:15 amSTL-DUB
16h 35m2 stops
Air Canada Logo
9:50 am - 12:36 pmDUB-STL
32h 46m1 stop
$782Air Canada
Find Deal
Wed, May 7 - Wed, May 14
Air Canada Logo
1:30 pm - 7:45 amSTL-DUB
12h 15m1 stop
Air Canada Logo
9:50 am - 7:57 pmDUB-STL
40h 07m2 stops
$835Air Canada
Find Deal
Fri, Sep 5 - Fri, Sep 12
Delta Logo
6:00 am - 7:45 amSTL-DUB
19h 45m1 stop
Delta Logo
1:15 pm - 11:26 pmDUB-STL
16h 11m2 stops
$859Delta
Find Deal
Thu, May 22 - Tue, May 27
Iberia Logo
8:01 pm - 11:40 amSTL-DUB
9h 39m1 stop
Iberia Logo
1:45 pm - 8:23 pmDUB-STL
12h 38m1 stop
$878Iberia
Find Deal
Fri, Sep 5 - Sat, Sep 13
Delta Logo
6:00 am - 7:45 amSTL-DUB
19h 45m1 stop
Delta Logo
1:15 pm - 11:38 pmDUB-STL
16h 23m2 stops
$909Delta
Find Deal
Fri, May 23 - Fri, Jun 6
Iberia Logo
4:23 pm - 11:40 amSTL-DUB
13h 17m1 stop
Iberia Logo
1:45 pm - 8:23 pmDUB-STL
12h 38m1 stop
$940Iberia
Find Deal
Wed, Jul 2 - Tue, Jul 8
Aer Lingus Logo
12:00 pm - 5:10 amSTL-DUB
11h 10m1 stop
Aer Lingus Logo
4:40 pm - 10:12 pmDUB-STL
11h 32m1 stop
$1,087Aer Lingus
Find Deal
Sat, Apr 12 - Sat, Apr 19

Air Canada flights from St. Louis to Dublin

Our best Air Canada deals on St. Louis to Dublin flight tickets
Air Canada
May 7
STL9:40 amLambert-St Louis
16h 35m
2 stops
DUB8:15 amDublin
May 14
DUB9:50 amDublin
32h 46m
1 stop
STL12:36 pmLambert-St Louis
Air Canada
Sep 5
STL1:30 pmLambert-St Louis
12h 15m
1 stop
DUB7:45 amDublin
Sep 12
DUB9:50 amDublin
40h 07m
2 stops
STL7:57 pmLambert-St Louis
Air Canada
May 6
STL1:30 pmLambert-St Louis
36h 45m
2 stops
DUB8:15 amDublin
May 12
DUB9:50 amDublin
16h 08m
2 stops
STL7:58 pmLambert-St Louis

Scandinavian Airlines flights from St. Louis to Dublin

Our best Scandinavian Airlines deals on St. Louis to Dublin flight tickets
Scandinavian Airlines
Aug 30
STL1:30 pmLambert-St Louis
20h 40m
2 stops
DUB4:10 pmDublin
Sep 7
DUB9:45 pmDublin
29h 04m
3 stops
STL8:49 pmLambert-St Louis
Scandinavian Airlines
Aug 30
STL1:30 pmLambert-St Louis
20h 40m
2 stops
DUB4:10 pmDublin
Sep 5
DUB12:40 pmDublin
40h 59m
2 stops
STL11:39 pmLambert-St Louis
Scandinavian Airlines
Sep 5
STL3:30 pmLambert-St Louis
35h 55m
2 stops
DUB9:25 amDublin
Sep 21
DUB10:15 amDublin
43h 24m
2 stops
STL11:39 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 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 $625. 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 $904 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 $768 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 26% 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

$465

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 $465. The best round-trip flight deal from St. Louis to Dublin found on momondo in the last 72 hours is $756.
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
IberiaPriceFrom $491Free CancellationRating
7.0
2,655 reviews
Search Iberia flights
Air CanadaPriceFrom $494Free CancellationRating
7.0
9,013 reviews
Search Air Canada flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
British AirwaysPriceFrom $499Free CancellationRating
6.6
6,715 reviews
Search British Airways flights
KLMPriceFrom $532Free CancellationRating
7.8
1,321 reviews
Search KLM flights
LufthansaPriceFrom $560Free CancellationRating
6.7
6,963 reviews
Search Lufthansa flights
DeltaPriceFrom $567Free CancellationRating
8.0
7,899 reviews
Search Delta flights
American AirlinesPriceFrom $572Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Aer LingusPriceFrom $740Free CancellationRating
7.0
1,060 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
Bray
Carlingford
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.


An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sun 4/6
Sun 4/13

Find better results for your trip to Ireland