Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Dublin from $283

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 5/20. 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.
Search flight deals

Find the cheapest flights from St. Louis to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:12 am - 9:00 am
STL
-
DUB
19h 48m
2 stops
British Airways Logo
12:50 pm - 7:30 pm
DUB
-
STL
12h 40m
1 stop
$405British Airways
Tue, Apr 14 - Wed, Apr 22
British Airways Logo
9:37 am - 10:15 am
STL
-
DUB
18h 38m
2 stops
British Airways Logo
12:50 pm - 7:30 pm
DUB
-
STL
12h 40m
1 stop
$406British Airways
Tue, Apr 14 - Wed, Apr 22
British Airways Logo
2:19 pm - 10:15 am
STL
-
DUB
13h 56m
2 stops
British Airways Logo
8:50 am - 9:12 pm
DUB
-
STL
18h 22m
2 stops
$411British Airways
Mon, Feb 23 - Tue, Mar 3
British Airways Logo
9:33 am - 11:15 am
STL
-
DUB
19h 42m
2 stops
British Airways Logo
7:35 am - 9:12 pm
DUB
-
STL
19h 37m
2 stops
$412British Airways
Tue, Feb 3 - Fri, Feb 13
British Airways Logo
5:51 pm - 3:40 pm
STL
-
DUB
16h 49m
2 stops
British Airways Logo
10:30 am - 11:48 pm
DUB
-
STL
19h 18m
2 stops
$416British Airways
Tue, Mar 24 - Tue, Mar 31
British Airways Logo
2:19 pm - 10:15 am
STL
-
DUB
13h 56m
2 stops
British Airways Logo
8:40 pm - 5:13 pm
DUB
-
STL
26h 33m
2 stops
$417British Airways
Sun, Feb 22 - Mon, Mar 2
British Airways Logo
7:05 am - 10:15 am
STL
-
DUB
21h 10m
2 stops
British Airways Logo
5:30 pm - 7:30 pm
DUB
-
STL
32h 00m
1 stop
$418British Airways
Mon, May 4 - Tue, May 12
British Airways Logo
1:29 pm - 2:35 pm
STL
-
DUB
19h 06m
2 stops
British Airways Logo
6:30 am - 4:16 pm
DUB
-
STL
15h 46m
2 stops
$421British Airways
Tue, Apr 14 - Wed, Apr 22
British Airways Logo
2:00 pm - 9:10 am
STL
-
DUB
13h 10m
2 stops
British Airways Logo
6:40 am - 6:07 pm
DUB
-
STL
16h 27m
2 stops
$424British Airways
Wed, Mar 4 - Wed, Mar 11
United Airlines Logo
8:30 am - 7:20 am
STL
-
DUB
16h 50m
1 stop
United Airlines Logo
9:50 am - 3:24 pm
DUB
-
STL
11h 34m
1 stop
$425United Airlines
Tue, Apr 14 - Wed, Apr 22

Air Canada flights from St. Louis to Dublin

Our best Air Canada deals on St. Louis to Dublin flight tickets
Air Canada
Apr 5
STL4:05 pmLambert-St Louis
10h 10m
1 stop
DUB8:15 amDublin
Apr 14
DUB9:50 amDublin
11h 34m
1 stop
STL3:24 pmLambert-St Louis
$429
Air Canada
Feb 1
STL9:57 amLambert-St Louis
15h 13m
2 stops
DUB7:10 amDublin
Feb 13
DUB9:00 amDublin
18h 40m
2 stops
STL9:40 pmLambert-St Louis
$439
Air Canada
Feb 26
STL7:41 amLambert-St Louis
17h 29m
2 stops
DUB7:10 amDublin
Mar 2
DUB9:00 amDublin
18h 05m
2 stops
STL9:05 pmLambert-St Louis
$489

Iberia flights from St. Louis to Dublin

Our best Iberia deals on St. Louis to Dublin flight tickets
Iberia
Feb 3
STL9:33 amLambert-St Louis
17h 07m
1 stop
DUB8:40 amDublin
Feb 13
DUB11:30 amDublin
17h 22m
1 stop
STL10:52 pmLambert-St Louis
$434
Iberia
Mar 4
STL2:00 pmLambert-St Louis
12h 40m
1 stop
DUB8:40 amDublin
Mar 11
DUB6:15 amDublin
19h 56m
2 stops
STL9:11 pmLambert-St Louis
$441
Iberia
Feb 3
STL7:15 amLambert-St Louis
19h 40m
2 stops
DUB8:55 amDublin
Feb 22
DUB11:30 amDublin
17h 34m
1 stop
STL11:04 pmLambert-St Louis
$473

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from St. Louis to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 4/14

7:12 am-9:00 am

2 stops19h 48m

Dublin

Wed 4/22

12:50 pm-7:30 pm

1 stop12h 40m

$405

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 4/14

9:37 am-10:15 am

2 stops18h 38m

Dublin

Wed 4/22

12:50 pm-7:30 pm

1 stop12h 40m

$406

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 2/23

2:19 pm-10:15 am

2 stops13h 56m

Dublin

Tue 3/3

8:50 am-9:12 pm

2 stops18h 22m

$411

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 2/3

9:33 am-11:15 am

2 stops19h 42m

Dublin

Fri 2/13

7:35 am-9:12 pm

2 stops19h 37m

$412

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 3/24

5:51 pm-3:40 pm

2 stops16h 49m

Dublin

Tue 3/31

10:30 am-11:48 pm

2 stops19h 18m

$416

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 2/22

2:19 pm-10:15 am

2 stops13h 56m

Dublin

Mon 3/2

8:40 pm-5:13 pm

2 stops26h 33m

$417

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 5/4

7:05 am-10:15 am

2 stops21h 10m

Dublin

Tue 5/12

5:30 pm-7:30 pm

1 stop32h 00m

$418

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 4/14

1:29 pm-2:35 pm

2 stops19h 06m

Dublin

Wed 4/22

6:30 am-4:16 pm

2 stops15h 46m

$421

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 3/4

2:00 pm-9:10 am

2 stops13h 10m

Dublin

Wed 3/11

6:40 am-6:07 pm

2 stops16h 27m

$424

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 4/14

8:30 am-7:20 am

1 stop16h 50m

Dublin

Wed 4/22

9:50 am-3:24 pm

1 stop11h 34m

$425

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $563. If you’re not able to fly to Dublin in November, then January is your next best option. Flight prices from St. Louis to Dublin during January average around $639.

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 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $796 when searching 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 $608 on momondo.

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

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

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from St. Louis to Dublin takes 11h 55m
There are no direct flights from St. Louis to Dublin. There are no popular flight routes from St. Louis to Dublin.
Search flight deals

  • 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 11h 55m.

  • 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
KLMPriceFrom $412Free CancellationRating
7.7
1,442 reviews
Search KLM flights
British AirwaysPriceFrom $418Free CancellationRating
6.7
7,690 reviews
Search British Airways flights
LufthansaPriceFrom $430Free CancellationRating
6.8
7,732 reviews
Search Lufthansa flights
Air CanadaPriceFrom $462Free CancellationRating
7.1
10,637 reviews
Search Air Canada flights
United AirlinesPriceFrom $472Free CancellationRating
7.4
9,183 reviews
Search United Airlines flights
IberiaPriceFrom $482Free CancellationRating
7.0
3,093 reviews
Search Iberia flights
DeltaPriceFrom $483Free CancellationRating
7.9
8,080 reviews
Search Delta flights
American AirlinesPriceFrom $541Free CancellationRating
7.2
11,166 reviews
Search American Airlines flights
Aer LingusPriceFrom $714Free CancellationRating
7.2
1,437 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
Swords
Athlone
Dundalk
Malahide
Mullingar
Bray
Kildare
Wicklow
Drogheda
Maynooth
Portmarnock
Arklow
Castleknock
Naas
Leixlip
Carlingford
Cavan
Thurles
Slane

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 2/19
Thu 2/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland