Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Dublin from $264

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 7/31. 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.
United Airlines Logo
6:30 am - 9:45 am
STL
-
DUB
21h 15m
1 stop
United Airlines Logo
9:20 am - 12:06 pm
DUB
-
STL
32h 46m
1 stop
$460United Airlines
Wed, Apr 22 - Wed, May 13
United Airlines Logo
6:30 am - 9:45 am
STL
-
DUB
21h 15m
1 stop
United Airlines Logo
9:50 am - 10:28 pm
DUB
-
STL
42h 38m
2 stops
$464United Airlines
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
5:20 am - 7:45 am
STL
-
DUB
20h 25m
2 stops
United Airlines Logo
9:50 am - 6:32 pm
DUB
-
STL
14h 42m
1 stop
$468United Airlines
Tue, Aug 11 - Tue, Aug 25
United Airlines Logo
11:15 am - 7:30 am
STL
-
DUB
14h 15m
2 stops
United Airlines Logo
9:50 am - 10:28 pm
DUB
-
STL
42h 38m
2 stops
$469United Airlines
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
11:25 am - 8:10 am
STL
-
DUB
14h 45m
1 stop
United Airlines Logo
9:00 am - 3:29 pm
DUB
-
STL
12h 29m
1 stop
$471United Airlines
Thu, Feb 26 - Mon, Mar 2
British Airways Logo
8:03 pm - 6:50 pm
STL
-
DUB
16h 47m
2 stops
British Airways Logo
8:35 am - 7:30 pm
DUB
-
STL
16h 55m
1 stop
$472British Airways
Tue, Apr 14 - Wed, Apr 22
United Airlines Logo
5:20 am - 7:45 am
STL
-
DUB
20h 25m
2 stops
United Airlines Logo
9:20 am - 2:02 pm
DUB
-
STL
10h 42m
1 stop
$473United Airlines
Tue, Aug 11 - Wed, Aug 19
British Airways Logo
8:03 pm - 6:50 pm
STL
-
DUB
16h 47m
2 stops
British Airways Logo
8:30 pm - 5:21 pm
DUB
-
STL
26h 51m
2 stops
$475British Airways
Tue, Apr 14 - Wed, Apr 22
Air Canada Logo
12:10 pm - 7:45 am
STL
-
DUB
13h 35m
1 stop
Air Canada Logo
9:20 am - 8:02 pm
DUB
-
STL
16h 42m
1 stop
$476Air Canada
Sun, Aug 9 - Wed, Aug 19
British Airways Logo
9:40 pm - 4:20 pm
STL
-
DUB
12h 40m
1 stop
British Airways Logo
8:30 pm - 7:30 pm
DUB
-
STL
29h 00m
1 stop
$477British Airways
Sun, Aug 9 - Mon, Aug 24

British Airways flights from St. Louis to Dublin

Our best British Airways deals on St. Louis to Dublin flight tickets
British Airways
Apr 14
STL7:05 amLambert-St Louis
20h 35m
2 stops
DUB9:40 amDublin
Apr 22
DUB8:35 amDublin
16h 55m
1 stop
STL7:30 pmLambert-St Louis
$472
British Airways
Apr 14
STL8:03 pmLambert-St Louis
16h 47m
2 stops
DUB6:50 pmDublin
Apr 22
DUB8:30 pmDublin
26h 51m
2 stops
STL5:21 pmLambert-St Louis
$475
British Airways
Aug 9
STL9:40 pmLambert-St Louis
12h 40m
1 stop
DUB4:20 pmDublin
Aug 24
DUB8:30 pmDublin
29h 00m
1 stop
STL7:30 pmLambert-St Louis
$477

Delta flights from St. Louis to Dublin

Our best Delta deals on St. Louis to Dublin flight tickets
Delta
Mar 5
STL6:10 amLambert-St Louis
19h 35m
1 stop
DUB7:45 amDublin
Mar 18
DUB5:55 amDublin
23h 03m
2 stops
STL11:58 pmLambert-St Louis
$484
Delta
Mar 8
STL6:32 amLambert-St Louis
20h 13m
2 stops
DUB7:45 amDublin
Mar 18
DUB5:55 amDublin
16h 58m
2 stops
STL5:53 pmLambert-St Louis
$488
Delta
Aug 8
STL5:30 pmLambert-St Louis
32h 25m
1 stop
DUB7:55 amDublin
Aug 25
DUB11:00 amDublin
13h 02m
1 stop
STL6:02 pmLambert-St Louis
$491

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 February 16, 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

Wed 4/22

6:30 am-9:45 am

1 stop21h 15m

Dublin

Wed 5/13

9:20 am-12:06 pm

1 stop32h 46m

$460

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 4/21

6:30 am-9:45 am

1 stop21h 15m

Dublin

Tue 4/28

9:50 am-10:28 pm

2 stops42h 38m

$464

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 8/11

5:20 am-7:45 am

2 stops20h 25m

Dublin

Tue 8/25

9:50 am-6:32 pm

1 stop14h 42m

$468

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 4/21

11:15 am-7:30 am

2 stops14h 15m

Dublin

Tue 4/28

9:50 am-10:28 pm

2 stops42h 38m

$469

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Thu 2/26

11:25 am-8:10 am

1 stop14h 45m

Dublin

Mon 3/2

9:00 am-3:29 pm

1 stop12h 29m

$471

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 4/14

8:03 pm-6:50 pm

2 stops16h 47m

Dublin

Wed 4/22

8:35 am-7:30 pm

1 stop16h 55m

$472

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 8/11

5:20 am-7:45 am

2 stops20h 25m

Dublin

Wed 8/19

9:20 am-2:02 pm

1 stop10h 42m

$473

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 4/14

8:03 pm-6:50 pm

2 stops16h 47m

Dublin

Wed 4/22

8:30 pm-5:21 pm

2 stops26h 51m

$475

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 8/9

12:10 pm-7:45 am

1 stop13h 35m

Dublin

Wed 8/19

9:20 am-8:02 pm

1 stop16h 42m

$476

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 8/9

9:40 pm-4:20 pm

1 stop12h 40m

Dublin

Mon 8/24

8:30 pm-7:30 pm

1 stop29h 00m

$477

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, January 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 $523. If you’re not able to fly to Dublin in January, then November is your next best option. Flight prices from St. Louis to Dublin during November average around $557.

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 $740 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 $576 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
1,455 reviews
Search KLM flights
British AirwaysPriceFrom $418Free CancellationRating
6.7
7,752 reviews
Search British Airways flights
LufthansaPriceFrom $430Free CancellationRating
6.8
7,786 reviews
Search Lufthansa flights
Air CanadaPriceFrom $462Free CancellationRating
7.1
10,725 reviews
Search Air Canada flights
United AirlinesPriceFrom $468Free CancellationRating
7.4
9,308 reviews
Search United Airlines flights
IberiaPriceFrom $482Free CancellationRating
7.0
3,116 reviews
Search Iberia flights
DeltaPriceFrom $483Free CancellationRating
7.9
8,206 reviews
Search Delta flights
American AirlinesPriceFrom $488Free CancellationRating
7.2
11,294 reviews
Search American Airlines flights
Aer LingusPriceFrom $662Free CancellationRating
7.2
1,455 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
Mullingar
Bray
Kildare
Wicklow
Drogheda
Portmarnock
Arklow
Castleknock
Malahide
Leixlip
Carlingford
Cavan
Maynooth
Naas
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
Wed 3/18
Wed 3/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland