Dublin

$324+ Cheap flights from St. Louis (STL) to Dublin (DUB)

STL — DUB
Nov 29 — Dec 61
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Cheap flight deals from St. Louis to Dublin

Cheapest flights from St. Louis to Dublin

Tue 12/81:18 pm -
1 stop12h 52m
Tue 12/159:00 am -
2 stops33h 22m
Deal found 10/29$738
Mon 11/306:00 am -
1 stop19h 30m
Wed 12/165:10 am -
1 stop14h 35m
Deal found 10/27$744
Tue 12/86:55 pm -
2 stops30h 15m
Tue 12/159:00 am -
2 stops35h 41m
Deal found 10/29$746
Tue 12/18:30 am -
2 stops17h 00m
Wed 12/95:10 am -
1 stop14h 35m
Deal found 10/25$748
Mon 11/302:31 pm -
1 stop11h 14m
Wed 12/95:45 am -
2 stops17h 35m
Deal found 10/25$750
Mon 11/239:59 am -
1 stop15h 31m
Thu 12/39:00 am -
1 stop12h 26m
Deal found 10/26$751
Mon 11/302:31 pm -
1 stop11h 14m
Thu 12/109:55 am -
1 stop12h 29m
Deal found 10/25$754
Mon 11/305:00 pm -
1 stop10h 55m
Wed 12/169:30 am -
2 stops17h 53m
Deal found 10/27$756

Find flight deals from St. Louis to Dublin

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$683
(Expedia)

One-way from

$324
(Expedia)

Popular in

June

Cheapest in

September

Average price

$756
Provider with most accurate pricing for Lambert-St Louis-Dublin flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Dublin flights.
From Lambert-St Louis to Dublin
One-way flight from Lambert-St Louis to Dublin
Highest demand for flights based on searches. 27% potential increase in price ($284 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

 
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

Cheapest round-trip

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Sat 3/6

5:34 pm-7:30 am

2 stops31h 56m

Dublin

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$340

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Sun 12/13

7:27 am-9:30 am

1 stop20h 03m

Dublin

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$430

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Mon 11/9

7:26 am-9:30 am

1 stop20h 04m

Dublin

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$430
Quickest round-trip

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Sun 12/13

1:17 pm-12:10 pm

2 stops16h 53m

Dublin

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$448

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Mon 11/9

12:14 pm-7:10 pm

3 stops48h 56m

Dublin

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$449

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Sun 11/8

10:14 am-9:45 am

2 stops17h 31m

Dublin

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$464

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Mon 11/16

6:00 am-9:55 am

2 stops21h 55m

Dublin

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$464

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Mon 11/9

6:00 am-10:20 am

2 stops22h 20m

Dublin

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$464

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Mon 2/15

5:00 am-8:10 am

1 stop21h 10m

Dublin

Thu 2/18

9:00 am-3:58 pm

2 stops36h 58m

$690

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Mon 3/8

8:25 am-10:20 am

1 stop19h 55m

Dublin

Tue 3/23

8:00 am-3:26 pm

1 stop12h 26m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 17 resultsSorted by cheapest first
1
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Compare providers for flights from St. Louis to Dublin

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Dublin in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from St. Louis with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Dublin

How far ahead should I book a flight from St. Louis to Dublin?

To ensure you get the cheapest price possible for a flight from St. Louis to Dublin, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from St. Louis to Dublin?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Dublin (average of $368). Flying from St. Louis to Dublin in June is currently the most expensive (average of $1,227). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from St. Louis to Dublin?

Airfare is typical for this route at the moment.

St. Louis to Dublin flights typically cost between $600 and $901 in February.
The cheapest round-trip price found within the last 5 days was $683 on Multiple Airlines (Feb 2-Feb 16).

Reviews of airlines servicing Dublin

See what other customers who have flown with Delta,Aer Lingus, andUnited Airlines from St. Louis to Dublin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

  • How long is the flight from St. Louis to Dublin?

    Airlines like United Airlines and KLM fly from St. Louis to Dublin in about 13h 45m. The time it takes to get you to your destination can typically vary by up to 7h 25m. Airlines will cover a distance of 3909 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Dublin round-trip?

    According to our current data, Aer Lingus ($325), British Airways ($429), and Lufthansa ($430) offers the cheapest pricing from St. Louis to Dublin. Aer Lingus is 56% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $222 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $319 and $329, respectively.

  • Can I find deals for flights from St. Louis to Dublin that include hotel bookings?

    Yes. In addition to deals on St. Louis to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Dublin.

  • Can I find deals for business class flights from St. Louis to Dublin?

    Yes. Cheapflights offers flight deals from St. Louis to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Dublin?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Dublin (average of $368). Flying from St. Louis to Dublin in June is currently the most expensive (average of $1,227). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Castleknock
Bray

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Alternative routes for St. Louis to Dublin

Top 8 airlines flying from St. Louis to Dublin

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$325Average$400FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$429Average$625FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$430Average$637FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$474Average$768FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$482Average$852FlexibilityNo cancel feeOn-time71%
DeltaCheapest$484Average$945FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$489Average$800FlexibilityNo cancel feeOn-time69%
KLMCheapest$538Average$897FlexibilityNo cancel feeOn-time75%

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