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Cheap flights from Dublin to St. Louis from €412

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to St. Louis departing on 5/5. 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
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Find the cheapest flights from Dublin to St. Louis

Cheap return flights

Enter your travel dates to find the best prices.
Finnair Logo
09:30 - 22:19
DUB
-
STL
18h 49m
1 stop
Finnair Logo
17:00 - 11:50
STL
-
DUB
12h 50m
1 stop
€816Finnair
Sat, 9 May - Sun, 24 May
Finnair Logo
09:30 - 22:19
DUB
-
STL
18h 49m
1 stop
Finnair Logo
17:00 - 11:50
STL
-
DUB
12h 50m
1 stop
€818Finnair
Sat, 9 May - Sun, 24 May
Finnair Logo
09:30 - 22:19
DUB
-
STL
18h 49m
1 stop
Finnair Logo
17:00 - 11:50
STL
-
DUB
12h 50m
1 stop
€818Finnair
Sat, 9 May - Sun, 24 May
Finnair Logo
09:30 - 23:56
DUB
-
STL
20h 26m
1 stop
Finnair Logo
17:00 - 11:50
STL
-
DUB
12h 50m
1 stop
€819Finnair
Sun, 7 Jun - Sun, 14 Jun
Finnair Logo
09:30 - 23:56
DUB
-
STL
20h 26m
1 stop
Finnair Logo
17:00 - 11:50
STL
-
DUB
12h 50m
1 stop
€835Finnair
Tue, 9 Jun - Tue, 16 Jun
Scandinavian Airlines Logo
19:05 - 20:50
DUB
-
STL
31h 45m
2 stops
Scandinavian Airlines Logo
15:42 - 18:20
STL
-
DUB
20h 38m
2 stops
€850Scandinavian Airlines
Thu, 20 Aug - Mon, 14 Sep
Multiple Airlines Logo
19:25 - 00:14
DUB
-
STL
34h 49m
2 stops
Multiple Airlines Logo
16:29 - 10:35
STL
-
DUB
12h 06m
1 stop
€873Multiple Airlines
Tue, 18 Aug - Sun, 13 Sep
American Airlines Logo
12:40 - 11:27
DUB
-
STL
28h 47m
1 stop
American Airlines Logo
19:20 - 09:45
STL
-
DUB
32h 25m
1 stop
€875American Airlines
Sat, 9 May - Sun, 24 May
Finnair Logo
09:30 - 23:56
DUB
-
STL
20h 26m
1 stop
Finnair Logo
17:14 - 11:50
STL
-
DUB
12h 36m
1 stop
€876Finnair
Sat, 6 Jun - Sat, 13 Jun
American Airlines Logo
09:30 - 17:21
DUB
-
STL
13h 51m
1 stop
American Airlines Logo
17:00 - 11:50
STL
-
DUB
12h 50m
1 stop
€882American Airlines
Thu, 7 May - Sun, 7 Jun

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American Airlines flights from Dublin to St. Louis

Our best American Airlines deals on Dublin to St. Louis flight tickets
American Airlines
9 May
DUB12:40Dublin
28h 47m
1 stop
STL11:27Lambert-St Louis
24 May
STL19:20Lambert-St Louis
32h 25m
1 stop
DUB09:45Dublin
€875
American Airlines
7 May
DUB09:30Dublin
16h 00m
1 stop
STL19:30Lambert-St Louis
5 Jun
STL11:18Lambert-St Louis
13h 12m
1 stop
DUB06:30Dublin
€882

Finnair flights from Dublin to St. Louis

Our best Finnair deals on Dublin to St. Louis flight tickets
Finnair
9 May
DUB09:30Dublin
18h 49m
1 stop
STL22:19Lambert-St Louis
24 May
STL17:00Lambert-St Louis
12h 50m
1 stop
DUB11:50Dublin
€816
Finnair
9 May
DUB09:30Dublin
18h 49m
1 stop
STL22:19Lambert-St Louis
24 May
STL17:00Lambert-St Louis
12h 50m
1 stop
DUB11:50Dublin
€818
Finnair
9 May
DUB09:30Dublin
18h 49m
1 stop
STL22:19Lambert-St Louis
24 May
STL17:00Lambert-St Louis
12h 50m
1 stop
DUB11:50Dublin
€818

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to St. Louis 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 13,528 searches. Data last updated 27 April 2026.
Use the filters below to find and compare flights from Dublin to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/5

09:30-22:19

1 stop18h 49m

Lambert-St Louis

Sun 24/5

17:00-11:50

1 stop12h 50m

€816

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/5

09:30-22:19

1 stop18h 49m

Lambert-St Louis

Sun 24/5

17:00-11:50

1 stop12h 50m

€818

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/5

09:30-22:19

1 stop18h 49m

Lambert-St Louis

Sun 24/5

17:00-11:50

1 stop12h 50m

€818

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 7/6

09:30-23:56

1 stop20h 26m

Lambert-St Louis

Sun 14/6

17:00-11:50

1 stop12h 50m

€819

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Tue 9/6

09:30-23:56

1 stop20h 26m

Lambert-St Louis

Tue 16/6

17:00-11:50

1 stop12h 50m

€835

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 20/8

19:05-20:50

2 stops31h 45m

Lambert-St Louis

Mon 14/9

15:42-18:20

2 stops20h 38m

€850

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Tue 18/8

19:25-00:14

2 stops34h 49m

Lambert-St Louis

Sun 13/9

16:29-10:35

1 stop12h 06m

€873

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/5

12:40-11:27

1 stop28h 47m

Lambert-St Louis

Sun 24/5

19:20-09:45

1 stop32h 25m

€875

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 6/6

09:30-23:56

1 stop20h 26m

Lambert-St Louis

Sat 13/6

17:14-11:50

1 stop12h 36m

€876
Fastest return journey

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 7/5

09:30-17:21

1 stop13h 51m

Lambert-St Louis

Sun 7/6

17:00-11:50

1 stop12h 50m

€882

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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 Dublin and St. Louis?

When to book flights from Dublin to St. Louis

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

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

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

Fastest flight time

13h 11m

Direct flights

None
The fastest flight from Dublin to St. Louis takes 13h 11m
There are no direct flights from Dublin to St. Louis. There are no popular flight routes from Dublin to St. Louis.
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Frequently asked questions about flying from Dublin to St. Louis

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

    There are 6292.4 km between Dublin and Lambert-St Louis. Flights usually cover this in 13h 11m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Dublin Airport to Lambert-St Louis Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dublin Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Dublin to St. Louis. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Dublin with this policy.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Dublin to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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