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Cheap flights from Dublin to St. Louis from €333

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 20/9. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Dublin to St. Louis

Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
19:05 - 23:58
DUB
-
STL
34h 53m
2 stops
Scandinavian Airlines Logo
14:30 - 18:20
STL
-
DUB
21h 50m
2 stops
€707Scandinavian Airlines
Sun, 30 Aug - Mon, 14 Sep
Multiple Airlines Logo
07:05 - 15:28
DUB
-
STL
38h 23m
2 stops
Multiple Airlines Logo
15:30 - 11:40
STL
-
DUB
14h 10m
1 stop
€816Multiple Airlines
Sun, 30 Aug - Mon, 14 Sep
WestJet Logo
09:40 - 20:42
DUB
-
STL
17h 02m
2 stops
WestJet Logo
10:29 - 09:20
STL
-
DUB
16h 51m
2 stops
€842WestJet
Sat, 5 Sep - Sat, 19 Sep
Multiple Airlines Logo
09:40 - 22:59
DUB
-
STL
19h 19m
3 stops
Multiple Airlines Logo
12:10 - 07:45
STL
-
DUB
13h 35m
1 stop
€860Multiple Airlines
Thu, 27 Aug - Wed, 9 Sep
United Airlines Logo
13:35 - 23:38
DUB
-
STL
16h 03m
1 stop
United Airlines Logo
17:36 - 09:45
STL
-
DUB
10h 09m
1 stop
€861United Airlines
Wed, 23 Sep - Sat, 3 Oct
Multiple Airlines Logo
09:30 - 00:14
DUB
-
STL
20h 44m
1 stop
Multiple Airlines Logo
21:35 - 19:30
STL
-
DUB
15h 55m
1 stop
€901Multiple Airlines
Thu, 27 Aug - Wed, 9 Sep
Multiple Airlines Logo
13:15 - 20:22
DUB
-
STL
13h 07m
1 stop
Multiple Airlines Logo
14:40 - 07:45
STL
-
DUB
35h 05m
2 stops
€912Multiple Airlines
Sat, 5 Sep - Sat, 19 Sep
American Airlines Logo
11:30 - 21:52
DUB
-
STL
16h 22m
2 stops
American Airlines Logo
06:00 - 08:30
STL
-
DUB
20h 30m
1 stop
€915American Airlines
Wed, 2 Dec - Sun, 6 Dec
American Airlines Logo
11:30 - 10:17
DUB
-
STL
28h 47m
1 stop
American Airlines Logo
06:00 - 08:30
STL
-
DUB
20h 30m
1 stop
€919American Airlines
Wed, 2 Dec - Sun, 6 Dec
American Airlines Logo
11:30 - 21:08
DUB
-
STL
15h 38m
2 stops
American Airlines Logo
10:47 - 08:30
STL
-
DUB
15h 43m
1 stop
€919American Airlines
Wed, 2 Dec - Sun, 6 Dec

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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
2 Dec
DUB11:30Dublin
16h 22m
2 stops
STL21:52Lambert-St Louis
6 Dec
STL06:00Lambert-St Louis
20h 30m
1 stop
DUB08:30Dublin
€915
American Airlines
2 Dec
DUB11:30Dublin
28h 47m
1 stop
STL10:17Lambert-St Louis
6 Dec
STL06:00Lambert-St Louis
20h 30m
1 stop
DUB08:30Dublin
€919
American Airlines
2 Dec
DUB11:30Dublin
15h 38m
2 stops
STL21:08Lambert-St Louis
6 Dec
STL10:47Lambert-St Louis
15h 43m
1 stop
DUB08:30Dublin
€919

Air Canada flights from Dublin to St. Louis

Our best Air Canada deals on Dublin to St. Louis flight tickets
Air Canada
27 Aug
DUB09:50Dublin
13h 16m
2 stops
STL17:06Lambert-St Louis
9 Sept
STL10:53Lambert-St Louis
14h 52m
2 stops
DUB07:45Dublin
€980
Air Canada
7 Aug
DUB09:20Dublin
39h 22m
2 stops
STL18:42Lambert-St Louis
24 Aug
STL12:59Lambert-St Louis
12h 46m
2 stops
DUB07:45Dublin
€1,083
Air Canada
6 Aug
DUB09:50Dublin
13h 37m
2 stops
STL17:27Lambert-St Louis
21 Aug
STL12:59Lambert-St Louis
12h 46m
2 stops
DUB07:45Dublin
€1,181

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 24 July 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

Sun 30/8

19:05-23:58

2 stops34h 53m

Lambert-St Louis

Mon 14/9

14:30-18:20

2 stops21h 50m

€707

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 30/8

07:05-15:28

2 stops38h 23m

Lambert-St Louis

Mon 14/9

15:30-11:40

1 stop14h 10m

€816

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 5/9

09:40-20:42

2 stops17h 02m

Lambert-St Louis

Sat 19/9

10:29-09:20

2 stops16h 51m

€842

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 27/8

09:40-22:59

3 stops19h 19m

Lambert-St Louis

Wed 9/9

12:10-07:45

1 stop13h 35m

€860
Fastest return journey

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 23/9

13:35-23:38

1 stop16h 03m

Lambert-St Louis

Sat 3/10

17:36-09:45

1 stop10h 09m

€861

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 27/8

09:30-00:14

1 stop20h 44m

Lambert-St Louis

Wed 9/9

21:35-19:30

1 stop15h 55m

€901

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 5/9

13:15-20:22

1 stop13h 07m

Lambert-St Louis

Sat 19/9

14:40-07:45

2 stops35h 05m

€912

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 2/12

11:30-21:52

2 stops16h 22m

Lambert-St Louis

Sun 6/12

06:00-08:30

1 stop20h 30m

€915

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 2/12

11:30-10:17

1 stop28h 47m

Lambert-St Louis

Sun 6/12

06:00-08:30

1 stop20h 30m

€919

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 2/12

11:30-21:08

2 stops15h 38m

Lambert-St Louis

Sun 6/12

10:47-08:30

1 stop15h 43m

€919

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?

Prices are currently low for flights on this route.

Typical prices usually range from €1,107 to €1,231.
The lowest price recently found on this route was €707.

What is the cheapest month to fly to St. Louis?

The cheapest month to fly to St. Louis from Dublin is in November. Flight prices, which tend to average around €0, are often lower during this time because this is during the off-season. The month of April is another great option to travel to St. Louis, with average flight prices from Dublin averaging around €859.

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 26m

Direct flights

None
The fastest flight from Dublin to St. Louis takes 13h 26m
There are no direct flights from Dublin to St. Louis. There are no popular flight routes from Dublin to St. Louis.
Search flight deals

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 26m, 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 many operators does momondo search for flights from Dublin Airport to Lambert-St Louis Airport?

  • 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.

  • What is the most popular airline from Dublin to St. Louis?

Best airlines flying from Dublin to St. Louis

Compare and see reviews for airlines that fly from Dublin to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom €814Free CancellationRating
7.4
10,024 reviews
Search United Airlines flights

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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