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Cheap flights from Dublin to St. Louis from €393

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 8/9. 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

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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.
Aer Lingus Logo
09:40 - 19:30
DUB
-
STL
15h 50m
1 stop
Aer Lingus Logo
21:35 - 14:50
STL
-
DUB
11h 15m
1 stop
€704Aer Lingus
Wed, 22 Apr - Wed, 29 Apr
American Airlines Logo
09:30 - 17:21
DUB
-
STL
13h 51m
1 stop
American Airlines Logo
17:21 - 11:50
STL
-
DUB
12h 29m
1 stop
€712American Airlines
Tue, 5 May - Tue, 12 May
American Airlines Logo
12:40 - 19:31
DUB
-
STL
12h 51m
1 stop
American Airlines Logo
15:38 - 09:45
STL
-
DUB
12h 07m
1 stop
€730American Airlines
Wed, 6 May - Sun, 10 May
Aer Lingus Logo
08:40 - 19:30
DUB
-
STL
16h 50m
1 stop
Aer Lingus Logo
21:35 - 14:50
STL
-
DUB
11h 15m
1 stop
€735Aer Lingus
Wed, 22 Apr - Wed, 29 Apr
American Airlines Logo
12:40 - 22:59
DUB
-
STL
16h 19m
1 stop
American Airlines Logo
16:30 - 11:50
STL
-
DUB
13h 20m
1 stop
€747American Airlines
Fri, 8 May - Wed, 13 May
Scandinavian Airlines Logo
12:40 - 23:36
DUB
-
STL
40h 56m
2 stops
Scandinavian Airlines Logo
13:03 - 18:20
STL
-
DUB
23h 17m
2 stops
€748Scandinavian Airlines
Fri, 17 Apr - Sat, 2 May
American Airlines Logo
09:30 - 17:21
DUB
-
STL
13h 51m
1 stop
American Airlines Logo
13:29 - 06:30
STL
-
DUB
11h 01m
1 stop
€751American Airlines
Mon, 4 May - Mon, 11 May
American Airlines Logo
09:30 - 16:41
DUB
-
STL
13h 11m
1 stop
American Airlines Logo
17:21 - 11:50
STL
-
DUB
12h 29m
1 stop
€780American Airlines
Fri, 8 May - Sat, 9 May
American Airlines Logo
09:30 - 19:30
DUB
-
STL
16h 00m
1 stop
American Airlines Logo
13:16 - 06:30
STL
-
DUB
11h 14m
1 stop
€786American Airlines
Thu, 7 May - Sat, 9 May
United Airlines Logo
11:35 - 16:39
DUB
-
STL
11h 04m
1 stop
United Airlines Logo
17:28 - 09:45
STL
-
DUB
10h 17m
1 stop
€789United Airlines
Sat, 9 May - Sun, 10 May

Aer Lingus flights from Dublin to St. Louis

Our best Aer Lingus deals on Dublin to St. Louis flight tickets
Aer Lingus
22 Apr
DUB09:40Dublin
15h 50m
1 stop
STL19:30Lambert-St Louis
29 Apr
STL21:35Lambert-St Louis
11h 15m
1 stop
DUB14:50Dublin
€704
Aer Lingus
22 Apr
DUB08:40Dublin
16h 50m
1 stop
STL19:30Lambert-St Louis
29 Apr
STL21:35Lambert-St Louis
11h 15m
1 stop
DUB14:50Dublin
€735

American Airlines flights from Dublin to St. Louis

Our best American Airlines deals on Dublin to St. Louis flight tickets
American Airlines
5 May
DUB09:30Dublin
13h 51m
1 stop
STL17:21Lambert-St Louis
12 May
STL17:21Lambert-St Louis
12h 29m
1 stop
DUB11:50Dublin
€712
American Airlines
6 May
DUB12:40Dublin
12h 51m
1 stop
STL19:31Lambert-St Louis
10 May
STL15:38Lambert-St Louis
12h 07m
1 stop
DUB09:45Dublin
€730
American Airlines
8 May
DUB12:40Dublin
16h 19m
1 stop
STL22:59Lambert-St Louis
13 May
STL16:30Lambert-St Louis
13h 20m
1 stop
DUB11:50Dublin
€747

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 12 March 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

Wed 22/4

09:40-19:30

1 stop15h 50m

Lambert-St Louis

Wed 29/4

21:35-14:50

1 stop11h 15m

€704

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Tue 5/5

09:30-17:21

1 stop13h 51m

Lambert-St Louis

Tue 12/5

17:21-11:50

1 stop12h 29m

€712

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 6/5

12:40-19:31

1 stop12h 51m

Lambert-St Louis

Sun 10/5

15:38-09:45

1 stop12h 07m

€730

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 22/4

08:40-19:30

1 stop16h 50m

Lambert-St Louis

Wed 29/4

21:35-14:50

1 stop11h 15m

€735

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 8/5

12:40-22:59

1 stop16h 19m

Lambert-St Louis

Wed 13/5

16:30-11:50

1 stop13h 20m

€747

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 17/4

12:40-23:36

2 stops40h 56m

Lambert-St Louis

Sat 2/5

13:03-18:20

2 stops23h 17m

€748

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 4/5

09:30-17:21

1 stop13h 51m

Lambert-St Louis

Mon 11/5

13:29-06:30

1 stop11h 01m

€751

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 8/5

09:30-16:41

1 stop13h 11m

Lambert-St Louis

Sat 9/5

17:21-11:50

1 stop12h 29m

€780

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 7/5

09:30-19:30

1 stop16h 00m

Lambert-St Louis

Sat 9/5

13:16-06:30

1 stop11h 14m

€786
Fastest return journey

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 9/5

11:35-16:39

1 stop11h 04m

Lambert-St Louis

Sun 10/5

17:28-09:45

1 stop10h 17m

€789

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

12h 20m

Direct flights

None
The fastest flight from Dublin to St. Louis takes 12h 20m
There are no direct flights from Dublin to St. Louis. There are no popular flight routes from Dublin to St. Louis.
Search flight deals

  • 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 12h 20m, 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
American AirlinesPriceFrom €127Free CancellationRating
7.1
11,435 reviews
Search American 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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