Cheap flights from Dublin to St. Louis from €407

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 1/7. 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.
Iberia Logo
09:30 - 21:55
DUB
-
STL
18h 25m
1 stop
Iberia Logo
15:34 - 09:45
STL
-
DUB
12h 11m
1 stop
€838Iberia
Sat, 12 Sep - Sat, 19 Sep
Multiple Airlines Logo
13:45 - 23:44
DUB
-
STL
15h 59m
2 stops
Multiple Airlines Logo
11:18 - 06:30
STL
-
DUB
13h 12m
1 stop
€849Multiple Airlines
Wed, 24 Jun - Sat, 18 Jul
Iberia Logo
13:45 - 23:59
DUB
-
STL
16h 14m
1 stop
Iberia Logo
17:19 - 11:50
STL
-
DUB
12h 31m
1 stop
€850Iberia
Wed, 24 Jun - Sat, 18 Jul
American Airlines Logo
09:30 - 18:04
DUB
-
STL
14h 34m
2 stops
American Airlines Logo
08:43 - 09:35
STL
-
DUB
18h 52m
1 stop
€867American Airlines
Sat, 12 Sep - Sat, 19 Sep
Multiple Airlines Logo
09:40 - 20:31
DUB
-
STL
16h 51m
2 stops
Multiple Airlines Logo
12:59 - 09:55
STL
-
DUB
14h 56m
2 stops
€868Multiple Airlines
Sat, 12 Sep - Sat, 19 Sep
Multiple Airlines Logo
09:40 - 20:39
DUB
-
STL
16h 59m
2 stops
Multiple Airlines Logo
19:05 - 16:50
STL
-
DUB
15h 45m
2 stops
€901Multiple Airlines
Wed, 24 Jun - Sat, 18 Jul
Iberia Logo
09:30 - 18:57
DUB
-
STL
15h 27m
1 stop
Iberia Logo
20:07 - 11:50
STL
-
DUB
9h 43m
1 stop
€953Iberia
Sat, 15 Aug - Fri, 4 Sep
Iberia Logo
09:30 - 19:18
DUB
-
STL
15h 48m
1 stop
Iberia Logo
19:56 - 11:50
STL
-
DUB
9h 54m
1 stop
€954Iberia
Mon, 13 Jul - Mon, 27 Jul
Iberia Logo
13:45 - 23:34
DUB
-
STL
15h 49m
1 stop
Iberia Logo
20:07 - 11:50
STL
-
DUB
9h 43m
1 stop
€955Iberia
Sat, 15 Aug - Fri, 4 Sep
Iberia Logo
12:40 - 23:42
DUB
-
STL
17h 02m
1 stop
Iberia Logo
20:07 - 11:50
STL
-
DUB
9h 43m
1 stop
€957Iberia
Sat, 15 Aug - Fri, 4 Sep

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Air Canada flights from Dublin to St. Louis

Our best Air Canada deals on Dublin to St. Louis flight tickets
Air Canada
15 Jun
DUB09:50Dublin
14h 23m
2 stops
STL18:13Lambert-St Louis
28 Jun
STL13:13Lambert-St Louis
12h 32m
2 stops
DUB07:45Dublin
€1,069
Air Canada
15 Aug
DUB09:50Dublin
14h 52m
1 stop
STL18:42Lambert-St Louis
4 Sept
STL08:55Lambert-St Louis
16h 50m
2 stops
DUB07:45Dublin
€1,072
Air Canada
15 Aug
DUB09:50Dublin
16h 32m
2 stops
STL20:22Lambert-St Louis
4 Sept
STL08:55Lambert-St Louis
16h 50m
2 stops
DUB07:45Dublin
€1,079

Iberia flights from Dublin to St. Louis

Our best Iberia deals on Dublin to St. Louis flight tickets
Iberia
12 Sept
DUB09:30Dublin
18h 25m
1 stop
STL21:55Lambert-St Louis
19 Sept
STL15:34Lambert-St Louis
12h 11m
1 stop
DUB09:45Dublin
€838
Iberia
24 Jun
DUB13:45Dublin
16h 14m
1 stop
STL23:59Lambert-St Louis
18 Jul
STL17:19Lambert-St Louis
12h 31m
1 stop
DUB11:50Dublin
€850
Iberia
14 Jun
DUB12:40Dublin
14h 57m
1 stop
STL21:37Lambert-St Louis
27 Jun
STL20:14Lambert-St Louis
9h 36m
1 stop
DUB11:50Dublin
€854

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 11 June 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 12/9

09:30-21:55

1 stop18h 25m

Lambert-St Louis

Sat 19/9

15:34-09:45

1 stop12h 11m

€838

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 24/6

13:45-23:44

2 stops15h 59m

Lambert-St Louis

Sat 18/7

11:18-06:30

1 stop13h 12m

€849

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 24/6

13:45-23:59

1 stop16h 14m

Lambert-St Louis

Sat 18/7

17:19-11:50

1 stop12h 31m

€850

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 12/9

09:30-18:04

2 stops14h 34m

Lambert-St Louis

Sat 19/9

08:43-09:35

1 stop18h 52m

€867

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 12/9

09:40-20:31

2 stops16h 51m

Lambert-St Louis

Sat 19/9

12:59-09:55

2 stops14h 56m

€868

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 24/6

09:40-20:39

2 stops16h 59m

Lambert-St Louis

Sat 18/7

19:05-16:50

2 stops15h 45m

€901
Fastest return journey

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 15/8

09:30-18:57

1 stop15h 27m

Lambert-St Louis

Fri 4/9

20:07-11:50

1 stop9h 43m

€953

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 13/7

09:30-19:18

1 stop15h 48m

Lambert-St Louis

Mon 27/7

19:56-11:50

1 stop9h 54m

€954

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 15/8

13:45-23:34

1 stop15h 49m

Lambert-St Louis

Fri 4/9

20:07-11:50

1 stop9h 43m

€955

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 15/8

12:40-23:42

1 stop17h 02m

Lambert-St Louis

Fri 4/9

20:07-11:50

1 stop9h 43m

€957

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?

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 September is another great option to travel to St. Louis, with average flight prices from Dublin averaging around €835.

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

20h 44m

Direct flights

None
The fastest flight from Dublin to St. Louis takes 20h 44m
There are no direct flights from Dublin to St. Louis. There are no popular flight routes from Dublin to St. Louis.

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 20h 44m, 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 €650Free CancellationRating
7.1
11,640 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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1 adult
Sat 11/7
Sat 18/7

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