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Cheap flights from Dublin to St. Louis from €327

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 14/9. 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
0 bags

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Find the cheapest flights from Dublin to St. Louis

Cheap return flights

Scandinavian Airlines Logo
12:30 - 23:39DUB-STL
41h 09m2 stops
Scandinavian Airlines Logo
13:30 - 11:45STL-DUB
40h 15m2 stops
€523Scandinavian Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Scandinavian Airlines Logo
12:30 - 23:39DUB-STL
41h 09m2 stops
Scandinavian Airlines Logo
13:30 - 11:45STL-DUB
40h 15m2 stops
€627Scandinavian Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
 Logo
07:50 - 13:32DUB-STL
35h 42m3 stops
 Logo
13:30 - 07:45STL-DUB
12h 15m1 stop
€707
Find Deal
Thu, 28 Aug - Wed, 10 Sep
Scandinavian Airlines Logo
19:05 - 21:27DUB-STL
32h 22m2 stops
Scandinavian Airlines Logo
15:42 - 18:15STL-DUB
20h 33m2 stops
€716Scandinavian Airlines
Find Deal
Thu, 21 Aug - Thu, 28 Aug
 Logo
07:50 - 13:32DUB-STL
35h 42m3 stops
 Logo
13:30 - 07:45STL-DUB
12h 15m1 stop
€767
Find Deal
Wed, 20 Aug - Wed, 27 Aug
Lufthansa Logo
05:10 - 13:55DUB-STL
14h 45m1 stop
Lufthansa Logo
11:49 - 07:30STL-DUB
13h 41m1 stop
€788Lufthansa
Find Deal
Fri, 21 Nov - Sat, 29 Nov
Lufthansa Logo
11:45 - 13:55DUB-STL
32h 10m1 stop
Lufthansa Logo
12:24 - 07:30STL-DUB
13h 06m1 stop
€804Lufthansa
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Air Canada Logo
09:50 - 15:21DUB-STL
11h 31m1 stop
Air Canada Logo
09:15 - 08:15STL-DUB
17h 00m1 stop
€815Air Canada
Find Deal
Tue, 19 Aug - Tue, 26 Aug
American Airlines Logo
11:30 - 22:02DUB-STL
16h 32m2 stops
American Airlines Logo
14:40 - 08:40STL-DUB
12h 00m1 stop
€819American Airlines
Find Deal
Sat, 20 Dec - Fri, 9 Jan
Air Canada Logo
09:20 - 10:40DUB-STL
31h 20m2 stops
Air Canada Logo
13:30 - 07:45STL-DUB
12h 15m1 stop
€823Air Canada
Find Deal
Thu, 28 Aug - Wed, 10 Sep

Scandinavian Airlines flights from Dublin to St. Louis

Our best Scandinavian Airlines deals on Dublin to St. Louis flight tickets
Scandinavian Airlines
4 Dec
DUB12:30Dublin
41h 09m
2 stops
STL23:39Lambert-St Louis
8 Dec
STL13:30Lambert-St Louis
40h 15m
2 stops
DUB11:45Dublin
Scandinavian Airlines
4 Dec
DUB12:30Dublin
41h 09m
2 stops
STL23:39Lambert-St Louis
8 Dec
STL13:30Lambert-St Louis
40h 15m
2 stops
DUB11:45Dublin
Scandinavian Airlines
21 Aug
DUB19:05Dublin
32h 22m
2 stops
STL21:27Lambert-St Louis
28 Aug
STL15:42Lambert-St Louis
20h 33m
2 stops
DUB18:15Dublin

Lufthansa flights from Dublin to St. Louis

Our best Lufthansa deals on Dublin to St. Louis flight tickets
Lufthansa
21 Nov
DUB05:10Dublin
14h 45m
1 stop
STL13:55Lambert-St Louis
29 Nov
STL11:49Lambert-St Louis
13h 41m
1 stop
DUB07:30Dublin
Lufthansa
4 Dec
DUB11:45Dublin
32h 10m
1 stop
STL13:55Lambert-St Louis
8 Dec
STL12:24Lambert-St Louis
13h 06m
1 stop
DUB07:30Dublin
Lufthansa
20 Dec
DUB13:35Dublin
13h 35m
1 stop
STL21:10Lambert-St Louis
9 Jan
STL12:24Lambert-St Louis
13h 06m
1 stop
DUB07:30Dublin

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 August. Flight prices, which tend to average around €697, are often lower during this time because this is during the off-season. The month of February is another great option to travel to St. Louis, with average flight prices from Dublin averaging around €709.

What is the cheapest day to depart on your flight to St. Louis?

On average, the least expensive day to fly to St. Louis from Dublin is on a Thursday. momondo users have found tickets for Thursday departures for as low as €723. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to St. Louis for around €900.

What is the cheapest time of day to depart on your flight to St. Louis?

At midday is the cheapest time of day to fly from Dublin to St. Louis when you can find flight prices for as low as €677. Flying to St. Louis at midday is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of €831.

How have Dublin to St. Louis flight prices changed over time?

As of July 2025, prices for Dublin to St. Louis flights are approximately 24% cheaper when compared to flights at the same time last year.

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

Best price found

€327

Fastest flight time

10h 12m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Dublin in the past 72 hours is €327. The best return flight deal from Dublin to St. Louis found on momondo in the last 72 hours is €523.
The fastest flight from Dublin to St. Louis takes 10h 12m
There are no direct flights from Dublin to St. Louis. Popular non-direct route for this connection is Dublin Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • 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 11h 28m, 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 €125Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom €612Free CancellationRating
7.1
9,676 reviews
Search Air Canada 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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