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Cheap flights from Dublin to St. Louis from €374

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 15/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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Scandinavian Airlines Logo
12:30 - 23:42DUB-STL
41h 12m2 stops
Scandinavian Airlines Logo
13:57 - 11:45STL-DUB
39h 48m2 stops
€593Scandinavian Airlines
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Thu, 4 Dec - Mon, 8 Dec
Scandinavian Airlines Logo
12:30 - 21:02DUB-STL
38h 32m2 stops
Scandinavian Airlines Logo
11:40 - 11:45STL-DUB
42h 05m2 stops
€594Scandinavian Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Lufthansa Logo
05:10 - 13:55DUB-STL
14h 45m1 stop
Lufthansa Logo
13:00 - 08:10STL-DUB
13h 10m1 stop
€768Lufthansa
Find Deal
Wed, 26 Nov - Thu, 4 Dec
Lufthansa Logo
05:00 - 19:16DUB-STL
20h 16m2 stops
Lufthansa Logo
12:55 - 10:20STL-DUB
15h 25m1 stop
€773Lufthansa
Find Deal
Thu, 27 Nov - Sat, 6 Dec
Multiple Airlines Logo
11:30 - 18:17DUB-STL
12h 47m1 stop
Multiple Airlines Logo
10:44 - 08:40STL-DUB
15h 56m1 stop
€777Multiple Airlines
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Fri, 21 Nov - Sat, 29 Nov
Multiple Airlines Logo
11:30 - 00:05DUB-STL
18h 35m2 stops
Multiple Airlines Logo
06:00 - 08:40STL-DUB
20h 40m1 stop
€778Multiple Airlines
Find Deal
Fri, 21 Nov - Sat, 29 Nov
American Airlines Logo
11:30 - 20:21DUB-STL
14h 51m1 stop
American Airlines Logo
10:13 - 08:40STL-DUB
16h 27m2 stops
€778American Airlines
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Thu, 4 Dec - Mon, 8 Dec
American Airlines Logo
11:30 - 20:21DUB-STL
14h 51m1 stop
American Airlines Logo
10:13 - 08:40STL-DUB
16h 27m2 stops
€779American Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Multiple Airlines Logo
11:30 - 00:05DUB-STL
18h 35m2 stops
Multiple Airlines Logo
10:56 - 08:40STL-DUB
15h 44m1 stop
€781Multiple Airlines
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Wed, 26 Nov - Fri, 5 Dec
United Airlines Logo
10:40 - 22:01DUB-STL
17h 21m2 stops
United Airlines Logo
09:00 - 07:30STL-DUB
16h 30m2 stops
€893United Airlines
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Fri, 19 Dec - Mon, 29 Dec

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 12m
2 stops
STL23:42Lambert-St Louis
8 Dec
STL13:57Lambert-St Louis
39h 48m
2 stops
DUB11:45Dublin
€593
Find similar
Scandinavian Airlines
4 Dec
DUB12:30Dublin
38h 32m
2 stops
STL21:02Lambert-St Louis
8 Dec
STL11:40Lambert-St Louis
42h 05m
2 stops
DUB11:45Dublin
€594
Find similar
Scandinavian Airlines
28 Oct
DUB12:30Dublin
38h 34m
2 stops
STL22:04Lambert-St Louis
24 Nov
STL14:00Lambert-St Louis
39h 45m
2 stops
DUB11:45Dublin
€785
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Lufthansa flights from Dublin to St. Louis

Our best Lufthansa deals on Dublin to St. Louis flight tickets
Lufthansa
26 Nov
DUB05:10Dublin
14h 45m
1 stop
STL13:55Lambert-St Louis
4 Dec
STL13:00Lambert-St Louis
13h 10m
1 stop
DUB08:10Dublin
€768
Find similar
Lufthansa
27 Nov
DUB05:00Dublin
20h 16m
2 stops
STL19:16Lambert-St Louis
6 Dec
STL12:55Lambert-St Louis
15h 25m
1 stop
DUB10:20Dublin
€773
Find similar
Lufthansa
25 Nov
DUB17:10Dublin
26h 45m
1 stop
STL13:55Lambert-St Louis
4 Dec
STL11:50Lambert-St Louis
16h 05m
1 stop
DUB09:55Dublin
€784
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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 26 October 2025.
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

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 4/12

12:30-23:42

2 stops41h 12m

Lambert-St Louis

Mon 8/12

13:57-11:45

2 stops39h 48m

€593

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 4/12

12:30-21:02

2 stops38h 32m

Lambert-St Louis

Mon 8/12

11:40-11:45

2 stops42h 05m

€594

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 26/11

05:10-13:55

1 stop14h 45m

Lambert-St Louis

Thu 4/12

13:00-08:10

1 stop13h 10m

€768

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 27/11

05:00-19:16

2 stops20h 16m

Lambert-St Louis

Sat 6/12

12:55-10:20

1 stop15h 25m

€773

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 21/11

11:30-18:17

1 stop12h 47m

Lambert-St Louis

Sat 29/11

10:44-08:40

1 stop15h 56m

€777

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 21/11

11:30-00:05

2 stops18h 35m

Lambert-St Louis

Sat 29/11

06:00-08:40

1 stop20h 40m

€778

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 4/12

11:30-20:21

1 stop14h 51m

Lambert-St Louis

Mon 8/12

10:13-08:40

2 stops16h 27m

€778

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 4/12

11:30-20:21

1 stop14h 51m

Lambert-St Louis

Mon 8/12

10:13-08:40

2 stops16h 27m

€779

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 26/11

11:30-00:05

2 stops18h 35m

Lambert-St Louis

Fri 5/12

10:56-08:40

1 stop15h 44m

€781

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 19/12

10:40-22:01

2 stops17h 21m

Lambert-St Louis

Mon 29/12

09:00-07:30

2 stops16h 30m

€893

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 August. Flight prices, which tend to average around €706, 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 €728.

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 €733. 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 €912.

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 €685. 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 €842.

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

As of October 2025, prices for Dublin to St. Louis flights are approximately 14% 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

Direct flights

None
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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  • 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 10h 55m, 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
7.2
11,030 reviews
Search American Airlines flights
United AirlinesPriceFrom €708Free CancellationRating
7.4
8,999 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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