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Cheap flights from Dublin to St. Louis from €305

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.
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Cheap return flights

Scandinavian Airlines Logo
12:30 - 21:03DUB-STL
38h 33m2 stops
Scandinavian Airlines Logo
13:55 - 11:45STL-DUB
39h 50m2 stops
€523Scandinavian Airlines
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Thu, 4 Dec - Mon, 8 Dec
Scandinavian Airlines Logo
12:30 - 23:41DUB-STL
41h 11m2 stops
Scandinavian Airlines Logo
11:40 - 11:45STL-DUB
42h 05m2 stops
€524Scandinavian Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Scandinavian Airlines Logo
10:10 - 23:41DUB-STL
42h 31m2 stops
Scandinavian Airlines Logo
15:59 - 11:45STL-DUB
37h 46m2 stops
€652Scandinavian Airlines
Find Deal
Sun, 26 Oct - Sat, 8 Nov
Delta Logo
08:50 - 20:46DUB-STL
17h 56m2 stops
Delta Logo
14:36 - 15:45STL-DUB
19h 09m2 stops
€766Delta
Find Deal
Fri, 21 Nov - Sat, 29 Nov
Delta Logo
05:55 - 20:46DUB-STL
20h 51m2 stops
Delta Logo
16:30 - 08:45STL-DUB
10h 15m1 stop
€768Delta
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Fri, 21 Nov - Sat, 29 Nov
Delta Logo
05:55 - 20:46DUB-STL
20h 51m2 stops
Delta Logo
16:30 - 08:45STL-DUB
10h 15m1 stop
€769Delta
Find Deal
Fri, 21 Nov - Sat, 29 Nov
British Airways Logo
10:45 - 22:34DUB-STL
17h 49m2 stops
British Airways Logo
14:17 - 14:15STL-DUB
17h 58m2 stops
€772British Airways
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Fri, 21 Nov - Sat, 29 Nov
American Airlines Logo
11:30 - 20:21DUB-STL
14h 51m1 stop
American Airlines Logo
14:04 - 08:40STL-DUB
12h 36m2 stops
€778American Airlines
Find Deal
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
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Thu, 4 Dec - Mon, 8 Dec
Lufthansa Logo
17:20 - 13:55DUB-STL
26h 35m1 stop
Lufthansa Logo
13:00 - 08:10STL-DUB
13h 10m1 stop
€802Lufthansa
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Thu, 4 Dec - Mon, 8 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
38h 33m
2 stops
STL21:03Lambert-St Louis
8 Dec
STL13:55Lambert-St Louis
39h 50m
2 stops
DUB11:45Dublin
€523
Find similar
Scandinavian Airlines
4 Dec
DUB12:30Dublin
41h 11m
2 stops
STL23:41Lambert-St Louis
8 Dec
STL11:40Lambert-St Louis
42h 05m
2 stops
DUB11:45Dublin
€524
Find similar
Scandinavian Airlines
26 Oct
DUB10:10Dublin
42h 31m
2 stops
STL23:41Lambert-St Louis
8 Nov
STL15:59Lambert-St Louis
37h 46m
2 stops
DUB11:45Dublin
€652
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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
4 Dec
DUB11:30Dublin
14h 51m
1 stop
STL20:21Lambert-St Louis
8 Dec
STL14:04Lambert-St Louis
12h 36m
2 stops
DUB08:40Dublin
€778
Find similar
American Airlines
4 Dec
DUB11:30Dublin
14h 51m
1 stop
STL20:21Lambert-St Louis
8 Dec
STL10:13Lambert-St Louis
16h 27m
2 stops
DUB08:40Dublin
€779
Find similar
American Airlines
2 Nov
DUB16:00Dublin
13h 56m
2 stops
STL23:56Lambert-St Louis
17 Nov
STL14:17Lambert-St Louis
12h 28m
2 stops
DUB08:45Dublin
€2,943
Find similar

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 13 September 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

12:30-21:03

2 stops38h 33m

Lambert-St Louis

Mon 8/12

13:55-11:45

2 stops39h 50m

€523

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 4/12

12:30-23:41

2 stops41h 11m

Lambert-St Louis

Mon 8/12

11:40-11:45

2 stops42h 05m

€524

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 26/10

10:10-23:41

2 stops42h 31m

Lambert-St Louis

Sat 8/11

15:59-11:45

2 stops37h 46m

€652

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 21/11

08:50-20:46

2 stops17h 56m

Lambert-St Louis

Sat 29/11

14:36-15:45

2 stops19h 09m

€766

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 21/11

05:55-20:46

2 stops20h 51m

Lambert-St Louis

Sat 29/11

16:30-08:45

1 stop10h 15m

€768

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 21/11

05:55-20:46

2 stops20h 51m

Lambert-St Louis

Sat 29/11

16:30-08:45

1 stop10h 15m

€769

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 21/11

10:45-22:34

2 stops17h 49m

Lambert-St Louis

Sat 29/11

14:17-14:15

2 stops17h 58m

€772

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 4/12

11:30-20:21

1 stop14h 51m

Lambert-St Louis

Mon 8/12

14:04-08:40

2 stops12h 36m

€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

Thu 4/12

17:20-13:55

1 stop26h 35m

Lambert-St Louis

Mon 8/12

13:00-08:10

1 stop13h 10m

€802

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 €700, 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 €712.

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 €727. 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 €904.

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 €680. 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 €835.

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

As of September 2025, prices for Dublin to St. Louis flights are approximately 30% 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 13h 56m, 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 €126Free CancellationRating
7.2
10,000 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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