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Cheap flights from Dublin to St. Louis from £559

DUB — STL
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to St. Louis

Fri 20/1111:30 -
2 stops18h 40m
Fri 4/1212:40 -
2 stops15h 35m
Deal found 27/10£644
Mon 21/1207:35 -
2 stops18h 17m
Sun 3/116:32 -
2 stops16h 23m
Deal found 29/10£659
Thu 17/1219:05 -
2 stops35h 29m
Thu 7/115:48 -
2 stops35h 37m
Deal found 28/10£678
Sat 14/1106:35 -
2 stops17h 19m
Wed 18/1111:35 -
2 stops17h 40m
Deal found 29/10£679
Fri 18/1211:30 -
2 stops18h 25m
Thu 7/106:25 -
2 stops21h 50m
Deal found 28/10£744
Thu 10/1211:30 -
2 stops16h 45m
Thu 17/1210:40 -
2 stops17h 35m
Deal found 26/10£765
Fri 6/1105:10 -
1 stop14h 35m
Thu 19/1113:00 -
1 stop15h 20m
Deal found 26/10£795
Fri 6/1110:40 -
1 stop11h 03m
Thu 19/1111:29 -
1 stop14h 01m
Deal found 26/10£814
Sat 12/1209:00 -
2 stops43h 30m
Sat 2/115:00 -
1 stop11h 10m
Deal found 26/10£823
Fri 18/1211:30 -
1 stop17h 55m
Thu 7/113:05 -
1 stop14h 05m
Deal found 28/10£827
Fri 20/1106:00 -
2 stops23h 22m
Sat 28/1106:00 -
2 stops20h 45m
Deal found 26/10£828

Find flight deals from Dublin to St. Louis

Round-trip from

£644

One-way from

£559

Popular in

July

Cheapest in

April

Average price

£980
20/11-4/12
  • 20/11-4/12
  • 4 total stops
  • 34h 15m total
  • Dublin to St. Louis
Search Deals
Delta
  • Delta
  • 22/3-31/12
  • 2 total stops
  • 17h 54m total
  • Dublin to St. Louis
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
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
Fastest return journey

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Mon 22/3

10:45-23:39

2 stops17h 54m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£559

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 1/4

12:00-08:48

1 stop26h 48m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£563

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Fri 20/11

11:30-00:10

2 stops18h 40m

Lambert-St Louis

Fri 4/12

12:40-10:15

2 stops15h 35m

£644

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 17/12

19:05-00:34

2 stops35h 29m

Lambert-St Louis

Thu 7/1

15:48-09:25

2 stops35h 37m

£678

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sat 13/3

07:35-23:50

2 stops22h 15m

Lambert-St Louis

Sun 21/3

20:02-14:55

2 stops13h 53m

£683

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Fri 18/12

11:30-23:55

2 stops18h 25m

Lambert-St Louis

Thu 7/1

06:25-10:15

2 stops21h 50m

£744

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 10/12

11:30-22:15

2 stops16h 45m

Lambert-St Louis

Thu 17/12

10:40-10:15

2 stops17h 35m

£765

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sat 12/12

09:00-22:30

2 stops43h 30m

Lambert-St Louis

Sat 2/1

15:00-08:10

1 stop11h 10m

£823

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 14/1

09:00-15:26

1 stop12h 26m

Lambert-St Louis

Mon 18/1

15:03-08:10

1 stop11h 07m

£828

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Fri 20/11

10:45-20:29

2 stops15h 44m

Lambert-St Louis

Fri 4/12

14:33-08:45

2 stops12h 12m

£830

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Dublin to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Dublin with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Dublin to St. Louis

What’s the top stopover airport for flights from Dublin to St. Louis?

London (LHR) – chosen by Cheapflights users on 56% of one-stop itineraries from Dublin to St. Louis on Cheapflights.

What’s the cheapest stopover airport for flights from Dublin to St. Louis?

London (LHR) is the most affordable one-stop option, with an average return flight price of £732.

What’s the fastest stopover option from Dublin to St. Louis?

Flights via Detroit (DTW) have the shortest average one-way travel time for one-stop routes: 11h 14m.

Which airport typically offers the quickest stopover for flights from Dublin to St. Louis?

Flights via Detroit (DTW) offer the fastest connection on this route, with an average stopover time of 1h 30m.

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown with Aer Lingus and United Airlines from Dublin to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,868 reviews
Check prices

Overall

7.3

Entertainment

7.1

Boarding

7.5

Comfort

7.2

Crew

8.1

Food

6.7

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Aer Lingus
7.3
Good
1,868 reviews
Aer Lingus
7.3
Good
1,868 reviews
Check prices

Overall

7.3

Entertainment

7.1

Boarding

7.5

Comfort

7.2

Crew

8.1

Food

6.7

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
United Airlines
7.3
Good
10,451 reviews
Aer Lingus
7.3
Good
1,868 reviews
Check prices

Overall

7.3

Entertainment

7.1

Boarding

7.5

Comfort

7.2

Crew

8.1

Food

6.7

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.

Related info for your journey

  • How long is the flight from Dublin to St. Louis?

    A quick flight from Dublin to St. Louis can take about 22h 15m. Scandinavian Airlines provides one of the quickest options available for as low as £683. The distance between Dublin and St. Louis is about 3909 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Dublin to St. Louis round-trip?

    According to our current data, United Airlines (£651), and Aer Lingus (£730) offers the cheapest pricing from Dublin to St. Louis. United Airlines is priced at 27% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Dublin to St. Louis that include hotel bookings?

    Yes. In addition to deals on Dublin to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to St. Louis.

  • Can I find deals for business class flights from Dublin to St. Louis?

    Yes. Cheapflights offers flight deals from Dublin to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dublin to St. Louis

Dublin to Kansas City flights

Top 2 airlines flying from Dublin to St. Louis

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£651Average£948FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£730Average£734FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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Cheapflights helps you search for flights from Dublin to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Dublin to St. Louis?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dublin to St. Louis.

Can Cheapflights find flights from Dublin to St. Louis with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Dublin to St. Louis, users can toggle the no change fees filter when performing a flight search.

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Yes! Start tracking prices for Dublin to St. Louis flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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