STL

€438 Find Cheap Flights to St. Louis – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
€750
Typical prices: €831-€1,074
Scandinavian Airlines
Mon 12/11Fri 16/11
DUB - STL • 2 stops
Cheapest one-way flight
€438
Typical prices: €574-€835
Multiple Airlines
Sun 30/9
DUB - STL • 3 stops
Top airlines
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
When to travel
January
Cheapest • 12% price drop
September
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to St. Louis!
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Booking Insights
Flight Deals

Cheap Flights to St. Louis

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals to St. Louis

Thu, 12 Nov - Mon, 16 Nov
Scandinavian Airlines Logo
19:05 - 21:42DUB  Dublin-STL Lambert-St Louis
32h 37m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
14:31 - 11:45STL  Lambert-St Louis-DUB Dublin
39h 14m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
€750Scandinavian Airlines
Thu, 12 Nov - Mon, 16 Nov
Scandinavian Airlines Logo
19:05 - 21:42DUB  Dublin-STL Lambert-St Louis
32h 37m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
14:31 - 11:45STL  Lambert-St Louis-DUB Dublin
39h 14m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
€752Scandinavian Airlines
Sat, 31 Oct - Fri, 13 Nov
Scandinavian Airlines Logo
19:05 - 00:54DUB  Dublin-STL Lambert-St Louis
34h 49m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
12:29 - 09:25STL  Lambert-St Louis-DUB Dublin
38h 56m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
€851Scandinavian Airlines
Sun, 8 Nov - Sat, 21 Nov
Finnair Logo
12:55 - 20:19DUB  Dublin-STL Lambert-St Louis
13h 24m1 stop Dallas/Fort Worth
Finnair Logo
12:56 - 07:10STL  Lambert-St Louis-DUB Dublin
12h 14m1 stop Dallas/Fort Worth
€858Finnair
Sat, 31 Oct - Fri, 13 Nov
Multiple Airlines Logo
12:55 - 10:30DUB  Dublin-STL Lambert-St Louis
26h 35m1 stop Dallas/Fort Worth
Multiple Airlines Logo
13:15 - 08:40STL  Lambert-St Louis-DUB Dublin
13h 25m1 stop Philadelphia
€859Multiple Airlines
Sun, 8 Nov - Sat, 21 Nov
Multiple Airlines Logo
12:55 - 21:59DUB  Dublin-STL Lambert-St Louis
15h 04m1 stop Dallas/Fort Worth
Multiple Airlines Logo
17:29 - 17:45STL  Lambert-St Louis-DUB Dublin
18h 16m2 stops Chicago O'Hare Intl London Heathrow
€860Multiple Airlines
Fri, 30 Oct - Thu, 12 Nov
Multiple Airlines Logo
12:55 - 21:59DUB  Dublin-STL Lambert-St Louis
14h 04m1 stop Dallas/Fort Worth
Multiple Airlines Logo
08:29 - 07:10STL  Lambert-St Louis-DUB Dublin
16h 41m1 stop Dallas/Fort Worth
€861Multiple Airlines
Fri, 30 Oct - Thu, 12 Nov
Multiple Airlines Logo
11:30 - 22:14DUB  Dublin-STL Lambert-St Louis
15h 44m1 stop Philadelphia
Multiple Airlines Logo
17:29 - 14:00STL  Lambert-St Louis-DUB Dublin
14h 31m2 stops Chicago O'Hare Intl London Heathrow
€865Multiple Airlines
Sun, 8 Nov - Sat, 21 Nov
American Airlines Logo
11:30 - 23:58DUB  Dublin-STL Lambert-St Louis
18h 28m2 stops Philadelphia Charlotte Douglas
American Airlines Logo
12:57 - 08:40STL  Lambert-St Louis-DUB Dublin
13h 43m2 stops Charlotte Douglas Philadelphia
€866American Airlines
Sun, 8 Nov - Sat, 21 Nov
American Airlines Logo
11:30 - 23:58DUB  Dublin-STL Lambert-St Louis
18h 28m2 stops Philadelphia Charlotte Douglas
American Airlines Logo
12:57 - 08:40STL  Lambert-St Louis-DUB Dublin
13h 43m2 stops Charlotte Douglas Philadelphia
€868American Airlines
Booking Insights

Price, demand, and travel trends for Ireland to St. Louis flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Ireland to St. Louis with more confidence.

What is the cheapest flight to St. Louis?

Dublin to St. Louis is the cheapest route at €750 return, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.

How much is a flight to St. Louis?

A return flight to St. Louis costs €948 on average, based on data over the past 12 months on KAYAK. Return fares from Dublin average €953.

What is the cheapest day to fly to St. Louis?

Tuesday is the cheapest day to fly to St. Louis at €839 return on average over the past 12 months on KAYAK. Sunday is the most expensive at €1,155.

What is the cheapest time of day to fly to St. Louis?

Afternoon flights to St. Louis are the cheapest at €912 return on average. Morning flights are the most expensive at €937.

Find deals

Key details for flights to St. Louis

Low season

March

Cheapest flight

€438
Best time to beat the crowds (2% less expensive on average)
Most popular time to fly and prices are also 9% lower on average.
Flights from Dublin to St. Louis

When to book flights to St. Louis

Are your dates flexible? Find out the best times to travel to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your questions about flights to St. Louis, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What is the difference between the most popular and the most frequent airline at St. Louis?

    Aer Lingus operates the most flights from Ireland to St. Louis at 0 per week, while British Airways is the airline most often selected by KAYAK users searching for flights from Ireland to St. Louis. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

  • How far is Lambert-St Louis from St. Louis city centre?

    Lambert-St Louis is 21.1 km from St. Louis city centre.

  • How do I know if a flight to St. Louis is a good deal?

    A good deal on a flight to St. Louis is around €831 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

Your guide to booking St. Louis flights

From booking to airport arrival, find tips to help you plan your flight with more confidence.
  • For flights to St. Louis, recent KAYAK data shows that stronger deals tend to be around €831 return. If you see a fare below that threshold, it's a good deal – book before the price climbs back up.
  • If you can choose when to go, aim to travel to St. Louis in January. Return fares historically average €839 that month – typically the cheapest month to travel based on the last 12 months.
  • Before you book:

    • Check the route's typical price range so you can spot a deal.
    • Confirm baggage fees and seat selection costs on budget carriers.
    • Verify whether you need any travel documents beyond an ID.
    • Pick a departure airport, since your nearest may not be the cheapest origin.
  • Shift your departure to midday to save up to €25 per return. Midday flights to St. Louis average €912 compared to €937 for morning flights. See the time-of-day chart above for the full breakdown.
  • Once you arrive in St. Louis, a few great places to start are America's Center Convention Complex and Downtown St. Louis. These are popular with first-time visitors and can give you a good feel for the area.

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Wentzville

More options for your flight to St. Louis