Cheap flights from Dublin to St Louis

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The best prices from Dublin to St Louis are usually found in September or December, booked 54 days in advance, depart on a Monday or Saturday and return on a Thursday

Return
Economy
Tue 27/10
Tue 3/11
From
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To
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Leaving on
Tue 27/10
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#removeLegButton($self.id("removeLeg$leg"))
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
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#removeLegButton($self.id("removeLeg$leg"))
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
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#removeLegButton($self.id("removeLeg$leg"))
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
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Anytime
#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#removeLegButton($self.id("removeLeg$leg"))
#infantInLapWarning('multiRightOfTravelers')

How to find the cheapest flight from
Dublin (DUB) to St Louis (STL)

DUB - STL
Price
£373 - £855
STL
Temperature
7 - 32 °C
STL
Rainfall
57 - 130 mm

Popular in

July

High demand for flights, 32% potential price rise

Cheapest in

September

Best time to find cheap flights, 35% potential price drop

Average price

£534

Average for round-trip flights in October 2020

Round-trip from

£373

From Dublin to St Louis

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from Dublin to St Louis?

Flights from Dublin to St Louis are generally found to be more expensive on Monday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St Louis.

How far in advance should I book a flight from Dublin to St Louis?

Travellers have found it’s best to book a flight 48 days in advance to save up to 0% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 48 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Dublin to St Louis 1-2 weeks in advance for as low as £579, or £579 for flights within the next 24 hours.

What is the cheapest month to fly from Dublin to St Louis?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, March can be a great choice for travel to St Louis. Flights to St Louis from Dublin in March are about £596 on average during March, but can be found for as low as £413.

When is the cheapest time to fly from Dublin to St Louis (DUB - STL)?

A simple way to save on the total cost of your ticket is to fly from Dublin to St Louis at midday. If you’re flexible enough to do this you can expect to save up to 6% on your trip compared to booking a flight in the afternoon.

Related info for your journey

Useful info, stats and facts about Dublin to St Louis flights.

Flight FAQs

From Dublin to St Louis

Are flight prices decreasing from Dublin to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Dublin and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

How popular is this flight route?

Flights from Dublin to Lambert-St Louis have been viewed 50 times in the past calendar month.

Does it rain more in Dublin or St Louis?

Dublin will have greater rainfall in 0 compared to St Louis over the next 24 days.

Is Dublin weather warmer or cooler than St Louis?

Expect the weather to be around 32 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in St Louis is generally hotter than in Dublin.

Alternative routes for Dublin to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from Dublin to St Louis
Today's exchange rate
£1 = $1.30
Average temperature for October in St Louis
22.0 °C
Avg rainfall for October in St Louis
71.0 mm

Airports servicing Dublin

Airports servicing St. Louis

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