Cheap flights from Dublin to St Louis

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

All the information you need to plan the best DUB to STL flight in 2021: compare Dublin to St Louis flight prices with the expected peak season, weather and rainfall in St Louis.
DUB - STL
Price
£351 - £656
STL
Temperature
7 - 32 °C
STL
Rainfall
57 - 130 mm

Popular in

August

High demand for flights, 20% potential price rise

Cheapest in

September

Best time to find cheap flights, 33% potential price drop

Average price

£519

Average for round-trip flights in April 2021

Round-trip from

£351

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 Thursday. 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 57 days in advance to save up to 14% 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 57 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 £615, or £658 for flights within the next 24 hours.

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 in the morning. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight at midday.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Dublin</span> to <span class="emphasized">St Louis</span> 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 less rainfall in 2 compared to St Louis over the next 23 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

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for St Louis

Things to know before you go - useful duration and weather info for your trip from Dublin to St Louis.
Today's exchange rate
£1 = $1.38
Average temperature for April in St Louis
21.0 °C
Avg rainfall for April in St Louis
104.0 mm

Airports servicing Dublin

Airports servicing St. Louis

Top 4 airlines flying from Dublin to St Louis

The chart below displays the airlines Cheapflights users travelling from Dublin to St Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
£405 £556 No cancel fee 71%
Search American Airlines flights
Air Canada
£470 £733 No cancel fee 67%
Search Air Canada flights
Aer Lingus
£655 £787 No cancel fee N/A
Search Aer Lingus flights
United Airlines
£458 £854 No cancel fee 69%
Search United Airlines flights
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