Cheap flights from Ireland to St. Louis

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How to find the cheapest flight from
Ireland to St. Louis (STL)

All the information you need to plan the best null to STL flight in 2021: compare Ireland to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.
What is the cheapest month to fly from Ireland to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, September can be a great choice for travel to St. Louis. Flights to St. Louis from Ireland in September are about £526 on average during September, but can be found for as low as £335.

When is the cheapest time to fly from Ireland to St. Louis (IE0 - STL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to St. Louis as you normally would.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ireland</span> to <span class="emphasized">St. Louis</span> flights.

Flight FAQs

From Ireland to St. Louis

What airport do you fly into for flights to St. Louis from Ireland?

If you book a flight to St. Louis from Ireland, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the centre of St. Louis.

Are flight prices decreasing from Ireland 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 Ireland 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 Ireland to St. Louis flight route?

This flight path from Ireland to Lambert-St Louis was viewed by 50 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the most popular airlines that fly from Ireland to St. Louis?

When booking a flight from Ireland to St. Louis, you may want to consider flying on American Airlines, Air Canada or British Airways as they are the most popular for this route.

Related searches

Flights to St. Louis (STL) from Ireland
Flights to Ireland Flights to St. Louis

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COVID Restrictions

View COVID Travel Restrictions for St. Louis, MO

Do I need a COVID test to fly to St. Louis from Ireland?

Information is based on travel restrictions from Ireland to Lambert-St Louis

Most visitors from Ireland will not be allowed to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Ireland must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Ireland are not required to quarantine after entering Lambert-St Louis.

Do I need a test to fly back to Ireland from St. Louis?

Returning to Ireland from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ireland.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Ireland.

Hide COVID Travel Restrictions for St. Louis, MO

Destination information for St. Louis

Things to know before you go - useful duration and weather info for your trip from Ireland to St. Louis.
Today's exchange rate
£1 = $1.37
Average temperature for September in St. Louis
28.0 °C
Avg rainfall for September in St. Louis
76.0 mm

Airports servicing

Dublin (DUB)
Galway (GWY)
Knock (NOC)
Cork (ORK)
Shannon (SNN)

Airports servicing St. Louis

Top 4 airlines flying from Ireland to Lambert-St Louis

The chart below displays the airlines Cheapflights users travelling from Ireland 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
£296 £406 No cancel fee 71%
Search American Airlines flights
United Airlines
£335 £624 No cancel fee 69%
Search United Airlines flights
Air Canada
£343 £536 No cancel fee 67%
Search Air Canada flights
Aer Lingus
£479 £575 No cancel fee N/A
Search Aer Lingus flights
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