Find a great deal and save up to 0% by booking at least 48 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ireland to St Louis within the next two weeks, with the cheapest ticket starting at £581.
Flights from Ireland to St Louis lean towards being more expensive in July. Prices are generally better when you fly from Ireland to St Louis in March, with the cheapest ticket starting at £415.
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.
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.
Before booking your flight from Ireland to St Louis, check out the most popular airlines for this route: American Airlines, Air Canada or British Airways.