Cheap flights from St. Louis to Ireland from $469
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Ireland departing on 6/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from St. Louis to Ireland
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cheap bus & train deals from St. Louis to Ireland
All round-trip flight deals to Ireland
Air Canada flights from St. Louis to Ireland
Our best Air Canada deals on St. Louis to Ireland flight tickets
Iberia flights from St. Louis to Ireland
Our best Iberia deals on St. Louis to Ireland flight tickets
See travel insights to Ireland from
How to get the cheapest flight ticket from St. Louis to Ireland
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ireland?
In general, November is the cheapest month to fly from St. Louis to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $597. If you aren’t able to travel to Ireland during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $615.
What is the cheapest day to depart on your flight to Ireland?
The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as $865. This is often the case because there is less demand to fly during this day of the week. Flights from St. Louis to Ireland on a Saturday will generally be more expensive and average around $972. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Ireland?
According to our data, the cheapest time of day to fly to Ireland is in the evening. momondo users have found flights departing from St. Louis to Ireland in the evening for as low as $556. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is at noon when prices are around $1,057.
How far in advance should I book a flight to Ireland?
We recommend purchasing flights from St. Louis to Ireland 25 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Ireland for $914. Keep in mind that you might be able to find cheaper flights to Ireland at any time. In fact, our users found flights for as low as $580 in the past 72 hours.
Cheap St. Louis to Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Ireland
When did momondo last update prices for flights from Lambert-St Louis Airport to Ireland?
Prices for flights from Lambert-St Louis Airport to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Ireland?
The number of operators available for flights from Lambert-St Louis Airport to Ireland is 9 as of December 2024.
How old do you have to be to fly from Lambert-St Louis Airport to Ireland?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from St. Louis to Ireland
Compare and see reviews for airlines that fly from St. Louis to Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $489 | Free Cancellation | Rating 7.4 9,028 reviews | |||
| PriceFrom $491 | Free Cancellation | Rating 7.0 2,651 reviews | |||
| PriceFrom $492 | Free Cancellation | Rating 7.0 8,421 reviews | |||
| PriceFrom $499 | Free Cancellation | Rating 6.6 6,810 reviews | |||
| PriceFrom $524 | Free Cancellation | Rating 6.8 7,083 reviews | |||
| PriceFrom $533 | Free Cancellation | Rating 7.8 1,345 reviews | |||
| PriceFrom $544 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $563 | Free Cancellation | Rating 8.0 8,594 reviews | |||
| PriceFrom $818 | Free Cancellation | Rating 7.1 1,076 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Ireland?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Ireland. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to Ireland with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Ireland flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Ireland?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Ireland.
I’m not ready to book a flight from St. Louis to Ireland right now. Can momondo alert me if prices change?
Price alerts on flights to Ireland from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.