St. Louis (STL) → Dublin (DUB)
About St. Louis to Dublin Flights
Discover the best flights from St. Louis to Dublin, covering 6,295 km in approximately 8h 22m. St. Louis (STL) to Dublin (DUB) is one of the major long-haul routes connecting United States and Ireland. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from St. Louis to Dublin.
12-Month Price History
Flight prices from St. Louis to Dublin vary significantly throughout the year. February typically offers the best deals with average prices around $1121, while July sees the highest prices, averaging $1878. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
116 days
For best prices
Booking Tips
For the best prices on St. Louis to Dublin flights, we recommend booking 135 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Ryanair FR | $1340 | - | - |
United Airlines UA | $1690 | $5620 | $11010 |
American Airlines AA | $1700 | $7630 | $10230 |
Delta Air Lines DL | $1950 | $7290 | $11620 |
British Airways BA | $1990 | $7890 | $12760 |
Air France AF | $2160 | $7310 | $12570 |
Aer Lingus EI | $2200 | $6930 | $9760 |
Ryanair
FR
Economy
$1340
Business
-
First
-
United Airlines
UA
Economy
$1690
Business
$5620
First
$11010
American Airlines
AA
Economy
$1700
Business
$7630
First
$10230
Delta Air Lines
DL
Economy
$1950
Business
$7290
First
$11620
British Airways
BA
Economy
$1990
Business
$7890
First
$12760
Air France
AF
Economy
$2160
Business
$7310
First
$12570
Aer Lingus
EI
Economy
$2200
Business
$6930
First
$9760
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
St. Louis → Belfast
St. Louis Lambert International (STL) to Belfast International (BFS)
Distance: 6,248 km
Average price: $1348
Don't Forget Travel Insurance!
Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to Dublin, Ireland.
- Medical coverage up to $250,000
- Trip interruption & delays covered
- Lost luggage protection included
From just $45/month • Works in 180+ countries • COVID-19 coverage included
Trusted by 100,000+ travelers
Frequently Asked Questions
How long is the flight from St. Louis to Dublin?
The flight time from St. Louis (STL) to Dublin (DUB) is approximately 8 hours and 22 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between St. Louis and Dublin?
The aerial distance between St. Louis and Dublin is 6,295 kilometers (3,912 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from St. Louis to Dublin?
Several airlines operate flights between St. Louis and Dublin, including Ryanair, Aer Lingus, American Airlines and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from St. Louis to Dublin?
Based on historical data, February typically offers the lowest airfares for flights from St. Louis to Dublin. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Dublin?
For the best prices on St. Louis to Dublin flights, we recommend booking 88 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from St. Louis to Dublin?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Ireland should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between St. Louis and Dublin?
St. Louis operates on America/Chicago time zone, while Dublin is in the Europe/Dublin time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.