St. Louis (STL) → Belfast (BFS)
About St. Louis to Belfast Flights
Discover the best flights from St. Louis to Belfast, covering 6,248 km in approximately 8h 19m. St. Louis (STL) to Belfast (BFS) is one of the major long-haul routes connecting United States and United Kingdom. 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 Belfast.
12-Month Price History
Flight prices from St. Louis to Belfast vary significantly throughout the year. February typically offers the best deals with average prices around $1215, while July sees the highest prices, averaging $2048. Savvy travelers can save up to 41% 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
66 days
For best prices
Booking Tips
For the best prices on St. Louis to Belfast flights, we recommend booking 148 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 |
|---|---|---|---|
American Airlines AA | $1700 | $6710 | $10230 |
British Airways BA | $1710 | $7470 | $10670 |
Lufthansa LH | $1770 | $7240 | $10720 |
Delta Air Lines DL | $1800 | $7130 | $10180 |
Emirates EK | $1870 | $8700 | $11910 |
Air France AF | $1950 | $6770 | $10230 |
United Airlines UA | $2050 | $5680 | $10640 |
American Airlines
AA
Economy
$1700
Business
$6710
First
$10230
British Airways
BA
Economy
$1710
Business
$7470
First
$10670
Lufthansa
LH
Economy
$1770
Business
$7240
First
$10720
Delta Air Lines
DL
Economy
$1800
Business
$7130
First
$10180
Emirates
EK
Economy
$1870
Business
$8700
First
$11910
Air France
AF
Economy
$1950
Business
$6770
First
$10230
United Airlines
UA
Economy
$2050
Business
$5680
First
$10640
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
St. Louis → Dublin
St. Louis Lambert International (STL) to Dublin (DUB)
Distance: 6,295 km
Average price: $1358
St. Louis → Glasgow
St. Louis Lambert International (STL) to Glasgow International (GLA)
Distance: 6,304 km
Average price: $1359
St. Louis → Glasgow
St. Louis Lambert International (STL) to Glasgow International (GLA)
Distance: 6,304 km
Average price: $1359
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Frequently Asked Questions
How long is the flight from St. Louis to Belfast?
The flight time from St. Louis (STL) to Belfast (BFS) is approximately 8 hours and 19 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 Belfast?
The aerial distance between St. Louis and Belfast is 6,248 kilometers (3,882 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from St. Louis to Belfast?
Several airlines operate flights between St. Louis and Belfast, including American Airlines, Delta Air Lines, United 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 Belfast?
Based on historical data, February typically offers the lowest airfares for flights from St. Louis to Belfast. 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 Belfast?
For the best prices on St. Louis to Belfast flights, we recommend booking 117 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from St. Louis to Belfast?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to United Kingdom 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 Belfast?
St. Louis operates on America/Chicago time zone, while Belfast is in the Europe/London time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.