Cheap flights from Belfast-George Best to St. Louis
Cheap return flights from Belfast-George Best to St. Louis
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
St. Louis flight facts
What you need to know
What are the cheapest airlines?
- Ryanair
- easyJet
- British Airways
These airlines usually offer the cheapest flights from Belfast-George Best to St. Louis.
What airlines fly indirectly?
- American Airlines
- Delta Air Lines
- United Airlines
These airlines fly from Belfast-George Best to St. Louis, but you’ll have at least one layover.
How long is the flight?
12 hours 30 minutes
This is the shortest flight time from Belfast-George Best to St. Louis.
Alternative flights from the UK to St. Louis
Check out prices for other routes
Alternative flights from Belfast-George Best
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Belfast-George Best/St. Louis route. There are around 35 flights on any given week from the UK to St. Louis and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Belfast-George Best to St. Louis
Tips and advice from our flight experts
You've searched for flights from Belfast to St. Louis. We've found 25 flights and compared them to give you the best offers. Ryanair is, on average, the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for the route Belfast to St. Louis on 05/03/2026 at 19:20 for £32.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 7,200 km flight from Belfast to St. Louis.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Ryanair is a popular choice for this route, and the average flight duration is about 12 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
Other popular destinations near St. Louis
Where other people are flying to
