Skip to main content
Beginning of main content

Cheap Flights from St. Louis to Belfast $743.91

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia’s Price Guarantee
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheapest Flights from St. Louis to Belfast (STL to BFS)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from St. Louis to Belfast (STL to BFS)

Question : In the next four weeks, what day should you book your trip?
Answer : As of Feb 20th, the best day for deals to Belfast (BFS) is Mar 17th. It costs $821, which is 17% below this route's average price.

Question : How much should a trip from Saint Louis (STL) to Belfast (BFS) cost?
Answer : Flight prices change less than the majority of routes from the United States for STL to BFS. They vary from $821 to $1,218. The further out you book a route, the more likely you are to save.

Question : Which airline is giving the best deals for round-trip flights from Lambert-St. Louis International Airport (STL) to Belfast International Airport (BFS)?
Answer : Air Canada is the leader in keeping prices down for their passengers over the next three months. Bookings are being made at just $821 and, when compared to the high-end bookings of $1,218, it's quite a deal.

Question : Do travelers from Saint Louis typically stay in Belfast for very long?
Answer : Over the next two months, passengers from STL to BFS are planning on staying for about one week on average.

Question : Is price more important than specific travel days for you?
Answer : Friday is your cheapest day to fly in the month of March. Being flexible with your travel days garners even more savings during booking.