AU$4,662️ Cheap Flights from Belfast to St. Louis (2024)

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Belfast to St. Louis - Flights Starting at AU$4,662

Book one-way or return flights from Belfast to St. Louis from as little as AU$4,662. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

We monitor flight fares to help you seize the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Belfast to St. Louis

View airlines operating flights from Belfast to St. Louis. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

easyJet

From AU$1,066

Aer Lingus

From AU$1,735

Ryanair UK

From AU$2,585

KLM

From AU$3,533

British Airways

From AU$3,537

Lufthansa

From AU$3,544

Virgin Atlantic

From AU$3,563

Delta Air Lines

From AU$3,594

Iberia

From AU$3,712

ANA airlines

Find more flights and airlines

Alternative Routes from Belfast to St. Louis

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Belfast to St. Louis.

Cheapest
BFS
14:45
39h 14m
2 transfer
STL
23:59
Belfast International Airport - St. Louis Lambert International Airport
Wed, Jun 12easyJet
AU$1,066
BHD
15:25
23h 11m
4 transfer
STL
08:36
George Best Belfast City Airport - St. Louis Lambert International Airport
Mon, Jun 10British Airways
AU$1,684
BHD
15:25
23h 11m
4 transfer
STL
08:36
George Best Belfast City Airport - St. Louis Lambert International Airport
Mon, Jun 10British Airways
AU$1,684
Find More Flights

Frequently Asked Questions

When are flight tickets from Belfast (BFS) to St. Louis (STL) the cheapest?
Airlines adjust prices for flights from Belfast to St. Louis based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Belfast (BFS) to St. Louis (STL) cost?
According to Trip.com's data, the lowest price is around AU$3,510.
What is the transportation method from the main airport to downtown in St. Louis?
- The distance from St. Louis Lambert International Airport to downtown is about 20km. It takes about 40 minutes by taxi.

How to find a cheap flight from Belfast to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Belfast to St. Louis. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

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