Cheap flights to St Louis

Q: How much is it to fly to St Louis?

£ 506. If you see a flight for even less than this, get booking – you've found a bargain.

Q: When is the best time to book cheap flights?

14 weeks. If you want cheap flights to St Louis, this is the best time to book.

Q: What are the cheapest airlines?

British Airways, Lufthansa, Air Canada, Virgin Atlantic, KLM. These airlines usually offer the cheapest flights to St Louis.

Q: What airlines fly indirectly?

Virgin Atlantic, Aer Lingus, KLM, British Airways, Lufthansa. Flying indirectly to St Louis can save you money.

Q: When is high season?

September. This is the most expensive time to fly to St Louis. If you want to go during this popular month, try to book in advance or grab a last-minute deal.

Q: When is the cheapest time to fly?

January. Flights to St Louis are generally cheaper at this time of year. Or, you can try to get a last-minute deal.

Q: How long is the flight to St Louis?

11 hrs 50 mins. This is the average flight time from the UK to St Louis.

Q: Which airports in the UK fly to St Louis?

London Heathrow, Manchester, Glasgow, Edinburgh, Birmingham. You can fly from any of these UK airports.

Q: How long should I stay in St Louis?

14 days. Most people spend this amount of time in St Louis.

Fly from as little as £700

5 nights in St Louis, departing London Heathrow on 08 / Oct / 2025 with British Airways (price found 15 hours ago)

Subject to availability, prices correct of the last 24 hours

Part of the Emirates Group

Safe & Secure, ATOL Protected

Over 30 Years in Business

Rated 'Excellent' on Trustpilot

Popular routes to St Louis from the UK

choose your favourite departure airport in the UK

London to St Louis

from £700 pp

Find flights

Manchester to St Louis

from £799 pp

Find flights

Edinburgh to St Louis

from £788 pp

Find flights

Birmingham to St Louis

from £949 pp

Find flights

Belfast to St Louis

search for price

Find flights

Glasgow to St Louis

from £827 pp

Find flights

You’ve searched for flights to St Louis. Currently, the cheapest priced departure date is 08 / Oct / 2025. We recommend you start your flight search well in advance of booking and monitor the cost of flights, unless you’re looking to bag a last minute deal. The more flexible you can be in your dates of travel, the more cheaper options will become available to you. For example, flying during the week is often cheaper than weekends.

St Louis flight facts

what you need to know

How much is it to fly to St Louis?

£ 506

If you see a flight for even less than this, get booking – you've found a bargain.

When is the best time to book cheap flights?

14 weeks

If you want cheap flights to St Louis, this is the best time to book.

What are the cheapest airlines?

British Airways
Lufthansa
Air Canada
Virgin Atlantic
KLM

These airlines usually offer the cheapest flights to St Louis.

What airlines fly indirectly?

Virgin Atlantic
Aer Lingus
KLM
British Airways
Lufthansa

Flying indirectly to St Louis can save you money.

When is high season?

September

This is the most expensive time to fly to St Louis. If you want to go during this popular month, try to book in advance or grab a last-minute deal.

When is the cheapest time to fly?

January

Flights to St Louis are generally cheaper at this time of year. Or, you can try to get a last-minute deal.

How long is the flight to St Louis?

11 hrs 50 mins

This is the average flight time from the UK to St Louis.

Which airports in the UK fly to St Louis?

London Heathrow
Manchester
Glasgow
Edinburgh
Birmingham

You can fly from any of these UK airports.

How long should I stay in St Louis?

14 days

Most people spend this amount of time in St Louis.

How to land a low priced flight to St Louis

booking advice, visa information and airports and airlines tips

Go through your results for flights to St Louis in the USA with Netflights. The most popular airlines for this route are Virgin Atlantic, Aer Lingus & KLM, with Virgin Atlantic claiming the top spot. Although British Airways usually has the best prices, it's best to double check what's available for your travel dates.

If you don’t have set dates for when you want to fly to St Louis, try searching by month – that way, you can compare airfares throughout the year. You'll probably see that prices will be higher during September, when St Louis is very popular, while January regularly has the cheapest prices.

St Louis receives 403 direct and indirect flights every week, but the cheapest airline is normally British Airways. We've scanned 2,692 worldwide today, to uncover the best deals. So, if the flights to St Louis don't work for you, you could always try searching for flights to other airports in the USA.

You can also broaden your search by looking at more than one departure airport. Have a look around – you might be able to save by flying from a different airport or city.