Book your Saint Louis flight with Icelandair from GBP 1,986*

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Find flights to Saint Louis (STL) in the next 3 months

Icelandair airfare to Saint Louis - starting at GBP 1,986

From

Budget

GBP

London (LHR)to

Saint Louis (STL)

19 12 2026 - 26 12 2026

From

GBP 1,986

Viewed 2 days ago

Round trip

Economy

*Fares displayed have been collected within the last 72 hours and may no longer be available at the time of booking. We display fares for Economy Light as standard, but it is possible to change your class of service during the booking process. You can also add baggage meals and extra legroom to your trip during booking.

Flights to Saint Louis (STL) in the next 365 days

Book ahead and find our best prices in 2026 and beyond

From

Budget

GBP

Flights to Saint Louis (STL) in the next 365 days
From	To	Fare type	Dates	Price
London (LHR)	Saint Louis (STL)	Round trip / Economy	19 12 2026 - 26 12 2026	From GBP 1,986 Viewed 2 days ago

*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.