How do I get Price Alerts for flights from St. Louis to Belfast?

You can take advantage of momondo’s Price Alerts by first searching for your flights to St. Louis from Belfast . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from St. Louis to Belfast with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Lambert-St Louis Airport to Belfast?

Prices for flights from Lambert-St Louis Airport to Belfast are refreshed on a daily basis.

How old do you have to be to fly from Lambert-St Louis Airport to Belfast?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Belfast.

What documentation or ID do you need to fly to Belfast?

The travel and health documents required for your trip to Belfast can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£619 Cheap Flights from St. Louis to Belfast in 2024/25

1 adult

0 bags

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Cheap return flights

These are some of the best return flight deals from St. Louis to Belfast that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Belfast.

Cheap last-minute flights

Planning a quick getaway from St. Louis to Belfast? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Belfast, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from St. Louis to Belfast

Find recent round-trip train or bus tickets from St. Louis to Belfast.

All round-trip flight deals to Belfast

The cheapest plane tickets to Belfast found on KAYAK recently.

14:05 - 10:20STL-BHD

15h 15m2 stops

15:05 - 19:25BHD-STL

33h 20m2 stops

£619British Airways

Find Deal

Sun, 23 Mar - Sat, 29 Mar

11:04 - 10:20STL-BHD

18h 16m2 stops

06:50 - 22:12BHD-STL

20h 22m3 stops

£1,213

Find Deal

Sun, 23 Mar - Sat, 29 Mar

STL-BF1

3891 mimulti-stop

Multiple Airlines

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Cheap St. Louis to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Belfast

Best price found	£619
Fastest flight time	15h 15m
Direct flights	None
Airports in Belfast	1 airport

The best flight deal from St. Louis to Belfast found on momondo in the last 72 hours is £619

The fastest flight from St. Louis to Belfast takes 15h 15m

There are no direct flights from St. Louis to Belfast. Popular non-direct route for this connection is Lambert-St Louis Airport - Belfast City Airport.

There is 1 airport near Belfast: Belfast City (BHD)

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How far is Lambert-St Louis to Belfast by plane?
Belfast is 3891.1 mi away from Lambert-St Louis. By plane, this route typically takes 15h 15m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Belfast?
Prices for flights from Lambert-St Louis Airport to Belfast are refreshed on a daily basis.
How old do you have to be to fly from Lambert-St Louis Airport to Belfast?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Belfast.
What documentation or ID do you need to fly to Belfast?
The travel and health documents required for your trip to Belfast can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

How do I get Price Alerts for flights from St. Louis to Belfast?
You can take advantage of momondo’s Price Alerts by first searching for your flights to St. Louis from Belfast. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from St. Louis to Belfast with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Belfast?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Belfast. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Belfast with flexible booking policies on momondo?

Flights from St. Louis to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Belfast?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Belfast.

I’m not ready to book a flight from St. Louis to Belfast right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Belfast from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.