£467 Find Cheap Flights from St. Louis to Belfast

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Belfast departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Belfast

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Belfast, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Belfast, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
£467
British Airways
Mon 12/1Tue 20/1
STL - BHD • 2 stops
Cheapest one-way flight
Multiple Airlines
Wed 17/12
STL - BF1 • multi-stop
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Belfast!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from St. Louis to Belfast (STL-BHD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from St. Louis to Belfast that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from St. Louis to Belfast

Mon, 12 Jan - Tue, 20 Jan
British Airways Logo
18:44 - 18:35
STL
-
BHD
17h 51m2 stops
British Airways Logo
06:35 - 18:16
BHD
-
STL
17h 41m2 stops
£467British Airways
Mon, 12 Jan - Tue, 20 Jan
British Airways Logo
17:04 - 16:05
STL
-
BHD
17h 01m2 stops
British Airways Logo
06:35 - 18:16
BHD
-
STL
17h 41m2 stops
£535British Airways
Wed, 4 Feb - Sun, 8 Feb
British Airways Logo
11:05 - 14:15
STL
-
BHD
21h 10m2 stops
British Airways Logo
17:35 - 21:15
BHD
-
STL
33h 40m2 stops
£627British Airways
Fri, 6 Feb - Tue, 10 Feb
British Airways Logo
15:37 - 17:15
STL
-
BHD
19h 38m2 stops
British Airways Logo
06:35 - 22:44
BHD
-
STL
22h 09m2 stops
£631British Airways
Wed, 31 Dec - Wed, 7 Jan
American Airlines Logo
14:06 - 14:15
STL
-
BHD
18h 09m2 stops
American Airlines Logo
06:35 - 18:34
BHD
-
STL
17h 59m2 stops
£818American Airlines
Useful Info

When to book flights from St. Louis to Belfast

Are your dates flexible? Find out the best times to travel from St. Louis to Belfast based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Belfast

  • What is the cheapest flight from St. Louis to Belfast?

    In the last 3 days, the lowest price for a flight from St. Louis to Belfast was £467 for a return ticket.

  • Which aircraft models fly most regularly from St. Louis to Belfast?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from St. Louis to Belfast?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Belfast.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Belfast?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Belfast?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast with an airline and back to St. Louis with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Belfast?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to Belfast

Information on your arrival and departure airports

St. Louis (STL)