Cheap flights from St. Louis to Belfast from $336

Round-trip
1 adult
Economy
0 bags
From?
To?
Sun 10/9
Sun 10/16

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Flight information for St. Louis to Belfast

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

Best Price Found

$336

Fastest flight time

19h 37m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from St. Louis in the past 72 hours is $336. The best round-trip flight deal from St. Louis to Belfast found on momondo in the last 72 hours is $846.
The fastest flight from St. Louis to Belfast takes 19h 37m
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 are 2 airports near Belfast: Belfast Intl (BFS), Belfast City (BHD)

How to get the cheapest flight ticket from St. Louis to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies to Belfast from St. Louis?

British Airways. British Airways is the most popular carrier operating from St. Louis to Belfast

What is the cheapest St. Louis to Belfast flight route?

Lambert-St Louis - Belfast City. Fly from Lambert-St Louis to Belfast City for the best St. Louis - Belfast flight prices

When you’re planning your trip from St. Louis to Belfast, the most popular airport-to-airport route is Lambert-St Louis Airport to Belfast Intl Airport. When traveling from St. Louis, it is helpful to have an alternative airport to fly into when you land in Belfast. The nearest airport to Belfast Intl Airport is Belfast City Airport which is located in Belfast. In October, $846 is typically the cheapest round trip price you’ll find from St. Louis to Belfast which you can find when you fly STL — BFS.

Lambert-St Louis Airport (STL) to Belfast Intl Airport (BFS)$846
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Lambert-St Louis Airport (STL) to Belfast City Airport (BHD)$846
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Easily compare round-trip flights from St. Louis to Belfast

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Belfast by changing tabs
British Airways
Dec 9
STL7:48 amLambert-St Louis
19h 37m
2 stops
BHD3:25 amBelfast City
Dec 30
BHD1:45 amBelfast City
21h 59m
2 stops
STL11:44 pmLambert-St Louis
Air Canada
Dec 9
STL6:28 amLambert-St Louis
18h 57m
3 stops
BHD1:25 amBelfast City
Dec 30
BHD3:55 amBelfast City
16h 52m
2 stops
STL8:47 pmLambert-St Louis

Find the cheapest one-way flights from St. Louis to Belfast

Multiple Airlines
Dec 9
STL5:39 amLambert-St Louis
41h 36m
3 stops
BHD11:15 pmBelfast City
Multiple Airlines
Dec 9
STL5:39 amLambert-St Louis
45h 31m
3 stops
BFS3:10 amBelfast Intl
Multiple Airlines
Dec 9
STL5:39 amLambert-St Louis
39h 46m
2 stops
BFS9:25 pmBelfast Intl

Best airlines flying from St. Louis to Belfast

Compare and see reviews for airlines that fly from St. Louis to Belfast with momondo
AirlineRatingFree CancellationPrice
British AirwaysPriceFrom $774Free CancellationRating
6.4
6.7

Boarding

6.6

Comfort

7.3

Crew

6.3

Entertainment

6.1

Food

Reviews

Not pleased with the staff allowing their friend to save seats that nobody used except their friend to lay down using all three seats. Also, food was served and three hours later they give the same meal to another passenger that turned on her light and kept the 25 people around her awake!

1 / 10
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  • Are airlines flying from Lambert-St Louis to Belfast offering flexible changes due to COVID-19?

    Some of our partner airlines flying from Lambert-St Louis to Belfast are adopting new policies due to the global impact of COVID-19. One of the airlines that may be waiving their change fees is British Airways. You can search for the full list of airlines like British Airways that are offering this flexibility.

  • How far is Lambert-St Louis to Belfast by plane?

    The straight-line distance from Lambert-St Louis to Belfast is 3891.1 mi. Flights usually cover this in 18h 57m, depending on flying conditions and air traffic around both airports.



Similar St. Louis to Belfast flights

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Why use momondo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from St. Louis.

Yes. momondo allows you to filter the results for St. Louis to Belfast flights to just show those with flexible booking policies.

Once all potential St. Louis to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.