When did momondo last update prices for flights from Missouri to Northern Ireland?

Prices for flights from Missouri to Northern Ireland are refreshed on a daily basis.

How old do you have to be to fly from Missouri to Northern Ireland?

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 Missouri to Northern Ireland.

What documentation or ID do you need to fly to Northern Ireland?

The required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£859 Cheap Flights from Missouri to Northern Ireland in 2026/27

Find the cheapest flights from Missouri to Northern Ireland

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Cheap return flights

Enter your travel dates to find the best prices.

07:29 - 14:15STL Lambert-St Louis-BHD Belfast City

24h 46m2 stops Chicago O'Hare Intl London Heathrow

17:35 - 19:30BHD Belfast City-STL Lambert-St Louis

31h 55m2 stops London Heathrow Charlotte Douglas

£859British Airways

Mon, 1 Mar - Wed, 3 Mar

07:29 - 14:15STL Lambert-St Louis-BHD Belfast City

24h 46m2 stops Chicago O'Hare Intl London Heathrow

17:35 - 19:30BHD Belfast City-STL Lambert-St Louis

31h 55m2 stops London Heathrow Charlotte Douglas

£860British Airways

Mon, 1 Mar - Wed, 3 Mar

13:15 - 10:50STL Lambert-St Louis-BHD Belfast City

15h 35m2 stops Philadelphia London Heathrow

17:35 - 20:33BHD Belfast City-STL Lambert-St Louis

32h 58m2 stops London Heathrow Philadelphia

£1,130British Airways

Mon, 16 Nov - Wed, 18 Nov

13:20 - 10:50STL Lambert-St Louis-BHD Belfast City

15h 30m2 stops Chicago O'Hare Intl London Heathrow

17:35 - 19:27BHD Belfast City-STL Lambert-St Louis

31h 52m2 stops London Heathrow Chicago O'Hare Intl

£1,131British Airways

Mon, 16 Nov - Wed, 18 Nov

15:30 - 14:50STL Lambert-St Louis-BHD Belfast City

18h 20m2 stops Charlotte Douglas London Heathrow

06:45 - 23:59BHD Belfast City-STL Lambert-St Louis

23h 14m2 stops London Heathrow Chicago O'Hare Intl

£6,412British Airways

Tue, 27 Oct - Fri, 13 Nov

15:30 - 10:50STL Lambert-St Louis-BHD Belfast City

14h 20m2 stops Charlotte Douglas London Heathrow

07:00 - 22:15BHD Belfast City-STL Lambert-St Louis

21h 15m3 stops Manchester London Heathrow Chicago O'Hare Intl

£6,842British Airways

Tue, 27 Oct - Fri, 13 Nov

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British Airways flights from Missouri to Northern Ireland

Our best British Airways deals on Missouri to Northern Ireland flight tickets

British Airways

1 Mar

STL07:29Lambert-St Louis

24h 46m

2 stops

BHD14:15Belfast City

3 Mar

BHD17:35Belfast City

31h 55m

2 stops

STL19:30Lambert-St Louis

£859

British Airways

1 Mar

STL07:29Lambert-St Louis

24h 46m

2 stops

BHD14:15Belfast City

3 Mar

BHD17:35Belfast City

31h 55m

2 stops

STL19:30Lambert-St Louis

£860

British Airways

16 Nov

STL13:15Lambert-St Louis

15h 35m

2 stops

BHD10:50Belfast City

18 Nov

BHD17:35Belfast City

32h 58m

2 stops

STL20:33Lambert-St Louis

£1,130

momondo Fare Finder

Use the filters below to find and compare flights from Missouri to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Mon 1/3

07:29-14:15

2 stops24h 46m

Belfast City

Wed 3/3

17:35-19:30

2 stops31h 55m

£859

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Mon 1/3

07:29-14:15

2 stops24h 46m

Belfast City

Wed 3/3

17:35-19:30

2 stops31h 55m

£860

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Mon 16/11

13:15-10:50

2 stops15h 35m

Belfast City

Wed 18/11

17:35-20:33

2 stops32h 58m

£1,130

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Mon 16/11

13:20-10:50

2 stops15h 30m

Belfast City

Wed 18/11

17:35-19:27

2 stops31h 52m

£1,131

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Tue 27/10

15:30-14:50

2 stops18h 20m

Belfast City

Fri 13/11

06:45-23:59

2 stops23h 14m

£6,412

Fastest return journey

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Tue 27/10

15:30-10:50

2 stops14h 20m

Belfast City

Fri 13/11

07:00-22:15

3 stops21h 15m

£6,842

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Missouri to Northern Ireland

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

How long is the flight from Missouri to Northern Ireland?

The average flight duration from Missouri to Northern Ireland depends on which airport you fly into and out of. Flying from St. Louis to Belfast Intl Airport is 15h 30m on average, while flying from Kansas City to Belfast Intl Airport is 19h 47m on average. Belfast Intl Airport is the most popular airport in Northern Ireland.

Cheap Missouri to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Northern Ireland

Best price found	£859
Fastest flight time	15h 35m
Direct flights	None

The best flight deal from Missouri to Northern Ireland found on momondo in the last 72 hours is £859

The fastest flight from Missouri to Northern Ireland takes 15h 35m

There are no direct flights from Missouri to Northern Ireland. There are no popular flight routes from Missouri to Northern Ireland.

Search flight deals

Frequently asked questions about flying from Missouri to Northern Ireland

When did momondo last update prices for flights from Missouri to Northern Ireland?
Prices for flights from Missouri to Northern Ireland are refreshed on a daily basis.
How old do you have to be to fly from Missouri to Northern Ireland?
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 Missouri to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Northern Ireland?

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

Can I find flights from Missouri to Northern Ireland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Missouri to Northern Ireland flights to just show those with flexible booking policies.

How can momondo help me find flights from Missouri to Northern Ireland?

momondo provides multiple filters to help you find the best flight to Northern Ireland from Missouri. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Missouri to Northern Ireland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Northern Ireland, momondo offers a useful price alert feature which will track prices for flights to Northern Ireland from Missouri and alert you when they change.