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 41m on average, while flying from Kansas City to Belfast Intl Airport is 18h 32m on average. Belfast Intl Airport is the most popular airport in 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.

£417 Cheap Flights from Missouri to Northern Ireland in 2026

Find the cheapest flights from Missouri to Northern Ireland

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:18 - 15:30STL Lambert-St Louis-BHD Belfast City

16h 12m2 stops Chicago O'Hare Intl London Heathrow

06:30 - 19:18BHD Belfast City-STL Lambert-St Louis

18h 48m2 stops London Heathrow Charlotte Douglas

£759American Airlines

Mon, 28 Sep - Sun, 11 Oct

07:29 - 10:50STL Lambert-St Louis-BHD Belfast City

21h 21m2 stops Chicago O'Hare Intl London Heathrow

06:45 - 16:43BHD Belfast City-STL Lambert-St Louis

15h 58m2 stops London Heathrow Chicago O'Hare Intl

£849British Airways

Mon, 18 Jan - Fri, 22 Jan

07:29 - 10:50STL Lambert-St Louis-BHD Belfast City

21h 21m2 stops Chicago O'Hare Intl London Heathrow

06:45 - 16:43BHD Belfast City-STL Lambert-St Louis

15h 58m2 stops London Heathrow Chicago O'Hare Intl

£849British Airways

Mon, 18 Jan - Fri, 22 Jan

17:18 - 20:35STL Lambert-St Louis-BHD Belfast City

21h 17m2 stops Chicago O'Hare Intl London Heathrow

11:00 - 22:42BHD Belfast City-STL Lambert-St Louis

17h 42m2 stops London Heathrow Charlotte Douglas

£997British Airways

Fri, 11 Sep - Fri, 25 Sep

15:54 - 13:35STL Lambert-St Louis-BFS Belfast Intl

15h 41m2 stops Atlanta Hartsfield-Jackson Manchester

08:30 - 23:54BFS Belfast Intl-STL Lambert-St Louis

21h 24m2 stops Manchester Atlanta Hartsfield-Jackson

£1,030Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

21:35 - 20:35STL Lambert-St Louis-BHD Belfast City

17h 00m1 stop London Heathrow

11:00 - 00:27BHD Belfast City-STL Lambert-St Louis

19h 27m2 stops London Heathrow Chicago O'Hare Intl

£1,037British Airways

Fri, 11 Sep - Fri, 25 Sep

21:35 - 20:35STL Lambert-St Louis-BHD Belfast City

17h 00m1 stop London Heathrow

11:00 - 19:30BHD Belfast City-STL Lambert-St Louis

14h 30m1 stop London Heathrow

£1,109British Airways

Fri, 11 Sep - Fri, 25 Sep

08:55 - 21:15STL Lambert-St Louis-BFS Belfast Intl

30h 20m3 stops Toronto Pearson Intl Brussels Bruxelles-National Manchester

06:05 - 14:00BFS Belfast Intl-STL Lambert-St Louis

37h 55m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

£1,164Multiple Airlines

Fri, 11 Sep - Fri, 25 Sep

14:40 - 17:10STL Lambert-St Louis-BFS Belfast Intl

20h 30m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Amsterdam Schiphol

21:40 - 14:00BFS Belfast Intl-STL Lambert-St Louis

22h 20m2 stops Manchester Toronto Pearson Intl

£1,164Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

08:55 - 21:15STL Lambert-St Louis-BFS Belfast Intl

30h 20m3 stops Toronto Pearson Intl Brussels Bruxelles-National Manchester

21:05 - 14:00BFS Belfast Intl-STL Lambert-St Louis

22h 55m2 stops Glasgow Intl Toronto Pearson Intl

£1,195Multiple Airlines

Fri, 11 Sep - Fri, 25 Sep

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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

18 Jan

STL07:29Lambert-St Louis

21h 21m

2 stops

BHD10:50Belfast City

22 Jan

BHD06:45Belfast City

15h 58m

2 stops

STL16:43Lambert-St Louis

£849

British Airways

18 Jan

STL07:29Lambert-St Louis

21h 21m

2 stops

BHD10:50Belfast City

22 Jan

BHD06:45Belfast City

15h 58m

2 stops

STL16:43Lambert-St Louis

£849

British Airways

11 Sept

STL17:18Lambert-St Louis

21h 17m

2 stops

BHD20:35Belfast City

25 Sept

BHD11:00Belfast City

17h 42m

2 stops

STL22:42Lambert-St Louis

£997

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 28/9

17:18-15:30

2 stops16h 12m

Belfast City

Sun 11/10

06:30-19:18

2 stops18h 48m

£759

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Mon 18/1

07:29-10:50

2 stops21h 21m

Belfast City

Fri 22/1

06:45-16:43

2 stops15h 58m

£849

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Mon 18/1

07:29-10:50

2 stops21h 21m

Belfast City

Fri 22/1

06:45-16:43

2 stops15h 58m

£849

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Fri 11/9

17:18-20:35

2 stops21h 17m

Belfast City

Fri 25/9

11:00-22:42

2 stops17h 42m

£997

St. LouisBelfast

STL Lambert-St Louis - BFS Belfast Intl

STLBFS

Lambert-St Louis

Sat 3/10

15:54-13:35

2 stops15h 41m

Belfast Intl

Sat 10/10

08:30-23:54

2 stops21h 24m

£1,030

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Fri 11/9

21:35-20:35

1 stop17h 00m

Belfast City

Fri 25/9

11:00-00:27

2 stops19h 27m

£1,037

Fastest return journey

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Fri 11/9

21:35-20:35

1 stop17h 00m

Belfast City

Fri 25/9

11:00-19:30

1 stop14h 30m

£1,109

St. LouisBelfast

STL Lambert-St Louis - BFS Belfast Intl

STLBFS

Lambert-St Louis

Fri 11/9

08:55-21:15

3 stops30h 20m

Belfast Intl

Fri 25/9

06:05-14:00

3 stops37h 55m

£1,164

St. LouisBelfast

STL Lambert-St Louis - BFS Belfast Intl

STLBFS

Lambert-St Louis

Sat 3/10

14:40-17:10

3 stops20h 30m

Belfast Intl

Sat 10/10

21:40-14:00

2 stops22h 20m

£1,164

St. LouisBelfast

STL Lambert-St Louis - BFS Belfast Intl

STLBFS

Lambert-St Louis

Fri 11/9

08:55-21:15

3 stops30h 20m

Belfast Intl

Fri 25/9

21:05-14:00

2 stops22h 55m

£1,195

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted 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

Airlines

Other information

What is the cheapest airline that flies from Missouri to Northern Ireland?

British Airways is the most popular carrier operating from Missouri to 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	£417
Fastest flight time	15h 41m
Direct flights	None

The best one-way flight to Northern Ireland from Missouri in the past 72 hours is £417. The best return flight deal from Missouri to Northern Ireland found on momondo in the last 72 hours is £759.

The fastest flight from Missouri to Northern Ireland takes 15h 41m

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.