Cheap flights from Missouri to Northern Ireland from £473

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Northern Ireland departing on 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
18:44 - 16:05STL-BHD
15h 21m2 stops
British Airways Logo
06:35 - 18:16BHD-STL
17h 41m2 stops
£473British Airways
Find Deal
Mon, 12 Jan - Tue, 20 Jan
British Airways Logo
18:44 - 18:35STL-BHD
17h 51m2 stops
British Airways Logo
06:35 - 18:16BHD-STL
17h 41m2 stops
£474British Airways
Find Deal
Mon, 12 Jan - Tue, 20 Jan
British Airways Logo
18:44 - 14:15STL-BHD
13h 31m2 stops
British Airways Logo
06:35 - 18:16BHD-STL
17h 41m2 stops
£476British Airways
Find Deal
Mon, 12 Jan - Tue, 20 Jan
Delta Logo
06:35 - 16:50STL-BHD
28h 15m2 stops
Delta Logo
06:30 - 17:43BHD-STL
17h 13m2 stops
£566Delta
Find Deal
Sun, 1 Mar - Thu, 5 Mar
Delta Logo
06:35 - 16:50STL-BHD
28h 15m2 stops
Delta Logo
06:30 - 17:43BHD-STL
17h 13m2 stops
£567Delta
Find Deal
Sun, 1 Mar - Thu, 5 Mar
American Airlines Logo
18:42 - 19:15MCI-BHD
19h 33m2 stops
American Airlines Logo
16:25 - 17:45BHD-MCI
31h 20m2 stops
£739American Airlines
Find Deal
Fri, 27 Mar - Tue, 31 Mar

British Airways flights from Missouri to Northern Ireland

Our best British Airways deals on Missouri to Northern Ireland flight tickets
British Airways
12 Jan
STL18:44Lambert-St Louis
15h 21m
2 stops
BHD16:05Belfast City
20 Jan
BHD06:35Belfast City
17h 41m
2 stops
STL18:16Lambert-St Louis
British Airways
12 Jan
STL18:44Lambert-St Louis
17h 51m
2 stops
BHD18:35Belfast City
20 Jan
BHD06:35Belfast City
17h 41m
2 stops
STL18:16Lambert-St Louis

momondo Fare Finder

 
Customise your flight search to find flights from Missouri to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 14 November 2025.
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

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 12/1

18:44-16:05

2 stops15h 21m

Belfast City

Tue 20/1

06:35-18:16

2 stops17h 41m

£473

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 12/1

18:44-18:35

2 stops17h 51m

Belfast City

Tue 20/1

06:35-18:16

2 stops17h 41m

£474

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 12/1

18:44-14:15

2 stops13h 31m

Belfast City

Tue 20/1

06:35-18:16

2 stops17h 41m

£476

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Sun 1/3

06:35-16:50

2 stops28h 15m

Belfast City

Thu 5/3

06:30-17:43

2 stops17h 13m

£566

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Sun 1/3

06:35-16:50

2 stops28h 15m

Belfast City

Thu 5/3

06:30-17:43

2 stops17h 13m

£567

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Fri 27/3

18:42-19:15

2 stops19h 33m

Belfast City

Tue 31/3

16:25-17:45

2 stops31h 20m

£739

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Northern Ireland from

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 21m on average, while flying from Kansas City to Belfast Intl Airport is 40h 13m 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

Direct flights

None
There are no direct flights from Missouri to Northern Ireland. There are no popular flight routes 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.

An easier way to manage your Northern Ireland trip

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Popular Cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo