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

British Airways and Aer Lingus are the most popular carriers operating from Missouri to Northern Ireland

How long is the flight from Missouri to Northern Ireland?

Flight times vary depending on what airport in Missouri you fly out of and what airport in Northern Ireland you fly into. For example, flying from St. Louis to Belfast Intl Airport takes 16h 46m on average. On the other hand, flying from Kansas City to Belfast Intl Airport takes 18h 15m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Northern Ireland.

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

The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$309 Cheap Flights from Missouri to Northern Ireland in 2026

Find the cheapest flights from Missouri to Northern Ireland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:32 pm - 2:35 pm

MCI

BHD

15h 03m

2 stops

6:35 am - 7:18 pm

BHD

MCI

18h 43m

2 stops

$882American Airlines

Wed, Oct 28 - Wed, Nov 25

11:57 am - 10:15 am

MCI

BHD

17h 18m

2 stops

12:10 pm - 10:56 pm

BHD

MCI

16h 46m

2 stops

$932American Airlines

Wed, Oct 28 - Sun, Nov 1

6:32 pm - 4:35 pm

MCI

BHD

17h 03m

2 stops

9:15 am - 10:50 pm

BHD

MCI

19h 35m

2 stops

$1,021American Airlines

Wed, Oct 28 - Sat, Nov 28

12:19 pm - 2:15 pm

MCI

BHD

20h 56m

2 stops

9:15 am - 9:26 pm

BHD

MCI

18h 11m

2 stops

$1,055British Airways

Wed, Oct 28 - Sat, Nov 28

12:10 pm - 10:20 pm

STL

BFS

28h 10m

3 stops

10:45 pm - 2:02 pm

BFS

STL

21h 17m

2 stops

$1,180Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

12:10 pm - 7:15 pm

STL

BFS

25h 05m

2 stops

10:45 pm - 8:24 pm

BFS

STL

27h 39m

2 stops

$1,183Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

12:10 pm - 10:20 pm

STL

BFS

28h 10m

3 stops

10:45 pm - 6:42 pm

BFS

STL

25h 57m

3 stops

$1,189Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

6:09 pm - 4:55 pm

STL

BHD

16h 46m

2 stops

9:50 am - 8:37 pm

BHD

STL

16h 47m

2 stops

$1,664KLM

Mon, Jul 20 - Sat, Jul 25

6:09 pm - 4:55 pm

STL

BHD

16h 46m

2 stops

9:50 am - 8:37 pm

BHD

STL

16h 47m

2 stops

$1,665KLM

Mon, Jul 20 - Sat, Jul 25

2:31 pm - 3:30 pm

STL

BHD

18h 59m

2 stops

7:05 pm - 7:30 pm

BHD

STL

30h 25m

1 stop

$2,857British Airways

Mon, Jul 20 - Sat, Jul 25

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KLM flights from Missouri to Northern Ireland

Our best KLM deals on Missouri to Northern Ireland flight tickets

KLM

Jul 20

STL6:09 pmLambert-St Louis

16h 46m

2 stops

BHD4:55 pmBelfast City

Jul 25

BHD9:50 amBelfast City

16h 47m

2 stops

STL8:37 pmLambert-St Louis

$1,664

KLM

Jul 20

STL6:09 pmLambert-St Louis

16h 46m

2 stops

BHD4:55 pmBelfast City

Jul 25

BHD9:50 amBelfast City

16h 47m

2 stops

STL8:37 pmLambert-St Louis

$1,665

British Airways flights from Missouri to Northern Ireland

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

British Airways

Oct 28

MCI12:19 pmKansas City

20h 56m

2 stops

BHD2:15 pmBelfast City

Nov 28

BHD9:15 amBelfast City

18h 11m

2 stops

MCI9:26 pmKansas City

$1,055

British Airways

Jul 20

STL2:31 pmLambert-St Louis

18h 59m

2 stops

BHD3:30 pmBelfast City

Jul 25

BHD7:05 pmBelfast City

30h 25m

1 stop

STL7:30 pmLambert-St Louis

$2,857

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 10/28

6:32 pm-2:35 pm

2 stops15h 03m

Belfast City

Wed 11/25

6:35 am-7:18 pm

2 stops18h 43m

$882

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 10/28

11:57 am-10:15 am

2 stops17h 18m

Belfast City

Sun 11/1

12:10 pm-10:56 pm

2 stops16h 46m

$932

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 10/28

6:32 pm-4:35 pm

2 stops17h 03m

Belfast City

Sat 11/28

9:15 am-10:50 pm

2 stops19h 35m

$1,021

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 10/28

12:19 pm-2:15 pm

2 stops20h 56m

Belfast City

Sat 11/28

9:15 am-9:26 pm

2 stops18h 11m

$1,055

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Wed 8/12

12:10 pm-10:20 pm

3 stops28h 10m

Belfast Intl

Wed 8/19

10:45 pm-2:02 pm

2 stops21h 17m

$1,180

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Wed 8/12

12:10 pm-7:15 pm

2 stops25h 05m

Belfast Intl

Wed 8/19

10:45 pm-8:24 pm

2 stops27h 39m

$1,183

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Wed 8/12

12:10 pm-10:20 pm

3 stops28h 10m

Belfast Intl

Wed 8/19

10:45 pm-6:42 pm

3 stops25h 57m

$1,189

Quickest round-trip

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 7/20

6:09 pm-4:55 pm

2 stops16h 46m

Belfast City

Sat 7/25

9:50 am-8:37 pm

2 stops16h 47m

$1,664

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 7/20

6:09 pm-4:55 pm

2 stops16h 46m

Belfast City

Sat 7/25

9:50 am-8:37 pm

2 stops16h 47m

$1,665

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 7/20

2:31 pm-3:30 pm

2 stops18h 59m

Belfast City

Sat 7/25

7:05 pm-7:30 pm

1 stop30h 25m

$2,857

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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

Prices

Airlines

Other information

Can stopping save me money on Missouri to Northern Ireland flights?

You could potentially save up to 43% on your flight if you consider stops on a Missouri to Northern Ireland flight.

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

Fastest flight time	18h 15m
Direct flights	None

The fastest flight from Missouri to Northern Ireland takes 18h 15m

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?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missouri to Northern Ireland for you.

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

Flights from Missouri to Northern Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Missouri and Northern Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 not ready to book a flight from Missouri to Northern Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Northern Ireland and let you know when they change.