How long is the flight from Missouri to Northern Ireland?

A quick flight from Missouri to Northern Ireland can take about 15h 47m. American Airlines provides one of the quickest options available for as low as £766. Missouri and Northern Ireland are separated by a distance of 3893 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from MO to NIR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Northern Ireland as you normally would.

Can I find deals for flights from Missouri to Northern Ireland that include hotel bookings?

Yes. In addition to deals on Missouri to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Missouri to Northern Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Northern Ireland.

Can I find deals for business class flights from Missouri to Northern Ireland?

Yes. Cheapflights offers flight deals from Missouri to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£271+ Cheap Flights from Missouri to Northern Ireland

Cheap flight deals from Missouri to Northern Ireland

Enter your travel dates to find the best prices.

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Cheapest flights from Missouri to Northern Ireland
Explore the most affordable flight options available from Missouri to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Wed 9/1213:43 -

2 stops14h 22m

Tue 22/1219:30 -

2 stops34h 01m

Deal found 4/11£730

Tue 15/1213:43 -

2 stops15h 47m

Thu 14/106:30 -

2 stops20h 01m

Deal found 2/11£766

Wed 9/1216:05 -

2 stops17h 25m

Tue 22/1218:20 -

3 stops31h 32m

Deal found 4/11£1,153

Tue 15/1207:27 -

3 stops44h 38m

Thu 14/111:05 -

3 stops38h 56m

Deal found 2/11£10,225

Find flight deals from Missouri to Northern Ireland

Round-trip from	£658
One-way from	£271

British Airways
17/2-23/2
4 total stops
33h 37m total
Missouri to Northern Ireland

Search Deals

British Airways
9/4-31/12
1 total stop
14h 35m total
Missouri to Northern Ireland

Search Deals

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

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Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Fri 9/4

21:35-18:10

1 stop14h 35m

Belfast City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£271

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Fri 9/4

12:27-13:10

3 stops18h 43m

Belfast City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£429

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Tue 15/12

13:43-11:30

2 stops15h 47m

Belfast City

Thu 14/1

06:30-20:31

2 stops20h 01m

£766

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Wed 3/3

10:30-10:05

2 stops17h 35m

Belfast City

Fri 5/3

11:50-22:30

2 stops16h 40m

£857

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Wed 20/1

14:08-10:05

2 stops13h 57m

Belfast City

Fri 22/1

13:35-22:34

2 stops14h 59m

£1,126

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Wed 9/12

14:54-20:20

3 stops47h 26m

Belfast City

Tue 22/12

11:40-00:16

3 stops42h 36m

£10,222

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Sorted by cheapest first

Best time to book a flight from Missouri to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Missouri with our price prediction graph.

STL-BHD

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Everything you need to know about your flight from Missouri to Northern Ireland

USMO-GBNIR

STL-BHD

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Missouri to Northern Ireland?
A quick flight from Missouri to Northern Ireland can take about 15h 47m. American Airlines provides one of the quickest options available for as low as £766. Missouri and Northern Ireland are separated by a distance of 3893 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Missouri to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Missouri to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Missouri to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Northern Ireland.
Can I find deals for business class flights from Missouri to Northern Ireland?
Yes. Cheapflights offers flight deals from Missouri to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Why should you use Cheapflights to find cheap flight tickets from Missouri to Northern Ireland?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Missouri to Northern Ireland.

Can Cheapflights find flights from Missouri to Northern Ireland with no change fees?

Yes, we can. To see specific flights from Missouri to Northern Ireland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Cheap flights from Missouri to Northern Ireland from £271

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Missouri to Northern Ireland

Cheapest flights from Missouri to Northern IrelandExplore the most affordable flight options available from Missouri to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Explore the most affordable flight options available from Missouri to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Best flights from Missouri to Northern IrelandDiscover carefully curated flight deals from Missouri to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Discover carefully curated flight deals from Missouri to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Last-minute flights from Missouri to Northern IrelandDiscover last-minute flight deals from Missouri to Northern Ireland. Data last updated 5 November 2026 and is based on user searches.

Discover last-minute flight deals from Missouri to Northern Ireland. Data last updated 5 November 2026 and is based on user searches.

One-way flights from Missouri to Northern IrelandSearch for one-way flight options from Missouri to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.

Search for one-way flight options from Missouri to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.

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Best time to book a flight from Missouri to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Missouri with our price prediction graph.

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Related info for your journey

How long is the flight from Missouri to Northern Ireland?

Can I find deals for flights from Missouri to Northern Ireland that include hotel bookings?

How can I find direct flights from Missouri to Northern Ireland?

Can I find deals for business class flights from Missouri to Northern Ireland?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Northern Ireland by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United Kingdom

Book a non-stop flight to one of these other cities located in United Kingdom.

Search flights from Missouri to Northern Ireland by cabin class

Find flights from Missouri to Northern Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Missouri and Northern Ireland flights

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How does Cheapflights help users find flights from Missouri to Northern Ireland?

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Can Cheapflights find flights from Missouri to Northern Ireland with no change fees?

Can Cheapflights notify me if prices for flights from Missouri to Northern Ireland become cheaper?

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Cheapest flights from Missouri to Northern Ireland
Explore the most affordable flight options available from Missouri to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Best flights from Missouri to Northern Ireland
Discover carefully curated flight deals from Missouri to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Last-minute flights from Missouri to Northern Ireland
Discover last-minute flight deals from Missouri to Northern Ireland. Data last updated 5 November 2026 and is based on user searches.

One-way flights from Missouri to Northern Ireland
Search for one-way flight options from Missouri to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.