When did momondo last update prices for flights from Missouri to Belfast Intl Airport?

Prices for flights from Missouri to Belfast Intl Airport were last updated today.

How old do you have to be to fly from Missouri to Belfast Intl Airport?

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 Belfast Intl Airport.

What documentation or ID do you need to fly to Belfast Intl Airport?

The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£790 Cheap Flights from Missouri to Belfast Intl Airport in 2026

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Find the cheapest flights from Missouri to Belfast

Round-trip

Cheap return flights

Enter your travel dates to find the best prices.

15:30 - 21:15

STL

BFS

23h 45m

2 stops

21:05 - 20:25

BFS

STL

29h 20m

3 stops

£1,073Multiple Airlines

Fri, 8 May - Fri, 15 May

15:30 - 21:15

STL

BFS

23h 45m

2 stops

21:05 - 20:09

BFS

STL

29h 04m

2 stops

£1,218Multiple Airlines

Fri, 8 May - Fri, 15 May

07:05 - 23:05

STL

BFS

34h 00m

3 stops

08:20 - 13:25

BFS

STL

35h 05m

2 stops

£1,235Multiple Airlines

Sat, 9 May - Sat, 16 May

14:15 - 11:50

STL

BFS

15h 35m

2 stops

09:15 - 13:25

BFS

STL

34h 10m

3 stops

£1,793Multiple Airlines

Thu, 7 May - Thu, 14 May

07:05 - 23:05

STL

BFS

34h 00m

3 stops

22:25 - 20:09

BFS

STL

27h 44m

3 stops

£2,050Multiple Airlines

Sat, 9 May - Sat, 16 May

momondo Fare Finder

Use the filters below to find and compare flights from Missouri to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Fri 8/5

15:30-21:15

2 stops23h 45m

Belfast Intl

Fri 15/5

21:05-20:25

3 stops29h 20m

£1,073

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Fri 8/5

15:30-21:15

2 stops23h 45m

Belfast Intl

Fri 15/5

21:05-20:09

2 stops29h 04m

£1,218

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Sat 9/5

07:05-23:05

3 stops34h 00m

Belfast Intl

Sat 16/5

08:20-13:25

2 stops35h 05m

£1,235

Fastest return journey

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Thu 7/5

14:15-11:50

2 stops15h 35m

Belfast Intl

Thu 14/5

09:15-13:25

3 stops34h 10m

£1,793

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Sat 9/5

07:05-23:05

3 stops34h 00m

Belfast Intl

Sat 16/5

22:25-20:09

3 stops27h 44m

£2,050

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Missouri to Belfast Intl Airport

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 does it take to fly to Belfast Intl Airport?

If you’re flying from a popular airport in Missouri, such as Kansas City or St. Louis, and flying into Belfast Intl Airport, then you can expect flight times to average 15h 03m and 23h 45m, respectively.

Cheap Missouri to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Belfast Intl Airport

Fastest flight time	15h 03m
Direct flights	None

The fastest flight from Missouri to Belfast Intl Airport takes 15h 03m

There are no direct flights from Missouri to Belfast Intl Airport. There are no popular flight routes from Missouri to Belfast Intl Airport.

Search flight deals

When did momondo last update prices for flights from Missouri to Belfast Intl Airport?
Prices for flights from Missouri to Belfast Intl Airport were last updated today.
How old do you have to be to fly from Missouri to Belfast Intl Airport?
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 Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Ballymena

Newry

Armagh

Cookstown

Portadown

Dungannon

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Belfast from Missouri which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Missouri to Belfast?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Missouri.

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

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