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Cheap flights from Missouri to Belfast from $446

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Belfast departing on 9/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Missouri to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:50 am - 10:20 amSTL  Lambert-St Louis-BHD Belfast City
18h 30m2 stops Boston Logan Intl London Heathrow
British Airways Logo
11:25 am - 11:59 pmBHD  Belfast City-STL Lambert-St Louis
18h 34m2 stops London Heathrow Chicago O'Hare Intl
$1,143British Airways
Sun, Nov 15 - Tue, Nov 17
British Airways Logo
7:29 am - 10:50 amSTL  Lambert-St Louis-BHD Belfast City
21h 21m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
6:45 am - 4:43 pmBHD  Belfast City-STL Lambert-St Louis
15h 58m2 stops London Heathrow Chicago O'Hare Intl
$1,152British Airways
Mon, Jan 18 - Fri, Jan 22
British Airways Logo
6:00 am - 11:10 amMCI  Kansas City-BHD Belfast City
23h 10m2 stops Philadelphia London Heathrow
British Airways Logo
6:15 pm - 9:49 pmBHD  Belfast City-MCI Kansas City
33h 34m2 stops London Heathrow Philadelphia
$1,698British Airways
Sat, Dec 19 - Sat, Jan 2

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British Airways flights from Missouri to Belfast City Airport

Our best British Airways deals on Missouri to Belfast City Airport flight tickets
British Airways
Jan 18
STL7:29 amLambert-St Louis
21h 21m
2 stops
BHD10:50 amBelfast City
Jan 22
BHD6:45 amBelfast City
15h 58m
2 stops
STL4:43 pmLambert-St Louis
$1,152
British Airways
Dec 19
MCI6:00 amKansas City
23h 10m
2 stops
BHD11:10 amBelfast City
Jan 2
BHD6:15 pmBelfast City
33h 34m
2 stops
MCI9:49 pmKansas City
$1,698
British Airways
Sep 28
STL1:49 pmLambert-St Louis
17h 06m
2 stops
BHD12:55 pmBelfast City
Oct 11
BHD6:30 amBelfast City
19h 00m
1 stop
STL7:30 pmLambert-St Louis
$1,846

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Belfast City Airport 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 832,500 searches. Data last updated August 16, 2026.
Use the filters below to find and compare flights from Missouri to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Sun 11/15

9:50 am-10:20 am

2 stops18h 30m

Belfast City

Tue 11/17

11:25 am-11:59 pm

2 stops18h 34m

$1,143

St. LouisBelfast

STL Lambert-St Louis - BHD Belfast City

STLBHD

Lambert-St Louis

Mon 1/18

7:29 am-10:50 am

2 stops21h 21m

Belfast City

Fri 1/22

6:45 am-4:43 pm

2 stops15h 58m

$1,152

Kansas CityBelfast

MCI Kansas City - BHD Belfast City

MCIBHD

Kansas City

Sat 12/19

6:00 am-11:10 am

2 stops23h 10m

Belfast City

Sat 1/2

6:15 pm-9:49 pm

2 stops33h 34m

$1,698
Cheapest one-way

Kansas CityBelfast

MCI Kansas City - BHD Belfast City

MCIBHD

Kansas City

Wed 9/9

11:31 am-7:50 pm

2 stops26h 19m

$446

Kansas CityBelfast

MCI Kansas City - BHD Belfast City

MCIBHD

Kansas City

Wed 9/9

9:49 am-3:40 pm

2 stops23h 51m

$566

Kansas CityBelfast

MCI Kansas City - BHD Belfast City

MCIBHD

Kansas City

Wed 9/9

8:15 am-8:35 pm

2 stops30h 20m

$577

Kansas CityBelfast

MCI Kansas City - BHD Belfast City

MCIBHD

Kansas City

Wed 9/9

8:15 am-4:35 pm

3 stops26h 20m

$593

Kansas CityBelfast

MCI Kansas City - BHD Belfast City

MCIBHD

Kansas City

Wed 9/9

8:15 am-4:35 pm

3 stops26h 20m

$713
Quickest one-way

Kansas CityBelfast

MCI Kansas City - BHD Belfast City

MCIBHD

Kansas City

Wed 9/9

12:19 pm-11:55 am

3 stops17h 36m

$744

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Belfast from

How to get the cheapest flight ticket from Missouri to Belfast City 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

Can stopping save me money on Missouri to Belfast City Airport flights?

You could potentially save up to 57% on your flight if you consider stops on a Missouri to Belfast City Airport flight.

Cheap Missouri to Belfast City Airport flight deals and tips

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

Fastest flight time

18h 44m

Direct flights

None
The fastest flight from Missouri to Belfast City Airport takes 18h 44m
There are no direct flights from Missouri to Belfast City Airport. There are no popular flight routes from Missouri to Belfast City Airport.
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Frequently asked questions about flying from Missouri to Belfast City Airport

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

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

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

    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 Belfast City Airport.

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

    The travel and health documents you'll need for your trip to Belfast City 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 City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missouri to Belfast. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Missouri to Belfast 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 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 simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Missouri and alert you when they change.

An easier way to manage your Belfast City Airport trip

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Tue 9/15
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