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Cheap flights from Missouri to Belfast from £171

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 10/5. 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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Find the cheapest flights from Missouri to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
16:05 - 14:15
STL
-
BHD
16h 10m
2 stops
American Airlines Logo
09:10 - 21:12
BHD
-
STL
18h 02m
2 stops
£571American Airlines
Wed, 25 Feb - Sun, 1 Mar
British Airways Logo
10:37 - 10:15
STL
-
BHD
17h 38m
2 stops
British Airways Logo
20:25 - 23:48
BHD
-
STL
33h 23m
2 stops
£759British Airways
Wed, 25 Feb - Sun, 1 Mar
British Airways Logo
11:59 - 10:15
STL
-
BHD
16h 16m
2 stops
British Airways Logo
06:30 - 21:12
BHD
-
STL
20h 42m
2 stops
£796British Airways
Wed, 25 Feb - Sun, 1 Mar
British Airways Logo
08:00 - 10:15
STL
-
BHD
20h 15m
2 stops
British Airways Logo
10:40 - 23:48
BHD
-
STL
19h 08m
2 stops
£798British Airways
Wed, 25 Feb - Sun, 1 Mar
Finnair Logo
13:58 - 14:15
MCI
-
BHD
18h 17m
2 stops
Finnair Logo
12:10 - 18:49
BHD
-
MCI
36h 39m
2 stops
£872Finnair
Wed, 25 Feb - Sun, 1 Mar
Finnair Logo
13:58 - 14:15
MCI
-
BHD
18h 17m
2 stops
Finnair Logo
12:10 - 18:49
BHD
-
MCI
36h 39m
2 stops
£874Finnair
Wed, 25 Feb - Sun, 1 Mar
British Airways Logo
17:40 - 19:25
MCI
-
BHD
19h 45m
2 stops
British Airways Logo
15:20 - 16:31
BHD
-
MCI
55h 11m
2 stops
£934British Airways
Mon, 22 Jun - Mon, 6 Jul
Multiple Airlines Logo
19:44 - 15:20
MCI
-
BHD
37h 36m
2 stops
Multiple Airlines Logo
15:25 - 19:04
BHD
-
MCI
33h 39m
3 stops
£954Multiple Airlines
Mon, 22 Jun - Mon, 6 Jul
Aer Lingus Logo
16:20 - 20:50
MCI
-
BHD
22h 30m
3 stops
Aer Lingus Logo
18:00 - 19:04
BHD
-
MCI
31h 04m
3 stops
£1,013Aer Lingus
Mon, 22 Jun - Mon, 6 Jul
Multiple Airlines Logo
16:05 - 18:25
STL
-
BHD
20h 20m
3 stops
Multiple Airlines Logo
16:55 - 15:29
BHD
-
STL
28h 34m
3 stops
£1,654Multiple Airlines
Wed, 25 Feb - Sun, 1 Mar

Finnair flights from Missouri to Belfast

Our best Finnair deals on Missouri to Belfast flight tickets
Finnair
25 Feb
MCI13:58Kansas City
18h 17m
2 stops
BHD14:15Belfast City
1 Mar
BHD12:10Belfast City
36h 39m
2 stops
MCI18:49Kansas City
£872
Finnair
25 Feb
MCI13:58Kansas City
18h 17m
2 stops
BHD14:15Belfast City
1 Mar
BHD12:10Belfast City
36h 39m
2 stops
MCI18:49Kansas City
£874

British Airways flights from Missouri to Belfast

Our best British Airways deals on Missouri to Belfast flight tickets
British Airways
25 Feb
STL10:37Lambert-St Louis
17h 38m
2 stops
BHD10:15Belfast City
1 Mar
BHD20:25Belfast City
33h 23m
2 stops
STL23:48Lambert-St Louis
£759
British Airways
25 Feb
STL11:59Lambert-St Louis
15h 11m
2 stops
BHD09:10Belfast City
1 Mar
BHD12:10Belfast City
17h 38m
2 stops
STL23:48Lambert-St Louis
£796
British Airways
25 Feb
STL08:00Lambert-St Louis
20h 15m
2 stops
BHD10:15Belfast City
1 Mar
BHD10:40Belfast City
19h 08m
2 stops
STL23:48Lambert-St Louis
£798

momondo Fare Finder

 
Customise your flight search to find flights from Missouri to Belfast 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 5 February 2026.
Use the filters below to find and compare flights from Missouri to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 25/2

16:05-14:15

2 stops16h 10m

Belfast City

Sun 1/3

09:10-21:12

2 stops18h 02m

£571

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 25/2

10:37-10:15

2 stops17h 38m

Belfast City

Sun 1/3

20:25-23:48

2 stops33h 23m

£759

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 25/2

11:59-10:15

2 stops16h 16m

Belfast City

Sun 1/3

06:30-21:12

2 stops20h 42m

£796

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 25/2

08:00-10:15

2 stops20h 15m

Belfast City

Sun 1/3

10:40-23:48

2 stops19h 08m

£798

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 25/2

13:58-14:15

2 stops18h 17m

Belfast City

Sun 1/3

12:10-18:49

2 stops36h 39m

£872

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 25/2

13:58-14:15

2 stops18h 17m

Belfast City

Sun 1/3

12:10-18:49

2 stops36h 39m

£874

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 22/6

17:40-19:25

2 stops19h 45m

Belfast City

Mon 6/7

15:20-16:31

2 stops55h 11m

£934

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 22/6

19:44-15:20

2 stops37h 36m

Belfast City

Mon 6/7

15:25-19:04

3 stops33h 39m

£954

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 22/6

16:20-20:50

3 stops22h 30m

Belfast City

Mon 6/7

18:00-19:04

3 stops31h 04m

£1,013

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 25/2

16:05-18:25

3 stops20h 20m

Belfast City

Sun 1/3

16:55-15:29

3 stops28h 34m

£1,654

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
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See travel insights to Belfast from

How to get the cheapest flight ticket from Missouri to Belfast

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

What is the cheapest airline that flies from Missouri to Belfast?

Scandinavian Airlines and Air Europa are the most popular carriers operating from Missouri to Belfast

Cheap Missouri to Belfast flight deals and tips

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

Fastest flight time

14h 00m

Direct flights

None
The fastest flight from Missouri to Belfast takes 14h 00m
There are no direct flights from Missouri to Belfast. There are no popular flight routes from Missouri to Belfast.
Search flight deals

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

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

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

    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.

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

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

Why use momondo?

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

It is quick and easy to find Missouri to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

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

All flight searches from Missouri to Belfast on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Belfast 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 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.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport