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Cheap flights from Missouri to Belfast from $782

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Belfast departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:05 pm - 2:15 pm
STL
-
BHD
16h 10m
2 stops
American Airlines Logo
9:10 am - 9:12 pm
BHD
-
STL
18h 02m
2 stops
$782American Airlines
Wed, Feb 25 - Sun, Mar 1
British Airways Logo
10:37 am - 10:15 am
STL
-
BHD
17h 38m
2 stops
British Airways Logo
8:25 pm - 11:48 pm
BHD
-
STL
33h 23m
2 stops
$1,039British Airways
Wed, Feb 25 - Sun, Mar 1
British Airways Logo
8:00 am - 10:15 am
STL
-
BHD
20h 15m
2 stops
British Airways Logo
10:40 am - 11:48 pm
BHD
-
STL
19h 08m
2 stops
$1,092British Airways
Wed, Feb 25 - Sun, Mar 1
Finnair Logo
1:58 pm - 2:15 pm
MCI
-
BHD
18h 17m
2 stops
Finnair Logo
12:10 pm - 6:49 pm
BHD
-
MCI
36h 39m
2 stops
$1,196Finnair
Wed, Feb 25 - Sun, Mar 1
British Airways Logo
5:40 pm - 7:25 pm
MCI
-
BHD
19h 45m
2 stops
British Airways Logo
3:20 pm - 4:31 pm
BHD
-
MCI
55h 11m
2 stops
$1,278British Airways
Mon, Jun 22 - Mon, Jul 6
Multiple Airlines Logo
7:44 pm - 3:20 pm
MCI
-
BHD
37h 36m
2 stops
Multiple Airlines Logo
3:25 pm - 7:04 pm
BHD
-
MCI
33h 39m
3 stops
$1,306Multiple Airlines
Mon, Jun 22 - Mon, Jul 6
Aer Lingus Logo
4:20 pm - 8:50 pm
MCI
-
BHD
22h 30m
3 stops
Aer Lingus Logo
6:00 pm - 7:04 pm
BHD
-
MCI
31h 04m
3 stops
$1,387Aer Lingus
Mon, Jun 22 - Mon, Jul 6
Multiple Airlines Logo
4:05 pm - 6:25 pm
STL
-
BHD
20h 20m
3 stops
Multiple Airlines Logo
4:55 pm - 3:29 pm
BHD
-
STL
28h 34m
3 stops
$2,264Multiple Airlines
Wed, Feb 25 - Sun, Mar 1

Finnair flights from Missouri to Belfast

Our best Finnair deals on Missouri to Belfast flight tickets
Finnair
Feb 25
MCI1:58 pmKansas City
18h 17m
2 stops
BHD2:15 pmBelfast City
Mar 1
BHD12:10 pmBelfast City
36h 39m
2 stops
MCI6:49 pmKansas City
$1,194
Finnair
Feb 25
MCI1:58 pmKansas City
18h 17m
2 stops
BHD2:15 pmBelfast City
Mar 1
BHD12:10 pmBelfast City
36h 39m
2 stops
MCI6:49 pmKansas City
$1,196

British Airways flights from Missouri to Belfast

Our best British Airways deals on Missouri to Belfast flight tickets
British Airways
Feb 25
STL10:37 amLambert-St Louis
17h 38m
2 stops
BHD10:15 amBelfast City
Mar 1
BHD8:25 pmBelfast City
33h 23m
2 stops
STL11:48 pmLambert-St Louis
$1,039
British Airways
Feb 25
STL11:59 amLambert-St Louis
15h 11m
2 stops
BHD9:10 amBelfast City
Mar 1
BHD12:10 pmBelfast City
17h 38m
2 stops
STL11:48 pmLambert-St Louis
$1,090
British Airways
Feb 25
STL8:00 amLambert-St Louis
20h 15m
2 stops
BHD10:15 amBelfast City
Mar 1
BHD10:40 amBelfast City
19h 08m
2 stops
STL11:48 pmLambert-St Louis
$1,092

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 4, 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 2/25

4:05 pm-2:15 pm

2 stops16h 10m

Belfast City

Sun 3/1

9:10 am-9:12 pm

2 stops18h 02m

$782

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 2/25

10:37 am-10:15 am

2 stops17h 38m

Belfast City

Sun 3/1

8:25 pm-11:48 pm

2 stops33h 23m

$1,039

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 2/25

8:00 am-10:15 am

2 stops20h 15m

Belfast City

Sun 3/1

10:40 am-11:48 pm

2 stops19h 08m

$1,092

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 2/25

1:58 pm-2:15 pm

2 stops18h 17m

Belfast City

Sun 3/1

12:10 pm-6:49 pm

2 stops36h 39m

$1,196

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 6/22

5:40 pm-7:25 pm

2 stops19h 45m

Belfast City

Mon 7/6

3:20 pm-4:31 pm

2 stops55h 11m

$1,278

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 6/22

7:44 pm-3:20 pm

2 stops37h 36m

Belfast City

Mon 7/6

3:25 pm-7:04 pm

3 stops33h 39m

$1,306

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 6/22

4:20 pm-8:50 pm

3 stops22h 30m

Belfast City

Mon 7/6

6:00 pm-7:04 pm

3 stops31h 04m

$1,387

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 2/25

4:05 pm-6:25 pm

3 stops20h 20m

Belfast City

Sun 3/1

4:55 pm-3:29 pm

3 stops28h 34m

$2,264

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

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?

Air Europa is the most popular carrier 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

15h 11m

Direct flights

None
The fastest flight from Missouri to Belfast takes 15h 11m
There are no direct flights from Missouri to Belfast. There are no popular flight routes from Missouri to Belfast.
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  • 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?

    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.

  • 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?

Finding the right flight to Belfast from Missouri is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Missouri to Belfast flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missouri to Belfast.

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

Yes. momondo can track prices for Missouri to Belfast flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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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