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Cheap flights from Missouri to Belfast from $309

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 12/1. 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.
KLM Logo
6:09 pm - 4:55 pm
STL
-
BHD
16h 46m
2 stops
KLM Logo
9:50 am - 8:37 pm
BHD
-
STL
16h 47m
2 stops
$1,664KLM
Mon, Jul 20 - Sat, Jul 25
Multiple Airlines Logo
5:58 pm - 8:55 pm
STL
-
BHD
20h 57m
3 stops
Multiple Airlines Logo
9:35 am - 7:29 pm
BHD
-
STL
15h 54m
2 stops
$1,911Multiple Airlines
Mon, Jul 20 - Sat, Jul 25
Multiple Airlines Logo
5:58 pm - 8:55 pm
STL
-
BHD
20h 57m
3 stops
Multiple Airlines Logo
11:05 am - 9:10 am
BHD
-
STL
28h 05m
3 stops
$2,411Multiple Airlines
Mon, Jul 20 - Sat, Jul 25
British Airways Logo
2:31 pm - 3:30 pm
STL
-
BHD
18h 59m
2 stops
British Airways Logo
7:05 pm - 7:30 pm
BHD
-
STL
30h 25m
1 stop
$2,857British Airways
Mon, Jul 20 - Sat, Jul 25

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KLM flights from Missouri to Belfast City Airport

Our best KLM deals on Missouri to Belfast City Airport flight tickets
KLM
Jul 20
STL6:09 pmLambert-St Louis
16h 46m
2 stops
BHD4:55 pmBelfast City
Jul 25
BHD9:50 amBelfast City
16h 47m
2 stops
STL8:37 pmLambert-St Louis
$1,664
KLM
Jun 30
STL5:36 pmLambert-St Louis
17h 19m
2 stops
BHD4:55 pmBelfast City
Jul 2
BHD5:30 pmBelfast City
29h 53m
2 stops
STL5:23 pmLambert-St Louis
$1,770

British Airways flights from Missouri to Belfast City Airport

Our best British Airways deals on Missouri to Belfast City Airport flight tickets
British Airways
Jun 30
STL9:35 pmLambert-St Louis
15h 20m
1 stop
BHD6:55 pmBelfast City
Jul 2
BHD7:30 pmBelfast City
30h 00m
1 stop
STL7:30 pmLambert-St Louis
$2,624
British Airways
Jul 20
STL2:31 pmLambert-St Louis
18h 59m
2 stops
BHD3:30 pmBelfast City
Jul 25
BHD7:05 pmBelfast City
30h 25m
1 stop
STL7:30 pmLambert-St Louis
$2,857

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 June 28, 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 - BHD

STLBHD

Lambert-St Louis

Mon 7/20

6:09 pm-4:55 pm

2 stops16h 46m

Belfast City

Sat 7/25

9:50 am-8:37 pm

2 stops16h 47m

$1,664

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 7/20

5:58 pm-8:55 pm

3 stops20h 57m

Belfast City

Sat 7/25

9:35 am-7:29 pm

2 stops15h 54m

$1,911

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 7/20

5:58 pm-8:55 pm

3 stops20h 57m

Belfast City

Sat 7/25

11:05 am-9:10 am

3 stops28h 05m

$2,411

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 7/20

2:31 pm-3:30 pm

2 stops18h 59m

Belfast City

Sat 7/25

7:05 pm-7:30 pm

1 stop30h 25m

$2,857
Cheapest one-way

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Tue 12/1

9:06 am-10:30 am

2 stops19h 24m

$309

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Mon 11/30

2:54 pm-4:05 pm

2 stops19h 11m

$329

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Sat 11/28

8:00 am-9:10 am

2 stops19h 10m

$393

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Sun 11/29

11:15 am-6:40 pm

2 stops25h 25m

$433
Quickest one-way

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Thu 9/17

9:09 am-10:10 am

2 stops19h 01m

$488

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Sun 11/29

6:40 am-7:00 pm

3 stops30h 20m

$568

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 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 43% 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

16h 46m

Direct flights

None
The fastest flight from Missouri to Belfast City Airport takes 16h 46m
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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