How long does it take to fly to Belfast?

Flight times vary depending on what airport in Missouri you fly out of and what airport in Belfast you fly into. For example, flying from St. Louis to Belfast Intl Airport takes 16h 04m on average. On the other hand, flying from Kansas City to Belfast Intl Airport takes 20h 31m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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.

$661 Cheap Flights from Missouri to Belfast in 2025/26

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Find the cheapest flights from Missouri to Belfast

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:31 pm - 4:50 pm

STL

BHD

19h 19m2 stops

5:20 pm - 4:45 pm

BHD

STL

29h 25m2 stops

$661KLM

Tue, Jan 20 - Tue, Jan 27

10:00 pm - 3:30 pm

STL

BHD

11h 30m1 stop

4:15 pm - 7:30 pm

BHD

STL

33h 15m1 stop

$761British Airways

Fri, Apr 24 - Sat, May 2

11:14 am - 3:30 pm

STL

BHD

22h 16m2 stops

7:00 pm - 7:30 pm

BHD

STL

30h 30m1 stop

$781British Airways

Fri, Apr 24 - Sat, May 2

11:14 am - 3:30 pm

STL

BHD

22h 16m2 stops

9:35 am - 11:24 pm

BHD

STL

19h 49m2 stops

$784British Airways

Fri, Apr 24 - Sat, May 2

6:55 pm - 4:50 pm

STL

BHD

15h 55m2 stops

5:20 pm - 8:43 pm

BHD

STL

33h 23m2 stops

$797KLM

Mon, Jan 12 - Tue, Jan 20

6:44 pm - 6:35 pm

STL

BHD

17h 51m2 stops

6:35 am - 6:16 pm

BHD

STL

17h 41m2 stops

$817British Airways

Mon, Jan 12 - Tue, Jan 20

12:11 pm - 2:15 pm

STL

BHD

20h 04m2 stops

6:30 am - 10:44 pm

BHD

STL

22h 14m2 stops

$994British Airways

Wed, Feb 4 - Sun, Feb 8

1:56 pm - 2:15 pm

MCI

BHD

42h 19m2 stops

11:30 am - 9:27 pm

BHD

MCI

39h 57m2 stops

$1,195Finnair

Thu, Jan 29 - Mon, Feb 2

11:44 am - 2:15 pm

MCI

BHD

20h 31m2 stops

12:10 pm - 9:27 pm

BHD

MCI

39h 17m2 stops

$1,200Finnair

Wed, Feb 4 - Sun, Feb 8

2:02 pm - 1:55 pm

MCI

BHD

17h 53m2 stops

11:05 am - 7:13 pm

BHD

MCI

38h 08m2 stops

$1,485Finnair

Sun, Feb 22 - Thu, Feb 26

KLM flights from Missouri to Belfast

Our best KLM deals on Missouri to Belfast flight tickets

KLM

Jan 20

STL3:31 pmLambert-St Louis

19h 19m

2 stops

BHD4:50 pmBelfast City

Jan 27

BHD5:20 pmBelfast City

29h 25m

2 stops

STL4:45 pmLambert-St Louis

$661

Find similar

KLM

Jan 12

STL6:55 pmLambert-St Louis

15h 55m

2 stops

BHD4:50 pmBelfast City

Jan 20

BHD5:20 pmBelfast City

33h 23m

2 stops

STL8:43 pmLambert-St Louis

$797

Find similar

British Airways flights from Missouri to Belfast

Our best British Airways deals on Missouri to Belfast flight tickets

British Airways

Apr 24

STL10:00 pmLambert-St Louis

11h 30m

1 stop

BHD3:30 pmBelfast City

May 2

BHD4:15 pmBelfast City

33h 15m

1 stop

STL7:30 pmLambert-St Louis

$761

Find similar

British Airways

Apr 24

STL11:14 amLambert-St Louis

22h 16m

2 stops

BHD3:30 pmBelfast City

May 2

BHD7:00 pmBelfast City

30h 30m

1 stop

STL7:30 pmLambert-St Louis

$781

Find similar

British Airways

Apr 24

STL11:14 amLambert-St Louis

22h 16m

2 stops

BHD3:30 pmBelfast City

May 2

BHD9:35 amBelfast City

19h 49m

2 stops

STL11:24 pmLambert-St Louis

$784

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Tue 1/20

3:31 pm-4:50 pm

2 stops19h 19m

Belfast City

Tue 1/27

5:20 pm-4:45 pm

2 stops29h 25m

$661

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 4/24

10:00 pm-3:30 pm

1 stop11h 30m

Belfast City

Sat 5/2

4:15 pm-7:30 pm

1 stop33h 15m

$761

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 4/24

11:14 am-3:30 pm

2 stops22h 16m

Belfast City

Sat 5/2

7:00 pm-7:30 pm

1 stop30h 30m

$781

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 4/24

11:14 am-3:30 pm

2 stops22h 16m

Belfast City

Sat 5/2

9:35 am-11:24 pm

2 stops19h 49m

$784

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 1/12

6:55 pm-4:50 pm

2 stops15h 55m

Belfast City

Tue 1/20

5:20 pm-8:43 pm

2 stops33h 23m

$797

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 1/12

6:44 pm-6:35 pm

2 stops17h 51m

Belfast City

Tue 1/20

6:35 am-6:16 pm

2 stops17h 41m

$817

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 2/4

12:11 pm-2:15 pm

2 stops20h 04m

Belfast City

Sun 2/8

6:30 am-10:44 pm

2 stops22h 14m

$994

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Thu 1/29

1:56 pm-2:15 pm

2 stops42h 19m

Belfast City

Mon 2/2

11:30 am-9:27 pm

2 stops39h 57m

$1,195

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Wed 2/4

11:44 am-2:15 pm

2 stops20h 31m

Belfast City

Sun 2/8

12:10 pm-9:27 pm

2 stops39h 17m

$1,200

Kansas CityBelfast

MCI - BHD

MCIBHD

Kansas City

Sun 2/22

2:02 pm-1:55 pm

2 stops17h 53m

Belfast City

Thu 2/26

11:05 am-7:13 pm

2 stops38h 08m

$1,485

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Other information

What is the cheapest day to depart on your flight to Belfast?

The cheapest day to depart from Missouri to Belfast is on a Tuesday when prices can be found for as low as $674. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Missouri to Belfast for around $870.

What is the cheapest time of day to depart on your flight to Belfast?

Our data shows that the cheapest Missouri to Belfast flights are usually those with departure times in the afternoon. Our users have found flights to Belfast in the afternoon for as low as $785. Try not to purchase tickets at noon because they tend to be around $1,429. Of course, these prices can vary depending on the time of year and what airport you fly to.

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	16h 04m
Direct flights	None

The fastest flight from Missouri to Belfast takes 16h 04m

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?
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.