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Belfast City

$303+ Cheap flights from St. Louis (STL) to Belfast City (BHD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BHD
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from St. Louis to Belfast City

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Belfast City (BHD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$620
(oojo)

One-way from

$303
(Kiwi.com)
Provider with most accurate pricing for Lambert-St Louis-Belfast City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Belfast City flights.
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From Lambert-St Louis to Belfast City
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One-way flight from Lambert-St Louis to Belfast City
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Find flight deals from St. Louis to Belfast City

Cheapest flights from St. Louis to Belfast City
Explore the most affordable flight options available from St. Louis to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:49 pmSTL - BHD
2 stops26h 11mDelta
Wed 12/245:20 pmBHD - STL
2 stops33h 21mDelta
Deal found 11/19$783
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:32 pmSTL - BHD
2 stops18h 18mDelta
Sun 12/76:30 amBHD - STL
2 stops20h 32mDelta
Deal found 11/19$786
This Delta deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:00 amSTL - BHD
2 stops28h 50mDelta
Tue 12/96:30 amBHD - STL
2 stops15h 36mDelta
Deal found 11/18$793
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:53 amSTL - BHD
2 stops17h 17mAmerican Airlines
Tue 12/238:45 amBHD - STL
2 stops19h 59mAmerican Airlines
Deal found 11/19$904
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:45 amSTL - BHD
2 stops24h 05mDelta
Wed 12/245:20 pmBHD - STL
2 stops33h 21mDelta
Deal found 11/19$953
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/122:54 pmSTL - BHD
2 stops13h 36mAmerican Airlines
Tue 12/238:45 amBHD - STL
2 stops19h 59mAmerican Airlines
Deal found 11/19$955
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:50 amSTL - BHD
2 stops16h 50mAmerican Airlines
Wed 12/2411:25 amBHD - STL
2 stops32h 44mAmerican Airlines
Deal found 11/19$961
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:00 amSTL - BHD
2 stops21h 10mAmerican Airlines
Thu 12/189:05 amBHD - STL
2 stops19h 39mAmerican Airlines
Deal found 11/19$965
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:45 amSTL - BHD
2 stops24h 05mDelta
Wed 12/245:20 pmBHD - STL
2 stops34h 56mDelta
Deal found 11/19$1,012
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:53 pmSTL - BHD
2 stops17h 57mAmerican Airlines
Thu 12/186:35 amBHD - STL
2 stops22h 09mAmerican Airlines
Deal found 11/19$1,014
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:49 pmSTL - BHD
2 stops26h 11mDelta
Thu 12/186:30 amBHD - STL
2 stops34h 24mDelta
Deal found 11/19$1,018

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Belfast City 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, Cheapflights users made 2,558,603 searches. Data last updated November 20, 2025.
Use the filters below to find and compare flights from St. Louis to Belfast City Airport that are best for you.

Fly from

St. Louis

Fly to

Belfast City

Route

Depart

Return

Price

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 1/12

6:44 pm-4:05 pm

2 stops15h 21m

Belfast City

Tue 1/20

6:35 am-6:16 pm

2 stops17h 41m

$620

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Thu 1/8

9:45 am-4:50 pm

2 stops25h 05m

Belfast City

Thu 1/22

5:20 pm-9:38 pm

2 stops34h 18m

$648

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Thu 1/8

6:25 am-4:50 pm

2 stops28h 25m

Belfast City

Fri 1/23

5:20 pm-11:36 pm

2 stops36h 16m

$648

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Thu 1/8

6:10 am-4:50 pm

2 stops28h 40m

Belfast City

Mon 1/19

5:20 pm-8:43 pm

2 stops33h 23m

$723

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 12/10

12:49 pm-9:00 pm

2 stops26h 11m

Belfast City

Wed 12/24

5:20 pm-8:41 pm

2 stops33h 21m

$783

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 12/5

6:39 am-4:50 pm

2 stops28h 11m

Belfast City

Tue 12/9

6:30 am-8:47 pm

2 stops20h 17m

$786

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 12/3

4:32 pm-4:50 pm

2 stops18h 18m

Belfast City

Sun 12/7

6:30 am-9:02 pm

2 stops20h 32m

$786

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Sat 1/10

7:00 am-4:50 pm

2 stops27h 50m

Belfast City

Tue 1/20

5:20 pm-4:07 pm

2 stops28h 47m

$800

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Sat 1/10

7:00 am-4:50 pm

2 stops27h 50m

Belfast City

Fri 1/23

5:20 pm-7:27 pm

2 stops32h 07m

$800

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 1/5

5:00 pm-4:50 pm

2 stops17h 50m

Belfast City

Sat 1/24

5:20 pm-11:37 pm

2 stops36h 17m

$923

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 20 results
1
2

Compare providers for flights from St. Louis to Belfast City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Belfast City in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Belfast City Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Belfast City Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Belfast City Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Belfast City Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Belfast City Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Belfast City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Belfast City?

    For a flight from St. Louis to Belfast City, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to Belfast City per day. 0 airlines have flights to Belfast City from Lambert-St Louis on a regular basis.

  • How long is the flight from St. Louis to Belfast City Airport?

    There are many flights that can get you from St. Louis to Belfast City Airport in 15h 21m. Fly via British Airways or Delta to get the fastest option. The distance between St. Louis and Belfast City Airport is about 3893 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from St. Louis to Belfast City Airport one-way?

    The cheapest airlines for a one-way flight from St. Louis to Belfast City Airport are KLM ($439), Delta ($519), and Air France ($524).

  • Can I find deals for flights from St. Louis to Belfast City that include hotel bookings?

    Yes. In addition to deals on St. Louis to Belfast City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Belfast City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Belfast City.

  • Can I find deals for business class flights from St. Louis to Belfast City?

    Yes. Cheapflights offers flight deals from St. Louis to Belfast City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Belfast City Airport?

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

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