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Cheap flights from St. Louis (STL) to Belfast from $441

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — BHD
jun. 4 — jun. 111
From?
To?
mar. 6/4
mar. 6/11
1 adult, Economy
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Cheap flight deals from St. Louis to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Belfast (BF1). 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 mayo 30, 2024.

Popular in

February

Cheapest in

August

Round-trip from

$640

One-way from

$441
High demand for flights, 39% potential price rise
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Best time to find cheap flights, 40% potential price drop
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From Lambert-St Louis to Belfast
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One-way flight from Lambert-St Louis to Belfast
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What is the cheapest day to fly round-trip from St. Louis to Belfast?

Flights from St. Louis to Belfast are found to be more expensive on Tuesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Belfast.

What is the cheapest month to fly from St. Louis to Belfast?

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, August can be a great choice for travel to Belfast. Flights to Belfast from St. Louis in August are about $1,121 on average during August, but can be found for as low as $673.

What is the cheapest time of day to fly from STL to BFS?

When flying from St. Louis to Belfast, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight at noon.

Cheap St. Louis to Belfast flights in May & June 2024

Find cheap flight options from St. Louis to Belfast specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on mayo 30, 2024.
sáb. 6/15:55 amSTL - BHD
2 stops22h 15mBritish Airways
vie. 6/72:15 pmBHD - STL
2 stops30h 11mBritish Airways
Deal found 5/29$970
sáb. 6/110:49 amSTL - BHD
2 stops19h 31mAmerican Airlines
vie. 6/72:15 pmBHD - STL
2 stops32h 33mAmerican Airlines
Deal found 5/30$1,079
sáb. 6/15:55 amSTL - BHD
2 stops22h 15mBritish Airways
vie. 6/76:50 pmBHD - STL
3 stops25h 36mBritish Airways
Deal found 5/29$1,196
sáb. 6/19:50 amSTL - BHD
2 stops25h 50mMultiple Airlines
vie. 6/76:55 amBHD - STL
3 stops33h 39mMultiple Airlines
Deal found 5/29$1,468
sáb. 6/14:05 pmSTL - BFS
2 stops19h 10mMultiple Airlines
vie. 6/78:25 amBFS - STL
3 stops32h 09mMultiple Airlines
Deal found 5/29$1,472
sáb. 6/18:05 amSTL - BFS
3 stops22h 55mMultiple Airlines
vie. 6/78:25 amBFS - STL
3 stops32h 09mMultiple Airlines
Deal found 5/29$1,548
sáb. 6/111:10 amSTL - BHD
3 stops24h 30mMultiple Airlines
vie. 6/76:55 amBHD - STL
3 stops33h 39mMultiple Airlines
Deal found 5/29$1,943

St. Louis to Belfast 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Belfast in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
lun. 7/155:46 pmSTL - BHD
2 stops18h 54mAmerican Airlines
dom. 7/216:50 amBHD - STL
2 stops23h 04mAmerican Airlines
Deal found 5/30$827
sáb. 6/15:55 amSTL - BHD
2 stops22h 15mBritish Airways
vie. 6/72:15 pmBHD - STL
2 stops30h 11mBritish Airways
Deal found 5/29$970
sáb. 6/110:49 amSTL - BHD
2 stops19h 31mAmerican Airlines
vie. 6/72:15 pmBHD - STL
2 stops32h 33mAmerican Airlines
Deal found 5/30$1,079
lun. 7/156:04 amSTL - BHD
3 stops21h 11mBritish Airways
dom. 7/216:50 amBHD - STL
2 stops16h 29mBritish Airways
Deal found 5/30$1,084
sáb. 6/15:55 amSTL - BHD
2 stops22h 15mBritish Airways
vie. 6/76:50 pmBHD - STL
3 stops25h 36mBritish Airways
Deal found 5/29$1,196
sáb. 6/19:50 amSTL - BHD
2 stops25h 50mMultiple Airlines
vie. 6/76:55 amBHD - STL
3 stops33h 39mMultiple Airlines
Deal found 5/29$1,468
sáb. 6/14:05 pmSTL - BFS
2 stops19h 10mMultiple Airlines
vie. 6/78:25 amBFS - STL
3 stops32h 09mMultiple Airlines
Deal found 5/29$1,472
sáb. 6/18:05 amSTL - BFS
3 stops22h 55mMultiple Airlines
vie. 6/78:25 amBFS - STL
3 stops32h 09mMultiple Airlines
Deal found 5/29$1,548
sáb. 6/111:10 amSTL - BHD
3 stops24h 30mMultiple Airlines
vie. 6/76:55 amBHD - STL
3 stops33h 39mMultiple Airlines
Deal found 5/29$1,943

One-way flights to Belfast from St. Louis

Search for one-way flight options from St. Louis to Belfast. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
jue. 9/57:48 pmSTL - BHD
2 stops42h 12mMultiple Airlines
Deal found 5/29$441
jue. 9/57:48 pmSTL - BFS
2 stops41h 27mMultiple Airlines
Deal found 5/29$444
jue. 9/56:24 pmSTL - BHD
3 stops43h 36mMultiple Airlines
Deal found 5/29$542
jue. 9/56:24 pmSTL - BFS
3 stops42h 51mMultiple Airlines
Deal found 5/29$545

Find flights from St. Louis to Belfast within your budget

Customize your flight search to find flights from St. Louis 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, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$827 - $1,084

Route

Depart

Return

Price

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

lun. 7/15

2 stops18h 54m

Belfast City

dom. 7/21

2 stops23h 04m

$827

Lambert-St LouisBelfast City

STL - BHD

STLBHD

Lambert-St Louis

lun. 7/15

3 stops21h 11m

Belfast City

dom. 7/21

2 stops16h 29m

$1,084

Flights are sorted by cheapest first

Deals found on 5/30

What is the cheapest day to fly from St. Louis to Belfast?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Belfast. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Belfast flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from St. Louis to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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.

Temperature and rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average temperature and rainfall totals by month.

BFS

Temperature

41 - 60.8 °F

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated mayo 30, 2024.
American Airlines
7.3
Good
14,284 reviews
Check prices

Entertainment

7.1

Comfort

7.2

Food

6.6

Boarding

7.6

Overall

7.3

Crew

8.0

Reviews

1 / 10

Entertainment was ok, no delays either. The food was just ok, the trays were dirty and overall the plane seemed dated.

American Airlines
7.3
Good
14,284 reviews
American Airlines
7.3
Good
14,284 reviews
Check prices

Entertainment

7.1

Comfort

7.2

Food

6.6

Boarding

7.6

Overall

7.3

Crew

8.0

Reviews

1 / 10

Entertainment was ok, no delays either. The food was just ok, the trays were dirty and overall the plane seemed dated.

British Airways
6.8
Okay
6,765 reviews
American Airlines
7.3
Good
14,284 reviews
Check prices

Entertainment

7.1

Comfort

7.2

Food

6.6

Boarding

7.6

Overall

7.3

Crew

8.0

Reviews

1 / 10

Entertainment was ok, no delays either. The food was just ok, the trays were dirty and overall the plane seemed dated.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Belfast. 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?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Belfast from St. Louis. Booking flights from Lambert-St Louis (STL) to Belfast should be relatively easy as there are 0 daily outbound flights to Belfast from 1 airline.

  • Can I find flights from St. Louis to Belfast for under $900 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Belfast for under $900. The cheapest flight booked recently is on American Airlines for just $827, but on average you can expect to pay $955.

  • What are the cheapest airlines flying from St. Louis to Belfast round-trip?

    Our cheapest airline available from St. Louis to Belfast is American Airlines. Our recent data shows that you can find tickets from as low as $827 on this airline. An additional option worth looking into is British Airways, starting at $1,084. Users have found that American Airlines is 26% cheaper than the other options available to this destination.

  • What does STL to BFS mean?

    Great question - STL to BFS just means Lambert-St Louis Airport to Belfast Intl Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Belfast City Airport (BHD), Glasgow Prestwick Airport (PIK), Londonderry Eglinton Airport (LDY), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL).

  • Can I find deals for flights from St. Louis to Belfast that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Belfast flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Belfast with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Belfast flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

    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.

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

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

  • Can I find deals for flights from St. Louis to Belfast that allow pets onboard?

    Many airlines flying from St. Louis to Belfast offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Belfast?

    Yes, you can often find last-minute deals on St. Louis to Belfast flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Belfast flight deals updated?

    The St. Louis to Belfast flight deals you see on this page were last updated on 5/30.

  • What is the cheapest month to book a flight from St. Louis to Belfast?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Belfast (average of $641). Flying from St. Louis to Belfast in June is currently the most expensive (average of $1,181). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for St. Louis to Belfast
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from St. Louis to Belfast

Discover the top airline that operate flights from St. Louis to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated mayo 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$700Average$1,071FlexibilityNo cancel feeOn-time71%
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Search flights from St. Louis to Belfast by cabin class

Find flights from St. Louis to Belfast, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Belfast?

Deals for St. Louis to Belfast flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Belfast?

Millions of users choose and trust Cheapflights to book the best flight deals from St. Louis to Belfast for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from St. Louis to Belfast with no change fees?

Yes, we can. To see specific flights from St. Louis to Belfast with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St. Louis to Belfast become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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