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Cheap flights from St. Louis to Belfast from £557

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BHD
26 Nov — 3 Dec1
1 adult

Find flights from St. Louis to Belfast within your budget

Customise 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 939,815 searches. Data last updated 21 November 2024.

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Route

Depart

Return

Price

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 17/3

18:23-14:10

2 stops14h 47m

Belfast City

Mon 24/3

17:40-21:40

2 stops33h 00m

£557

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Tue 17/12

14:10-21:00

2 stops24h 50m

Belfast City

Tue 24/12

06:30-21:43

2 stops21h 13m

£738

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Tue 17/12

06:30-14:10

3 stops25h 40m

Belfast Intl

Tue 24/12

20:50-15:06

2 stops24h 16m

£1,088

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 17/3

15:50-20:55

3 stops24h 05m

Belfast City

Mon 24/3

17:45-17:11

3 stops28h 26m

£2,010

Flights are sorted by cheapest return flights first.

Deals found on 19/11

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 21 November 2024.

Round-trip from

£557

Popular in

February

Cheapest in

October
British Airways
  • British Airways
  • 17/3-24/3
  • 4 total stops
  • 47h 47m total
  • St. Louis to Belfast
Search Deals
High demand for flights, 45% potential price rise
Search Deals
Best time to find cheap flights, 35% potential price drop
Search Deals

Find flight deals from St. Louis to Belfast

Cheapest flights from St. Louis to Belfast
Explore the most affordable flight options available from St. Louis to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Tue 17/1214:10STL - BHD
2 stops24h 50mDelta
Tue 24/1206:30BHD - STL
2 stops21h 13mDelta
Deal found 19/11£738
Tue 17/1206:30STL - BFS
3 stops25h 40mMultiple Airlines
Tue 24/1220:50BFS - STL
2 stops24h 16mMultiple Airlines
Deal found 19/11£1,088
Tue 17/1214:30STL - BHD
3 stops20h 45mMultiple Airlines
Tue 24/1206:30BHD - STL
3 stops21h 15mMultiple Airlines
Deal found 19/11£3,368

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 return 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.

Travel insights for flights from St. Louis to Belfast

Get recent, data-driven insights about flights from St. Louis to Belfast including ideal travel times, pricing trends, and more.

Rainfall in Belfast by month

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

In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

Temperature in Belfast by month

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

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 21 November 2024.
Delta
8.0
Very Good
8,756 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,756 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.7
Okay
6,837 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Belfast. On average, Lambert-St Louis has 0 outbound flights to Belfast per day from 0 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    Currently priced at £557, British Airways will fly you from St. Louis to Belfast and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as £738. British Airways is currently priced 30% below the average price you’ll pay for this route.

  • 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 holiday 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.

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Belfast (average of £67). Flying from St. Louis to Belfast in August is currently the most expensive (average of £90). 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.

See more FAQs

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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.
Kansas City to Belfast City flights

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

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Belfast, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from St. Louis to Belfast and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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