Cheap flights from Belfast, United Kingdom to St. Louis, MO
Flights starting at £220. Choose between easyJet, Frontier Airlines, or Spirit Airlines to find the best price.
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Travelers usually depart from Belfast International, or George Best Belfast City when they travel from Belfast to St. Louis. The most popular airlines for this route are easyJet, Frontier Airlines, Spirit Airlines, Iberia Airlines, and Aer Lingus. Belfast and St. Louis have 171 direct flights per week.
Check-in for a flight from Belfast to St. Louis
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Iberia Airlines | IBE | IB | Yes | Opens 24 days before flight Closes 3 hours before flight |
Aer Lingus | EIN | EI | No | Opens 48 days before flight Closes 5 hours before flight |
Weather in St. Louis
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 3°C | -3°C |
February | 6°C | -2°C |
March | 13°C | 3°C |
April | 18°C | 8°C |
May | 24°C | 14°C |
June | 29°C | 19°C |
July | 31°C | 21°C |
August | 30°C | 20°C |
September | 27°C | 16°C |
October | 20°C | 10°C |
November | 12°C | 3°C |
December | 7°C | 0°C |
14 day forecast
Frequently asked questions
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