Option 1FT
Fly and Train
2 legs, changing in London.
- Time
- 6h 9m to 7h 43m
- Changes
- 1
- CO2e
- ~157 kg
- Fare band
- ££
- F
Flight Billund to London
1h 29m to 1h 48m · 768 km · scheduled airlines · direct services operate
Airports: Billund Airport to London Heathrow, London Gatwick, London Stansted, London Luton, London City.
- Visa: A traveller from Europe usually needs an electronic travel authorisation rather than a visa; it costs £20 and allows visits of up to 6 months, check, see source. Source
- Documents: A holder of a British or Irish passport does not need an electronic travel authorisation; see source. Source
- Customs: Cash of £10,000 or more must be declared when entering Great Britain; see source. Source
Estimated · Indicative · last verified 9 September 2026 · about 148 kg CO2e
How we know this
- Source
- Pro Travel Net curated network, version 1
- Kind
- estimate
- Checked
- 9 September 2026
- Coverage
- United Kingdom, Ireland, Denmark, the Nordics, central and western Europe, Türkiye, the Gulf and Pakistan, valid from 9 September 2026
- Figure
- estimated: a model from distance or a hand estimate where nothing is published
Booked on the operator’s own siteThis does not look right - T
Train London to Cardiff
1h 50m to 2h 5m · 211 km · GWR · two trains an hour
Curated · Indicative · last verified 9 September 2026 · about 9 kg CO2e
How we know this
- Source
- Pro Travel Net curated network, version 1
- Kind
- estimate
- Checked
- 9 September 2026
- Coverage
- United Kingdom, Ireland, Denmark, the Nordics, central and western Europe, Türkiye, the Gulf and Pakistan, valid from 9 September 2026
- Figure
- curated: written by hand from a published timetable or an operator page
Booked on the operator’s own siteThis does not look right
Access, airport and connection time counted in the total: 2h 50m to 3h 50m. Derived by the engine from its own models.