# Distance from Alton/St Louis (ALN) to Budapest (BUD)

> 8,144 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,144 km / 5,060 mi / 4,397 nm
- **Estimated flight time**: 11h
- **Heading**: 42° (northeast)
- **Return heading**: 310° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Hungary
- **Intercontinental**: North America → Europe
- **Time difference**: +7h (When it's 04:45 in Alton/St Louis, it's 11:45 in Budapest)
- **Elevation difference**: 49 ft (BUD is lower than ALN)

## Airports

### [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)

- City: Alton/St Louis, United States
- ICAO: KALN
- Timezone: America/Chicago
- Coordinates: 38.890000, -90.050000
- Elevation: 544 ft

### [Budapest Ferenc Liszt International Airport (BUD)](https://www.flightduration.online/airport/bud-budapest-budapest-ferenc-liszt-international-airport/1ef266df-4ebe-6df2-a892-06bb2780ed98)

- City: Budapest, Hungary
- ICAO: LHBP
- Timezone: Europe/Budapest
- Coordinates: 47.440000, 19.260000
- Elevation: 495 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 04:45 in Alton/St Louis, it's 11:45 in Budapest.
With a 7-hour time difference, expect significant jet lag.

## Related

- [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)
- [Budapest Ferenc Liszt International Airport (BUD)](https://www.flightduration.online/airport/bud-budapest-budapest-ferenc-liszt-international-airport/1ef266df-4ebe-6df2-a892-06bb2780ed98)
- [Flight duration calculator](/#calculator)