Grâce-Hollogne to Seattle (LGG–SEA) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Last scheduled nonstop: Mar 2026.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
While no nonstop service exists between LGG and SEA, 1-stop connecting options are available.
Connection Landscape
On-Time Performance
Other ways to reach Seattle from Grâce-Hollogne
| Metric | LGG→SEA | BRU→SEA | LUX→SEA |
|---|---|---|---|
| Distance from LGG | – | 46 mi | 78 mi |
| Nonstop airlines | – | 1 | 1 |
| Weekly flights | – | 1 | 1 |
| Flight time | 9h 34m | 9h 43m | 9h 33m |
Travel Essentials
LGG: CEST · SEA: PDT
When it's 6:00 PM in Grâce-Hollogne, it's 9:00 AM in Seattle.
Belgian passport holders travel to the US under the Visa Waiver Program for stays up to 90 days. An approved ESTA (Electronic System for Travel Authorization) is required before boarding and costs USD $21. The ESTA is valid for 2 years or until passport expiry. An e-passport with a machine-readable chip is mandatory.
Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.
Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.
Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.
LGG–SEA Quick Facts
Frequently Asked Questions
Flights from LGG to SEA
Liège Airport (LGG) and Seattle–Tacoma International Airport (SEA) are connected through multiple connecting hub airports.
LGG to SEA Flight Duration and Schedule
Nonstop flight time from LGG to SEA is about 9 hours 34 minutes gate to gate. The route covers a distance of 4,984 miles (8,020 km).
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Chicago O'Hare, Frankfurt Main and Keflavik. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Zaventem (BRU) and Luxembourg (LUX).