Grâce-Hollogne to Seattle (LGG–SEA) — Airlines, Schedules & Connections

LGG Airport Page →
4,984 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 3d ago
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  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Grâce-Hollogne to Seattle
Connecting service available through multiple hubs.
1 Flights/wk 4,984 mi 9h 34m nonstop -7h behind 13 1-stop hubs

While no nonstop service exists between LGG and SEA, connecting options are available through 13 hubs.

Also explore LGG Routes SEA Routes LGG Live Flights SEA Live Flights SEA Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for LGG to SEA.
1-STOP
One-Stop Connections
13
Hubs
~10h
Fastest
~33h
Longest
YYT ~10h 19m RFD ~12h 46m YYZ ~14h 50m LAX ~16h 0m IAH ~16h 45m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
315
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
LGG → SEA
79%
Generally reliable. Most flights run on time.
Arriving
79%
Return
SEA → LGG
100%
Generally reliable. Most flights run on time.
Departing
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays →
Alternatives

Other ways to reach Seattle from Grâce-Hollogne

Nearby airports with service to Seattle–Tacoma International Airport.
Metric LGG→SEA LUX→SEA
Distance from LGG – 78 mi
Nonstop airlines 0 1
Weekly flights 1 2
Flight time 9h 34m 9h 46m
Luxembourg (LUX) to Seattle flights
Airports within 200 miles of LGG with service to Seattle–Tacoma International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-7h
Seattle is 7 hours behind Grâce-Hollogne.
LGG: CET · SEA: MDT

When it's 6:00 PM in Grâce-Hollogne, it's 11:00 AM in Seattle.
Distance & Flight Time
4,984 mi / 8,020 km
Nonstop flight time is approximately 9h 34m.
Visa & Entry

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.

Verify entry requirements with official sources before travel.
Getting from SEA

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.

Seattle Climate

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.

Check current weather forecasts before travel.
Facts

LGG–SEA Quick Facts

Key statistics for the Grâce-Hollogne to Seattle route.
Route details
Distance4,984 mi / 8,020 km
Flight time9h 34m
Time difference-7 hours
Airlines (nonstop)0
Weekly flights1 out
1-stop connections13 hubs
Origin: LGG
Full nameLiège Airport
IATA / ICAOLGG / EBLG
TimezoneEurope/Brussels
Elevation659 ft / 201 m
Destination: SEA
Full nameSeattle–Tacoma International Airport
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m
FAQ

Frequently Asked Questions

Common questions about LGG to SEA flights.
Nonstop flights from Liège Airport to Seattle–Tacoma International Airport take approximately 9h 34m. The route covers 4,984 miles.
There are approximately 1 nonstop flights per week from LGG to SEA.
Yes, 1-stop connections are available through YYT, RFD, YYZ, LAX, IAH, ATL, MIA, DOH, JFK, FRA, KEF, ORD and PVG. These options provide additional schedule flexibility.
Seattle is 7 hours behind Grâce-Hollogne.
Nearby alternatives include LUX. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

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 ranges from 9 hours 34 minutes. The route covers a distance of 4,984 miles (8,020 km).

Connecting Options and Alternatives

13 one-stop connections are available, with the fastest taking approximately 10 hours via YYT. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Luxembourg (LUX).