SeatHawk
Flights
Calendar
Returns
Value
Upgrades
Home
/ Routes
Seattle (SEA) → London Heathrow (LHR)
From
Antigua (ANU)
Atlanta (ATL)
Barbados (BGI)
Bengaluru (BLR)
Mumbai (BOM)
Boston (BOS)
Cape Town (CPT)
Cancun (CUN)
Delhi (DEL)
Edinburgh (EDI)
Grenada (GND)
Phuket (HKT)
Washington, D.C. (IAD)
Seoul (ICN)
New York (JFK)
Johannesburg (JNB)
Las Vegas (LAS)
Los Angeles (LAX)
London Heathrow (LHR)
Lagos (LOS)
Manchester (MAN)
Montego Bay (MBJ)
Orlando (MCO)
Miami (MIA)
Maldives (MLE)
Seattle (SEA)
San Francisco (SFO)
St. Vincent & the Grenadines (SVD)
Tampa (TPA)
Toronto (YYZ)
To
Earliest date
Latest date
Max points
Search reward seats
Flight data
Insights
Date
↕
Orig
Dest
Economy
▲
Premium
↕
Upper Class
↕
History
Book
Sat, 19 Sept 2026
SEA
LHR
150,000
250,000
350,000
History
Sat, 10 Apr 2027
SEA
LHR
150,000
110,000
155,000
History
Showing 176–177 of 177 dates
Per page:
25
50
100
Previous
8 / 8
Next
Flights
Calendar
Returns
Value
Upgrades