
$514 Cheap Alaska Airlines flights Seattle (SEA) to London (LHR)
Prices were available within the past 7 days and start at $514 for one-way flights and $858 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 3 - Fri, May 15
SEA
Seattle
LHR
London
$858 Roundtrip, found 13 hours ago
$858
Roundtrip
found 13 hours ago
| Origin airport | Seattle - Tacoma Intl. | 
|---|---|
| Destination airport | Heathrow | 
| Airlines serving | Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic, WestJet | 
| Popular airline | Icelandair | 
| Distance | 7657 km | 
| Average flight time | 16 hours 38 mins | 
Most Popular Alaska Airlines Routes from Seattle
- Kansas City to Phoenix (MCI - PHX)
- Seattle to Phoenix (SEA - PHX)
- Minneapolis to Las Vegas (MSP - LAS)
- Los Angeles to Honolulu (LAX - HNL)
- Portland to Raleigh (PDX - RDU)
- Seattle Paine Field Intl. Airport to Las Vegas (PAE - LAS)
- Billings to Las Vegas (BIL - LAS)
- Eugene to San Antonio (EUG - SAT)
- Palm Springs to San Francisco (PSP - SFO)
- New York to Las Vegas (JFK - LAS)
Popular Domestic Routes in Heathrow
- Seattle Paine Field Intl. Airport to Phoenix (PAE - PHX)
- Portland to Denver (PDX - DEN)
- Phoenix to Seattle (PHX - SEA)
- Portland to Raleigh (PDX - RDU)
- Portland to Raleigh (PDX - RDU)
- Chicago to Las Vegas (ORD - LAS)
- Billings to Las Vegas (BIL - LAS)
- Seattle Paine Field Intl. Airport to Las Vegas (PAE - LAS)
- Seattle Paine Field Intl. Airport to Las Vegas (PAE - LAS)
- Medford to Oklahoma City (MFR - OKC)