Alaska Airlines Flights from United Kingdom to United States
Deals on one-way flights from United Kingdom to United States.*
London (LHR)to
Seattle (SEA)*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
One-way low-fare flights United Kingdom to United States.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| London (LHR) | Los Angeles (LAX) | One-way | Saver | Depart: Sep 2, 2026 | From $559 Seen: 2 hours ago | |
| London (LHR) | Los Angeles (LAX) | One-way | Saver | Depart: Sep 16, 2026 | From $559 Seen: 48 minutes ago | |
| London (LHR) | Seattle (SEA) | One-way | Saver | Depart: Sep 30, 2026 | From $598 Seen: 5 hours ago | |
| London (LHR) | Seattle (SEA) | One-way | Saver | Depart: Sep 16, 2026 | From $598 Seen: 10 hours ago | |
| London (LHR) | Seattle (SEA) | One-way | Saver | Depart: Oct 5, 2026 | From $598 Seen: 16 minutes ago | |
| London (LHR) | Seattle (SEA) | One-way | Saver | Depart: Jun 3, 2026 | From $599 Seen: 7 hours ago | |
| London (LHR) | Seattle (SEA) | One-way | Saver | Depart: Sep 29, 2026 | From $619 Seen: 8 hours ago | |
| London (LHR) | Seattle (SEA) | One-way | Saver | Depart: Feb 7, 2027 | From $655 Seen: 11 hours ago | |
| London (LHR) | Los Angeles (LAX) | One-way | Saver | Depart: Oct 14, 2026 | From $673 Seen: 12 hours ago | |
| London (LHR) | Los Angeles (LAX) | One-way | Saver | Depart: Jul 26, 2026 | From $1,131 Seen: 3 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.