Alaska Airlines Flights from Portland to London
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1 Passenger
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Lowest fares from Portland to London
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One-way low-fare flights Portland to London.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Oct 26, 2026 | From $419 Seen: 1 day ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Aug 26, 2026 | From $419 Seen: 1 day ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Sep 27, 2026 | From $419 Seen: 1 day ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Sep 16, 2026 | From $419 Seen: 1 day ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Sep 15, 2026 | From $419 Seen: 1 day ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Jan 12, 2027 | From $433 Seen: 1 day ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Oct 19, 2026 | From $419 Seen: 7 hours ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Sep 25, 2026 | From $469 Seen: 4 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.