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: Nov 27, 2026 | From $389 Seen: 1 day ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: May 9, 2027 | From $339 Seen: 6 hours ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Nov 17, 2026 | From $339 Seen: 1 day ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Mar 15, 2027 | From $339 Seen: 1 day ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Mar 14, 2027 | From $339 Seen: 20 hours ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Jul 12, 2027 | From $388 Seen: 1 day ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Jul 13, 2027 | From $388 Seen: 1 day ago | |
| Portland (PDX) | London (LHR) | One-way | Saver | Depart: Dec 3, 2026 | From $389 Seen: 1 day 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.