How to fly Seattle to London with points & miles
SEA → LHR · the cheapest award options by airline program and cabin, with the best card to pay with.
Award prices by program & cabin
| Program | Cabin | From (points) | ≈ Value |
|---|---|---|---|
| Air France-KLM Flying Blue | Business | 93,000 | $1209 |
| Atmos Rewards | First | 85,000 | $1190 |
Based on real award bookings shared by travelers. Prices are the lowest seen per program & cabin and vary by date and availability.
Booking SEA → LHR with points
Flying Seattle to London is often far cheaper with miles than cash — especially in premium cabins. The trick is knowing which program to book through and which credit card earns (or transfers) the right miles. Trilla compares cash vs points instantly, shows the best card to pay with, and surfaces the lowest award prices for SEA–LHR so you don't overpay.
The cheapest award we've seen on this route is about 85,000 Atmos Rewards miles in first — roughly $1190 in value. Create a free account to track prices and get an alert when this route drops.
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