Round-trip, nonstop flights from Seattle, Washington (SEA) to London, UK (LHR) for $549 – $583 on Virgin Atlantic, a 4-star airline. This is an Economy Light fare, which includes a carry-on bag and free standard seat selection at check-in. Add a checked bag for $150 ($75 each way).
Average price SEA-LHR nonstop flights (all airlines, last 12 months): $990
How to Book this Fare
- Booking link: Book directly with Virgin Atlantic
- Availability: July – December 2025
- Search tips
- Trip length: start with a trip length of 9 days, adjust as needed
- Cheapest days to depart: Sundays through Wednesdays
Instructions: Once the flight search results load, use the price tabs above the results to select low fares on adjacent dates. Use the example dates below to help you get started.
Example Dates
There may be more dates available at this price than are shown here. Use the tips above to help you find them.
| Depart | Return | Price |
|---|---|---|
| July 20 – 22 | July 29 – 31 | $583 |
| Aug. 17 – 20 | Aug. 26 – 29 | $549 |
| Sept. 7 – 10 | Sept. 16 – 19 | $549 |
| Oct. 20 – 22 | Oct. 29 – 31 | $549 |
| Nov. 24 – 26 | Dec. 3 – 5 | $549 |
| Dec. 7 | Dec. 16 | $549 |
Flight deals are accurate and available at time of publication. Sale fares disappear quickly – if it’s been more than 24-72 hours since this deal was posted or updated, chances are it’s no longer available.
Flight deal information
| Airline(s): | Virgin Atlantic |
| Rating: | 4 stars |
| Alliance: | SkyTeam |
| Origin: | SEA |
| Destination: | LHR |
| Stops: | nonstop |
| Fare type: | Economy Light |
| Carry-on bags: | 1 |
| Checked bags: | 0 |
| Seat selection: | Included (at check-in) |
| Changes: | $199 |
| Refunds / Cancellation: | Not allowed |
| Fare (ticket price): | $549 – $583 |
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