Round-trip, nonstop flights from Seattle, Washington (SEA) to London, UK (LHR) for $698 – $866 on Virgin Atlantic, a 4-star airline. This is an Economy Light fare, which includes a carry-on bag and free standard seat selection. Add a checked bag for $150 ($75 each way).
Average price SEA-LHR nonstop flights (all airlines, last 12 months): $1025
How to Book this Fare
- Booking link: Book directly with Virgin Atlantic
- Availability: April – December 2025; January – February 2026
- Search tips
- Trip length: start with 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 |
|---|---|---|
| April 27, 28, 30 | May 6, 8, 9 | $698 |
| June 16, 17 | June 24, 25, 26 | $829 |
| July 21, 22, 23 | July 30, 31 | $866 |
| Aug. 18, 29, 20 | Aug. 27, 28, 29 | $801 |
| Sept. 21, 22, 23, 24 | Sept. 30; Oct. 1, 2 | $698 |
| Nov. 16, 17, 18, 19 | Nov. 25, 26, 27, 28 | $698 |
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: | For a fee |
| Changes: | $199 |
| Refunds / Cancellation: | Not allowed |
| Fare (ticket price): | $698 – $866 |
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