Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Eugene to London Gatwick Airport as you normally would.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to London Gatwick Airport. Flights to London Gatwick Airport from Eugene in February are about $1,031 on average during February, but can be found for as low as $627.
To save up to 74% on this flight, we recommend booking at least 42 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Eugene to London Gatwick Airport from $1,120 1-2 weeks out and tickets from $1,537 for flights departing within the next 72 hours.