Cheap Flights from Seattle (SEA) to London (LGW)

Popular airlines from Seattle to London (LGW-Gatwick)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from Seattle (SEA) to London (LGW)

September is typically the cheapest month to fly

From ₩722,717 - ₩1,466,445 per traveler.
Flights from Seattle (SEA) to London (LGW)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Gatwick
Distance
7697 km

Seattle to Gatwick Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to Gatwick will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Gatwick.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to LGW flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to LGW with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Gatwick Airport (LGW)?
Start packing your suitcase, because round-trip flights between Sea-Tac Airport and Gatwick Airport (LGW) start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to London Gatwick?
We get that life can throw the odd curveball, so we've made it as hassle-free as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from SEA to LGW that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to London Gatwick flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Gatwick Airport (LGW)?
The distance is around 7,800 kilometers. Eye mask? Check. Spare socks? Double check. We suggest you pack all the travel comforts for this long-haul SeaTac to Gatwick flight.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to London Gatwick?
You won't find any airlines flying directly between Sea-Tac Airport and London Gatwick, so be ready to make at least one stop on your journey. A layover can be a nice way to break up a trip!
Are Sea-Tac Airport to LGW flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so not always. While last-minute deals between Seattle - Tacoma Intl. Airport (SEA) and London Gatwick are possible, it also makes sense to keep an eye on prices well before you fly. In fact, some airlines publish their prices up to 12 months ahead of the departure date. Expedia is continuously updating the best airfare bargains around, so keep checking and be ready to pounce when the fares dip.
*Available to Expedia members.