Find out what a flight from Seattle Boeing Field to London Heathrow might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and London.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Are there multiple airports in Seattle and London?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Seattle: 2 airports are active in Seattle - Boeing Field, Lake Union.
• Airports in London: 6 airports are available in London - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Customize your flight from Seattle Boeing Field to London Heathrow

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about United Kingdom? You might also consider: Edinburgh, London, Manchester, Newcastle, Newquay.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.