€144 Cheap Flights Philadelphia to Seattle (PHL-SEA)

If you’re planning on travelling from Philadelphia Intl. Airport (PHL) to Seattle - Tacoma Intl. Airport (SEA), round-trip flights start from €287. This figure is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don’t hang about. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.

We understand that circumstances change unexpectedly, so we’ve made it as simple as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.

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 PHL to SEA flights, you’ll see a “no change fees” filter for you to select.

The flying distance between PHL and SEA is 3,800 kilometres. Sneak in a nap or make a start on the latest bestseller and the journey will zip by.

There are a few airlines that fly from PHL to Seattle - Tacoma Intl. Airport (SEA). Alaska Airlines (AS) is a great choice, offering 30 flights every month. Operating 30 flights each month on this route, American Airlines (AA) is another traveller favourite.

Last-minute bookings from PHL to Seattle - Tacoma Intl. Airport (SEA) can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out! If you’d rather play it safe and start planning your trip early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines publish their prices that far in advance. Our suggestion? Check back often as prices are updated regularly.