Your travel platformSkip navigation

Scan the QR code and download our app

Tanie loty

Denver Seattle - Cheap flights

Special flight deals from Denver to Seattle

Why book flights with eSky?

Largest choice of flights

With flights from over 500 airlines, we'll find your perfect match in seconds.

Flexible search

Extend your search to include nearby airports and flex your dates for the cheapest deals.

Excellent products and services

Need travel insurance, cancellation insurance, car hire, local attraction bookings or more? We have you covered.

Over 4950 customer reviews - choose proven quality and book with complete confidence.

Find the best time to book cheap flights to Seattle

Flexible on travel dates? Discover the cheapest month to fly to Seattle

  • Cheapest round-trip flight

    from 153 USD

  • Cheapest month to travel

    September

  • The cheapest day to fly

    Monday

  • Lowest prices

    1 day before
Aug
??
Sep
153 USD
Oct
262 USD
Nov
415 USD
Dec
??
Jan
??
Feb
??
Mar
339 USD
Apr
??
May
??
Jun
??
Jul
??

When is the best time to buy flight tickets?

Find out how far in advance it's worth booking round-trip flights.

  • 6 months before

    from

    293 USD

  • 3 months before

    from

    236 USD

  • 30 days before

    from

    305 USD

  • 7 days before

    from

    262 USD

  • 1 day before

    from

    216 USD

Discover the cheapest day to fly

Discover on which day of the week flights are usually the most affordable.
198 USD
Mon
219 USD
Tue
267 USD
Wed
251 USD
Thu
278 USD
Fri
279 USD
Sat
381 USD
Sun

General information

  • Local time (UTC-8)

  • Local currency

    USD
Seattle
Seattle, the largest city in the state of Washington, is situated between Puget Sound and Lake Washington, about 175 km from the Canadian border. Home to about 684,451 people in 2015, it is known as the "Emerald City" and serves as an important seaport and air gateway for trade with Asia. Seattle attracts visitors with the Space Needle, Pike Place Market, and the Museum of Pop Culture. The climate is temperate, with mild winters and cool summers. The best time to visit is summer, when temperatures are pleasant.