
Popular airlines from Seattle-Tacoma International Airport (SEA) to Kos (KGS-Kos Island Intl.)
- Air New Zealand
Air New Zealand
- Qantas Airways
Qantas Airways
- Jetstar
Jetstar
- Cathay Pacific
Cathay Pacific
- American Airlines
American Airlines
- AirAsiaX
AirAsiaX
- British Airways
British Airways
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 35% on select hotels after you book a flight*
Cheap Flights from Seattle (SEA) to Kos (KGS)
Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu., 29 May - Thu., 5 Jun.
SEA
Seattle
KGS
Kos
NZ$1,784 Return, found 1 day ago
NZ$1,784
Return
found 1 day ago

Thu., 29 May - Thu., 5 Jun.
SEA
Seattle
KGS
Kos
NZ$1,824 Return, found 1 day ago
NZ$1,824
Return
found 1 day ago

Thu., 29 May - Thu., 5 Jun.
SEA
Seattle
KGS
Kos
NZ$2,104 Return, found 1 day ago
NZ$2,104
Return
found 1 day ago

Thu., 29 May - Thu., 5 Jun.
SEA
Seattle
KGS
Kos
NZ$2,124 Return, found 1 day ago
NZ$2,124
Return
found 1 day ago

Thu., 29 May - Thu., 5 Jun.
SEA
Seattle
KGS
Kos
NZ$2,264 Return, found 1 day ago
NZ$2,264
Return
found 1 day ago

Sun., 25 May - Sun., 1 Jun.
SEA
Seattle
KGS
Kos
NZ$2,368 Return, found 5 days ago
NZ$2,368
Return
found 5 days ago

Sun., 25 May - Sun., 1 Jun.
SEA
Seattle
KGS
Kos
NZ$2,408 Return, found 5 days ago
NZ$2,408
Return
found 5 days ago

Thu., 29 May - Thu., 5 Jun.
SEA
Seattle
KGS
Kos
NZ$2,858 Return, found 1 day ago
NZ$2,858
Return
found 1 day ago

Tue., 27 May - Tue., 3 Jun.
SEA
Seattle
KGS
Kos
NZ$2,872 Return, found 2 days ago
NZ$2,872
Return
found 2 days ago

Thu., 29 May - Thu., 5 Jun.
SEA
Seattle
KGS
Kos
NZ$3,032 Return, found 1 day ago
NZ$3,032
Return
found 1 day ago
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Kos Island Intl. |
Return price | NZ$1,783 |
Distance | 10106 km |
Perfect flights from Seattle to Kos
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Kos. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Seattle - Tacoma Intl. to Kos Island Intl. ticket options cater to your travel preferences, with incredible one-way fares from NZ$1,578 and roundtrip prices from NZ$1,784. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Kos Island Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Kos.
Explore a world of travel with Expedia
- Trending Routes
- Top Flights Destinations
- Related Carriers
- Alternative Routes
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes from Seattle
- Seattle to Auckland (SEA - AKL)
- Seattle to Los Angeles (SEA - LAX)
- Seattle to Paris (SEA - CDG)
- Seattle to Cairo (SEA - CAI)
- Seattle to Wellington (SEA - WLG)
- Seattle to Vancouver (SEA - YVR)
- Seattle to Seoul (SEA - ICN)
- Seattle to London (SEA - LHR)
- Seattle to San Andrés (SEA - ADZ)
- Seattle to Singapore (SEA - SIN)
- Seattle to Ballina (SEA - BNK)
Top Flight Destinations
- Flights to Athens
- Flights to Santorini
- Flights to Rhodes
- Flights to Corfu
- Flights to Mykonos
- Flights to Chania
- Flights to Paros
- Flights to Hersonissos
- Flights to Naxos
- Flights to Zakynthos
- Flights to Kos
- Flights to Milos
- Flights to Kefalonia
- Flights to Thessaloniki
- Flights to Heraklion
- Flights to Agios Nikolaos
- Flights to Skiathos
- Flights to Lefkada
- Flights to Karpathos
- Flights to Kassandra
Kos Flight Deals
Astypalaia
Expedia's Latest Trends
Flights
Boston to Auckland (BOS - AKL)Toronto to New York (YYZ - NYC)Auckland to Dallas (AKL - DFW)Houston to Orlando (HOU - MCO)Auckland to Las Vegas (AKL - LAS)New York to Las Vegas (NYC - LAS)Boston to New York (BOS - JFK)Auckland to New York (AKL - NYC)Las Vegas to New York (LAS - JFK)Auckland to Anchorage (AKL - ANC)Honolulu to Las Vegas (HNL - LAS)Las Vegas to Auckland (LAS - AKL)Auckland to Philadelphia (AKL - PHL)Auckland to Fort Lauderdale (AKL - FLL)Christchurch to Las Vegas (CHC - LAS)London to New York (LON - NYC)Auckland to San Diego (AKL - SAN)New York to Los Angeles (NYC - LAX)San Francisco to Las Vegas (SFO - LAS)Houston to New Orleans (HOU - MSY)Las Vegas to San Francisco (LAS - SFO)Auckland to Cincinnati (AKL - CVG)Dallas to Auckland (DFW - AKL)Miami to New York (MIA - NYC)Athens to Thira (ATH - JTR)Los Angeles to San Diego (LAX - SAN)Auckland to Boston (AKL - BOS)Las Vegas to Los Angeles (LAS - LAX)Vancouver to Anchorage (YVR - ANC)Los Angeles to Las Vegas (LAX - LAS)
*Available to Expedia members.