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Colombo To Seattle Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

August
September
October
November
December
January
February
March
April

July is by far the best month, wherein you can get cheapest flights for Colombo to Seattle. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

disclDisclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From Colombo To Seattle

Cheapest
SriLankan Airlines
SriLankan Airlines

CMB

19:45

Colombo

Bandaranaike International Colombo Airport

Tue , 29 Jul 2025

27h 35m
ellipse
1 Stop

SEA

10:50

Seattle

Seattle Tacoma International Airport

Wed, 30 Jul 2025

£747
Korean Air
Korean Air

CMB

19:45

Colombo

Bandaranaike International Colombo Airport

Tue , 29 Jul 2025

27h 35m
ellipse
1 Stop

SEA

10:50

Seattle

Seattle Tacoma International Airport

Wed, 30 Jul 2025

£878
Qatar Airways
Qatar Airways

CMB

10:30

Colombo

Bandaranaike International Colombo Airport

Tue , 29 Jul 2025

38h 45m
ellipse
1 Stop

SEA

12:45

Seattle

Seattle Tacoma International Airport

Wed, 30 Jul 2025

£888
Cathay Pacific airways
Cathay Pacific airways

CMB

00:50

Colombo

Bandaranaike International Colombo Airport

Tue , 29 Jul 2025

30h 45m
ellipse
2 Stop

SEA

19:05

Seattle

Seattle Tacoma International Airport

Tue, 29 Jul 2025

£950
Cathay Pacific airways
Cathay Pacific airways

CMB

00:50

Colombo

Bandaranaike International Colombo Airport

Tue , 05 Aug 2025

28h 17m
ellipse
2 Stop

SEA

16:37

Seattle

Seattle Tacoma International Airport

Tue, 05 Aug 2025

£950
Emirates
Emirates

CMB

02:55

Colombo

Bandaranaike International Colombo Airport

Tue , 29 Jul 2025

23h 00m
ellipse
1 Stop

SEA

13:25

Seattle

Seattle Tacoma International Airport

Tue, 29 Jul 2025

£955
Cathay Pacific airways
Cathay Pacific airways

CMB

00:50

Colombo

Bandaranaike International Colombo Airport

Tue , 29 Jul 2025

28h 17m
ellipse
2 Stop

SEA

16:37

Seattle

Seattle Tacoma International Airport

Tue, 29 Jul 2025

£974
Korean Air
Korean Air

CMB

19:45

Colombo

Bandaranaike International Colombo Airport

Tue , 05 Aug 2025

27h 35m
ellipse
1 Stop

SEA

10:50

Seattle

Seattle Tacoma International Airport

Wed, 06 Aug 2025

£1009
JetBlue Airways
JetBlue Airways

CMB

04:35

Colombo

Bandaranaike International Colombo Airport

Tue , 29 Jul 2025

29h 59m
ellipse
2 Stop

SEA

22:04

Seattle

Seattle Tacoma International Airport

Tue, 29 Jul 2025

£1063
Qatar Airways
Qatar Airways

CMB

04:35

Colombo

Bandaranaike International Colombo Airport

Tue , 29 Jul 2025

20h 40m
ellipse
1 Stop

SEA

12:45

Seattle

Seattle Tacoma International Airport

Tue, 29 Jul 2025

£1066
Qatar Airways
Qatar Airways

CMB

04:35

Colombo

Bandaranaike International Colombo Airport

Tue , 05 Aug 2025

20h 40m
ellipse
1 Stop

SEA

12:45

Seattle

Seattle Tacoma International Airport

Tue, 05 Aug 2025

£1066
ellipse

Early Morning Flight Colombo to Seattle

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Cheapest Flight
Found
£3319
group
Average Flight
Time
35h 01m
calendra
Date/Time
04 Jan 2026
00:25 AM
plane
Airlines
Air Canada
Ellipse

Late Night Flight Colombo to Seattle

wallet
Cheapest Flight
Found
£5424
group
Average Flight
Time
24h 50m
calendar
Date/Time
05 Aug 2025
22:15 PM
plane
Airlines
Air China

Flights from Colombo to Seattle with Easemytrip

Flying from Colombo to Seattle has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.

The air route between Colombo to Seattle is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Bandaranaike International Colombo Airport (CMB) and Seattle Tacoma International Airport (SEA). You can expect a flight distance of approximately 13559 km, and most direct services cover it in around 15:40.

Let’s take a closer look at everything you need to know before booking your flight from Colombo to Seattle.

Travel Overview: Colombo to Seattle

Flight Details Information
Route Distance 13559 km
Average Flight Time 15:40 hrs
Departure Airport Bandaranaike International Colombo Airport (CMB)
Arrival Airport Seattle Tacoma International Airport (SEA)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines SriLankan Airlines, Korean Air, Qatar Airways, Cathay Pacific airways

The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.

Read more

FAQs about flights from Colombo to Seattle

Are there direct flights from Colombo to Seattle?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?