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Cheap flights from Seattle to Colombo Bandaranaike Intl Airport from C$ 822

SEA — CMB
11 Nov — 18 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Colombo

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Colombo

Tue 13/1011:55 p.m. -
2 stops50h 30m
Wed 21/104:10 a.m. -
2 stops31h 02m
Deal found 9/10C$ 1,777
Mon 12/105:15 p.m. -
1 stop26h 25m
Tue 20/105:35 p.m. -
1 stop32h 20m
Deal found 9/10C$ 1,779
Sat 28/117:05 p.m. -
1 stop21h 20m
Wed 16/127:30 a.m. -
1 stop23h 10m
Deal found 11/10C$ 1,822
Tue 13/107:15 p.m. -
1 stop21h 35m
Wed 21/106:50 a.m. -
1 stop23h 00m
Deal found 9/10C$ 1,837
Tue 13/1011:55 p.m. -
2 stops50h 30m
Sat 17/104:10 a.m. -
2 stops31h 02m
Deal found 9/10C$ 1,847
Thu 15/105:15 p.m. -
1 stop43h 20m
Tue 20/1011:15 a.m. -
2 stops38h 40m
Deal found 9/10C$ 1,850
Sun 1/114:05 p.m. -
1 stop26h 40m
Thu 5/118:15 p.m. -
2 stops30h 50m
Deal found 7/10C$ 1,867
Sat 28/114:05 p.m. -
2 stops36h 50m
Wed 16/128:15 p.m. -
2 stops30h 50m
Deal found 11/10C$ 1,877
Sat 28/112:35 p.m. -
3 stops36h 00m
Wed 16/127:15 p.m. -
3 stops35h 15m
Deal found 11/10C$ 1,881
Mon 12/105:15 p.m. -
2 stops36h 45m
Sat 17/108:35 p.m. -
2 stops53h 20m
Deal found 9/10C$ 1,921
Tue 13/104:25 p.m. -
1 stop22h 10m
Wed 21/106:45 p.m. -
2 stops36h 18m
Deal found 9/10C$ 1,963
Mon 12/104:25 p.m. -
1 stop21h 10m
Sat 17/103:35 a.m. -
1 stop21h 55m
Deal found 9/10C$ 1,983

Find flight deals from Seattle to Colombo

Round-trip from

C$ 1,779

One-way from

C$ 822

Popular in

December

Cheapest in

April

Average price

C$ 1,259
Emirates
  • Emirates
  • 26/10-2/11
  • 4 total stops
  • 76h 40m total
  • Seattle to Colombo
Search Deals
22/11-31/12
  • 22/11-31/12
  • 2 total stops
  • 35h 05m total
  • Seattle to Colombo
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 478 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 118 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 22/11

11:00 a.m.-9:50 p.m.

3 stops45h 20m

Colombo Bandaranaike Intl

Wed 31/12

12:00 a.m.-10:30 a.m.

Nonstop0h 00m

C$ 828

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 3/1

4:05 p.m.-8:20 a.m.

1 stop26h 45m

Colombo Bandaranaike Intl

Tue 26/1

8:15 p.m.-1:35 p.m.

2 stops30h 50m

C$ 1,777

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Mon 4/1

4:05 p.m.-8:20 a.m.

1 stop26h 45m

Colombo Bandaranaike Intl

Wed 27/1

8:15 p.m.-1:35 p.m.

2 stops30h 50m

C$ 1,777

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 3/1

4:05 p.m.-8:20 a.m.

1 stop26h 45m

Colombo Bandaranaike Intl

Mon 25/1

9:45 p.m.-1:35 p.m.

1 stop29h 20m

C$ 1,777

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Tue 5/1

4:05 p.m.-6:25 p.m.

2 stops36h 50m

Colombo Bandaranaike Intl

Wed 27/1

8:15 p.m.-1:35 p.m.

2 stops30h 50m

C$ 1,777

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Wed 18/11

4:05 p.m.-4:20 p.m.

1 stop34h 45m

Colombo Bandaranaike Intl

Fri 27/11

8:15 p.m.-1:35 p.m.

2 stops30h 50m

C$ 1,779

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sat 28/11

7:05 p.m.-5:55 a.m.

1 stop21h 20m

Colombo Bandaranaike Intl

Wed 16/12

7:30 a.m.-5:10 p.m.

1 stop23h 10m

C$ 1,822

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Fri 1/1

4:05 p.m.-9:55 p.m.

1 stop40h 20m

Colombo Bandaranaike Intl

Wed 27/1

9:15 a.m.-1:35 p.m.

1 stop41h 50m

C$ 1,850

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sat 2/1

4:05 p.m.-6:25 p.m.

2 stops36h 50m

Colombo Bandaranaike Intl

Tue 26/1

9:45 p.m.-1:35 p.m.

1 stop29h 20m

C$ 1,850

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Thu 19/11

4:05 p.m.-12:45 a.m.

1 stop43h 10m

Colombo Bandaranaike Intl

Sun 29/11

1:45 a.m.-1:35 p.m.

1 stop25h 20m

C$ 1,850

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 13 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Colombo Bandaranaike Intl Airport

How far ahead should I book a flight from Seattle to Colombo Bandaranaike Intl Airport?

To ensure you get the cheapest price possible for a flight from Seattle to Colombo Bandaranaike Intl Airport, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Colombo Bandaranaike Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Seattle to Colombo Bandaranaike Intl Airport (average of C$ 1,210). Flying from Seattle to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of C$ 2,594). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Colombo

Read through reviews of airlines operating flights from Seattle to Colombo Bandaranaike Intl Airport, such as Singapore Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very good
1,623 reviews
Check prices

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Judith,Sep 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.
Singapore Airlines
8.2
Very good
1,623 reviews
Singapore Airlines
8.2
Very good
1,623 reviews
Check prices

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Judith,Sep 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Related info for your journey

  • What airport do you fly from for flights from Seattle to Colombo Bandaranaike Intl?

    Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly out of when you book flights from Seattle to Colombo Bandaranaike Intl. 1 airline have flights from Seattle/Tacoma Intl to Colombo Bandaranaike Intl on a regular basis. Booking flights from Seattle/Tacoma Intl to Colombo Bandaranaike Intl should not be difficult; the airport handles an average of 0 outbound flights to Colombo Bandaranaike Intl per day.

  • How long is the flight from Seattle to Colombo Bandaranaike Intl Airport?

    A quick flight from Seattle to Colombo Bandaranaike Intl Airport can take about 26h 45m. Emirates provides one of the quickest options available for as low as C$ 1,777. Seattle and Colombo Bandaranaike Intl Airport are separated by a distance of 13551 km.

  • What is the cheapest airline to fly from Seattle to Colombo Bandaranaike Intl Airport round-trip?

    Our cheapest airline available from Seattle to Colombo Bandaranaike Intl Airport is Singapore Airlines. Our recent data shows that you can find tickets from as low as C$ 1,025 on this airline. Singapore Airlines is priced at 39% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Seattle to Colombo that include hotel bookings?

    Yes. In addition to deals on Seattle to Colombo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Colombo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Colombo.

  • Can I find deals for business class flights from Seattle to Colombo?

    Yes. Cheapflights offers flight deals from Seattle to Colombo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Colombo Bandaranaike Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Colombo Bandaranaike Intl Airport (average of C$ 1,210). Flying from Seattle to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of C$ 2,594). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Seattle to Colombo

AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapestC$ 1,025AverageC$ 1,418FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Colombo from Seattle today and book when prices fit your budget.

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