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Colombo

$585+ Cheap flights from Seattle (SEA) to Bandaranaike Intl (CMB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Cheap flight deals from Seattle to Colombo

Cheapest flights from Seattle to Colombo
Explore the most affordable flight options available from Seattle to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.

This oojo deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am
SEA
-
CMB
1 stop24h 50m
Singapore Airlines
Fri 11/1312:45 am
CMB
-
SEA
1 stop19h 55m
Singapore Airlines
Deal found 6/10$828
This oojo deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:01 pm
SEA
-
CMB
2 stops29h 14m
Multiple Airlines
Fri 11/1312:45 am
CMB
-
SEA
1 stop19h 55m
Multiple Airlines
Deal found 6/7$936
This oojo deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:45 am
SEA
-
CMB
1 stop25h 15m
Singapore Airlines
Sat 12/512:45 am
CMB
-
SEA
1 stop19h 55m
Singapore Airlines
Deal found 6/8$992
This oojo deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:05 pm
SEA
-
CMB
2 stops32h 10m
Multiple Airlines
Wed 10/2812:45 am
CMB
-
SEA
1 stop19h 55m
Multiple Airlines
Deal found 6/8$1,075
This FlightHub deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:15 am
SEA
-
CMB
1 stop24h 50m
Singapore Airlines
Mon 9/2811:45 am
CMB
-
SEA
1 stop33h 30m
Singapore Airlines
Deal found 6/9$1,139
This FlightHub deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:25 pm
SEA
-
CMB
1 stop21h 10m
Qatar Airways
Mon 9/283:35 am
CMB
-
SEA
1 stop21h 20m
Qatar Airways
Deal found 6/9$1,163
This FlightHub deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:25 pm
SEA
-
CMB
1 stop21h 10m
Qatar Airways
Thu 10/297:30 pm
CMB
-
SEA
1 stop29h 40m
Qatar Airways
Deal found 6/8$1,172
This Justfly.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:41 am
SEA
-
CMB
2 stops28h 54m
Qatar Airways
Sun 9/273:35 am
CMB
-
SEA
1 stop21h 20m
Qatar Airways
Deal found 6/9$1,186
This oojo deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:25 pm
SEA
-
CMB
1 stop28h 05m
Qatar Airways
Sat 9/128:20 pm
CMB
-
SEA
1 stop28h 35m
Qatar Airways
Deal found 6/10$1,196

Find flight deals from Seattle to Colombo

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Colombo (CMB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$828
(oojo)

One-way from

$585
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,383
Provider with most accurate pricing for Seattle/Tacoma Intl-Colombo Bandaranaike Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Colombo Bandaranaike Intl flights.
Search Deals
From Seattle/Tacoma Intl to Colombo Bandaranaike Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to Colombo Bandaranaike Intl
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Colombo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 11, 2026.
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 - CMB

SEACMB

Seattle/Tacoma Intl

Thu 10/22

9:59 am-2:05 am

2 stops27h 36m

Colombo Bandaranaike Intl

Sat 11/14

7:30 pm-11:40 am

1 stop29h 40m

$1,227

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 10/11

5:15 pm-4:50 pm

1 stop35h 05m

Colombo Bandaranaike Intl

Wed 10/14

2:55 am-1:25 pm

1 stop23h 00m

$1,248

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 8/18

5:15 pm-6:30 pm

2 stops36h 45m

Colombo Bandaranaike Intl

Tue 8/25

8:35 pm-1:25 pm

2 stops29h 20m

$1,267

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 9/5

7:18 am-2:05 am

2 stops30h 17m

Colombo Bandaranaike Intl

Fri 9/11

3:35 am-7:07 pm

2 stops28h 02m

$1,277
Quickest round-trip

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 7/7

1:10 am-9:30 pm

2 stops31h 50m

Colombo Bandaranaike Intl

Wed 7/15

7:35 am-7:50 pm

2 stops24h 45m

$1,664

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 8/18

2:50 pm-10:45 am

2 stops31h 25m

Colombo Bandaranaike Intl

Mon 8/24

12:50 am-8:30 pm

3 stops32h 10m

$1,670

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 7/4

1:15 am-9:55 pm

2 stops32h 10m

Colombo Bandaranaike Intl

Sun 7/12

10:55 pm-10:42 pm

3 stops36h 17m

$1,904
Cheapest one-way

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 10/1

10:15 am-11:35 pm

1 stop24h 50m

$596

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/16

5:40 pm-11:55 pm

3 stops41h 45m

$640

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 9/3

8:10 pm-9:50 pm

3 stops37h 10m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Seattle to Colombo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Colombo in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Colombo Bandaranaike Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Colombo Bandaranaike Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Colombo Bandaranaike Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Colombo Bandaranaike Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Colombo Bandaranaike Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

The best time to book flights from Seattle to Colombo Bandaranaike Intl Airport is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Colombo Bandaranaike Intl Airport (average of $732). Flying from Seattle to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,470). 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.

How much does it cost to fly round-trip from Seattle to Colombo Bandaranaike Intl Airport?

Reviews of airlines servicing Colombo

Get insights into the airlines that provide service to Colombo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colombo. Reviews last updated June 11, 2026.
Read reviews from past customers who have flown Singapore Airlines,Cathay Pacific, andTurkish Airlines from Seattle to Colombo Bandaranaike Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very good
1,539 reviews

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.2
Very good
1,539 reviews
Singapore Airlines
8.2
Very good
1,539 reviews

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Cathay Pacific
7.6
Good
1,370 reviews
Singapore Airlines
8.2
Very good
1,539 reviews

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Turkish Airlines
7.4
Good
4,408 reviews
Singapore Airlines
8.2
Very good
1,539 reviews

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Qatar Airways
7.3
Good
3,726 reviews
Singapore Airlines
8.2
Very good
1,539 reviews

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
China Eastern
7.3
Good
223 reviews
Singapore Airlines
8.2
Very good
1,539 reviews

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Related info for your journey

Find useful and relevant information for your journey from Seattle to Colombo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    If you book a flight to Colombo Bandaranaike Intl from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Seattle/Tacoma Intl to Colombo Bandaranaike Intl per day from 6 different airlines.

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

    Departing from Seattle to Colombo Bandaranaike Intl Airport will take you 35h 05m. The distance from Seattle to Colombo Bandaranaike Intl Airport is about 8420 mi.

  • What are the cheapest airlines flying from Seattle to Colombo Bandaranaike Intl Airport round-trip?

    Flying on Singapore Airlines is currently your cheapest option to Colombo Bandaranaike Intl Airport, with prices starting at $626. Additional round-trip tickets that might be worth considering are offered by China Eastern and Turkish Airlines, with the lowest prices starting at $832 and $938, respectively. Users have found that Singapore Airlines is 41% cheaper than the other options available to this destination.

  • 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, January is the cheapest month in which you can book a flight from Seattle to Colombo Bandaranaike Intl Airport (average of $732). Flying from Seattle to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,470). 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

Traveling to a place near Colombo Bandaranaike Intl Airport?

Book flights to Colombo Bandaranaike Intl Airport if you plan to visit one of these locations
Negombo

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Alternative routes for Seattle to Colombo

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Portland to Colombo flights

Top 6 airlines flying from Seattle to Colombo

Discover the top 6 airlines that operate flights from Seattle to Colombo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$626Average$986FlexibilityNo cancel feeOn-time81%
China EasternCheapest$832Average$961FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$938Average$1,108FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,028Average$1,358FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,123Average$1,353FlexibilityNo cancel feeOn-time72%
EmiratesCheapest$1,191Average$1,322FlexibilityNo cancel feeOn-time75%

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