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Colombo

$776+ Cheap flights from Seattle (SEA) to Bandaranaike Intl (CMB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Colombo Bandaranaike Intl are usually found in October or September, booked 80 days in advance, depart on a Sunday or Wednesday and return on a Wednesday

Cheap 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$776
(Justfly.com)

Popular in

June

Cheapest in

October

Average price

$1,201
Provider with most accurate pricing for Seattle/Tacoma Intl-Colombo Bandaranaike Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Colombo Bandaranaike Intl flights.
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From Seattle/Tacoma Intl to Colombo Bandaranaike Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 28, 2025.

This FlightHub deal was found by Cheapflights users on 3/27. 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.
Sun 9/2110:15 amSEA - CMB
1 stop24h 50mSingapore Airlines
Fri 10/312:50 amCMB - SEA
1 stop20h 25mSingapore Airlines
Deal found 3/27$808
This FlightHub deal was found by Cheapflights users on 3/27. 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 9/107:10 pmSEA - CMB
1 stop21h 35mTurkish Airlines
Thu 9/256:45 amCMB - SEA
1 stop23h 00mTurkish Airlines
Deal found 3/27$992
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1511:30 amSEA - CMB
2 stops32h 35mAir Canada
Tue 5/203:25 amCMB - SEA
2 stops28h 42mAir Canada
Deal found 3/27$1,064
This Singapore Airlines deal was found by Cheapflights users on 3/27. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2410:15 amSEA - CMB
1 stop34h 50mMultiple Airlines
Tue 9/3012:50 amCMB - SEA
3 stops30h 13mMultiple Airlines
Deal found 3/27$1,096
This SmartFares deal was found by Cheapflights users on 3/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/114:30 pmSEA - CMB
1 stop21h 05mQatar Airways
Sun 5/1810:30 amCMB - SEA
1 stop38h 45mQatar Airways
Deal found 3/27$1,097
This Emirates deal was found by Cheapflights users on 3/27. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:15 pmSEA - CMB
2 stops27h 45mEmirates
Fri 5/2310:05 amCMB - SEA
1 stop39h 50mEmirates
Deal found 3/27$1,182
This oojo deal was found by Cheapflights users on 3/27. 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.
Sun 7/207:05 amSEA - CMB
2 stops27h 55mCathay Pacific
Mon 8/412:50 amCMB - SEA
2 stops28h 34mCathay Pacific
Deal found 3/27$1,799

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 March 28, 2025.
Use the filters below to find and compare flights from Seattle to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Seattle

Fly to

Colombo

Route

Depart

Return

Price

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 9/21

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Fri 10/3

12:50 am-8:45 am

1 stop20h 25m

$808

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/10

7:10 pm-5:15 am

1 stop21h 35m

Colombo Bandaranaike Intl

Thu 9/25

6:45 am-5:15 pm

1 stop23h 00m

$992

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 5/15

11:30 am-8:35 am

2 stops32h 35m

Colombo Bandaranaike Intl

Tue 5/20

3:25 am-7:37 pm

2 stops28h 42m

$1,064

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 8/24

10:15 am-9:35 am

1 stop34h 50m

Colombo Bandaranaike Intl

Tue 9/30

12:50 am-6:33 pm

3 stops30h 13m

$1,096

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 5/11

4:30 pm-2:05 am

1 stop21h 05m

Colombo Bandaranaike Intl

Sun 5/25

10:30 am-12:45 pm

1 stop38h 45m

$1,097

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 5/12

5:15 pm-9:30 am

2 stops27h 45m

Colombo Bandaranaike Intl

Fri 5/23

10:05 am-1:25 pm

1 stop39h 50m

$1,182

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 7/20

7:05 am-11:30 pm

2 stops27h 55m

Colombo Bandaranaike Intl

Mon 8/4

12:50 am-4:54 pm

2 stops28h 34m

$1,799

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 5/2

4:30 pm-6:15 am

3 stops49h 15m

$2,334

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 5/2

7:10 pm-5:15 am

1 stop21h 35m

$2,599

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Colombo. Price data was last updated on March 21, 2025.

The best time to book flights from Seattle to Colombo Bandaranaike Intl Airport is 80 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, September is the cheapest month in which you can book a flight from Seattle to Colombo Bandaranaike Intl Airport (average of $1,049). Flying from Seattle to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,850). 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.

What is the cheapest time of day to fly from SEA to CMB?

Find hourly flight availability from Seattle to Colombo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Colombo Bandaranaike Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the afternoon.

Rainfall in Colombo by month

Plan your trip to Colombo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colombo Bandaranaike Intl Airport ranges from 2.4 - 13.8 inches per month. October is typically the wettest month, when rainfall can reach 13.8 in. February is typically the driest time to visit Colombo Bandaranaike Intl Airport when rainfall is around 2.4 in.

Temperature in Colombo by month

Plan your trip to Colombo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colombo Bandaranaike Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

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 March 28, 2025.
Read through reviews of airlines operating flights from Seattle to Colombo, such as Singapore Airlines, Emirates and Cathay Pacific. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.7

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very good
1,285 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.7

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Emirates
8.0
Very good
3,190 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.7

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.5
Good
837 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.7

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qatar Airways
7.4
Good
3,538 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.7

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Turkish Airlines
7.3
Good
3,744 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Comfort

7.9

Overall

8.1

Boarding

8.2

Food

7.7

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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 5 different airlines.

  • 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 $776. Additional round-trip tickets that might be worth considering are offered by Turkish Airlines and Air Canada, with the lowest prices starting at $992 and $1,064, respectively. Users have found that Singapore Airlines is 36% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Colombo Bandaranaike Intl Airport one-way?

    The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $2,511. However, be on the lookout for offers from Singapore Airlines and Emirates, as they are both options that can get you from Seattle to Colombo Bandaranaike Intl Airport for a low price.

  • 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, September is the cheapest month in which you can book a flight from Seattle to Colombo Bandaranaike Intl Airport (average of $1,049). Flying from Seattle to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,850). 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.

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Portland to Colombo flights

Top 5 airlines flying from Seattle to Colombo

Discover the top 5 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$785Average$1,162FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$927Average$1,100FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$998Average$1,356FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,106Average$1,236FlexibilityNo cancel feeOn-time71%
EmiratesCheapest$1,129Average$1,350FlexibilityNo cancel feeOn-time75%
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