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Colombo

$567+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$993
(FlightHub)

One-way from

$567
(FlightHub)

Popular in

June

Cheapest in

October

Average price

$1,200
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
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One-way flight from Seattle/Tacoma Intl to Colombo Bandaranaike Intl
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Highest demand for flights based on searches. 9% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This FlightHub deal was found by Cheapflights users on 4/28. 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 11/48:45 amSEA - CMB
1 stop25h 15mSingapore Airlines
Mon 11/1012:45 amCMB - SEA
1 stop19h 55mSingapore Airlines
Deal found 4/28$691
This FlightHub deal was found by Cheapflights users on 4/29. 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 5/67:10 pmSEA - CMB
1 stop21h 35mTurkish Airlines
Tue 5/136:45 amCMB - SEA
1 stop23h 00mTurkish Airlines
Deal found 4/29$981
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Wed 9/1012:10 pmSEA - CMB
2 stops31h 55mAir Canada
Thu 9/251:05 pmCMB - SEA
2 stops45h 41mAir Canada
Deal found 4/29$1,078
This FlightHub deal was found by Cheapflights users on 4/28. 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 5/42:15 pmSEA - CMB
2 stops44h 25mMultiple Airlines
Mon 5/261:05 pmCMB - SEA
2 stops43h 02mMultiple Airlines
Deal found 4/28$1,097
This Indian Eagle deal was found by Cheapflights users on 4/28. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:05 pmSEA - CMB
2 stops36h 50mEmirates
Tue 11/118:15 pmCMB - SEA
2 stops29h 50mEmirates
Deal found 4/28$1,132
This oojo deal was found by Cheapflights users on 4/29. 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 9/104:30 pmSEA - CMB
1 stop28h 00mQatar Airways
Wed 9/243:35 amCMB - SEA
1 stop21h 40mQatar Airways
Deal found 4/29$1,137
This oojo deal was found by Cheapflights users on 4/29. 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 9/108:08 pmSEA - CMB
2 stops38h 52mCathay Pacific
Wed 9/2412:50 amCMB - SEA
2 stops30h 05mCathay Pacific
Deal found 4/29$1,218
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:59 pmSEA - CMB
2 stops31h 06mEtihad Airways
Wed 12/104:10 amCMB - SEA
2 stops32h 09mEtihad Airways
Deal found 4/28$1,337

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 April 29, 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 8/24

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Sat 9/20

12:50 am-8:45 am

1 stop20h 25m

$762

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/10

7:10 pm-12:45 pm

1 stop29h 05m

Colombo Bandaranaike Intl

Thu 9/25

6:45 am-5:15 pm

1 stop23h 00m

$993

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/10

12:10 pm-8:35 am

2 stops31h 55m

Colombo Bandaranaike Intl

Thu 9/25

1:05 pm-10:16 pm

2 stops45h 41m

$1,078

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 9/9

12:30 am-3:45 pm

2 stops26h 45m

Colombo Bandaranaike Intl

Thu 9/25

7:50 am-6:50 pm

2 stops23h 30m

$1,105

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/10

4:30 pm-9:00 am

1 stop28h 00m

Colombo Bandaranaike Intl

Wed 9/24

3:35 am-12:45 pm

1 stop21h 40m

$1,137

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 8/24

5:15 pm-6:30 pm

2 stops36h 45m

Colombo Bandaranaike Intl

Wed 10/1

8:35 pm-1:25 pm

2 stops29h 20m

$1,182

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/10

8:08 pm-11:30 pm

2 stops38h 52m

Colombo Bandaranaike Intl

Wed 9/24

12:50 am-6:25 pm

2 stops30h 05m

$1,218

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 5/8

7:10 pm-5:15 am

1 stop21h 35m

$567

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 5/8

4:30 pm-4:05 am

3 stops47h 05m

$607

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 5/13

5:15 pm-6:30 pm

2 stops36h 45m

$947

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Colombo Bandaranaike Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 25, 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 April 29, 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 April 29, 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
1,292 reviews

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

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
1,292 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

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
3,213 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

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
852 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

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
3,563 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

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
3,788 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

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 Turkish Airlines is currently your cheapest option to Colombo Bandaranaike Intl Airport, with prices starting at $993. Additional round-trip tickets that might be worth considering are offered by Air Canada and Emirates, with the lowest prices starting at $1,078 and $1,182, respectively. Users have found that Turkish Airlines is 18% 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, 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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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$785Average$1,232FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$927Average$1,108FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,081Average$1,335FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,106Average$1,236FlexibilityNo cancel feeOn-time71%
EmiratesCheapest$1,145Average$1,353FlexibilityNo cancel feeOn-time75%

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