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$584+ Cheap flights from Bandaranaike Intl (CMB) to Seattle (SEA)

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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Colombo to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Colombo (CMB) to Seattle (SEA). 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

$3,643
(Expedia)

One-way from

$584
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$1,351
Provider with most accurate pricing for Colombo Bandaranaike Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Colombo Bandaranaike Intl-Seattle/Tacoma Intl flights.
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From Colombo Bandaranaike Intl to Seattle/Tacoma Intl
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One-way flight from Colombo Bandaranaike Intl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($49 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 Colombo to Seattle

Cheapest flights from Colombo to Seattle
Explore the most affordable flight options available from Colombo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/161:05 pmCMB - SEA
2 stops43h 02mMultiple Airlines
Tue 11/1811:35 amSEA - CMB
2 stops28h 25mMultiple Airlines
Deal found 3/26$3,643
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.
Fri 4/46:45 amCMB - SEA
1 stop23h 00mTurkish Airlines
Sat 4/197:10 pmSEA - CMB
1 stop21h 35mTurkish Airlines
Deal found 3/27$4,096
This Justfly.com deal was found by Cheapflights users on 3/26. 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.
Thu 5/153:25 amCMB - SEA
3 stops71h 18mAir Canada
Tue 11/1810:35 amSEA - CMB
2 stops36h 25mAir Canada
Deal found 3/26$4,901
This oojo deal was found by Cheapflights users on 3/26. 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 5/1512:50 amCMB - SEA
1 stop44h 25mSingapore Airlines
Tue 11/188:45 amSEA - CMB
1 stop25h 15mSingapore Airlines
Deal found 3/26$5,928
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.
Thu 4/32:05 amCMB - SEA
1 stop23h 50mEmirates
Sat 4/195:15 pmSEA - CMB
1 stop26h 25mEmirates
Deal found 3/27$6,235
This oojo deal was found by Cheapflights users on 3/26. 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 5/153:35 amCMB - SEA
1 stop21h 40mQatar Airways
Mon 11/171:24 amSEA - CMB
2 stops35h 51mQatar Airways
Deal found 3/26$7,405

Cheapflights Fare Finder

Customize your flight search to find flights from Colombo to Seattle 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 Colombo Bandaranaike Intl Airport to Seattle that are best for you.

Fly from

Colombo

Fly to

Seattle

Route

Depart

Return

Price

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 5/16

1:05 pm-7:37 pm

2 stops43h 02m

Seattle/Tacoma Intl

Tue 11/18

11:35 am-5:30 am

2 stops28h 25m

$3,643

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 5/15

3:25 am-2:13 pm

3 stops71h 18m

Seattle/Tacoma Intl

Tue 11/18

10:35 am-12:30 pm

2 stops36h 25m

$4,901

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 5/15

12:50 am-8:45 am

1 stop44h 25m

Seattle/Tacoma Intl

Tue 11/18

8:45 am-11:30 pm

1 stop25h 15m

$5,928

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 5/15

3:35 am-12:45 pm

1 stop21h 40m

Seattle/Tacoma Intl

Mon 11/17

1:24 am-2:45 am

2 stops35h 51m

$7,405

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sun 5/18

10:40 am-9:09 am

3 stops58h 59m

$584

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sun 5/18

6:45 am-5:15 pm

1 stop23h 00m

$837

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sat 5/17

2:55 am-1:25 pm

1 stop23h 00m

$970

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 5/23

12:50 am-11:59 pm

3 stops35h 39m

$1,691

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sat 5/17

3:35 am-12:45 pm

1 stop21h 40m

$3,907

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Compare providers for flights from Colombo to Seattle

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 Colombo to Seattle in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 Colombo Bandaranaike Intl Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Colombo Bandaranaike Intl Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Colombo Bandaranaike Intl Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Colombo Bandaranaike Intl Airport-Seattle 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 Colombo Bandaranaike Intl Airport-Seattle 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 Colombo to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Colombo 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 Colombo Bandaranaike Intl Airport to Seattle

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

Find hourly flight availability from Colombo to Seattle. 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 Colombo Bandaranaike Intl Airport to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight in the morning.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated March 28, 2025.
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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.
Air Canada
7.0
Good
8,981 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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 Colombo to Seattle. 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 into for flights to Seattle from Colombo Bandaranaike Intl?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Colombo Bandaranaike Intl to Seattle. 4 airlines have flights to Seattle/Tacoma Intl from Colombo Bandaranaike Intl on a regular basis. Booking flights from Colombo Bandaranaike Intl to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from Colombo Bandaranaike Intl per day.

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

    Flying on Air Canada is currently your cheapest option to Seattle, with prices starting at $4,901. Additional round-trip tickets that might be worth considering are offered by Singapore Airlines and Qatar Airways, with the lowest prices starting at $5,928 and $7,405, respectively.

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

    The cheapest airlines for a one-way flight from Colombo Bandaranaike Intl Airport to Seattle are Turkish Airlines ($837), Emirates ($970), and Singapore Airlines ($1,691).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colombo to Seattle 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 Colombo Bandaranaike Intl Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Seattle (average of $238). Flying from Colombo Bandaranaike Intl Airport to Seattle in July is currently the most expensive (average of $411). 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
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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Alternative routes for Colombo to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Colombo to Portland flights

Top 4 airlines flying from Colombo to Seattle

Discover the top 4 airlines that operate flights from Colombo to Seattle. 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$970Average$1,313FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,009Average$1,362FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,120Average$1,449FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,395Average$1,490FlexibilityNo cancel feeOn-time75%
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