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$626+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — SEA
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,260
(StudentUniverse)

One-way from

$626
(Kiwi.com)

Popular in

August

Cheapest in

October
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
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Highest demand for flights based on searches. 7% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).
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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 April 17, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/16. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2712:50 amCMB - SEA
2 stops44h 36mSingapore Airlines
Sat 7/2610:15 amSEA - CMB
1 stop24h 50mSingapore Airlines
Deal found 4/16$1,260
This Expedia deal was found by Cheapflights users on 4/16. 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.
Tue 7/18:20 amCMB - SEA
2 stops39h 47mMultiple Airlines
Sun 8/3110:15 amSEA - CMB
1 stop24h 50mMultiple Airlines
Deal found 4/16$1,318
This Emirates deal was found by Cheapflights users on 4/16. 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.
Wed 5/289:10 amCMB - SEA
1 stop40h 45mEmirates
Sat 7/265:15 pmSEA - CMB
1 stop40h 25mEmirates
Deal found 4/16$1,513
This Turkish Airlines deal was found by Cheapflights users on 4/17. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/166:45 amCMB - SEA
1 stop23h 00mTurkish Airlines
Sun 11/237:00 pmSEA - CMB
1 stop28h 45mTurkish Airlines
Deal found 4/17$4,352
This Justfly.com deal was found by Cheapflights users on 4/17. 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 stops51h 38mAir Canada
Thu 11/203:05 pmSEA - CMB
2 stops27h 50mAir Canada
Deal found 4/17$4,935
This FlightHub deal was found by Cheapflights users on 4/17. 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.
Thu 5/153:35 amCMB - SEA
1 stop21h 40mQatar Airways
Sat 11/223:40 pmSEA - CMB
1 stop20h 45mQatar Airways
Deal found 4/17$6,164
This AranGrant deal was found by Cheapflights users on 4/17. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/153:35 amCMB - SEA
2 stops27h 15mBritish Airways
Thu 11/206:50 pmSEA - CMB
2 stops24h 55mBritish Airways
Deal found 4/17$10,063

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 April 17, 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

Tue 5/27

12:50 am-8:56 am

2 stops44h 36m

Seattle/Tacoma Intl

Sat 7/26

10:15 am-11:35 pm

1 stop24h 50m

$1,260

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Tue 7/1

8:20 am-11:37 am

2 stops39h 47m

Seattle/Tacoma Intl

Sun 8/31

10:15 am-11:35 pm

1 stop24h 50m

$1,318

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Wed 5/28

9:10 am-1:25 pm

1 stop40h 45m

Seattle/Tacoma Intl

Sat 7/26

5:15 pm-10:10 pm

1 stop40h 25m

$1,513

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 5/16

6:45 am-5:15 pm

1 stop23h 00m

Seattle/Tacoma Intl

Sun 11/23

7:00 pm-1:15 pm

1 stop28h 45m

$4,352

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 5/15

3:25 am-6:33 pm

3 stops51h 38m

Seattle/Tacoma Intl

Thu 11/20

3:05 pm-8:25 am

2 stops27h 50m

$4,935

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 5/15

3:35 am-12:45 pm

1 stop21h 40m

Seattle/Tacoma Intl

Sat 11/22

3:40 pm-1:55 am

1 stop20h 45m

$6,164

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 5/15

3:35 am-6:20 pm

2 stops27h 15m

Seattle/Tacoma Intl

Thu 11/20

6:50 pm-9:15 am

2 stops24h 55m

$10,063

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sat 5/24

10:15 pm-10:00 pm

3 stops36h 15m

$626

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 7/17

6:45 am-5:15 pm

1 stop23h 00m

$835

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 5/23

3:35 am-12:45 pm

1 stop21h 40m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 12 results
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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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 Colombo Bandaranaike Intl Airport-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Colombo Bandaranaike Intl Airport-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 April 17, 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 April 17, 2025.
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,288 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Emirates
8.0
Very good
3,200 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qatar Airways
7.4
Good
3,554 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Turkish Airlines
7.3
Good
3,769 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Air Canada
7.0
Good
9,142 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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 Singapore Airlines is currently your cheapest option to Seattle, with prices starting at $1,260. Additional round-trip tickets that might be worth considering are offered by Emirates and Turkish Airlines, with the lowest prices starting at $1,513 and $4,352, respectively. You may be able to fly from Colombo Bandaranaike Intl Airport to Seattle for 11% less than the average price by searching for these airlines.

  • 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 ($835), Qatar Airways ($921), and Emirates ($1,036).

  • 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
Renton
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Aberdeen
Kent
Lynnwood
Shelton
Silverdale
Redmond
Issaquah

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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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$970Average$1,373FlexibilityNo 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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