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$516+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — SEA
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,270
(Gurufare)

One-way from

$516
(Kiwi.com)

Popular in

August

Cheapest in

June

Average price

$1,356
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. 10% potential increase in price ($166 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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Average for round-trip flights in October 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 octubre 28, 2025.

This Gurufare deal was found by Cheapflights users on 10/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/107:30 amCMB - SEA
2 stops24h 10mMultiple Airlines
mié. 11/1212:10 amSEA - CMB
2 stops26h 05mMultiple Airlines
Deal found 10/27$1,270
This Qatar Airways deal was found by Cheapflights users on 10/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/93:25 amCMB - SEA
1 stop21h 45mQatar Airways
jue. 11/134:05 pmSEA - CMB
1 stop21h 10mQatar Airways
Deal found 10/27$1,343

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 octubre 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

dom. 11/9

3:25 am-11:40 am

1 stop21h 45m

Seattle/Tacoma Intl

jue. 11/13

4:05 pm-2:45 am

1 stop21h 10m

$1,343

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

mié. 3/18

8:00 am-6:05 pm

1 stop22h 35m

Seattle/Tacoma Intl

dom. 3/22

8:00 pm-1:20 pm

1 stop28h 50m

$1,413

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

lun. 11/10

5:05 pm-7:41 pm

2 stops40h 06m

Seattle/Tacoma Intl

jue. 11/13

11:10 pm-7:20 am

3 stops42h 40m

$1,441

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

mié. 3/18

8:55 pm-12:25 pm

2 stops28h 00m

Seattle/Tacoma Intl

dom. 3/22

3:10 pm-8:10 am

2 stops28h 30m

$1,511

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

mié. 3/18

8:15 pm-1:35 pm

2 stops29h 50m

Seattle/Tacoma Intl

dom. 3/22

5:05 pm-6:25 pm

2 stops36h 50m

$1,529

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

lun. 11/10

4:00 am-12:07 pm

3 stops45h 37m

$516

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

dom. 11/30

3:30 am-9:03 am

3 stops43h 03m

$571

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

sáb. 11/29

3:30 am-6:10 pm

2 stops52h 10m

$776

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

lun. 11/10

4:15 am-11:40 am

1 stop20h 55m

$812

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

dom. 11/30

7:30 pm-11:40 am

1 stop29h 40m

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 11 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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 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 octubre 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 9% on your trip compared to booking a flight in the afternoon.

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

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 octubre 28, 2025.
Read reviews from past customers who have flown Singapore Airlines from Colombo Bandaranaike Intl Airport to Seattle. 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
8.1
Very good
1,388 reviews

Overall

8.1

Food

7.7

Entertainment

8.0

Comfort

8.0

Crew

8.6

Boarding

8.3

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
8.1
Very good
1,388 reviews
Singapore Airlines
8.1
Very good
1,388 reviews

Overall

8.1

Food

7.7

Entertainment

8.0

Comfort

8.0

Crew

8.6

Boarding

8.3

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 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. 1 airline 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.

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

    A quick flight from Colombo Bandaranaike Intl Airport to Seattle can take about 21h 45m. Qatar Airways provides one of the quickest options available for as low as $1,343. The distance from Colombo Bandaranaike Intl Airport to Seattle is about 8420 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Colombo Bandaranaike Intl Airport to Seattle round-trip?

    Flying on Singapore Airlines is currently your cheapest option to Seattle, with prices starting at $1,001. You may be able to fly from Colombo Bandaranaike Intl Airport to Seattle for 32% less than the average price by searching for this airline.

  • 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.

See more FAQs

Traveling to a place near Seattle?

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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 airline flying from Colombo to Seattle

Discover the top airline 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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,001Average$1,377FlexibilityNo cancel feeOn-time81%

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