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$561+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — SEA
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$1,320
(FlightHub)

One-way from

$561
(Trip.com)

Popular in

August

Cheapest in

June

Average price

$1,493
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. 11% potential increase in price ($196 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($69 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/10. 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.
jue. 12/184:15 amCMB - SEA
1 stop20h 55mQatar Airways
mié. 12/318:30 amSEA - CMB
2 stops28h 45mQatar Airways
Deal found 9/10$1,320
This oojo deal was found by Cheapflights users on 9/10. 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.
vie. 12/197:40 amCMB - SEA
1 stop22h 55mTurkish Airlines
mié. 12/317:00 pmSEA - CMB
1 stop21h 40mTurkish Airlines
Deal found 9/10$1,443
This FlightHub deal was found by Cheapflights users on 9/10. 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.
jue. 12/1812:45 amCMB - SEA
2 stops31h 25mCathay Pacific
mié. 12/317:55 pmSEA - CMB
2 stops38h 05mCathay Pacific
Deal found 9/10$1,549
This Air France deal was found by Cheapflights users on 9/10. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1910:45 pmCMB - SEA
2 stops26h 10mMultiple Airlines
mié. 12/313:05 pmSEA - CMB
2 stops32h 20mMultiple Airlines
Deal found 9/10$1,561

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 septiembre 11, 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

vie. 12/19

7:30 pm-11:40 am

1 stop29h 40m

Seattle/Tacoma Intl

mié. 12/31

8:30 am-1:55 am

2 stops27h 55m

$1,320

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

vie. 12/19

7:40 am-5:05 pm

1 stop22h 55m

Seattle/Tacoma Intl

mié. 12/31

7:00 pm-6:10 am

1 stop21h 40m

$1,443

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

vie. 12/19

10:45 pm-11:25 am

2 stops26h 10m

Seattle/Tacoma Intl

mié. 12/31

3:05 pm-12:55 pm

2 stops32h 20m

$1,561

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

lun. 10/6

4:00 pm-10:34 am

3 stops55h 04m

$561

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

jue. 11/13

11:00 pm-8:00 am

3 stops46h 30m

$587

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

lun. 10/6

8:20 pm-12:45 pm

1 stop28h 55m

$810

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

jue. 11/13

7:30 pm-11:40 am

1 stop29h 40m

$812

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

lun. 2/16

7:40 am-5:05 pm

1 stop22h 55m

$868

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

lun. 2/16

7:30 am-6:10 pm

2 stops24h 10m

$933

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 septiembre 11, 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.

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 septiembre 11, 2025.
Read reviews from past customers who have flown Singapore Airlines and Qatar Airways 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
1,365 reviews

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.7

Crew

8.6

Comfort

8.0

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
1,365 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.7

Crew

8.6

Comfort

8.0

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
Qatar Airways
7.4
Good
3,624 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.7

Crew

8.6

Comfort

8.0

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. 2 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.

  • 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 22h 55m. Qatar Airways provides one of the quickest options available for as low as $1,443. 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 are the cheapest airlines flying from Colombo Bandaranaike Intl Airport to Seattle round-trip?

    Flying on Qatar Airways is currently your cheapest option to Seattle, with prices starting at $992. Another option worth looking into is Singapore Airlines, starting at $1,001 round trip. You may be able to fly from Colombo Bandaranaike Intl Airport to Seattle for 33% less than the average price by searching for these airlines.

  • 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 June is currently the most expensive (average of $388). 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

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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 2 airlines flying from Colombo to Seattle

Discover the top 2 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$992Average$1,325FlexibilityNo cancel feeOn-time68%
Singapore AirlinesCheapest$1,001Average$1,377FlexibilityNo cancel feeOn-time81%

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