HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$677+ 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
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colombo to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,256
(Ovago)

One-way from

$677
(Kiwi.com)

Popular in

August

Cheapest in

October
Provider with most accurate pricing for Colombo Bandaranaike Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Colombo Bandaranaike Intl-Seattle/Tacoma Intl flights.
Search Deals
From Colombo Bandaranaike Intl to Seattle/Tacoma Intl
Search Deals
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 ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).
Search Deals

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 29, 2025.

This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/77:50 amCMB - SEA
2 stops23h 30mMultiple Airlines
Tue 10/1412:30 amSEA - CMB
2 stops26h 45mMultiple Airlines
Deal found 4/28$1,256
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.
Sat 6/76:45 amCMB - SEA
1 stop23h 00mTurkish Airlines
Wed 10/157:10 pmSEA - CMB
1 stop21h 35mTurkish Airlines
Deal found 4/28$1,292
This StudentUniverse 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1512:50 amCMB - SEA
1 stop44h 25mSingapore Airlines
Wed 10/157:00 amSEA - CMB
2 stops28h 05mSingapore Airlines
Deal found 4/28$1,335
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/123:35 amCMB - SEA
1 stop21h 40mQatar Airways
Fri 6/2010:52 amSEA - CMB
2 stops26h 43mQatar Airways
Deal found 4/28$1,414
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/32:55 amCMB - SEA
1 stop23h 00mEmirates
Fri 10/175:15 pmSEA - CMB
1 stop34h 50mEmirates
Deal found 4/28$1,446
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/79:55 pmCMB - SEA
2 stops26h 15mKLM
Wed 10/156:35 pmSEA - CMB
2 stops53h 50mKLM
Deal found 4/28$1,586
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/33:25 amCMB - SEA
2 stops28h 42mAir Canada
Mon 10/137:15 pmSEA - CMB
2 stops53h 00mAir Canada
Deal found 4/28$1,908

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 29, 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

Sat 6/7

7:50 am-6:50 pm

2 stops23h 30m

Seattle/Tacoma Intl

Tue 10/14

12:30 am-3:45 pm

2 stops26h 45m

$1,256

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sat 6/7

6:45 am-5:15 pm

1 stop23h 00m

Seattle/Tacoma Intl

Wed 10/15

7:10 pm-5:15 am

1 stop21h 35m

$1,292

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Tue 7/15

12:50 am-8:45 am

1 stop44h 25m

Seattle/Tacoma Intl

Wed 10/15

7:00 am-11:35 pm

2 stops28h 05m

$1,335

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 6/12

3:35 am-12:45 pm

1 stop21h 40m

Seattle/Tacoma Intl

Fri 6/20

10:52 am-2:05 am

2 stops26h 43m

$1,414

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Tue 6/3

2:55 am-1:25 pm

1 stop23h 00m

Seattle/Tacoma Intl

Fri 10/17

5:15 pm-4:35 pm

1 stop34h 50m

$1,446

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sat 6/7

9:55 pm-11:40 am

2 stops26h 15m

Seattle/Tacoma Intl

Wed 10/15

6:35 pm-12:55 pm

2 stops53h 50m

$1,586

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Tue 6/3

3:25 am-7:37 pm

2 stops28h 42m

Seattle/Tacoma Intl

Mon 10/13

7:15 pm-12:45 pm

2 stops53h 00m

$1,908

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sat 5/24

10:55 pm-11:46 am

3 stops49h 21m

$677

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 7/17

6:45 am-5:15 pm

1 stop23h 00m

$831

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 5/23

3:35 am-12:45 pm

1 stop21h 40m

$995

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 12 results
1
2

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*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice 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 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 29, 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 29, 2025.
Singapore Airlines
8.1
Very good
1,292 reviews

Overall

8.1

Crew

8.6

Food

7.7

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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

Overall

8.1

Crew

8.6

Food

7.7

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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
3,215 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Overall

8.1

Crew

8.6

Food

7.7

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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.
KLM
7.8
Good
1,333 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Overall

8.1

Crew

8.6

Food

7.7

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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

Overall

8.1

Crew

8.6

Food

7.7

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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

Overall

8.1

Crew

8.6

Food

7.7

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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 Turkish Airlines is currently your cheapest option to Seattle, with prices starting at $1,292. Additional round-trip tickets that might be worth considering are offered by Singapore Airlines and Qatar Airways, with the lowest prices starting at $1,335 and $1,414, respectively. You may be able to fly from Colombo Bandaranaike Intl Airport to Seattle for 9% 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 ($831), Qatar Airways ($995), 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 $405). 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
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Lynnwood
Aberdeen
Shelton
Silverdale
Redmond
Issaquah

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$970Average$1,373FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,009Average$1,317FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,120Average$1,449FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,395Average$1,490FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.