HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$681+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,191
(Expedia)

One-way from

$681
(Kiwi.com)

Popular in

August

Cheapest in

December

Average price

$1,318
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. 6% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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 June 12, 2025.

This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/207:50 amCMB - SEA
2 stops24h 30mMultiple Airlines
Sat 8/21:10 amSEA - CMB
2 stops26h 55mMultiple Airlines
Deal found 6/10$1,191
This oojo deal was found by Cheapflights users on 6/10. 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.
Sun 7/206:45 amCMB - SEA
1 stop23h 00mTurkish Airlines
Sun 8/37:10 pmSEA - CMB
1 stop21h 35mTurkish Airlines
Deal found 6/10$1,455
This Qatar Airways deal was found by Cheapflights users on 6/10. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/193:35 amCMB - SEA
1 stop21h 40mQatar Airways
Sun 8/34:30 pmSEA - CMB
1 stop22h 05mQatar Airways
Deal found 6/10$1,780
This Air Canada deal was found by Cheapflights users on 6/10. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/71:05 pmCMB - SEA
2 stops44h 06mAir Canada
Sun 8/107:20 amSEA - CMB
2 stops40h 55mAir Canada
Deal found 6/10$4,242
This Singapore Airlines deal was found by Cheapflights users on 6/10. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/612:50 amCMB - SEA
1 stop20h 25mSingapore Airlines
Sun 8/107:05 amSEA - CMB
2 stops28h 00mSingapore Airlines
Deal found 6/10$6,112
This Emirates deal was found by Cheapflights users on 6/10. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/62:05 amCMB - SEA
1 stop23h 50mEmirates
Sun 8/105:15 pmSEA - CMB
1 stop26h 25mEmirates
Deal found 6/10$6,330

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 June 12, 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

Sun 7/20

7:50 am-7:50 pm

2 stops24h 30m

Seattle/Tacoma Intl

Sat 8/2

1:10 am-4:35 pm

2 stops26h 55m

$1,191

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sun 7/20

6:45 am-5:15 pm

1 stop23h 00m

Seattle/Tacoma Intl

Sun 8/3

7:10 pm-5:15 am

1 stop21h 35m

$1,455

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sat 7/19

3:35 am-12:45 pm

1 stop21h 40m

Seattle/Tacoma Intl

Sun 8/3

4:30 pm-3:05 am

1 stop22h 05m

$1,780

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 8/7

1:05 pm-8:41 pm

2 stops44h 06m

Seattle/Tacoma Intl

Sun 8/10

7:20 am-12:45 pm

2 stops40h 55m

$4,242

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Wed 8/6

12:50 am-8:45 am

1 stop20h 25m

Seattle/Tacoma Intl

Sun 8/10

7:05 am-11:35 pm

2 stops28h 00m

$6,112

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Wed 8/6

2:05 am-1:25 pm

1 stop23h 50m

Seattle/Tacoma Intl

Sun 8/10

5:15 pm-8:10 am

1 stop26h 25m

$6,330

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sat 8/23

10:55 pm-8:07 am

3 stops45h 42m

$681

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 7/17

6:45 am-5:15 pm

1 stop23h 00m

$820

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 8/22

12:55 am-7:50 pm

2 stops31h 25m

$928

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Wed 7/16

12:50 am-8:45 am

1 stop20h 25m

$1,226

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
1
2

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 June 12, 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 June 12, 2025.
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.1
Very good
3,264 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Singapore Airlines
8.1
Very good
1,302 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Thai Airways
7.7
Good
335 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Qatar Airways
7.4
Good
3,584 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Turkish Airlines
7.3
Good
3,848 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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 $1,455. Additional round-trip tickets that might be worth considering are offered by Qatar Airways and Air Canada, with the lowest prices starting at $1,780 and $4,242, 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 ($820), Thai Airways ($928), and Singapore Airlines ($1,226).

  • 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 $391). 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
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,001Average$1,377FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,009Average$1,314FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,120Average$1,449FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,487Average$1,493FlexibilityNo 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.