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Colombo

$477+ Cheap flights from Seattle (SEA) to Bandaranaike Intl (CMB)

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Colombo Bandaranaike Intl are usually found in February or October, booked 71 days in advance, depart on a Sunday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to Colombo

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Colombo (CMB). 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 July 25, 2025.

Round-trip from

$757
(FlightHub)

One-way from

$477
(Gurufare)

Popular in

June

Cheapest in

February

Average price

$1,312
From Seattle/Tacoma Intl to Colombo Bandaranaike Intl
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One-way flight from Seattle/Tacoma Intl to Colombo Bandaranaike Intl
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Highest demand for flights based on searches. 11% potential increase in price ($157 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Seattle to Colombo

Cheapest flights from Seattle to Colombo
Explore the most affordable flight options available from Seattle to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2025.

This FlightHub deal was found by Cheapflights users on 7/23. 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.
Tue 11/48:45 amSEA - CMB
1 stop25h 15mSingapore Airlines
Fri 11/2112:45 amCMB - SEA
1 stop19h 55mSingapore Airlines
Deal found 7/23$736
This FlightHub deal was found by Cheapflights users on 7/24. 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.
Tue 9/97:10 pmSEA - CMB
1 stop21h 35mTurkish Airlines
Fri 9/266:45 amCMB - SEA
1 stop40h 20mTurkish Airlines
Deal found 7/24$903
This FlightHub deal was found by Cheapflights users on 7/24. 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.
Tue 9/97:10 amSEA - CMB
2 stops47h 20mChina Eastern
Fri 9/268:30 pmCMB - SEA
2 stops32h 06mChina Eastern
Deal found 7/24$960
This Trip.com deal was found by Cheapflights users on 7/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/314:30 pmSEA - CMB
2 stops41h 15mMultiple Airlines
Wed 8/2711:15 pmCMB - SEA
2 stops51h 40mMultiple Airlines
Deal found 7/23$1,067
This oojo deal was found by Cheapflights users on 7/23. 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 8/244:30 pmSEA - CMB
1 stop28h 00mQatar Airways
Tue 9/303:35 amCMB - SEA
1 stop21h 40mQatar Airways
Deal found 7/23$1,069

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Colombo 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 July 25, 2025.
Use the filters below to find and compare flights from Seattle to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Seattle

Fly to

Colombo

Route

Depart

Return

Price

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 11/4

8:45 am-11:30 pm

1 stop25h 15m

Colombo Bandaranaike Intl

Fri 11/21

12:45 am-7:10 am

1 stop19h 55m

$736

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 9/9

7:10 pm-5:15 am

1 stop21h 35m

Colombo Bandaranaike Intl

Fri 9/26

6:45 am-10:35 am

1 stop40h 20m

$903

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 9/9

7:10 am-7:00 pm

2 stops47h 20m

Colombo Bandaranaike Intl

Fri 9/26

8:30 pm-4:06 pm

2 stops32h 06m

$960

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/10

4:30 pm-9:40 am

1 stop28h 40m

Colombo Bandaranaike Intl

Wed 9/24

3:35 am-12:45 pm

1 stop21h 40m

$1,067

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 9/9

1:30 am-3:45 pm

2 stops25h 45m

Colombo Bandaranaike Intl

Thu 9/25

7:50 am-6:50 pm

2 stops23h 30m

$1,109

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 11/13

12:10 am-10:00 pm

2 stops56h 20m

$514

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 9/19

7:15 am-7:00 pm

2 stops47h 15m

$533

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 9/19

7:10 pm-5:15 am

1 stop21h 35m

$587

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 11/14

8:45 am-11:30 pm

1 stop25h 15m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Best time to book a flight from Seattle to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Seattle 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 Seattle to Colombo Bandaranaike Intl Airport

How far ahead should I book a flight from Seattle to Colombo Bandaranaike Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Colombo. Price data was last updated on July 18, 2025.

The best time to book flights from Seattle to Colombo Bandaranaike Intl Airport is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Colombo Bandaranaike Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Seattle to Colombo Bandaranaike Intl Airport (average of $1,049). Flying from Seattle to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,788). 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.

What is the cheapest time of day to fly from SEA to CMB?

Find hourly flight availability from Seattle to Colombo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Colombo Bandaranaike Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Colombo

Get insights into the airlines that provide service to Colombo. 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 Colombo. Reviews last updated July 25, 2025.
Read reviews from past customers who have flown Singapore Airlines, Qatar Airways, and Turkish Airlines from Seattle to Colombo Bandaranaike Intl Airport. 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
1,331 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Food

7.7

Overall

8.1

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
1,331 reviews
Singapore Airlines
8.1
Very good
1,331 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Food

7.7

Overall

8.1

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
3,611 reviews
Singapore Airlines
8.1
Very good
1,331 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Food

7.7

Overall

8.1

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
Turkish Airlines
7.3
Good
3,916 reviews
Singapore Airlines
8.1
Very good
1,331 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Food

7.7

Overall

8.1

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
China Eastern
7.2
Good
154 reviews
Singapore Airlines
8.1
Very good
1,331 reviews

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Food

7.7

Overall

8.1

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 Seattle to Colombo. 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 from for flights from Seattle to Colombo Bandaranaike Intl?

    If you book a flight to Colombo Bandaranaike Intl from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Seattle/Tacoma Intl to Colombo Bandaranaike Intl per day from 4 different airlines.

  • What are the cheapest airlines flying from Seattle to Colombo Bandaranaike Intl Airport round-trip?

    Flying on Singapore Airlines is currently your cheapest option to Colombo Bandaranaike Intl Airport, with prices starting at $757. Additional round-trip tickets that might be worth considering are offered by Turkish Airlines and China Eastern, with the lowest prices starting at $903 and $960, respectively. Users have found that Singapore Airlines is 37% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Colombo Bandaranaike Intl Airport one-way?

    The cheapest airline one-way is China Eastern, with whom users have recently found tickets for as low as $477. However, be on the lookout for offers from Turkish Airlines and Singapore Airlines, as they are both options that can get you from Seattle to Colombo Bandaranaike Intl Airport for a low price.

  • Can I find deals for flights from Seattle to Colombo that include hotel bookings?

    Yes. In addition to deals on Seattle to Colombo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Colombo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Colombo.

  • Can I find deals for business class flights from Seattle to Colombo?

    Yes. Cheapflights offers flight deals from Seattle to Colombo 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 Seattle to Colombo Bandaranaike Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Colombo Bandaranaike Intl Airport (average of $1,049). Flying from Seattle to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,788). 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
Negombo

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Alternative routes for Seattle to Colombo

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Portland to Colombo flights

Top 4 airlines flying from Seattle to Colombo

Discover the top 4 airlines that operate flights from Seattle to Colombo. 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 July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$775Average$1,160FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$927Average$1,100FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,104Average$1,394FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,145Average$1,352FlexibilityNo cancel feeOn-time75%

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