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Colombo

$555+ Cheap flights from Washington 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Washington to Colombo

Cheapest flights from Washington to Colombo
Explore the most affordable flight options available from Washington to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/28. 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.
Sun 9/610:15 am
SEA
-
CMB
1 stop24h 50m
Singapore Airlines
Wed 9/2311:45 am
CMB
-
SEA
1 stop33h 30m
Singapore Airlines
Deal found 1/28$623
This Justfly.com deal was found by Cheapflights users on 1/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:15 am
SEA
-
CMB
1 stop24h 50m
Singapore Airlines
Wed 4/2912:50 am
CMB
-
SEA
1 stop20h 25m
Singapore Airlines
Deal found 1/28$659
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:45 am
SEA
-
CMB
1 stop25h 15m
Singapore Airlines
Mon 11/911:45 am
CMB
-
SEA
1 stop32h 55m
Singapore Airlines
Deal found 1/27$740
This Trip.com deal was found by Cheapflights users on 1/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:15 am
SEA
-
CMB
2 stops30h 55m
Multiple Airlines
Wed 9/235:15 pm
CMB
-
SEA
2 stops28h 00m
Multiple Airlines
Deal found 1/28$834
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:15 am
SEA
-
CMB
1 stop24h 50m
Singapore Airlines
Sat 7/2512:50 am
CMB
-
SEA
1 stop20h 25m
Singapore Airlines
Deal found 1/27$864
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:55 pm
SEA
-
CMB
2 stops28h 20m
Multiple Airlines
Mon 11/911:45 am
CMB
-
SEA
1 stop32h 55m
Multiple Airlines
Deal found 1/27$911
This BusinessClass deal was found by Cheapflights users on 1/28. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 am
SEA
-
CMB
2 stops47h 30m
China Eastern
Thu 4/308:30 pm
CMB
-
SEA
2 stops34h 26m
China Eastern
Deal found 1/28$914
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:58 pm
SEA
-
CMB
2 stops27h 17m
Multiple Airlines
Sat 7/2512:50 am
CMB
-
SEA
1 stop20h 25m
Multiple Airlines
Deal found 1/27$947
This FlightHub deal was found by Cheapflights users on 1/28. 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 9/510:15 am
SEA
-
CMB
1 stop24h 50m
Singapore Airlines
Mon 9/2112:50 am
CMB
-
SEA
1 stop20h 25m
Singapore Airlines
Deal found 1/28$951
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:15 am
SEA
-
CMB
1 stop24h 50m
Singapore Airlines
Mon 4/2712:50 am
CMB
-
SEA
1 stop20h 25m
Singapore Airlines
Deal found 1/28$954
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Wed 4/157:35 am
SEA
-
CMB
2 stops46h 55m
China Eastern
Wed 4/298:30 pm
CMB
-
SEA
2 stops34h 26m
China Eastern
Deal found 1/28$963
This Ovago deal was found by Cheapflights users on 1/28. 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.
Wed 3/188:46 pm
PDX
-
CMB
2 stops57h 44m
Multiple Airlines
Tue 3/318:30 pm
CMB
-
PDX
2 stops32h 43m
Multiple Airlines
Deal found 1/28$1,009

Find flight deals from Washington to Colombo

Keep the following information in mind while searching for Washington to Colombo flight deals. Data was last updated January 29, 2026.

Round-trip from

$659
(Justfly.com)

One-way from

$555
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$792
From Washington to Colombo Bandaranaike Intl
Search Deals
One-way flight from Washington to Colombo Bandaranaike Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($209 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 January 29, 2026.
Use the filters below to find and compare flights from Washington to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Washington

Fly to

Colombo

Route

Depart

Return

Price

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 4/16

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Thu 4/30

12:50 am-8:45 am

1 stop20h 25m

$1,024

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 4/16

7:00 am-7:00 pm

2 stops47h 30m

Colombo Bandaranaike Intl

Thu 4/30

8:30 pm-6:26 pm

2 stops34h 26m

$1,030

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 4/15

7:35 am-7:00 pm

2 stops46h 55m

Colombo Bandaranaike Intl

Mon 4/27

8:30 pm-6:26 pm

2 stops34h 26m

$1,040

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 4/7

4:25 pm-9:00 am

1 stop28h 05m

Colombo Bandaranaike Intl

Tue 4/21

4:35 am-8:28 pm

2 stops28h 23m

$1,074

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 4/15

11:45 am-11:45 pm

1 stop23h 30m

Colombo Bandaranaike Intl

Sat 5/2

1:05 am-7:04 am

2 stops42h 29m

$1,112

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 4/16

11:45 am-11:45 pm

1 stop23h 30m

Colombo Bandaranaike Intl

Sat 5/2

1:05 am-11:32 am

2 stops46h 57m

$1,112

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 4/13

4:30 pm-1:45 am

1 stop20h 45m

Colombo Bandaranaike Intl

Tue 4/28

6:45 pm-12:45 pm

1 stop30h 30m

$1,126

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 4/19

4:30 pm-1:45 am

1 stop20h 45m

Colombo Bandaranaike Intl

Mon 4/27

6:45 pm-12:45 pm

1 stop30h 30m

$1,126

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 4/19

4:30 pm-3:05 am

1 stop22h 05m

Colombo Bandaranaike Intl

Tue 4/28

6:45 pm-12:45 pm

1 stop30h 30m

$1,126

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 4/13

4:30 pm-11:00 am

1 stop30h 00m

Colombo Bandaranaike Intl

Thu 4/30

3:15 am-12:45 pm

1 stop22h 00m

$1,126

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 40 results
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Best time to book a flight from Washington to Colombo

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

What is the cheapest month to book a flight from State of Washington to Colombo Bandaranaike Intl Airport?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Colombo Bandaranaike Intl Airport (average of $666). Flying from State of Washington to Colombo Bandaranaike Intl Airport in June is currently the most expensive (average of $1,132). 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.

Related info for your journey

Find useful and relevant information for your journey from Washington to Colombo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to Colombo Bandaranaike Intl Airport?

    Departing from State of Washington to Colombo Bandaranaike Intl Airport will take you 24h 50m. State of Washington and Colombo Bandaranaike Intl Airport are separated by a distance of 8420 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Colombo Bandaranaike Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Colombo Bandaranaike Intl Airport (average of $666). Flying from State of Washington to Colombo Bandaranaike Intl Airport in June is currently the most expensive (average of $1,132). 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 Washington to Colombo

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Top 5 airlines flying from Washington to Colombo

Discover the top 5 airlines that operate flights from Washington 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$696Average$1,063FlexibilityNo cancel feeOn-time81%
China EasternCheapest$832Average$961FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$938Average$1,195FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,028Average$1,358FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,178Average$1,349FlexibilityNo cancel feeOn-time75%

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