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Colombo

$627+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Washington to Colombo

Keep the following information in mind while searching for Washington to Colombo flight deals. Data was last updated April 24, 2025.

Round-trip from

$764
(FlightHub)

One-way from

$627
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,200
From Washington to Colombo Bandaranaike Intl
Search Deals
One-way flight from Washington to Colombo Bandaranaike Intl
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Highest demand for flights based on searches. 9% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 24, 2025.

This FlightHub deal was found by Cheapflights users on 4/24. 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.
Sun 8/2410:15 amSEA - CMB
1 stop24h 50mSingapore Airlines
Sun 9/2111:05 amCMB - SEA
2 stops25h 24mSingapore Airlines
Deal found 4/24$904
This FlightHub deal was found by Cheapflights users on 4/24. 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.
Wed 9/107:10 pmSEA - CMB
1 stop21h 35mTurkish Airlines
Thu 9/256:45 amCMB - SEA
1 stop23h 00mTurkish Airlines
Deal found 4/24$993
This Gotogate deal was found by Cheapflights users on 4/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:30 amSEA - CMB
2 stops28h 55mMultiple Airlines
Tue 5/201:05 pmCMB - SEA
2 stops43h 02mMultiple Airlines
Deal found 4/23$1,001
This Air Canada deal was found by Cheapflights users on 4/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1012:10 pmSEA - CMB
2 stops31h 55mAir Canada
Thu 9/251:05 pmCMB - SEA
2 stops42h 56mAir Canada
Deal found 4/24$1,078
This oojo deal was found by Cheapflights users on 4/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:30 pmSEA - CMB
1 stop28h 00mQatar Airways
Wed 9/243:35 amCMB - SEA
1 stop21h 40mQatar Airways
Deal found 4/24$1,137
This Emirates deal was found by Cheapflights users on 4/23. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/55:15 pmSEA - CMB
1 stop26h 50mEmirates
Mon 5/192:05 amCMB - SEA
1 stop23h 50mEmirates
Deal found 4/23$1,177
This oojo deal was found by Cheapflights users on 4/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/247:00 amSEA - CMB
2 stops28h 00mCathay Pacific
Sat 9/2012:50 amCMB - SEA
2 stops33h 46mCathay Pacific
Deal found 4/24$1,182
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Fri 8/81:25 pmPDX - CMB
2 stops24h 10mQatar Airways
Sun 8/173:35 amCMB - PDX
2 stops32h 54mQatar Airways
Deal found 4/23$1,397
This Expedia deal was found by Cheapflights users on 4/22. 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.
Wed 5/217:25 pmPDX - CMB
1 stop28h 50mMultiple Airlines
Wed 5/281:05 pmCMB - PDX
1 stop41h 00mMultiple Airlines
Deal found 4/22$1,585
This oojo deal was found by Cheapflights users on 4/22. 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.
Wed 5/212:30 pmPDX - CMB
2 stops41h 40mEtihad Airways
Wed 5/289:50 amCMB - PDX
2 stops63h 52mEtihad Airways
Deal found 4/22$1,649
This oojo deal was found by Cheapflights users on 4/23. 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.
Wed 6/2510:30 amPDX - CMB
3 stops43h 30mEmirates
Fri 7/118:35 pmCMB - PDX
3 stops36h 03mEmirates
Deal found 4/23$2,337
This AranGrant deal was found by Cheapflights users on 4/23. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/277:25 amPDX - CMB
2 stops27h 55mCathay Pacific
Tue 5/131:10 amCMB - PDX
2 stops27h 39mCathay Pacific
Deal found 4/23$4,788

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 April 24, 2025.
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

Sun 8/24

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Sun 9/21

11:05 am-11:59 pm

2 stops25h 24m

$904

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/10

7:10 pm-5:15 am

1 stop21h 35m

Colombo Bandaranaike Intl

Thu 9/25

6:45 am-5:15 pm

1 stop23h 00m

$993

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 5/5

11:30 am-4:55 am

2 stops28h 55m

Colombo Bandaranaike Intl

Tue 5/20

1:05 pm-7:37 pm

2 stops43h 02m

$1,001

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/10

12:10 pm-8:35 am

2 stops31h 55m

Colombo Bandaranaike Intl

Thu 9/25

1:05 pm-7:31 pm

2 stops42h 56m

$1,078

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/10

4:30 pm-9:00 am

1 stop28h 00m

Colombo Bandaranaike Intl

Wed 9/24

3:35 am-12:45 pm

1 stop21h 40m

$1,137

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 5/5

5:15 pm-8:35 am

1 stop26h 50m

Colombo Bandaranaike Intl

Mon 5/19

2:05 am-1:25 pm

1 stop23h 50m

$1,177

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 8/24

7:00 am-11:30 pm

2 stops28h 00m

Colombo Bandaranaike Intl

Sat 9/20

12:50 am-10:06 pm

2 stops33h 46m

$1,182

PortlandColombo

PDX - CMB

PDXCMB

Portland

Wed 5/21

7:25 pm-12:45 pm

1 stop28h 50m

Colombo Bandaranaike Intl

Wed 5/28

1:05 pm-5:35 pm

1 stop41h 00m

$1,585

PortlandColombo

PDX - CMB

PDXCMB

Portland

Wed 5/21

2:30 pm-8:40 pm

2 stops41h 40m

Colombo Bandaranaike Intl

Wed 5/28

9:50 am-1:12 pm

2 stops63h 52m

$1,649

PortlandColombo

PDX - CMB

PDXCMB

Portland

Wed 6/25

7:00 am-9:00 am

2 stops37h 30m

Colombo Bandaranaike Intl

Fri 7/11

4:35 am-8:35 pm

2 stops28h 30m

$1,791

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 17 results
1
2

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, September is the cheapest month in which you can book a flight from State of Washington to Colombo Bandaranaike Intl Airport (average of $1,049). Flying from State of Washington to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,850). 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 WA to CMB?

Find hourly flight availability from Washington 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 April 24, 2025.

When flying from State of Washington to Colombo Bandaranaike Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Colombo by month

Plan your trip to Colombo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colombo Bandaranaike Intl Airport ranges from 2.4 - 13.8 inches per month. October is typically the wettest month, when rainfall can reach 13.8 in. February is typically the driest time to visit Colombo Bandaranaike Intl Airport when rainfall is around 2.4 in.

Temperature in Colombo by month

Plan your trip to Colombo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colombo Bandaranaike Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

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 April 24, 2025.
Read reviews from past customers who have flown Singapore Airlines, Emirates and Cathay Pacific from Washington to Colombo. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,290 reviews

Crew

8.6

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very good
1,290 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Crew

8.6

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Emirates
8.0
Very good
3,205 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Crew

8.6

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.5
Good
850 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Crew

8.6

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qatar Airways
7.4
Good
3,561 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Crew

8.6

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Etihad Airways
7.4
Good
1,202 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Crew

8.6

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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.

  • 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, September is the cheapest month in which you can book a flight from State of Washington to Colombo Bandaranaike Intl Airport (average of $1,049). Flying from State of Washington to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,850). 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 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$785Average$1,213FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$927Average$1,108FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,081Average$1,432FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,106Average$1,236FlexibilityNo cancel feeOn-time71%
EmiratesCheapest$1,145Average$1,353FlexibilityNo cancel feeOn-time75%

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