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$549+ Cheap flights from Washington to Sri Lanka

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheap flight deals from Washington to Sri Lanka

Keep the following information in mind while searching for Washington to Sri Lanka flight deals. Data was last updated April 25, 2025.

Round-trip from

$1,102
(Booking.com)

One-way from

$549
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,200
From Washington to Sri Lanka
Search Deals
One-way flight from Washington to Sri Lanka
Search Deals
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 Sri Lanka

Cheapest flights from Washington to Sri Lanka
Explore the most affordable flight options available from Washington to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This FlightHub deal was found by Cheapflights users on 4/25. 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 stop34h 50mSingapore Airlines
Sat 9/2012:50 amCMB - SEA
1 stop20h 25mSingapore Airlines
Deal found 4/25$762
This FlightHub deal was found by Cheapflights users on 4/25. 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 5/217:10 pmSEA - CMB
1 stop21h 35mTurkish Airlines
Fri 6/66:45 amCMB - SEA
1 stop23h 00mTurkish Airlines
Deal found 4/25$992
This Gotogate deal was found by Cheapflights users on 4/25. 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.
Wed 5/2111:30 amSEA - CMB
2 stops36h 45mMultiple Airlines
Thu 6/53:25 amCMB - SEA
2 stops29h 42mMultiple Airlines
Deal found 4/25$1,043
This Air Canada deal was found by Cheapflights users on 4/25. 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 4/25$1,078
This oojo deal was found by Cheapflights users on 4/25. 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 9/217:00 amSEA - CMB
2 stops28h 00mCathay Pacific
Fri 10/312:50 amCMB - SEA
2 stops35h 35mCathay Pacific
Deal found 4/25$1,131
This oojo deal was found by Cheapflights users on 4/25. 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 40mQatar Airways
Wed 9/243:35 amCMB - SEA
1 stop21h 40mQatar Airways
Deal found 4/25$1,137
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 9/171:24 pmPDX - CMB
2 stops24h 11mQatar Airways
Tue 10/283:25 amCMB - PDX
2 stops32h 58mQatar Airways
Deal found 4/24$1,162
This oojo deal was found by Cheapflights users on 4/25. 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 8/245:15 pmSEA - CMB
2 stops36h 45mEmirates
Wed 10/18:35 pmCMB - SEA
2 stops29h 20mEmirates
Deal found 4/25$1,170
This Singapore Airlines 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:30 pmPDX - CMB
2 stops39h 35mMultiple Airlines
Tue 10/2812:45 amCMB - PDX
3 stops34h 09mMultiple Airlines
Deal found 4/24$1,284
This Priceline deal was found by Cheapflights users on 4/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/16:15 amPDX - CMB
2 stops42h 00mAir Canada
Thu 7/312:05 amCMB - PDX
2 stops31h 11mAir Canada
Deal found 4/25$1,525
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 5/212:30 pmPDX - CMB
2 stops41h 40mEtihad Airways
Wed 5/284:05 amCMB - PDX
2 stops45h 37mEtihad Airways
Deal found 4/24$1,673
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 5/219:35 pmPDX - CMB
2 stops61h 45mCathay Pacific
Tue 5/271:10 amCMB - PDX
2 stops35h 19mCathay Pacific
Deal found 4/24$1,739

Cheapflights Fare Finder

Customize your flight search to find flights from Washington to Sri Lanka 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 25, 2025.
Use the filters below to find and compare flights from Washington to Sri Lanka that are best for you.

Fly from

Washington

Fly to

Sri Lanka

Route

Depart

Return

Price

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 8/24

10:15 am-9:35 am

1 stop34h 50m

Colombo Bandaranaike Intl

Sat 9/20

12:50 am-8:45 am

1 stop20h 25m

$762

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 5/21

7:10 pm-5:15 am

1 stop21h 35m

Colombo Bandaranaike Intl

Fri 6/6

6:45 am-5:15 pm

1 stop23h 00m

$992

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 5/21

11:30 am-12:45 pm

2 stops36h 45m

Colombo Bandaranaike Intl

Thu 6/5

3:25 am-8:37 pm

2 stops29h 42m

$1,043

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

Sun 9/21

7:00 am-11:30 pm

2 stops28h 00m

Colombo Bandaranaike Intl

Fri 10/3

12:50 am-11:55 pm

2 stops35h 35m

$1,131

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

$1,137

PortlandColombo

PDX - CMB

PDXCMB

Portland

Wed 9/17

1:24 pm-2:05 am

2 stops24h 11m

Colombo Bandaranaike Intl

Tue 10/28

3:25 am-11:53 pm

2 stops32h 58m

$1,162

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 8/24

5:15 pm-6:30 pm

2 stops36h 45m

Colombo Bandaranaike Intl

Wed 10/1

8:35 pm-1:25 pm

2 stops29h 20m

$1,170

PortlandColombo

PDX - CMB

PDXCMB

Portland

Wed 9/17

7:30 pm-11:35 pm

2 stops39h 35m

Colombo Bandaranaike Intl

Tue 10/28

12:45 am-10:24 pm

3 stops34h 09m

$1,284

PortlandColombo

PDX - CMB

PDXCMB

Portland

Sun 6/1

6:15 am-12:45 pm

2 stops42h 00m

Colombo Bandaranaike Intl

Thu 7/3

12:05 am-6:46 pm

2 stops31h 11m

$1,525

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 17 results
1
2

Best time to book a flight from Washington to Sri Lanka

Have a flexible travel schedule? Discover the best time to fly to Sri Lanka 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 Sri Lanka

What is the cheapest month to book a flight from State of Washington to Sri Lanka?

Currently, September is the cheapest month in which you can book a flight from State of Washington to Sri Lanka (average of $1,049). Flying from State of Washington to Sri Lanka 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 LK?

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

When flying from State of Washington to Sri Lanka, 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 Sri Lanka by month

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

In terms of precipitation, rainfall in Sri Lanka 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 Sri Lanka when rainfall is around 2.4 in.

Temperature in Sri Lanka by month

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

If weather is an important factor for your trip to Sri Lanka, 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 Sri Lanka

Get insights into the airlines that provide service to Sri Lanka. 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 Sri Lanka. Reviews last updated April 25, 2025.
See what other customers who have flown with Singapore Airlines, Emirates and Cathay Pacific from Washington to Sri Lanka have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.7

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

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.7

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
3,211 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.7

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
851 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.7

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
3,562 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.7

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
1,203 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.7

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 Sri Lanka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from State of Washington to Sri Lanka one-way?

    The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $569. However, be on the lookout for offers from Emirates and Singapore Airlines, as they are both options that can get you from State of Washington to Sri Lanka for a low price.

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

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

  • How can I find direct flights from Washington to Sri Lanka?

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

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

    Yes. Cheapflights offers flight deals from Washington to Sri Lanka 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 Sri Lanka?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to Sri Lanka (average of $1,049). Flying from State of Washington to Sri Lanka 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 Sri Lanka

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Washington to Sri Lanka

Discover the top 5 airlines that operate flights from Washington to Sri Lanka. 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 25, 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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