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$633+ Cheap flights from Sri Lanka to Washington

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — SEA
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheap flight deals from Sri Lanka to Washington

Keep the following information in mind while searching for Sri Lanka to Washington flight deals. Data was last updated April 1, 2025.

Round-trip from

$1,161
(Expedia)

One-way from

$633
(Kiwi.com)

Popular in

August

Cheapest in

October
From Sri Lanka to Washington
Search Deals
One-way flight from Sri Lanka to Washington
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
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Find flight deals from Sri Lanka to Washington

Cheapest flights from Sri Lanka to Washington
Explore the most affordable flight options available from Sri Lanka to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This Expedia deal was found by Cheapflights users on 4/1. 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.
Tue 5/207:50 amCMB - SEA
2 stops24h 10mMultiple Airlines
Thu 5/291:50 amSEA - CMB
2 stops31h 10mMultiple Airlines
Deal found 4/1$1,161
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/258:20 pmCMB - PDX
2 stops39h 12mMultiple Airlines
Wed 1/216:00 amPDX - CMB
2 stops30h 25mMultiple Airlines
Deal found 3/31$1,163
This FlightHub deal was found by Cheapflights users on 3/30. 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 4/153:35 amCMB - PDX
2 stops31h 16mQatar Airways
Tue 9/3010:25 amPDX - CMB
2 stops27h 10mQatar Airways
Deal found 3/30$1,178
This Singapore Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 5/1912:50 amCMB - SEA
2 stops28h 30mSingapore Airlines
Fri 5/3010:15 amSEA - CMB
1 stop24h 50mSingapore Airlines
Deal found 4/1$1,237
This FlightHub deal was found by Cheapflights users on 4/1. 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 5/206:45 amCMB - SEA
1 stop23h 00mTurkish Airlines
Fri 5/307:10 pmSEA - CMB
1 stop21h 35mTurkish Airlines
Deal found 4/1$1,276
This Emirates deal was found by Cheapflights users on 4/1. 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.
Tue 5/208:35 pmCMB - SEA
2 stops53h 20mEmirates
Fri 5/305:15 pmSEA - CMB
1 stop35h 05mEmirates
Deal found 4/1$1,499
This FlightHub deal was found by Cheapflights users on 3/31. 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 6/2412:50 amCMB - PDX
2 stops25h 30mSingapore Airlines
Wed 1/217:30 amPDX - CMB
3 stops50h 30mSingapore Airlines
Deal found 3/31$2,008
This FlightHub deal was found by Cheapflights users on 4/1. 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 5/313:35 amCMB - SEA
1 stop21h 40mQatar Airways
Tue 11/43:40 pmSEA - CMB
1 stop21h 35mQatar Airways
Deal found 4/1$5,740
This Air Canada deal was found by Cheapflights users on 4/1. 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.
Fri 5/301:05 pmCMB - SEA
2 stops60h 23mAir Canada
Mon 11/33:05 pmSEA - CMB
2 stops27h 50mAir Canada
Deal found 4/1$5,779
This AranGrant deal was found by Cheapflights users on 4/1. 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.
Tue 6/312:50 amCMB - SEA
2 stops26h 34mCathay Pacific
Mon 11/37:20 amSEA - CMB
2 stops26h 40mCathay Pacific
Deal found 4/1$8,331

Cheapflights Fare Finder

Customize your flight search to find flights from Sri Lanka to Washington 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 1, 2025.
Use the filters below to find and compare flights from Sri Lanka to Washington that are best for you.

Fly from

Sri Lanka

Fly to

Washington

Route

Depart

Return

Price

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Tue 5/20

7:50 am-7:30 pm

2 stops24h 10m

Seattle/Tacoma Intl

Thu 5/29

1:50 am-9:30 pm

2 stops31h 10m

$1,161

ColomboPortland

CMB - PDX

CMBPDX

Colombo Bandaranaike Intl

Wed 6/25

8:20 pm-11:02 pm

2 stops39h 12m

Portland

Wed 1/21

6:00 am-1:55 am

2 stops30h 25m

$1,163

ColomboPortland

CMB - PDX

CMBPDX

Colombo Bandaranaike Intl

Tue 4/15

3:35 am-10:21 pm

2 stops31h 16m

Portland

Tue 9/30

10:25 am-2:05 am

2 stops27h 10m

$1,178

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Mon 5/19

12:50 am-4:50 pm

2 stops28h 30m

Seattle/Tacoma Intl

Fri 5/30

10:15 am-11:35 pm

1 stop24h 50m

$1,237

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Tue 5/20

6:45 am-5:15 pm

1 stop23h 00m

Seattle/Tacoma Intl

Fri 5/30

7:10 pm-5:15 am

1 stop21h 35m

$1,276

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Tue 5/20

8:35 pm-1:25 pm

2 stops53h 20m

Seattle/Tacoma Intl

Fri 5/30

5:15 pm-4:50 pm

1 stop35h 05m

$1,499

ColomboPortland

CMB - PDX

CMBPDX

Colombo Bandaranaike Intl

Tue 6/24

12:50 am-1:50 pm

2 stops25h 30m

Portland

Wed 1/21

7:30 am-11:30 pm

3 stops50h 30m

$2,008

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sat 5/31

3:35 am-12:45 pm

1 stop21h 40m

Seattle/Tacoma Intl

Tue 11/4

3:40 pm-2:45 am

1 stop21h 35m

$5,740

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 5/30

1:05 pm-12:58 pm

2 stops60h 23m

Seattle/Tacoma Intl

Mon 11/3

3:05 pm-8:25 am

2 stops27h 50m

$5,779

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Tue 6/3

12:50 am-2:54 pm

2 stops26h 34m

Seattle/Tacoma Intl

Mon 11/3

7:20 am-11:30 pm

2 stops26h 40m

$8,331

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 15 results
1
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Best time to book a flight from Sri Lanka to Washington

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

What is the cheapest time of day to fly from LK to WA?

Find hourly flight availability from Sri Lanka to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

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

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

In terms of precipitation, rainfall in State of Washington 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 State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated April 1, 2025.
Get a feel of what it's like to fly with Singapore Airlines, Emirates and Cathay Pacific from Sri Lanka to Washington by reading reviews from past customers. 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
1,286 reviews

Crew

8.6

Boarding

8.2

Food

7.7

Comfort

7.9

Overall

8.1

Entertainment

8.0

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
1,286 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Crew

8.6

Boarding

8.2

Food

7.7

Comfort

7.9

Overall

8.1

Entertainment

8.0

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
3,192 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Crew

8.6

Boarding

8.2

Food

7.7

Comfort

7.9

Overall

8.1

Entertainment

8.0

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
841 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Crew

8.6

Boarding

8.2

Food

7.7

Comfort

7.9

Overall

8.1

Entertainment

8.0

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
3,541 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Crew

8.6

Boarding

8.2

Food

7.7

Comfort

7.9

Overall

8.1

Entertainment

8.0

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.
Turkish Airlines
7.3
Good
3,748 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Crew

8.6

Boarding

8.2

Food

7.7

Comfort

7.9

Overall

8.1

Entertainment

8.0

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 Sri Lanka to Washington. 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 Sri Lanka to State of Washington one-way?

    To fly one-way, consider booking your trip with Turkish Airlines, which is currently one of the cheapest options available, starting at $851. Qatar Airways flights start at $897 while deals on Emirates start at $971 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Sri Lanka to State of Washington (average of $238). Flying from Sri Lanka to State of Washington in July is currently the most expensive (average of $411). 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 Sri Lanka to Washington

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Top 4 airlines flying from Sri Lanka to Washington

Discover the top 4 airlines that operate flights from Sri Lanka to Washington. 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$970Average$1,373FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,009Average$1,362FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,120Average$1,449FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,395Average$1,490FlexibilityNo cancel feeOn-time75%

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