Seattle

$618+ Cheap flights from Sri Lanka to Seattle (SEA)

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — SEA
Mar 26 — Apr 21
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Cheap flight deals from Sri Lanka to Seattle

Cheapest flights from Sri Lanka to Seattle
Explore the most affordable flight options available from Sri Lanka to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 24, 2026.

This Singapore Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 6/1812:50 am
CMB
-
SEA
1 stop20h 25m
Singapore Airlines
Sun 6/2810:15 am
SEA
-
CMB
1 stop24h 50m
Singapore Airlines
Deal found 2/21$1,644
This Emirates deal was found by Cheapflights users on 2/21. 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.
Fri 6/198:35 pm
CMB
-
SEA
2 stops29h 20m
Emirates
Sun 6/285:15 pm
SEA
-
CMB
1 stop35h 05m
Emirates
Deal found 2/21$1,668
This oojo deal was found by Cheapflights users on 2/21. 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 6/1812:50 am
CMB
-
SEA
3 stops29h 43m
Multiple Airlines
Sun 6/287:00 am
SEA
-
CMB
2 stops28h 05m
Multiple Airlines
Deal found 2/21$2,219
This Air Canada deal was found by Cheapflights users on 2/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:05 am
CMB
-
SEA
2 stops48h 18m
Air Canada
Mon 7/207:20 pm
SEA
-
CMB
2 stops45h 55m
Air Canada
Deal found 2/22$4,173
This Air Canada deal was found by Cheapflights users on 2/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:05 am
CMB
-
SEA
2 stops48h 18m
Air Canada
Mon 7/207:20 pm
SEA
-
CMB
2 stops45h 55m
Air Canada
Deal found 2/22$4,174
This oojo deal was found by Cheapflights users on 2/20. 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.
Fri 3/278:00 am
CMB
-
SEA
1 stop22h 35m
Turkish Airlines
Tue 4/77:10 pm
SEA
-
CMB
1 stop21h 40m
Turkish Airlines
Deal found 2/20$4,257
This Trip.com deal was found by Cheapflights users on 2/20. 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 3/267:40 am
CMB
-
SEA
1 stop22h 55m
Turkish Airlines
Tue 4/77:10 pm
SEA
-
CMB
1 stop21h 40m
Turkish Airlines
Deal found 2/20$4,398
This BusinessClass deal was found by Cheapflights users on 2/23. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/267:40 am
CMB
-
SEA
2 stops24h 00m
Multiple Airlines
Mon 4/61:30 am
SEA
-
CMB
2 stops27h 00m
Multiple Airlines
Deal found 2/23$4,665
This Expedia deal was found by Cheapflights users on 2/22. 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.
Tue 3/242:40 am
CMB
-
SEA
2 stops47h 00m
Multiple Airlines
Tue 4/78:00 am
SEA
-
CMB
2 stops36h 20m
Multiple Airlines
Deal found 2/22$4,671

Find flight deals from Sri Lanka to Seattle

Keep the following information in mind while searching for Sri Lanka to Seattle flight deals. Data was last updated February 24, 2026.

Round-trip from

$1,644
(Singapore Airlines)

One-way from

$618
(Kiwi.com)

Popular in

February

Cheapest in

June

Average price

$1,981
From Sri Lanka to Seattle/Tacoma Intl
One-way flight from Sri Lanka to Seattle/Tacoma Intl
Highest demand for flights based on searches. 17% potential increase in price ($328 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sri Lanka to Seattle 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 February 24, 2026.
Use the filters below to find and compare flights from Sri Lanka to Seattle that are best for you.

Fly from

Sri Lanka

Fly to

Seattle

Route

Depart

Return

Price

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 6/18

12:50 am-8:45 am

1 stop20h 25m

Seattle/Tacoma Intl

Sun 6/28

10:15 am-11:35 pm

1 stop24h 50m

$1,644

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 6/19

8:35 pm-1:25 pm

2 stops29h 20m

Seattle/Tacoma Intl

Sun 6/28

5:15 pm-4:50 pm

1 stop35h 05m

$1,668

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 3/27

8:00 am-6:05 pm

1 stop22h 35m

Seattle/Tacoma Intl

Tue 4/7

7:10 pm-5:20 am

1 stop21h 40m

$4,257

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 3/26

7:40 am-6:05 pm

1 stop22h 55m

Seattle/Tacoma Intl

Tue 4/7

7:10 pm-5:20 am

1 stop21h 40m

$4,429

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Tue 3/24

2:40 am-1:10 pm

2 stops47h 00m

Seattle/Tacoma Intl

Tue 4/7

8:00 am-8:50 am

2 stops36h 20m

$4,671

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 3/26

7:40 am-6:30 pm

2 stops23h 20m

Seattle/Tacoma Intl

Mon 4/6

1:30 am-5:00 pm

2 stops27h 00m

$4,712

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 3/27

7:30 am-7:10 pm

2 stops24h 10m

Seattle/Tacoma Intl

Mon 4/6

1:30 am-5:00 pm

2 stops27h 00m

$5,536

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 4/24

1:10 pm-9:53 pm

2 stops45h 13m

Seattle/Tacoma Intl

Sun 9/20

8:00 am-8:30 am

2 stops36h 00m

$5,566

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Tue 4/21

10:05 pm-1:25 pm

1 stop27h 50m

Seattle/Tacoma Intl

Mon 7/20

5:15 pm-8:10 am

1 stop26h 25m

$6,042

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sun 5/3

11:15 pm-8:05 pm

3 stops57h 20m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 18 results
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Best time to book a flight from Sri Lanka to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 Seattle
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated February 24, 2026.
Peruse reviews from past customers who have flown with Singapore Airlines from Sri Lanka to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.3

Comfort

8.0

Crew

8.6

Food

7.8

Entertainment

8.0

Overall

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Boarding

8.3

Comfort

8.0

Crew

8.6

Food

7.8

Entertainment

8.0

Overall

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Related info for your journey

Find useful and relevant information for your journey from Sri Lanka to Seattle. 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 into for flights to Seattle from Sri Lanka?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Sri Lanka to Seattle.

  • How long is the flight from Sri Lanka to Seattle?

    A quick flight from Sri Lanka to Seattle can take about 20h 25m. Singapore Airlines provides one of the quickest options available for as low as $1,644. There are 8420 mi between Sri Lanka and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sri Lanka to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Sri Lanka to Seattle

Discover the top airline that operate flights from Sri Lanka to Seattle. 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 February 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$371Average$1,377FlexibilityNo cancel feeOn-time81%

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