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$555+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$1,152
(Orbitz)

One-way from

$555
(Kiwi.com)

Popular in

August

Cheapest in

June

Average price

$1,487
From Sri Lanka to Seattle/Tacoma Intl
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One-way flight from Sri Lanka to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 8% potential increase in price ($137 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This Orbitz deal was found by Cheapflights users on 9/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:20 amCMB - SEA
2 stops28h 18mMultiple Airlines
Wed 12/313:49 pmSEA - CMB
2 stops33h 41mMultiple Airlines
Deal found 9/17$1,152
This Travelocity deal was found by Cheapflights users on 9/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:15 pmCMB - SEA
2 stops36h 49mMultiple Airlines
Tue 12/3010:39 pmSEA - CMB
2 stops35h 06mMultiple Airlines
Deal found 9/17$1,184
This Expedia deal was found by Cheapflights users on 9/15. 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 10/297:15 pmCMB - SEA
2 stops36h 50mMultiple Airlines
Thu 1/110:39 pmSEA - CMB
2 stops35h 06mMultiple Airlines
Deal found 9/15$1,228
This Orbitz deal was found by Cheapflights users on 9/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:05 pmCMB - SEA
2 stops33h 24mMultiple Airlines
Sat 12/2710:39 pmSEA - CMB
2 stops35h 06mMultiple Airlines
Deal found 9/15$1,278
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Wed 10/291:00 amCMB - SEA
2 stops54h 40mMultiple Airlines
Tue 12/3011:30 pmSEA - CMB
2 stops35h 01mMultiple Airlines
Deal found 9/15$1,327
This Orbitz deal was found by Cheapflights users on 9/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:15 pmCMB - SEA
2 stops31h 14mMultiple Airlines
Tue 12/307:00 pmSEA - CMB
1 stop21h 40mMultiple Airlines
Deal found 9/15$1,337

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 September 17, 2025.
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

Sat 10/25

8:20 am-12:08 am

2 stops28h 18m

Seattle/Tacoma Intl

Wed 12/31

3:49 pm-3:00 pm

2 stops33h 41m

$1,152

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Wed 10/29

7:15 pm-7:35 pm

2 stops36h 50m

Seattle/Tacoma Intl

Thu 1/1

10:39 pm-11:15 pm

2 stops35h 06m

$1,228

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Wed 10/22

10:40 am-8:45 am

2 stops34h 35m

Seattle/Tacoma Intl

Tue 12/30

3:10 pm-4:05 pm

3 stops35h 25m

$1,371

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Wed 10/29

7:40 am-6:05 pm

1 stop22h 55m

Seattle/Tacoma Intl

Thu 1/1

7:00 pm-6:10 am

1 stop21h 40m

$1,382

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 12/18

4:15 am-11:40 am

1 stop20h 55m

Seattle/Tacoma Intl

Wed 12/31

8:30 am-1:55 am

2 stops27h 55m

$1,393

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Tue 10/28

12:40 am-7:40 pm

3 stops31h 30m

Seattle/Tacoma Intl

Tue 12/30

3:10 pm-4:05 pm

3 stops35h 25m

$1,425

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sat 10/25

6:45 am-5:15 pm

1 stop23h 00m

Seattle/Tacoma Intl

Wed 12/31

7:00 pm-6:10 am

1 stop21h 40m

$1,426

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 11/21

10:25 am-8:00 am

3 stops35h 05m

$555

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Wed 12/3

11:00 pm-6:40 pm

3 stops33h 10m

$589

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Wed 12/3

7:40 am-5:05 pm

1 stop22h 55m

$823

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 16 results
1
2

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

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

Find hourly flight availability from Sri Lanka to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Sri Lanka to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 17, 2025.
Peruse reviews from past customers who have flown with Singapore Airlines and Qatar Airways 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.
Singapore Airlines
8.1
Very good
1,367 reviews

Entertainment

8.0

Food

7.7

Comfort

8.0

Overall

8.1

Boarding

8.2

Crew

8.6

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
1,367 reviews
Singapore Airlines
8.1
Very good
1,367 reviews

Entertainment

8.0

Food

7.7

Comfort

8.0

Overall

8.1

Boarding

8.2

Crew

8.6

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
3,622 reviews
Singapore Airlines
8.1
Very good
1,367 reviews

Entertainment

8.0

Food

7.7

Comfort

8.0

Overall

8.1

Boarding

8.2

Crew

8.6

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 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.

  • 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.

  • What is the cheapest month to book a flight from Sri Lanka to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Sri Lanka to Seattle (average of $238). Flying from Sri Lanka to Seattle in June is currently the most expensive (average of $387). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
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Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
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Shoreline

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Top 2 airlines flying from Sri Lanka to Seattle

Discover the top 2 airlines 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$992Average$1,325FlexibilityNo cancel feeOn-time68%
Singapore AirlinesCheapest$1,001Average$1,377FlexibilityNo cancel feeOn-time81%

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