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$771+ Cheap flights from Seattle (SEA) to Sri Lanka

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap flight deals from Seattle to Sri Lanka

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

Round-trip from

$771
(Justfly.com)

Popular in

June

Cheapest in

February

Average price

$1,301
From Seattle/Tacoma Intl to Sri Lanka
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Seattle to Sri Lanka

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

This Justfly.com deal was found by Cheapflights users on 6/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/910:15 amSEA - CMB
1 stop24h 50mSingapore Airlines
Wed 9/2412:50 amCMB - SEA
1 stop20h 25mSingapore Airlines
Deal found 6/30$771
This FlightHub deal was found by Cheapflights users on 7/1. 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 9/912:30 pmSEA - CMB
1 stop28h 15mTurkish Airlines
Thu 9/256:45 amCMB - SEA
1 stop23h 00mTurkish Airlines
Deal found 7/1$948
This FlightHub deal was found by Cheapflights users on 6/29. 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 9/97:10 amSEA - CMB
2 stops47h 20mChina Eastern
Wed 9/248:30 pmCMB - SEA
2 stops32h 20mChina Eastern
Deal found 6/29$967
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:15 amSEA - CMB
1 stop24h 50mMultiple Airlines
Tue 10/75:15 pmCMB - SEA
2 stops38h 49mMultiple Airlines
Deal found 6/30$1,085
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:30 pmSEA - CMB
1 stop21h 05mQatar Airways
Wed 9/243:35 amCMB - SEA
1 stop21h 40mQatar Airways
Deal found 6/30$1,107

Cheapflights Fare Finder

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

Fly from

Seattle

Fly to

Sri Lanka

Route

Depart

Return

Price

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 9/9

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Wed 9/24

12:50 am-8:45 am

1 stop20h 25m

$771

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 9/9

12:30 pm-5:15 am

1 stop28h 15m

Colombo Bandaranaike Intl

Thu 9/25

6:45 am-5:15 pm

1 stop23h 00m

$948

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 9/9

7:10 am-7:00 pm

2 stops47h 20m

Colombo Bandaranaike Intl

Wed 9/24

8:30 pm-4:20 pm

2 stops32h 20m

$967

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 9/14

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Tue 10/7

5:15 pm-7:34 pm

2 stops38h 49m

$1,085

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/10

4:30 pm-2:05 am

1 stop21h 05m

Colombo Bandaranaike Intl

Wed 9/24

3:35 am-12:45 pm

1 stop21h 40m

$1,107

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/17

1:50 pm-8:50 am

3 stops54h 30m

$1,911

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 9/16

7:10 pm-5:15 am

1 stop21h 35m

$2,550

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Best time to book a flight from Seattle to Sri Lanka

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

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

Currently, September is the cheapest month in which you can book a flight from Seattle to Sri Lanka (average of $1,046). Flying from Seattle to Sri Lanka in December is currently the most expensive (average of $1,797). 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 SEA to LK?

Find hourly flight availability from Seattle 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 July 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Sri Lanka as you normally would.

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 July 1, 2025.
Read through reviews of airlines operating flights from Seattle to Sri Lanka, such as Singapore Airlines, Qatar Airways, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,320 reviews

Food

7.7

Comfort

7.9

Boarding

8.2

Crew

8.6

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
1,320 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Food

7.7

Comfort

7.9

Boarding

8.2

Crew

8.6

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
3,595 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Food

7.7

Comfort

7.9

Boarding

8.2

Crew

8.6

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
3,886 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Food

7.7

Comfort

7.9

Boarding

8.2

Crew

8.6

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.
China Eastern
7.1
Good
152 reviews
Singapore Airlines
8.1
Very good
1,320 reviews

Food

7.7

Comfort

7.9

Boarding

8.2

Crew

8.6

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 Seattle 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 airport do you fly from for flights from Seattle to Sri Lanka?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Sri Lanka. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Seattle to Sri Lanka (average of $1,046). Flying from Seattle to Sri Lanka in December is currently the most expensive (average of $1,797). 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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Top 4 airlines flying from Seattle to Sri Lanka

Discover the top 4 airlines that operate flights from Seattle 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$783Average$1,187FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$915Average$1,098FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,103Average$1,389FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,145Average$1,356FlexibilityNo cancel feeOn-time75%

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