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$776+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$776
(Justfly.com)

Popular in

June

Cheapest in

October

Average price

$1,201
From Seattle/Tacoma Intl to Sri Lanka
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($132 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 28, 2025.

This FlightHub deal was found by Cheapflights users on 3/27. 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 9/2110:15 amSEA - CMB
1 stop24h 50mSingapore Airlines
Fri 10/312:50 amCMB - SEA
1 stop20h 25mSingapore Airlines
Deal found 3/27$808
This FlightHub deal was found by Cheapflights users on 3/27. 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 9/107:10 pmSEA - CMB
1 stop21h 35mTurkish Airlines
Thu 9/256:45 amCMB - SEA
1 stop23h 00mTurkish Airlines
Deal found 3/27$992
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Thu 5/1511:30 amSEA - CMB
2 stops32h 35mAir Canada
Tue 5/203:25 amCMB - SEA
2 stops28h 42mAir Canada
Deal found 3/27$1,064
This Singapore Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 8/2410:15 amSEA - CMB
1 stop34h 50mMultiple Airlines
Tue 9/3012:50 amCMB - SEA
3 stops30h 13mMultiple Airlines
Deal found 3/27$1,096
This SmartFares deal was found by Cheapflights users on 3/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/114:30 pmSEA - CMB
1 stop21h 05mQatar Airways
Sun 5/1810:30 amCMB - SEA
1 stop38h 45mQatar Airways
Deal found 3/27$1,097
This Emirates deal was found by Cheapflights users on 3/27. 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.
Mon 5/125:15 pmSEA - CMB
2 stops27h 45mEmirates
Fri 5/2310:05 amCMB - SEA
1 stop39h 50mEmirates
Deal found 3/27$1,182
This oojo deal was found by Cheapflights users on 3/27. 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 7/207:05 amSEA - CMB
2 stops27h 55mCathay Pacific
Mon 8/412:50 amCMB - SEA
2 stops28h 34mCathay Pacific
Deal found 3/27$1,799

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 March 28, 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

Sun 9/21

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Fri 10/3

12:50 am-8:45 am

1 stop20h 25m

$808

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/10

7:10 pm-5:15 am

1 stop21h 35m

Colombo Bandaranaike Intl

Thu 9/25

6:45 am-5:15 pm

1 stop23h 00m

$992

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 5/15

11:30 am-8:35 am

2 stops32h 35m

Colombo Bandaranaike Intl

Tue 5/20

3:25 am-7:37 pm

2 stops28h 42m

$1,064

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 8/24

10:15 am-9:35 am

1 stop34h 50m

Colombo Bandaranaike Intl

Tue 9/30

12:50 am-6:33 pm

3 stops30h 13m

$1,096

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 5/11

4:30 pm-2:05 am

1 stop21h 05m

Colombo Bandaranaike Intl

Sun 5/25

10:30 am-12:45 pm

1 stop38h 45m

$1,097

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 5/12

5:15 pm-9:30 am

2 stops27h 45m

Colombo Bandaranaike Intl

Fri 5/23

10:05 am-1:25 pm

1 stop39h 50m

$1,182

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 7/20

7:05 am-11:30 pm

2 stops27h 55m

Colombo Bandaranaike Intl

Mon 8/4

12:50 am-4:54 pm

2 stops28h 34m

$1,799

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 5/2

4:30 pm-6:15 am

3 stops49h 15m

$2,334

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 5/2

7:10 pm-5:15 am

1 stop21h 35m

$2,599

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 $1,049). Flying from Seattle 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 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 March 28, 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.

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 March 28, 2025.
Get a feel of what it's like to fly with Singapore Airlines, Emirates and Cathay Pacific from Seattle to Sri Lanka by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,285 reviews

Crew

8.6

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

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
1,285 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Crew

8.6

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

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
3,190 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Crew

8.6

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

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
837 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Crew

8.6

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

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
3,538 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Crew

8.6

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

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.
Turkish Airlines
7.3
Good
3,744 reviews
Singapore Airlines
8.1
Very good
1,285 reviews

Crew

8.6

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

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 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.

  • What are the cheapest airlines to fly from Seattle to Sri Lanka one-way?

    The cheapest airlines for a one-way flight from Seattle to Sri Lanka are Turkish Airlines ($2,511), Singapore Airlines ($4,073), and Emirates ($4,468).

  • 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 $1,049). Flying from Seattle 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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Top 5 airlines flying from Seattle to Sri Lanka

Discover the top 5 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$785Average$1,162FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$927Average$1,100FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$998Average$1,356FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,106Average$1,236FlexibilityNo cancel feeOn-time71%
EmiratesCheapest$1,129Average$1,350FlexibilityNo cancel feeOn-time75%
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