Sri Lanka

$534+ Cheap flights from Seattle (SEA) to Sri Lanka

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
May 1 — May 81
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Cheap 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 April 1, 2026.

This FlightHub deal was found by Cheapflights users on 3/29. 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.
Fri 9/1810:15 am
SEA
-
CMB
1 stop24h 50m
Singapore Airlines
Fri 10/212:50 am
CMB
-
SEA
1 stop20h 25m
Singapore Airlines
Deal found 3/29$611
This oojo deal was found by Cheapflights users on 3/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:15 am
SEA
-
CMB
1 stop24h 50m
Multiple Airlines
Fri 10/212:50 am
CMB
-
SEA
2 stops28h 36m
Multiple Airlines
Deal found 3/29$937
This oojo deal was found by Cheapflights users on 3/28. 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.
Tue 8/1810:15 am
SEA
-
CMB
1 stop24h 50m
Multiple Airlines
Sun 8/3011:45 am
CMB
-
SEA
2 stops33h 37m
Multiple Airlines
Deal found 3/28$981
This FlightHub deal was found by Cheapflights users on 3/29. 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.
Thu 9/176:50 am
SEA
-
CMB
2 stops47h 40m
Multiple Airlines
Sun 10/48:30 pm
CMB
-
SEA
2 stops32h 55m
Multiple Airlines
Deal found 3/29$1,018
This FlightHub deal was found by Cheapflights users on 3/29. 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.
Sat 9/191:10 pm
SEA
-
CMB
2 stops65h 20m
Multiple Airlines
Sun 10/48:30 pm
CMB
-
SEA
2 stops32h 55m
Multiple Airlines
Deal found 3/29$1,026
This KAYAK deal was found by Cheapflights users on 3/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:20 am
SEA
-
CMB
2 stops47h 10m
China Eastern
Sun 10/48:30 pm
CMB
-
SEA
2 stops32h 55m
China Eastern
Deal found 3/29$1,040
This oojo deal was found by Cheapflights users on 3/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:10 pm
SEA
-
CMB
1 stop21h 40m
Turkish Airlines
Wed 5/206:50 am
CMB
-
SEA
1 stop22h 55m
Turkish Airlines
Deal found 3/29$1,087
This oojo deal was found by Cheapflights users on 3/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:15 pm
SEA
-
CMB
1 stop40h 25m
Emirates
Thu 6/182:55 am
CMB
-
SEA
1 stop23h 00m
Emirates
Deal found 3/29$1,092
This Justfly.com deal was found by Cheapflights users on 3/28. 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 8/1810:15 am
SEA
-
CMB
1 stop24h 50m
Singapore Airlines
Sat 8/2912:50 am
CMB
-
SEA
1 stop20h 25m
Singapore Airlines
Deal found 3/28$1,117
This FlightHub deal was found by Cheapflights users on 3/29. 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.
Thu 9/174:25 pm
SEA
-
CMB
1 stop22h 10m
Qatar Airways
Thu 10/13:35 am
CMB
-
SEA
1 stop21h 20m
Qatar Airways
Deal found 3/29$1,121
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.
Mon 5/187:10 pm
SEA
-
CMB
1 stop21h 40m
Turkish Airlines
Thu 5/286:50 am
CMB
-
SEA
1 stop22h 55m
Turkish Airlines
Deal found 3/27$1,123

Find 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 April 1, 2026.

Round-trip from

$611
(FlightHub)

One-way from

$534
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$1,047
From Seattle/Tacoma Intl to Sri Lanka
One-way flight from Seattle/Tacoma Intl to Sri Lanka
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 1, 2026.
Use the filters below to find and compare flights from Seattle to Sri Lanka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 9/21

4:25 pm-2:05 am

1 stop21h 10m

Colombo Bandaranaike Intl

Tue 10/6

8:20 pm-12:25 pm

1 stop28h 35m

$1,200

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 9/20

5:15 pm-8:10 am

1 stop26h 25m

Colombo Bandaranaike Intl

Thu 10/1

8:35 pm-1:25 pm

2 stops29h 20m

$1,204

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 9/15

4:25 pm-3:05 am

1 stop22h 10m

Colombo Bandaranaike Intl

Sat 10/3

3:35 am-12:25 pm

1 stop21h 20m

$1,240
Quickest round-trip

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 9/19

4:25 pm-2:05 am

1 stop21h 10m

Colombo Bandaranaike Intl

Mon 10/5

3:35 am-12:25 pm

1 stop21h 20m

$1,240

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 9/18

4:25 pm-2:05 am

1 stop21h 10m

Colombo Bandaranaike Intl

Mon 10/5

3:35 am-12:25 pm

1 stop21h 20m

$1,240

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 9/26

5:15 pm-6:30 pm

2 stops36h 45m

Colombo Bandaranaike Intl

Tue 9/29

8:35 pm-1:25 pm

2 stops29h 20m

$1,254
Cheapest one-way

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 8/8

11:03 am-9:40 am

3 stops58h 07m

$597

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 6/30

12:55 am-9:55 pm

2 stops32h 30m

$757
Quickest one-way

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 7/4

12:25 pm-11:30 pm

1 stop22h 35m

$1,051

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 7/2

12:25 pm-11:30 pm

1 stop22h 35m

$1,051

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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, April is the cheapest month in which you can book a flight from Seattle to Sri Lanka (average of $595). Flying from Seattle to Sri Lanka in December is currently the most expensive (average of $1,161). 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.

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 April 1, 2026.
Read through reviews of airlines operating flights from Seattle to Sri Lanka, such as Singapore Airlines,Emirates, andQatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Crew

8.6

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.

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Crew

8.6

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.

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Crew

8.6

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.

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Crew

8.6

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.

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Crew

8.6

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.

Overall

8.2

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Crew

8.6

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 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.

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

    Airlines like Qatar Airways and Emirates fly from Seattle to Sri Lanka in about 21h 10m. The time it takes to get you to your destination can typically vary by up to 5h 15m. The distance between Seattle and Sri Lanka is about 8420 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, April is the cheapest month in which you can book a flight from Seattle to Sri Lanka (average of $595). Flying from Seattle to Sri Lanka in December is currently the most expensive (average of $1,161). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Seattle to Sri Lanka

Discover the top 6 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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$645Average$1,031FlexibilityNo cancel feeOn-time81%
China EasternCheapest$832Average$961FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$938Average$1,241FlexibilityNo cancel feeOn-time77%
Cathay PacificCheapest$946Average$1,285FlexibilityNo cancel feeOn-time72%
Qatar AirwaysCheapest$1,028Average$1,358FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,191Average$1,387FlexibilityNo cancel feeOn-time75%

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