$359+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Mar 23 — Mar 301
1 adult, Economy
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Find cheap flights from Seattle to Sri Lanka with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Seattle to Sri LankaExplore 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 February 21, 2026.
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 February 21, 2026.
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:15 am
SEA
- CMB
1 stop24h 50m
Singapore Airlines
Mon 10/1212:50 am
CMB
- SEA
1 stop20h 25m
Singapore Airlines
Deal found 2/20![Singapore Airlines logo]()
$612
This Trip.com deal was found by Cheapflights users on 2/18. 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.
Tue 4/2110:15 am
SEA
- CMB
1 stop35h 30m
Singapore Airlines
Sat 5/2312:50 am
CMB
- SEA
1 stop20h 25m
Singapore Airlines
Deal found 2/18![Singapore Airlines logo]()
$775
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:15 am
SEA
- CMB
1 stop24h 50m
Singapore Airlines
Sat 10/2412:50 am
CMB
- SEA
1 stop19h 50m
Singapore Airlines
Deal found 2/20![Singapore Airlines logo]()
$792
This Justfly.com deal was found by Cheapflights users on 2/19. 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 9/110:15 am
SEA
- CMB
1 stop36h 00m
Singapore Airlines
Wed 9/1611:45 am
CMB
- SEA
1 stop33h 30m
Singapore Airlines
Deal found 2/19![Singapore Airlines logo]()
$813
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:25 pm
SEA
- CMB
1 stop22h 35m
Cathay Pacific
Sun 9/612:50 am
CMB
- SEA
1 stop22h 00m
Cathay Pacific
Deal found 2/21![Cathay Pacific logo]()
$854
This Justfly.com deal was found by Cheapflights users on 2/19. 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.
Fri 8/2110:15 am
SEA
- CMB
1 stop36h 00m
Singapore Airlines
Fri 9/412:50 am
CMB
- SEA
1 stop20h 25m
Singapore Airlines
Deal found 2/19![Singapore Airlines logo]()
$862
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:25 pm
SEA
- CMB
1 stop22h 35m
Cathay Pacific
Sun 9/612:50 am
CMB
- SEA
1 stop22h 00m
Cathay Pacific
Deal found 2/21![Cathay Pacific logo]()
$904
This Gurufare deal was found by Cheapflights users on 2/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:45 am
SEA
- CMB
1 stop23h 30m
Cathay Pacific
Tue 4/211:05 am
CMB
- SEA
1 stop21h 30m
Cathay Pacific
Deal found 2/18![Cathay Pacific logo]()
$923
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:45 am
SEA
- CMB
1 stop23h 30m
Cathay Pacific
Sun 4/191:05 am
CMB
- SEA
1 stop21h 30m
Cathay Pacific
Deal found 2/20![Cathay Pacific logo]()
$929
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:55 pm
SEA
- CMB
2 stops28h 20m
Multiple Airlines
Mon 10/1212:50 am
CMB
- SEA
1 stop20h 25m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$934
This Gurufare deal was found by Cheapflights users on 2/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:45 am
SEA
- CMB
1 stop23h 30m
Cathay Pacific
Wed 4/221:05 am
CMB
- SEA
2 stops27h 15m
Cathay Pacific
Deal found 2/18![Cathay Pacific logo]()
$952
Best flights from Seattle to Sri LankaDiscover carefully curated flight deals from Seattle to Sri Lanka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 21, 2026.
Discover carefully curated flight deals from Seattle to Sri Lanka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 21, 2026.
This Gurufare deal was found by Cheapflights users on 2/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:45 am
SEA
- CMB
1 stop23h 30m
Cathay Pacific
Wed 4/221:05 am
CMB
- SEA
1 stop21h 30m
Cathay Pacific
Deal found 2/18![Cathay Pacific logo]()
$923
This Justfly.com deal was found by Cheapflights users on 2/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/279:45 am
SEA
- CMB
1 stop36h 00m
Singapore Airlines
Thu 4/912:50 am
CMB
- SEA
1 stop20h 25m
Singapore Airlines
Deal found 2/17![Singapore Airlines logo]()
$1,008
This Indian Eagle deal was found by Cheapflights users on 2/18. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:30 pm
SEA
- CMB
1 stop36h 45m
Qatar Airways
Thu 4/233:15 am
CMB
- SEA
2 stops29h 01m
Qatar Airways
Deal found 2/18![Qatar Airways logo]()
$1,130
This Gurufare deal was found by Cheapflights users on 2/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:45 am
SEA
- CMB
1 stop23h 30m
Cathay Pacific
Tue 4/211:05 am
CMB
- SEA
2 stops27h 15m
Cathay Pacific
Deal found 2/18![Cathay Pacific logo]()
$952
This FlightHub deal was found by Cheapflights users on 2/18. 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 7/910:15 am
SEA
- CMB
1 stop36h 00m
Singapore Airlines
Sat 7/2512:50 am
CMB
- SEA
1 stop20h 25m
Singapore Airlines
Deal found 2/18![Singapore Airlines logo]()
$1,063
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:41 am
SEA
- CMB
2 stops50h 34m
Cathay Pacific
Sun 4/191:05 am
CMB
- SEA
1 stop21h 30m
Cathay Pacific
Deal found 2/20![Cathay Pacific logo]()
$1,057
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:45 am
SEA
- CMB
1 stop23h 30m
Cathay Pacific
Sun 4/191:05 am
CMB
- SEA
2 stops46h 27m
Cathay Pacific
Deal found 2/20![Cathay Pacific logo]()
$1,068
This Cathay Pacific deal was found by Cheapflights users on 2/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:41 am
SEA
- CMB
2 stops26h 34m
Cathay Pacific
Wed 4/221:05 am
CMB
- SEA
2 stops27h 15m
Cathay Pacific
Deal found 2/18![Cathay Pacific logo]()
$1,086
This Cathay Pacific deal was found by Cheapflights users on 2/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:41 am
SEA
- CMB
2 stops26h 34m
Cathay Pacific
Wed 4/221:05 am
CMB
- SEA
2 stops27h 15m
Cathay Pacific
Deal found 2/18![Cathay Pacific logo]()
$1,136
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/155:50 pm
SEA
- CMB
2 stops41h 10m
Cathay Pacific
Wed 3/2512:45 am
CMB
- SEA
2 stops51h 37m
Cathay Pacific
Deal found 2/20![Cathay Pacific logo]()
$1,157
Last-minute flights from Seattle to Sri LankaDiscover last-minute flight deals from Seattle to Sri Lanka. Data last updated February 21, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Sri Lanka. Data last updated February 21, 2026 and is based on user searches.
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:05 pm
SEA
- CMB
1 stop40h 20m
Emirates
Thu 3/129:50 pm
CMB
- SEA
1 stop28h 15m
Emirates
Deal found 2/20![Emirates logo]()
$1,127
This Gurufare deal was found by Cheapflights users on 2/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:10 am
SEA
- CMB
2 stops27h 50m
Cathay Pacific
Tue 3/1012:45 am
CMB
- SEA
2 stops28h 45m
Cathay Pacific
Deal found 2/18![Cathay Pacific logo]()
$1,051
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:50 pm
SEA
- CMB
2 stops27h 25m
Multiple Airlines
Wed 3/257:30 am
CMB
- SEA
2 stops24h 10m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$1,151
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:50 pm
SEA
- CMB
2 stops42h 10m
Cathay Pacific
Wed 3/2512:45 am
CMB
- SEA
2 stops51h 37m
Cathay Pacific
Deal found 2/20![Cathay Pacific logo]()
$1,149
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:15 am
SEA
- CMB
2 stops47h 15m
China Eastern
Tue 3/318:30 pm
CMB
- SEA
2 stops34h 23m
China Eastern
Deal found 2/20![China Eastern logo]()
$1,040
This KAYAK deal was found by Cheapflights users on 2/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/149:14 pm
SEA
- CMB
2 stops37h 46m
Multiple Airlines
Mon 3/2312:45 am
CMB
- SEA
2 stops51h 37m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$1,057
This Cathay Pacific deal was found by Cheapflights users on 2/19. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/155:50 pm
SEA
- CMB
2 stops41h 10m
Cathay Pacific
Wed 3/2512:45 am
CMB
- SEA
2 stops51h 37m
Cathay Pacific
Deal found 2/19![Cathay Pacific logo]()
$1,157
This Justfly.com deal was found by Cheapflights users on 2/19. 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 3/179:45 am
SEA
- CMB
1 stop25h 15m
Singapore Airlines
Thu 3/2612:45 am
CMB
- SEA
1 stop19h 55m
Singapore Airlines
Deal found 2/19![Singapore Airlines logo]()
$1,103
This Justfly.com deal was found by Cheapflights users on 2/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/279:45 am
SEA
- CMB
1 stop36h 00m
Singapore Airlines
Thu 4/912:50 am
CMB
- SEA
1 stop20h 25m
Singapore Airlines
Deal found 2/17![Singapore Airlines logo]()
$1,008
This Justfly.com deal was found by Cheapflights users on 2/18. 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.
Fri 3/279:45 am
SEA
- CMB
1 stop36h 00m
Singapore Airlines
Fri 4/312:50 am
CMB
- SEA
1 stop20h 25m
Singapore Airlines
Deal found 2/18![Singapore Airlines logo]()
$1,115
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/2910:15 am
SEA
- CMB
1 stop35h 30m
Multiple Airlines
Sun 4/125:05 pm
CMB
- SEA
2 stops52h 03m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$1,133
One-way flights from Seattle to Sri LankaSearch for one-way flight options from Seattle to Sri Lanka. Find affordable one-way fares based on user searches. Data last updated February 21, 2026.
Search for one-way flight options from Seattle to Sri Lanka. Find affordable one-way fares based on user searches. Data last updated February 21, 2026.
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:15 am
SEA
- CMB
1 stop24h 50m
Singapore Airlines
Deal found 2/20![Singapore Airlines logo]()
$359
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/511:10 pm
SEA
- CMB
2 stops47h 25m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:30 pm
SEA
- CMB
2 stops58h 10m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$506
This Gurufare deal was found by Cheapflights users on 2/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/195:05 pm
SEA
- CMB
1 stop34h 55m
Qatar Airways
Deal found 2/18![Qatar Airways logo]()
$560
This Trip.com deal was found by Cheapflights users on 2/18. 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 3/1910:30 pm
SEA
- CMB
2 stops34h 50m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$573
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:05 pm
SEA
- CMB
1 stop20h 20m
American Airlines
Deal found 2/18![American Airlines logo]()
$577
This Qatar Airways 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:05 pm
SEA
- CMB
1 stop34h 55m
Qatar Airways
Deal found 2/20![Qatar Airways logo]()
$578
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 February 21, 2026.
Round-trip from | $775 (Trip.com) |
|---|---|
One-way from | $359 (FlightHub) |
Popular in | December |
Cheapest in | January |
Average price | $1,086 |
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 February 21, 2026.
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
Wed 4/15
11:45 am-11:45 pm
1 stop23h 30m
Colombo Bandaranaike Intl
Wed 4/22
1:05 am-10:05 am
1 stop21h 30m
$923
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Wed 4/15
11:45 am-11:45 pm
1 stop23h 30m
Colombo Bandaranaike Intl
Tue 4/21
1:05 am-3:50 pm
2 stops27h 15m
$952
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Fri 3/27
9:45 am-10:15 am
1 stop36h 00m
Colombo Bandaranaike Intl
Thu 4/9
12:50 am-8:45 am
1 stop20h 25m
$1,008
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Sun 4/5
8:41 am-11:45 pm
2 stops50h 34m
Colombo Bandaranaike Intl
Sun 4/19
1:05 am-10:05 am
1 stop21h 30m
$1,057
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Thu 7/9
10:15 am-10:45 am
1 stop36h 00m
Colombo Bandaranaike Intl
Sat 7/25
12:50 am-8:45 am
1 stop20h 25m
$1,063
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Thu 4/9
11:45 am-11:45 pm
1 stop23h 30m
Colombo Bandaranaike Intl
Sun 4/19
1:05 am-11:02 am
2 stops46h 27m
$1,068
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Tue 4/14
8:41 am-11:45 pm
2 stops26h 34m
Colombo Bandaranaike Intl
Wed 4/22
1:05 am-3:50 pm
2 stops27h 15m
$1,086
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Thu 4/16
4:30 pm-5:45 pm
1 stop36h 45m
Colombo Bandaranaike Intl
Thu 4/23
3:15 am-7:46 pm
2 stops29h 01m
$1,130
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Sat 4/18
8:41 am-11:45 pm
2 stops26h 34m
Colombo Bandaranaike Intl
Wed 4/22
1:05 am-3:50 pm
2 stops27h 15m
$1,136
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Sun 3/15
5:50 pm-11:30 pm
2 stops41h 10m
Colombo Bandaranaike Intl
Wed 3/25
12:45 am-3:52 pm
2 stops51h 37m
$1,157
Showing 1-10 of 16 results
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.
SEA-CMB
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
SEA-LK0
SEA-CMB
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 $1,130). 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 February 21, 2026.
Read through reviews of airlines operating flights from Seattle to Sri Lanka, such as Singapore Airlines, Emirates, and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Entertainment
8.0
Food
7.8
Boarding
8.3
Overall
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Feb 2026
SAI - SIN
Crew
8.6
Comfort
8.0
Entertainment
8.0
Food
7.8
Boarding
8.3
Overall
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Feb 2026
SAI - SIN
Crew
8.6
Comfort
8.0
Entertainment
8.0
Food
7.8
Boarding
8.3
Overall
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Feb 2026
SAI - SIN
Crew
8.6
Comfort
8.0
Entertainment
8.0
Food
7.8
Boarding
8.3
Overall
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Feb 2026
SAI - SIN
Crew
8.6
Comfort
8.0
Entertainment
8.0
Food
7.8
Boarding
8.3
Overall
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Feb 2026
SAI - SIN
Crew
8.6
Comfort
8.0
Entertainment
8.0
Food
7.8
Boarding
8.3
Overall
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Feb 2026
SAI - SIN
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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 February 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$654 | Average$1,024 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$832 | Average$961 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$938 | Average$1,241 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,028 | Average$1,358 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,181 | Average$1,349 | FlexibilityNo cancel fee | On-time75% |