$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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Sri Lanka with Cheapflights
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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 August 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 August 21, 2026.
This oojo deal was found by Cheapflights users on 8/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:15 am -
1 stop24h 50m
Mon 10/2612:45 am -
1 stop19h 55m
Deal found 8/17![Singapore Airlines logo]()
$837
This Indian Eagle deal was found by Cheapflights users on 8/16. 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.
Tue 10/279:45 am -
1 stop25h 15m
Sat 11/712:45 am -
1 stop19h 55m
Deal found 8/16![Singapore Airlines logo]()
$839
This Justfly.com deal was found by Cheapflights users on 8/18. 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.
Tue 9/2210:15 am -
1 stop24h 50m
Wed 10/2112:50 am -
1 stop20h 25m
Deal found 8/18![Singapore Airlines logo]()
$965
This oojo deal was found by Cheapflights users on 8/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:39 am -
2 stops28h 26m
Mon 10/2612:45 am -
1 stop19h 55m
Deal found 8/17![Multiple Airlines logo]()
$1,028
This oojo deal was found by Cheapflights users on 8/16. 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 10/278:36 pm -
2 stops38h 24m
Sat 11/712:45 am -
1 stop19h 55m
Deal found 8/16![Multiple Airlines logo]()
$1,032
This FlightHub deal was found by Cheapflights users on 8/18. 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.
Tue 9/227:18 am -
2 stops27h 47m
Wed 10/2112:50 am -
1 stop20h 25m
Deal found 8/18![Multiple Airlines logo]()
$1,077
This FlightHub deal was found by Cheapflights users on 8/20. 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 10/410:15 am -
1 stop24h 50m
Tue 10/2712:45 am -
1 stop43h 50m
Deal found 8/20![Singapore Airlines logo]()
$1,091
This oojo deal was found by Cheapflights users on 8/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:15 am -
1 stop24h 50m
Thu 9/2412:50 am -
1 stop20h 25m
Deal found 8/19![Singapore Airlines logo]()
$1,122
This Justfly.com deal was found by Cheapflights users on 8/18. 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.
Thu 11/52:59 pm -
2 stops43h 01m
Sat 11/1412:45 am -
1 stop19h 50m
Deal found 8/18![Multiple Airlines logo]()
$1,148
This Singapore Airlines deal was found by Cheapflights users on 8/19. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:15 am -
1 stop24h 50m
Thu 10/2212:50 am -
1 stop20h 25m
Deal found 8/19![Singapore Airlines logo]()
$1,158
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 August 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 August 21, 2026.
This oojo deal was found by Cheapflights users on 8/16. 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 9/2210:15 am -
1 stop24h 50m
Wed 10/2112:50 am -
1 stop20h 25m
Deal found 8/16![Singapore Airlines logo]()
$976
This FlightHub deal was found by Cheapflights users on 8/16. 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 11/52:59 pm -
2 stops43h 01m
Sat 11/1412:45 am -
1 stop19h 55m
Deal found 8/16![Multiple Airlines logo]()
$1,183
This Emirates deal was found by Cheapflights users on 8/19. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:05 pm -
1 stop26h 40m
Thu 10/299:50 pm -
1 stop28h 15m
Deal found 8/19![Emirates logo]()
$1,248
This Singapore Airlines deal was found by Cheapflights users on 8/19. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:15 am -
1 stop24h 50m
Thu 10/2212:50 am -
1 stop20h 25m
Deal found 8/19![Singapore Airlines logo]()
$1,158
This Emirates deal was found by Cheapflights users on 8/20. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:05 pm -
2 stops28h 40m
Thu 11/59:50 pm -
1 stop28h 15m
Deal found 8/20![Emirates logo]()
$1,248
This Emirates deal was found by Cheapflights users on 8/19. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:15 pm -
2 stops36h 45m
Fri 10/235:35 pm -
1 stop32h 20m
Deal found 8/19![Emirates logo]()
$1,248
Last-minute flights from Seattle to Sri LankaDiscover last-minute flight deals from Seattle to Sri Lanka. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Sri Lanka. Data last updated August 21, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 8/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:15 am -
1 stop24h 50m
Thu 9/2412:50 am -
1 stop20h 25m
Deal found 8/19![Singapore Airlines logo]()
$1,122
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:25 pm -
1 stop28h 05m
Fri 9/258:20 pm -
2 stops36h 42m
Deal found 8/19![Multiple Airlines logo]()
$1,228
This Justfly.com deal was found by Cheapflights users on 8/18. 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.
Tue 9/2210:15 am -
1 stop24h 50m
Wed 10/2112:50 am -
1 stop20h 25m
Deal found 8/18![Singapore Airlines logo]()
$965
This FlightHub deal was found by Cheapflights users on 8/18. 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.
Tue 9/227:18 am -
2 stops27h 47m
Wed 10/2112:50 am -
1 stop20h 25m
Deal found 8/18![Multiple Airlines logo]()
$1,077
This oojo deal was found by Cheapflights users on 8/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:42 pm -
2 stops38h 48m
Thu 10/224:10 am -
2 stops29h 35m
Deal found 8/18![Etihad Airways logo]()
$1,176
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 August 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 August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 10/1812:10 am -
3 stops33h 15m
Deal found 8/16![Multiple Airlines logo]()
$534
This Justfly.com deal was found by Cheapflights users on 8/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:59 pm -
2 stops60h 31m
Deal found 8/20![Multiple Airlines logo]()
$624
This Turkish Airlines deal was found by Cheapflights users on 8/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:15 pm -
1 stop23h 10m
Deal found 8/16![Turkish Airlines logo]()
$785
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/122:35 pm -
3 stops51h 55m
Deal found 8/19![Multiple Airlines logo]()
$867
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Fri 12/112:50 pm -
3 stops48h 10m
Deal found 8/17![Multiple Airlines logo]()
$893
This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/121:50 pm -
2 stops52h 40m
Deal found 8/19![Lufthansa logo]()
$1,157
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 August 21, 2026.
Round-trip from | $837 (oojo) |
|---|---|
One-way from | $534 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $1,204 |
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 7,457,451 searches. Data last updated August 21, 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
Cheapest round-trip
Quickest round-trip
SeattleColombo
SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl
SEACMB
Seattle/Tacoma Intl
Tue 9/22
10:15 am-11:35 pm
1 stop24h 50m
Colombo Bandaranaike Intl
Wed 10/21
12:50 am-8:45 am
1 stop20h 25m
$976
SeattleColombo
SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl
SEACMB
Seattle/Tacoma Intl
Sun 10/11
10:15 am-11:35 pm
1 stop24h 50m
Colombo Bandaranaike Intl
Thu 10/22
12:50 am-8:45 am
1 stop20h 25m
$1,158
SeattleColombo
SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl
SEACMB
Seattle/Tacoma Intl
Thu 11/5
2:59 pm-11:30 pm
2 stops43h 01m
Colombo Bandaranaike Intl
Sat 11/14
12:45 am-7:10 am
1 stop19h 55m
$1,183
SeattleColombo
SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl
SEACMB
Seattle/Tacoma Intl
Sun 10/25
5:05 pm-8:15 am
1 stop26h 40m
Colombo Bandaranaike Intl
Thu 10/29
9:50 pm-1:35 pm
1 stop28h 15m
$1,248
SeattleColombo
SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl
SEACMB
Seattle/Tacoma Intl
Sun 11/1
4:05 pm-10:15 am
2 stops28h 40m
Colombo Bandaranaike Intl
Thu 11/5
9:50 pm-12:35 pm
1 stop28h 15m
$1,248
SeattleColombo
SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl
SEACMB
Seattle/Tacoma Intl
Sun 10/11
5:15 pm-6:30 pm
2 stops36h 45m
Colombo Bandaranaike Intl
Fri 10/23
5:35 pm-1:25 pm
1 stop32h 20m
$1,248
Cheapest one-way
SeattleColombo
SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl
SEACMB
Seattle/Tacoma Intl
Sun 10/18
12:10 am-9:30 pm
2 stops56h 50m
$620
SeattleColombo
SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl
SEACMB
Seattle/Tacoma Intl
Fri 9/4
1:15 am-9:55 pm
3 stops32h 10m
$684
Quickest one-way
SeattleColombo
SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl
SEACMB
Seattle/Tacoma Intl
Mon 10/19
7:15 pm-6:55 am
1 stop23h 10m
$785
SeattleColombo
SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl
SEACMB
Seattle/Tacoma Intl
Fri 12/11
11:55 am-5:30 pm
1 stop40h 05m
$899
Showing 1-10 of 12 resultsSorted by cheapest first
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, January is the cheapest month in which you can book a flight from Seattle to Sri Lanka (average of $696). Flying from Seattle to Sri Lanka in December is currently the most expensive (average of $1,597). 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.
How far ahead should I book a flight from Seattle to Sri Lanka?
To ensure you get the cheapest price possible for a flight from Seattle to Sri Lanka, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 August 21, 2026.
Read through reviews of airlines operating flights from Seattle to Sri Lanka, such as Singapore Airlines,Emirates, andCathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Entertainment
8.1
Boarding
8.3
Comfort
8.0
Overall
8.2
Food
7.8
Reviews
1 / 20
8.0
ExcellentMatt,Jun 2026
SIN - CMB
Crew
8.7
Entertainment
8.1
Boarding
8.3
Comfort
8.0
Overall
8.2
Food
7.8
Reviews
1 / 20
8.0
ExcellentMatt,Jun 2026
SIN - CMB
Crew
8.7
Entertainment
8.1
Boarding
8.3
Comfort
8.0
Overall
8.2
Food
7.8
Reviews
1 / 20
8.0
ExcellentMatt,Jun 2026
SIN - CMB
Crew
8.7
Entertainment
8.1
Boarding
8.3
Comfort
8.0
Overall
8.2
Food
7.8
Reviews
1 / 20
8.0
ExcellentMatt,Jun 2026
SIN - CMB
Crew
8.7
Entertainment
8.1
Boarding
8.3
Comfort
8.0
Overall
8.2
Food
7.8
Reviews
1 / 20
8.0
ExcellentMatt,Jun 2026
SIN - CMB
Crew
8.7
Entertainment
8.1
Boarding
8.3
Comfort
8.0
Overall
8.2
Food
7.8
Reviews
1 / 20
8.0
ExcellentMatt,Jun 2026
SIN - CMB
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.
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Alternative routes for Seattle to Sri Lanka
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Complete your trip
Complete your trip to Sri Lanka by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Sri Lanka by cabin class
Find flights from Seattle to Sri Lanka, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Sri Lanka flights
Browse other Seattle and Sri Lanka flight options. Last updated on August 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Sri Lanka flights
Consider these flights traveling from Seattle to Sri Lanka.
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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$626 | Average$1,117 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$832 | Average$961 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$1,028 | Average$1,298 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,123 | Average$1,353 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$1,162 | Average$1,271 | FlexibilityNo cancel fee | On-time75% |