$421+ Cheap flights from Seattle (SEA) to Bandaranaike Intl (CMB)
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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Aug 8 — Aug 151
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Colombo 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Colombo
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Best
Last-minute
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Cheapest flights from Seattle to ColomboExplore the most affordable flight options available from Seattle to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2026.
Explore the most affordable flight options available from Seattle to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2026.
This oojo deal was found by Cheapflights users on 7/9. 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
SEA
- CMB
1 stop24h 50m
Singapore Airlines
Wed 10/2112:50 am
CMB
- SEA
1 stop20h 25m
Singapore Airlines
Deal found 7/9![Singapore Airlines logo]()
$833
This oojo deal was found by Cheapflights users on 7/8. 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 10/210:15 am
SEA
- CMB
1 stop36h 00m
Singapore Airlines
Sat 10/2412:50 am
CMB
- SEA
1 stop19h 50m
Singapore Airlines
Deal found 7/8![Singapore Airlines logo]()
$882
This oojo deal was found by Cheapflights users on 7/9. 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 9/1110:15 am
SEA
- CMB
1 stop36h 00m
Singapore Airlines
Sat 9/2612:50 am
CMB
- SEA
1 stop20h 25m
Singapore Airlines
Deal found 7/9![Singapore Airlines logo]()
$923
This oojo deal was found by Cheapflights users on 7/9. 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.
Sat 11/78:45 am
SEA
- CMB
1 stop25h 15m
Singapore Airlines
Tue 12/112:45 am
CMB
- SEA
1 stop19h 55m
Singapore Airlines
Deal found 7/9![Singapore Airlines logo]()
$1,025
This oojo deal was found by Cheapflights users on 7/5. 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.
Sat 11/148:45 am
SEA
- CMB
1 stop25h 15m
Singapore Airlines
Tue 12/112:45 am
CMB
- SEA
1 stop19h 55m
Singapore Airlines
Deal found 7/5![Singapore Airlines logo]()
$1,026
This oojo deal was found by Cheapflights users on 7/9. 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 10/117:05 pm
SEA
- CMB
2 stops27h 10m
Multiple Airlines
Sat 10/1712:50 am
CMB
- SEA
1 stop20h 25m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$1,047
This oojo deal was found by Cheapflights users on 7/8. 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 9/225:59 pm
SEA
- CMB
2 stops28h 16m
Multiple Airlines
Wed 10/2112:50 am
CMB
- SEA
1 stop20h 25m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,088
This Ovago deal was found by Cheapflights users on 7/9. 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 11/75:55 pm
SEA
- CMB
2 stops59h 35m
Multiple Airlines
Wed 12/28:20 pm
CMB
- SEA
2 stops28h 47m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$1,089
This KAYAK deal was found by Cheapflights users on 7/8. 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.
Fri 10/26:49 am
SEA
- CMB
2 stops47h 41m
Multiple Airlines
Sun 10/258:20 pm
CMB
- SEA
2 stops29h 06m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,093
This oojo deal was found by Cheapflights users on 7/7. 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.
Sat 11/218:45 am
SEA
- CMB
1 stop25h 15m
Singapore Airlines
Fri 11/2712:45 am
CMB
- SEA
1 stop19h 55m
Singapore Airlines
Deal found 7/7![Singapore Airlines logo]()
$1,095
Best flights from Seattle to ColomboDiscover carefully curated flight deals from Seattle to Colombo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
Discover carefully curated flight deals from Seattle to Colombo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
This Qatar Airways deal was found by Cheapflights users on 7/9. 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.
Mon 12/73:50 pm
SEA
- CMB
1 stop20h 35m
Qatar Airways
Thu 12/177:20 am
CMB
- SEA
2 stops41h 50m
Qatar Airways
Deal found 7/9![Qatar Airways logo]()
$1,418
This Emirates deal was found by Cheapflights users on 7/8. 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.
Wed 8/55:15 pm
SEA
- CMB
1 stop40h 25m
Emirates
Wed 8/268:35 pm
CMB
- SEA
2 stops29h 20m
Emirates
Deal found 7/8![Emirates logo]()
$1,441
This Turkish Airlines deal was found by Cheapflights users on 7/9. 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.
Fri 12/117:05 pm
SEA
- CMB
1 stop23h 10m
Turkish Airlines
Thu 12/177:25 am
CMB
- SEA
1 stop23h 15m
Turkish Airlines
Deal found 7/9![Turkish Airlines logo]()
$1,646
This Singapore Airlines deal was found by Cheapflights users on 7/7. 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.
Thu 11/52:30 pm
SEA
- CMB
2 stops43h 30m
Multiple Airlines
Sat 11/1412:45 am
CMB
- SEA
3 stops33h 16m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$1,799
This Emirates deal was found by Cheapflights users on 7/8. 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.
Wed 8/55:15 pm
SEA
- CMB
1 stop40h 25m
Emirates
Sun 8/238:35 pm
CMB
- SEA
2 stops53h 20m
Emirates
Deal found 7/8![Emirates logo]()
$1,541
This Qatar Airways deal was found by Cheapflights users on 7/8. 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.
Fri 8/74:25 pm
SEA
- CMB
1 stop28h 05m
Qatar Airways
Sun 8/308:20 pm
CMB
- SEA
2 stops36h 42m
Qatar Airways
Deal found 7/8![Qatar Airways logo]()
$1,732
This Emirates deal was found by Cheapflights users on 7/8. 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.
Sat 8/85:15 pm
SEA
- CMB
1 stop40h 25m
Emirates
Sun 8/308:35 pm
CMB
- SEA
2 stops53h 20m
Emirates
Deal found 7/8![Emirates logo]()
$1,591
This Emirates deal was found by Cheapflights users on 7/8. 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.
Sat 8/15:15 pm
SEA
- CMB
2 stops36h 45m
Emirates
Wed 8/268:35 pm
CMB
- SEA
2 stops29h 20m
Emirates
Deal found 7/8![Emirates logo]()
$1,759
Last-minute flights from Seattle to ColomboDiscover last-minute flight deals from Seattle to Colombo. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Colombo. Data last updated July 9, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/5. 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 7/145:15 pm
SEA
- CMB
2 stops36h 45m
Emirates
Thu 8/132:55 am
CMB
- SEA
1 stop23h 00m
Emirates
Deal found 7/5![Emirates logo]()
$1,415
This FlightHub deal was found by Cheapflights users on 7/8. 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.
Mon 8/32:10 am
SEA
- CMB
2 stops26h 30m
Multiple Airlines
Thu 8/277:35 am
CMB
- SEA
2 stops24h 45m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,422
This Emirates deal was found by Cheapflights users on 7/8. 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.
Tue 8/45:15 pm
SEA
- CMB
1 stop40h 25m
Emirates
Fri 8/288:35 pm
CMB
- SEA
2 stops53h 20m
Emirates
Deal found 7/8![Emirates logo]()
$1,402
This FlightHub deal was found by Cheapflights users on 7/8. 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 8/42:10 am
SEA
- CMB
2 stops25h 05m
Multiple Airlines
Thu 8/277:35 am
CMB
- SEA
2 stops24h 45m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,425
This Emirates deal was found by Cheapflights users on 7/8. 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 8/95:15 pm
SEA
- CMB
2 stops36h 45m
Emirates
Fri 8/288:35 pm
CMB
- SEA
2 stops53h 20m
Emirates
Deal found 7/8![Emirates logo]()
$1,433
This oojo deal was found by Cheapflights users on 7/8. 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.
Sat 8/155:15 pm
SEA
- CMB
1 stop35h 05m
Emirates
Sat 9/58:35 pm
CMB
- SEA
2 stops29h 20m
Emirates
Deal found 7/8![Emirates logo]()
$1,324
This Trip.com deal was found by Cheapflights users on 7/8. 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 8/1812:10 am
SEA
- CMB
3 stops60h 30m
Multiple Airlines
Wed 8/2612:35 am
CMB
- SEA
3 stops28h 30m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,384
This oojo deal was found by Cheapflights users on 7/9. 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.
Sat 8/2910:15 am
SEA
- CMB
1 stop36h 00m
Multiple Airlines
Fri 9/412:50 am
CMB
- SEA
3 stops31h 19m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$1,262
This FlightHub deal was found by Cheapflights users on 7/9. 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 8/294:25 pm
SEA
- CMB
1 stop22h 10m
Qatar Airways
Sat 9/510:30 am
CMB
- SEA
1 stop38h 45m
Qatar Airways
Deal found 7/9![Qatar Airways logo]()
$1,320
One-way flights from Seattle to ColomboSearch for one-way flight options from Seattle to Colombo. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
Search for one-way flight options from Seattle to Colombo. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This oojo deal was found by Cheapflights users on 7/6. 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.
Sat 8/2910:15 am
SEA
- CMB
1 stop36h 00m
Singapore Airlines
Deal found 7/6![Singapore Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 9/2412:50 pm
SEA
- CMB
2 stops56h 20m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$556
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/2910:15 am
SEA
- CMB
2 stops59h 45m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$588
This oojo deal was found by Cheapflights users on 7/7. 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.
Thu 9/2410:15 am
SEA
- CMB
1 stop24h 50m
Singapore Airlines
Deal found 7/7![Singapore Airlines logo]()
$599
This Justfly.com deal was found by Cheapflights users on 7/6. 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.
Wed 8/57:26 am
SEA
- CMB
2 stops47h 04m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$613
This oojo deal was found by Cheapflights users on 7/8. 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 9/2710:15 am
SEA
- CMB
1 stop24h 50m
Singapore Airlines
Deal found 7/8![Singapore Airlines logo]()
$620
This FlightHub deal was found by Cheapflights users on 7/8. 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 9/278:48 pm
SEA
- CMB
2 stops57h 42m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$628
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 9/2512:10 am
SEA
- CMB
3 stops34h 55m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$655
Find flight deals from Seattle to Colombo
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Colombo (CMB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $833 (oojo) |
One-way from | $421 (oojo) |
Popular in | December |
Cheapest in | January |
Average price | $1,335 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Colombo 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 9, 2026.
Use the filters below to find and compare flights from Seattle to Colombo Bandaranaike Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Mon 12/7
3:50 pm-1:55 am
1 stop20h 35m
Colombo Bandaranaike Intl
Thu 12/17
7:20 am-11:40 am
2 stops41h 50m
$1,418
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Wed 8/5
5:15 pm-10:10 pm
1 stop40h 25m
Colombo Bandaranaike Intl
Wed 8/26
8:35 pm-1:25 pm
2 stops29h 20m
$1,441
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Wed 8/5
5:15 pm-10:10 pm
1 stop40h 25m
Colombo Bandaranaike Intl
Sun 8/23
8:35 pm-1:25 pm
2 stops53h 20m
$1,541
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Sat 8/8
5:15 pm-10:10 pm
1 stop40h 25m
Colombo Bandaranaike Intl
Sun 8/30
8:35 pm-1:25 pm
2 stops53h 20m
$1,591
Quickest round-trip
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Fri 12/11
7:05 pm-7:45 am
1 stop23h 10m
Colombo Bandaranaike Intl
Thu 12/17
7:25 am-5:10 pm
1 stop23h 15m
$1,646
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Fri 8/7
4:25 pm-9:00 am
1 stop28h 05m
Colombo Bandaranaike Intl
Sun 8/30
8:20 pm-8:32 pm
2 stops36h 42m
$1,732
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Sat 8/1
5:15 pm-6:30 pm
2 stops36h 45m
Colombo Bandaranaike Intl
Wed 8/26
8:35 pm-1:25 pm
2 stops29h 20m
$1,759
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Thu 11/5
2:30 pm-11:30 pm
2 stops43h 30m
Colombo Bandaranaike Intl
Sat 11/14
12:45 am-8:31 pm
3 stops33h 16m
$1,799
Cheapest one-way
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Sat 8/29
10:15 am-10:45 am
1 stop36h 00m
$421
SeattleColombo
SEA - CMB
SEACMB
Seattle/Tacoma Intl
Thu 9/24
12:50 pm-9:40 am
2 stops56h 20m
$556
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Seattle to Colombo
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Colombo in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Seattle-Colombo Bandaranaike Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Colombo Bandaranaike Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Colombo Bandaranaike Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Colombo Bandaranaike Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Colombo Bandaranaike Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Colombo
Have a flexible travel schedule? Discover the best time to fly to Colombo 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 Colombo Bandaranaike Intl Airport
How far ahead should I book a flight from Seattle to Colombo Bandaranaike Intl Airport?
The best time to book flights from Seattle to Colombo Bandaranaike Intl Airport is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Seattle to Colombo Bandaranaike Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Seattle to Colombo Bandaranaike Intl Airport (average of $696). Flying from Seattle to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,472). 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 much does it cost to fly round-trip from Seattle to Colombo Bandaranaike Intl Airport?
Reviews of airlines servicing Colombo
Get insights into the airlines that provide service to Colombo. 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 Colombo. Reviews last updated July 9, 2026.
Read reviews from past customers who have flown Singapore Airlines,Cathay Pacific, andTurkish Airlines from Seattle to Colombo Bandaranaike Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.3
Food
7.8
Overall
8.2
Entertainment
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentMatt,Jun 2026
SIN - CMB
Boarding
8.3
Food
7.8
Overall
8.2
Entertainment
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentMatt,Jun 2026
SIN - CMB
Boarding
8.3
Food
7.8
Overall
8.2
Entertainment
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentMatt,Jun 2026
SIN - CMB
Boarding
8.3
Food
7.8
Overall
8.2
Entertainment
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentMatt,Jun 2026
SIN - CMB
Boarding
8.3
Food
7.8
Overall
8.2
Entertainment
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentMatt,Jun 2026
SIN - CMB
Boarding
8.3
Food
7.8
Overall
8.2
Entertainment
8.0
Crew
8.6
Comfort
8.0
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 Colombo. 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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Top 6 airlines flying from Seattle to Colombo
Discover the top 6 airlines that operate flights from Seattle to Colombo. 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$626 | Average$1,039 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$832 | Average$961 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$938 | Average$1,108 | FlexibilityNo cancel fee | On-time77% | |
| 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$1,281 | FlexibilityNo cancel fee | On-time75% |