Sri Lanka

$647+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
May 31 — Jun 71
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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 May 1, 2026.

This oojo deal was found by Cheapflights users on 4/27. 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.
Fri 9/1110:15 am
SEA
-
CMB
1 stop24h 50m
Singapore Airlines
Wed 9/2311:45 am
CMB
-
SEA
1 stop33h 30m
Singapore Airlines
Deal found 4/27$983
This oojo deal was found by Cheapflights users on 4/27. 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.
Thu 11/268:45 am
SEA
-
CMB
1 stop25h 15m
Singapore Airlines
Wed 12/212:45 am
CMB
-
SEA
1 stop19h 55m
Singapore Airlines
Deal found 4/27$1,119
This KAYAK deal was found by Cheapflights users on 4/30. 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 10/237:00 am
SEA
-
CMB
2 stops47h 30m
Multiple Airlines
Sun 11/18:20 pm
CMB
-
SEA
2 stops28h 47m
Multiple Airlines
Deal found 4/30$1,126
This CrystalTravel deal was found by Cheapflights users on 4/26. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:05 pm
SEA
-
CMB
1 stop27h 10m
Qatar Airways
Sun 11/154:15 am
CMB
-
SEA
1 stop20h 55m
Qatar Airways
Deal found 4/26$1,166
This oojo deal was found by Cheapflights users on 4/29. 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 5/275:05 pm
SEA
-
CMB
1 stop22h 35m
Qatar Airways
Wed 6/34:05 am
CMB
-
SEA
1 stop23h 10m
Qatar Airways
Deal found 4/29$1,177
This Indian Eagle deal was found by Cheapflights users on 4/27. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:05 pm
SEA
-
CMB
1 stop27h 10m
Qatar Airways
Sun 11/154:15 am
CMB
-
SEA
1 stop20h 55m
Qatar Airways
Deal found 4/27$1,187
This FlightHub deal was found by Cheapflights users on 4/27. 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 11/254:05 pm
SEA
-
CMB
1 stop20h 20m
Qatar Airways
Tue 12/13:25 am
CMB
-
SEA
1 stop21h 45m
Qatar Airways
Deal found 4/27$1,193
This Justfly.com deal was found by Cheapflights users on 4/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:05 pm
SEA
-
CMB
1 stop20h 20m
Multiple Airlines
Wed 12/24:15 am
CMB
-
SEA
2 stops26h 11m
Multiple Airlines
Deal found 4/27$1,206
This oojo deal was found by Cheapflights users on 4/30. 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 10/2310:15 am
SEA
-
CMB
1 stop24h 50m
Singapore Airlines
Sat 10/3112:45 am
CMB
-
SEA
1 stop19h 55m
Singapore Airlines
Deal found 4/30$1,207
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:25 pm
SEA
-
CMB
1 stop28h 45m
Qatar Airways
Wed 9/238:20 pm
CMB
-
SEA
1 stop28h 35m
Qatar Airways
Deal found 4/28$1,221

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 May 1, 2026.

Round-trip from

$983
(oojo)

One-way from

$647
(CrystalTravel)

Popular in

June

Cheapest in

January

Average price

$1,130
From Seattle/Tacoma Intl to Sri Lanka
One-way flight from Seattle/Tacoma Intl to Sri Lanka
Highest demand for flights based on searches. 17% potential increase in price ($233 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in May 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 May 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 6/1

5:15 pm-10:10 pm

1 stop40h 25m

Colombo Bandaranaike Intl

Thu 6/11

8:35 pm-1:25 pm

2 stops29h 20m

$1,248

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 6/10

5:15 pm-4:50 pm

1 stop35h 05m

Colombo Bandaranaike Intl

Wed 6/17

8:35 pm-1:25 pm

2 stops29h 20m

$1,310

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 10/15

8:10 am-3:05 am

2 stops30h 25m

Colombo Bandaranaike Intl

Mon 10/19

4:35 am-9:04 pm

2 stops28h 59m

$1,319

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 6/27

7:03 am-3:05 am

2 stops31h 32m

Colombo Bandaranaike Intl

Thu 7/16

8:20 pm-12:25 pm

1 stop28h 35m

$1,336
Quickest round-trip

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 7/14

4:25 pm-9:00 am

1 stop28h 05m

Colombo Bandaranaike Intl

Mon 7/27

4:35 am-12:25 pm

1 stop20h 20m

$1,485

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 7/15

4:25 pm-9:00 am

1 stop28h 05m

Colombo Bandaranaike Intl

Sat 7/25

10:30 am-12:25 pm

1 stop38h 25m

$1,528

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 8/1

7:03 am-2:05 am

2 stops30h 32m

Colombo Bandaranaike Intl

Sun 8/9

8:20 pm-12:25 pm

1 stop28h 35m

$1,539

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 6/11

5:15 pm-6:30 pm

2 stops36h 45m

Colombo Bandaranaike Intl

Thu 6/18

8:35 pm-1:25 pm

2 stops53h 20m

$1,651

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 7/11

4:25 pm-2:05 am

1 stop21h 10m

Colombo Bandaranaike Intl

Thu 7/30

11:25 am-12:25 pm

1 stop37h 30m

$1,668
Cheapest one-way

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 9/7

7:00 am-5:00 pm

2 stops45h 30m

$1,338

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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

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 48 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.

What is the cheapest month to book a flight from Seattle to Sri Lanka?

Currently, August is the cheapest month in which you can book a flight from Seattle to Sri Lanka (average of $122). Flying from Seattle to Sri Lanka in December is currently the most expensive (average of $913). 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 May 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.

Crew

8.6

Food

7.8

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

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.

Crew

8.6

Food

7.8

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

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.

Crew

8.6

Food

7.8

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

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.

Crew

8.6

Food

7.8

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

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.

Crew

8.6

Food

7.8

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

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.

Crew

8.6

Food

7.8

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

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 Emirates and Qatar Airways fly from Seattle to Sri Lanka in about 30h 25m. The time it takes to get you to your destination can typically vary by up to 10h. 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, August is the cheapest month in which you can book a flight from Seattle to Sri Lanka (average of $122). Flying from Seattle to Sri Lanka in December is currently the most expensive (average of $913). 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 May 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$626Average$973FlexibilityNo cancel feeOn-time81%
China EasternCheapest$832Average$961FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$938Average$1,108FlexibilityNo cancel feeOn-time77%
Cathay PacificCheapest$946Average$1,285FlexibilityNo cancel feeOn-time72%
Qatar AirwaysCheapest$1,028Average$1,358FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,191Average$1,395FlexibilityNo cancel feeOn-time75%

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