Sri Lanka

$483+ Cheap flights from Seattle (SEA) to Sri Lanka

SEA — CMB
Dec 10 — Dec 171
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Cheap flight deals from Seattle to Sri Lanka

Cheapest flights from Seattle to Sri Lanka

Mon 11/304:05 pm -
1 stop40h 20m
Sun 12/61:45 am -
1 stop25h 20m
Deal found 11/7$1,247
Thu 11/54:05 pm -
1 stop43h 10m
Sat 11/141:45 am -
1 stop25h 20m
Deal found 11/5$1,340
Fri 12/43:50 pm -
1 stop35h 10m
Fri 12/117:30 pm -
1 stop29h 40m
Deal found 11/5$1,411
Fri 12/47:05 pm -
1 stop21h 15m
Sat 12/127:25 am -
1 stop23h 15m
Deal found 11/6$1,456
Fri 12/48:40 am -
3 stops28h 40m
Fri 12/114:05 pm -
2 stops33h 25m
Deal found 11/5$1,529
Mon 12/283:50 pm -
1 stop20h 35m
Thu 1/147:30 pm -
1 stop29h 40m
Deal found 11/7$1,530
Fri 12/43:50 pm -
1 stop35h 10m
Fri 12/113:25 am -
2 stops30h 09m
Deal found 11/6$1,594

Find flight deals from Seattle to Sri Lanka

Round-trip from

$669
(oojo)

One-way from

$483
(FlightHub)

Popular in

December

Cheapest in

April

Average price

$1,268
From Seattle/Tacoma Intl to Sri Lanka
One-way flight from Seattle/Tacoma Intl to Sri Lanka
Highest demand for flights based on searches. 12% potential increase in price ($170 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($58 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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 Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Thu 1/7

10:25 am-9:50 pm

3 stops45h 55m

Colombo Bandaranaike Intl

Wed 12/31

12:00 am-10:30 am

Nonstop0h 00m

$584

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 1/3

6:00 am-7:00 pm

2 stops47h 30m

Colombo Bandaranaike Intl

Wed 12/31

12:00 am-10:30 am

Nonstop0h 00m

$625
Quickest round-trip

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Wed 11/25

7:05 pm-5:50 am

1 stop21h 15m

Colombo Bandaranaike Intl

Wed 12/31

12:00 am-10:30 am

Nonstop0h 00m

$764

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 1/3

7:05 pm-7:55 am

1 stop23h 20m

Colombo Bandaranaike Intl

Wed 12/31

12:00 am-10:30 am

Nonstop0h 00m

$785

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sat 4/3

9:40 pm-4:10 am

3 stops42h 00m

Colombo Bandaranaike Intl

Sun 4/25

4:05 pm-8:15 pm

2 stops40h 40m

$1,206

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Wed 1/13

4:05 pm-6:25 pm

2 stops36h 50m

Colombo Bandaranaike Intl

Wed 2/17

8:15 pm-1:35 pm

2 stops30h 50m

$1,235

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Mon 1/18

4:05 pm-8:20 am

1 stop26h 45m

Colombo Bandaranaike Intl

Tue 2/16

8:15 pm-1:35 pm

2 stops30h 50m

$1,247

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 5/9

5:15 pm-4:35 pm

1 stop34h 50m

Colombo Bandaranaike Intl

Thu 5/13

10:05 pm-1:25 pm

1 stop27h 50m

$1,248

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Mon 1/18

4:05 pm-6:25 pm

2 stops36h 50m

Colombo Bandaranaike Intl

Thu 1/28

8:15 pm-1:35 pm

2 stops30h 50m

$1,248

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Mon 1/18

4:05 pm-8:20 am

1 stop26h 45m

Colombo Bandaranaike Intl

Mon 2/1

9:45 pm-1:35 pm

1 stop29h 20m

$1,248

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 14 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

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 $808). Flying from Seattle to Sri Lanka in December is currently the most expensive (average of $1,820). 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 47 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

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

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Overall

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Judith,Sep 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Overall

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Judith,Sep 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Overall

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Judith,Sep 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Overall

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Judith,Sep 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Overall

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Judith,Sep 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Overall

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Judith,Sep 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Related info for your journey

  • 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 fly from Seattle to Sri Lanka in about 36h 50m. The time it takes to get you to your destination can typically vary by up to . The distance between Seattle and Sri Lanka is about 8420 mi.

  • 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 $808). Flying from Seattle to Sri Lanka in December is currently the most expensive (average of $1,820). 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

Top 5 airlines flying from Seattle to Sri Lanka

AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$626Average$1,135FlexibilityNo cancel feeOn-time81%
China EasternCheapest$832Average$961FlexibilityNo cancel feeOn-time62%
Qatar AirwaysCheapest$1,028Average$1,291FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,085Average$1,345FlexibilityNo cancel feeOn-time77%
Cathay PacificCheapest$1,123Average$1,353FlexibilityNo cancel feeOn-time72%

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