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$628+ Cheap flights from Sri Lanka to Seattle (SEA)

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — SEA
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Sri Lanka to Seattle

Keep the following information in mind while searching for Sri Lanka to Seattle flight deals. Data was last updated March 31, 2025.

Round-trip from

$1,436
(Travelocity)

One-way from

$628
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$1,351
From Sri Lanka to Seattle/Tacoma Intl
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One-way flight from Sri Lanka to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 7% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Sri Lanka to Seattle

Cheapest flights from Sri Lanka to Seattle
Explore the most affordable flight options available from Sri Lanka to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This oojo deal was found by Cheapflights users on 3/30. 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.
Mon 3/3110:30 amCMB - SEA
1 stop38h 45mQatar Airways
Mon 4/711:47 amSEA - CMB
2 stops26h 48mQatar Airways
Deal found 3/30$1,378
This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:40 amCMB - SEA
2 stops24h 20mMultiple Airlines
Tue 4/291:30 amSEA - CMB
2 stops31h 30mMultiple Airlines
Deal found 3/30$1,436

Cheapflights Fare Finder

Customize your flight search to find flights from Sri Lanka to Seattle 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 March 31, 2025.
Use the filters below to find and compare flights from Sri Lanka to Seattle that are best for you.

Fly from

Sri Lanka

Fly to

Seattle

Route

Depart

Return

Price

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Tue 4/29

7:40 am-7:30 pm

2 stops24h 20m

Seattle/Tacoma Intl

Tue 4/29

1:30 am-9:30 pm

2 stops31h 30m

$1,436

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Mon 4/28

3:35 am-12:45 pm

1 stop21h 40m

Seattle/Tacoma Intl

Wed 4/30

4:30 pm-3:05 am

1 stop22h 05m

$1,695

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sat 5/24

10:55 pm-11:46 am

3 stops49h 21m

$628

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sun 5/18

6:45 am-5:15 pm

1 stop23h 00m

$837

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 5/23

3:35 am-12:45 pm

1 stop21h 40m

$897

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Sat 5/24

10:05 am-1:25 pm

1 stop39h 50m

$971

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Wed 7/16

12:50 am-8:10 pm

3 stops55h 50m

$1,575

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Best time to book a flight from Sri Lanka to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Sri Lanka 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 Sri Lanka to Seattle

What is the cheapest time of day to fly from LK to SEA?

Find hourly flight availability from Sri Lanka to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

When flying from Sri Lanka to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated March 31, 2025.
Singapore Airlines
8.1
Very good
1,286 reviews

Overall

8.1

Comfort

7.9

Food

7.7

Crew

8.6

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very good
1,286 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Overall

8.1

Comfort

7.9

Food

7.7

Crew

8.6

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Emirates
8.0
Very good
3,192 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Overall

8.1

Comfort

7.9

Food

7.7

Crew

8.6

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qatar Airways
7.4
Good
3,541 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Overall

8.1

Comfort

7.9

Food

7.7

Crew

8.6

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Turkish Airlines
7.3
Good
3,748 reviews
Singapore Airlines
8.1
Very good
1,286 reviews

Overall

8.1

Comfort

7.9

Food

7.7

Crew

8.6

Entertainment

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from Sri Lanka to Seattle. 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 into for flights to Seattle from Sri Lanka?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Sri Lanka to Seattle.

  • What are the cheapest airlines to fly from Sri Lanka to Seattle one-way?

    One-way options have recently been found by users for as low as $837 on Turkish Airlines. Other airlines that offer cheap prices include Qatar Airways from $897 and Emirates from $971 one-way.

  • Can I find deals for flights from Sri Lanka to Seattle that include hotel bookings?

    Yes. In addition to deals on Sri Lanka to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sri Lanka to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sri Lanka to Seattle.

  • Can I find deals for business class flights from Sri Lanka to Seattle?

    Yes. Cheapflights offers flight deals from Sri Lanka to Seattle 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 Sri Lanka to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Sri Lanka to Seattle (average of $238). Flying from Sri Lanka to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Sri Lanka?

Book flights to Sri Lanka if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Sri Lanka to Seattle

Discover the top 4 airlines that operate flights from Sri Lanka to Seattle. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$970Average$1,373FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,009Average$1,362FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,120Average$1,449FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,395Average$1,490FlexibilityNo cancel feeOn-time75%
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