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.

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).

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

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.

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.

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.

$827+ Flights from Sri Lanka to Seattle

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1. Tell us where you want to go

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Sri Lanka to Seattle

One-way flights from Sri Lanka to Seattle
Search for one-way flight options from Sri Lanka to Seattle. Find affordable one-way fares based on user searches. Data last updated December 20, 2025.

Mon 2/167:40 amCMB - SEA

1 stop22h 55mTurkish Airlines

Deal found 12/19

$827

Mon 2/167:30 amCMB - SEA

2 stops24h 10mMultiple Airlines

Deal found 12/20

$944

Thu 1/812:45 amCMB - SEA

2 stops31h 34mCathay Pacific

Deal found 12/20

$1,195

Fri 1/97:30 amCMB - SEA

2 stops24h 10mMultiple Airlines

Deal found 12/19

$1,304

Fri 1/910:15 amCMB - SEA

1 stop38h 55mQatar Airways

Deal found 12/19

$1,606

Fri 1/98:15 pmCMB - SEA

3 stops35h 43mEmirates

Deal found 12/19

$2,916

Find flight deals from Sri Lanka to Seattle

Popular in	January
Cheapest in	June
Average price	$1,821

Highest demand for flights based on searches. 11% potential increase in price ($218 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($46 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Mon 2/16

7:40 am-5:05 pm

1 stop22h 55m

$827

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Mon 2/16

7:30 am-6:10 pm

2 stops24h 10m

$944

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Thu 1/8

12:45 am-6:49 pm

2 stops31h 34m

$1,195

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 1/9

7:30 am-6:10 pm

2 stops24h 10m

$1,304

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 1/9

10:15 am-11:40 am

1 stop38h 55m

$1,606

ColomboSeattle

CMB - SEA

CMBSEA

Colombo Bandaranaike Intl

Fri 1/9

8:15 pm-6:28 pm

3 stops35h 43m

$2,916

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Singapore Airlines from Sri Lanka to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very good

1,414 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Singapore Airlines

8.1

Very good

1,414 reviews

Singapore Airlines

8.1

Very good

1,414 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Related info for your journey

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.
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.

See more FAQs

Tacoma

SeaTac

Lakewood

Ocean Shores

Olympia

Edmonds

Lynnwood

Renton

Puyallup

Kirkland

Kent

Tukwila

Cle Elum

Marysville

Leavenworth

Fife

Aberdeen

Shoreline

Centralia

Federal Way

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Sri Lanka to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$1,001	Average$1,377	FlexibilityNo cancel fee	On-time81%

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$827+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sri Lanka to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sri Lanka to Seattle

One-way flights from Sri Lanka to SeattleSearch for one-way flight options from Sri Lanka to Seattle. Find affordable one-way fares based on user searches. Data last updated December 20, 2025.

Search for one-way flight options from Sri Lanka to Seattle. Find affordable one-way fares based on user searches. Data last updated December 20, 2025.

Find 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 December 20, 2025.

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sri Lanka to Seattle that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Sri Lanka to Seattle

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Singapore Airlines from Sri Lanka to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

Traveling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sri Lanka to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Sri Lanka to Seattle

100% Free

Book with Flexibility

Travel Smart

One-way flights from Sri Lanka to Seattle
Search for one-way flight options from Sri Lanka to Seattle. Find affordable one-way fares based on user searches. Data last updated December 20, 2025.