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$447+ Cheap flights from Washington 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Washington to Sri Lanka

Cheapest flights from Washington to Sri Lanka
Explore the most affordable flight options available from Washington to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:09 amSEA - CMB
3 stops34h 41mMultiple Airlines
Sat 12/275:05 pmCMB - SEA
2 stops51h 32mMultiple Airlines
Deal found 12/16$2,180
This FlightHub deal was found by Cheapflights users on 12/16. 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 12/214:05 pmSEA - CMB
1 stop21h 10mQatar Airways
Sat 12/2711:15 amCMB - SEA
1 stop37h 55mQatar Airways
Deal found 12/16$2,261
This Expedia deal was found by Cheapflights users on 12/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:58 amPDX - CMB
3 stops31h 52mMultiple Airlines
Thu 1/84:00 pmCMB - PDX
3 stops42h 18mMultiple Airlines
Deal found 12/18$2,440
This Ovago deal was found by Cheapflights users on 12/18. 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.
Mon 12/225:50 pmPDX - CMB
2 stops40h 10mCathay Pacific
Wed 1/712:45 amCMB - PDX
2 stops33h 33mCathay Pacific
Deal found 12/18$2,561
This Cathay Pacific deal was found by Cheapflights users on 12/16. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:48 pmSEA - CMB
2 stops42h 12mMultiple Airlines
Mon 12/2912:45 amCMB - SEA
2 stops33h 44mMultiple Airlines
Deal found 12/16$2,678
This Ovago deal was found by Cheapflights users on 12/16. 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.
Thu 12/187:10 amSEA - CMB
2 stops46h 20mChina Eastern
Sat 1/108:20 pmCMB - SEA
2 stops34h 08mChina Eastern
Deal found 12/16$2,859
This Ovago deal was found by Cheapflights users on 12/16. 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.
Fri 12/194:05 pmSEA - CMB
1 stop21h 10mQatar Airways
Tue 12/303:25 amCMB - SEA
1 stop21h 45mQatar Airways
Deal found 12/16$2,950
This FlightHub deal was found by Cheapflights users on 12/16. 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 12/164:05 pmSEA - CMB
1 stop27h 10mQatar Airways
Mon 12/294:15 amCMB - SEA
2 stops42h 52mQatar Airways
Deal found 12/16$2,959
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/194:05 pmSEA - CMB
1 stop20h 20mMultiple Airlines
Wed 12/317:15 pmCMB - SEA
2 stops38h 56mMultiple Airlines
Deal found 12/16$2,974
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:30 amSEA - CMB
3 stops38h 00mMultiple Airlines
Fri 1/25:05 pmCMB - SEA
2 stops39h 15mMultiple Airlines
Deal found 12/16$2,982
This FlightHub deal was found by Cheapflights users on 12/16. 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 12/164:05 pmSEA - CMB
1 stop26h 45mEmirates
Mon 12/292:40 amCMB - SEA
1 stop23h 25mEmirates
Deal found 12/16$2,990
This oojo deal was found by Cheapflights users on 12/18. 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 12/188:45 amSEA - CMB
1 stop25h 15mSingapore Airlines
Fri 1/912:45 amCMB - SEA
1 stop19h 55mSingapore Airlines
Deal found 12/18$3,032

Find flight deals from Washington to Sri Lanka

Keep the following information in mind while searching for Washington to Sri Lanka flight deals. Data was last updated December 18, 2025.

Round-trip from

$838
(oojo)

One-way from

$447
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,591
From Washington to Sri Lanka
Search Deals
One-way flight from Washington to Sri Lanka
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 December 18, 2025.
Use the filters below to find and compare flights from Washington to Sri Lanka that are best for you.

Fly from

Washington

Fly to

Sri Lanka

Route

Depart

Return

Price

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 3/21

9:45 am-11:30 pm

1 stop25h 15m

Colombo Bandaranaike Intl

Sat 3/28

12:45 am-8:45 am

1 stop20h 30m

$893

PortlandColombo

PDX - CMB

PDXCMB

Portland

Thu 1/29

7:24 am-7:00 pm

2 stops46h 06m

Colombo Bandaranaike Intl

Sun 2/8

8:20 pm-8:48 pm

2 stops37h 58m

$959

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 3/21

7:15 am-7:00 pm

2 stops47h 15m

Colombo Bandaranaike Intl

Sun 3/29

8:30 pm-5:09 pm

2 stops33h 09m

$961

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 3/10

9:45 am-10:45 am

1 stop36h 30m

Colombo Bandaranaike Intl

Tue 3/24

12:45 am-6:47 pm

3 stops30h 32m

$986

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 1/28

6:53 pm-7:00 pm

2 stops58h 37m

Colombo Bandaranaike Intl

Sun 2/8

8:20 pm-4:54 pm

2 stops34h 04m

$1,023

PortlandColombo

PDX - CMB

PDXCMB

Portland

Wed 4/1

1:45 pm-2:15 am

2 stops24h 00m

Colombo Bandaranaike Intl

Wed 4/29

3:15 am-4:44 pm

2 stops25h 59m

$1,034

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 1/29

3:45 pm-11:30 pm

2 stops42h 15m

Colombo Bandaranaike Intl

Wed 2/4

12:45 am-9:58 pm

2 stops34h 43m

$1,065

PortlandColombo

PDX - CMB

PDXCMB

Portland

Fri 1/30

4:51 pm-7:00 pm

2 stops60h 39m

Colombo Bandaranaike Intl

Sun 2/8

8:20 pm-8:48 pm

2 stops37h 58m

$1,066

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 1/25

3:57 pm-11:30 pm

2 stops42h 03m

Colombo Bandaranaike Intl

Sun 2/8

12:45 am-9:58 pm

2 stops34h 43m

$1,073

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 2/2

7:55 pm-11:30 pm

2 stops38h 05m

Colombo Bandaranaike Intl

Fri 2/6

12:45 am-10:46 pm

2 stops35h 31m

$1,076

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 31 results
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Best time to book a flight from Washington to Sri Lanka

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

What is the cheapest month to book a flight from State of Washington to Sri Lanka?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Sri Lanka (average of $674). Flying from State of Washington to Sri Lanka in June is currently the most expensive (average of $1,173). 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.

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

Find hourly flight availability from Washington to Sri Lanka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from State of Washington to Sri Lanka in the evening. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from State of Washington to Sri Lanka?

Use this chart to determine the cheapest time to fly round-trip from Washington to Sri Lanka. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Sri Lanka flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Washington to Sri Lanka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to Sri Lanka?

    There are many flights that can get you from State of Washington to Sri Lanka in 24h. Fly via Singapore Airlines, China Eastern, or Qatar Airways to get the fastest option. State of Washington and Sri Lanka are separated by a distance of 8529 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Sri Lanka?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Sri Lanka (average of $674). Flying from State of Washington to Sri Lanka in June is currently the most expensive (average of $1,173). 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

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Alternative routes for Washington to Sri Lanka

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Washington to Sri Lanka

Discover the top 5 airlines that operate flights from Washington 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$696Average$1,054FlexibilityNo cancel feeOn-time81%
China EasternCheapest$832Average$961FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$945Average$1,241FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,110Average$1,512FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,178Average$1,354FlexibilityNo cancel feeOn-time75%

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