HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sri Lanka

$608+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Sri Lanka with Cheapflights

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.

Find 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 October 30, 2025.

This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:00 pmSEA - CMB
1 stop21h 40mTurkish Airlines
Tue 12/97:40 amCMB - SEA
1 stop22h 55mTurkish Airlines
Deal found 10/30$971
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:29 amPDX - CMB
2 stops47h 01mChina Eastern
Wed 12/248:20 pmCMB - PDX
2 stops35h 25mChina Eastern
Deal found 10/29$1,079
This Travelocity deal was found by Cheapflights users on 10/30. 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.
Sun 11/305:45 amSEA - CMB
2 stops28h 15mMultiple Airlines
Mon 12/812:45 amCMB - SEA
2 stops27h 09mMultiple Airlines
Deal found 10/30$1,092
This Orbitz deal was found by Cheapflights users on 10/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:25 amSEA - CMB
2 stops28h 35mMultiple Airlines
Fri 11/1412:45 amCMB - SEA
2 stops30h 15mMultiple Airlines
Deal found 10/29$1,096
This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:29 amPDX - CMB
2 stops47h 01mChina Eastern
Thu 12/258:20 pmCMB - PDX
2 stops35h 25mChina Eastern
Deal found 10/29$1,120
This Indian Eagle deal was found by Cheapflights users on 10/30. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/24:05 pmSEA - CMB
1 stop40h 20mEmirates
Mon 12/152:40 amCMB - SEA
1 stop23h 25mEmirates
Deal found 10/30$1,139
This Orbitz deal was found by Cheapflights users on 10/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/29:30 pmPDX - CMB
2 stops36h 30mMultiple Airlines
Sun 11/2312:45 amCMB - PDX
2 stops34h 09mMultiple Airlines
Deal found 10/29$1,157
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:40 pmSEA - CMB
2 stops34h 35mMultiple Airlines
Tue 12/167:30 amCMB - SEA
2 stops43h 20mMultiple Airlines
Deal found 10/30$1,163
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:44 pmPDX - CMB
2 stops40h 16mCathay Pacific
Tue 12/2312:45 amCMB - PDX
2 stops26h 29mCathay Pacific
Deal found 10/29$1,173
This Gurufare deal was found by Cheapflights users on 10/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:35 pmPDX - CMB
2 stops39h 25mCathay Pacific
Tue 12/2312:45 amCMB - PDX
2 stops26h 29mCathay Pacific
Deal found 10/29$1,190
This Cathay Pacific deal was found by Cheapflights users on 10/29. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:41 pmPDX - CMB
2 stops40h 19mCathay Pacific
Sun 12/2112:45 amCMB - PDX
2 stops33h 45mCathay Pacific
Deal found 10/29$1,195
This Cathay Pacific deal was found by Cheapflights users on 10/30. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:30 pmPDX - CMB
2 stops36h 30mMultiple Airlines
Wed 11/1212:45 amCMB - PDX
2 stops33h 35mMultiple Airlines
Deal found 10/30$1,207

Cheap 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 October 30, 2025.

Round-trip from

$797
(FlightHub)

One-way from

$608
(TravelUp)

Popular in

June

Cheapest in

September

Average price

$1,003
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 ($157 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 October 2025
Search Deals

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 October 30, 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

Tue 2/3

8:45 am-10:45 am

1 stop36h 30m

Colombo Bandaranaike Intl

Thu 3/26

12:45 am-8:10 am

1 stop19h 55m

$824

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 1/28

12:59 pm-11:30 pm

2 stops45h 01m

Colombo Bandaranaike Intl

Sun 2/8

12:15 pm-7:10 am

1 stop56h 25m

$1,033

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 2/18

5:40 pm-11:30 pm

2 stops40h 20m

Colombo Bandaranaike Intl

Fri 3/6

12:45 am-7:10 am

1 stop19h 55m

$1,076

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 2/2

12:10 am-5:20 pm

2 stops27h 40m

Colombo Bandaranaike Intl

Fri 3/27

7:30 am-7:10 pm

2 stops24h 10m

$1,150

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 3/10

11:00 am-1:20 pm

2 stops37h 50m

Colombo Bandaranaike Intl

Wed 3/25

8:00 am-6:05 pm

1 stop22h 35m

$1,153

PortlandColombo

PDX - CMB

PDXCMB

Portland

Tue 1/13

4:51 pm-11:30 pm

2 stops41h 09m

Colombo Bandaranaike Intl

Wed 2/11

12:45 am-8:35 pm

2 stops33h 20m

$1,157

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 1/28

4:05 pm-2:45 am

1 stop21h 10m

Colombo Bandaranaike Intl

Sat 2/7

4:15 am-11:40 am

1 stop20h 55m

$1,180

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 1/26

7:00 pm-6:20 am

1 stop21h 50m

Colombo Bandaranaike Intl

Thu 2/5

7:40 am-5:05 pm

1 stop22h 55m

$1,187

PortlandColombo

PDX - CMB

PDXCMB

Portland

Wed 1/21

4:51 pm-11:30 pm

2 stops41h 09m

Colombo Bandaranaike Intl

Sun 2/15

12:45 am-4:28 pm

2 stops29h 13m

$1,195

PortlandColombo

PDX - CMB

PDXCMB

Portland

Mon 11/24

4:30 pm-11:30 pm

2 stops41h 30m

Colombo Bandaranaike Intl

Mon 12/22

12:45 am-9:00 pm

2 stops33h 45m

$1,195

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 24 results
1
2
3

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 $688). 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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from State of Washington to Sri Lanka at noon. If you’re flexible enough to do this you can expect to save up to 33% 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 36h 30m. Fly via Singapore Airlines or Cathay Pacific to get the fastest option. State of Washington and Sri Lanka are separated by a distance of 8420 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 $688). 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

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 Washington to Sri Lanka

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
John F Kennedy Intl to Haneda flights
Los Angeles to Narita flights
San Francisco to Haneda flights
Newark to Narita flights
Newark to Haneda flights
Newark to New Delhi flights
Seattle to Narita flights
Seattle to Haneda flights
Los Angeles to Manila flights
San Francisco to Narita flights
John F Kennedy Intl to Narita flights
John F Kennedy Intl to New Delhi flights
Los Angeles to Suvarnabhumi flights
John F Kennedy Intl to Suvarnabhumi flights
John F Kennedy Intl to Mumbai flights
San Francisco to New Delhi flights
San Francisco to Manila flights
John F Kennedy Intl to Ahmedabad flights
Dallas/Fort Worth to Narita flights
LaGuardia to Haneda flights
Dallas/Fort Worth to Haneda flights
Newark to Suvarnabhumi flights
Ontario to Narita flights
LaGuardia to Narita flights
O'Hare Intl to Narita flights
Newark to Ahmedabad flights
Newark to Mumbai flights
O'Hare Intl to Haneda flights
LaGuardia to Suvarnabhumi flights
Seattle to Suvarnabhumi flights
Dulles Intl to Haneda flights
LaGuardia to New Delhi flights
San Francisco to Taiwan Taoyuan Intl flights
San Francisco to Suvarnabhumi flights
Boston to Narita flights
John F Kennedy Intl to Hong Kong flights
Los Angeles to Incheon Intl flights
Dallas/Fort Worth to Hyderabad flights
Hobby to Haneda flights
John F Kennedy Intl to Taiwan Taoyuan Intl flights
Honolulu to Narita flights
O'Hare Intl to Suvarnabhumi flights
Los Angeles to Taiwan Taoyuan Intl flights
Dallas/Fort Worth to Suvarnabhumi flights
Dulles Intl to Suvarnabhumi flights
John F Kennedy Intl to Incheon Intl flights
John F Kennedy Intl to Manila flights
Los Angeles to Ho Chi Minh City flights
LaGuardia to Mumbai flights

Top 4 airlines flying from Washington to Sri Lanka

Discover the top 4 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$739Average$1,073FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$945Average$1,111FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,105Average$1,438FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,162Average$1,350FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.