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$310+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CMB
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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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 April 2, 2025.

Round-trip from

$992
(FlightHub)

One-way from

$310
(Justfly.com)

Popular in

June

Cheapest in

October

Average price

$1,210
From Washington to Sri Lanka
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One-way flight from Washington to Sri Lanka
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Highest demand for flights based on searches. 8% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 2, 2025.

This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2410:15 amSEA - CMB
1 stop34h 50mSingapore Airlines
Sat 9/2012:50 amCMB - SEA
1 stop20h 25mSingapore Airlines
Deal found 4/1$789
This FlightHub deal was found by Cheapflights users on 4/1. 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 4/287:10 pmSEA - CMB
1 stop21h 35mTurkish Airlines
Fri 5/166:45 amCMB - SEA
1 stop23h 00mTurkish Airlines
Deal found 4/1$992
This Justfly.com deal was found by Cheapflights users on 3/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:00 amPDX - CMB
2 stops29h 05mSingapore Airlines
Sat 11/112:45 amCMB - PDX
2 stops23h 40mSingapore Airlines
Deal found 3/31$1,040
This Travelocity deal was found by Cheapflights users on 4/1. 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.
Sat 4/266:00 amSEA - CMB
2 stops38h 20mMultiple Airlines
Sat 6/283:25 amCMB - SEA
2 stops43h 56mMultiple Airlines
Deal found 4/1$1,044
This Indian Eagle deal was found by Cheapflights users on 3/31. 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.
Mon 4/141:25 pmPDX - CMB
2 stops24h 10mQatar Airways
Thu 9/1811:25 amCMB - PDX
2 stops49h 04mQatar Airways
Deal found 3/31$1,071
This Air Canada deal was found by Cheapflights users on 4/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1012:20 pmSEA - CMB
2 stops31h 45mAir Canada
Thu 9/251:05 pmCMB - SEA
2 stops42h 56mAir Canada
Deal found 4/2$1,076
This FlightHub deal was found by Cheapflights users on 4/1. 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 4/84:30 pmSEA - CMB
1 stop21h 05mQatar Airways
Thu 5/83:35 amCMB - SEA
1 stop21h 40mQatar Airways
Deal found 4/1$1,104
This Singapore Airlines deal was found by Cheapflights users on 3/31. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:05 amPDX - CMB
2 stops29h 00mMultiple Airlines
Mon 9/1512:50 amCMB - PDX
2 stops25h 24mMultiple Airlines
Deal found 3/31$1,147
This oojo deal was found by Cheapflights users on 4/1. 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.
Sun 8/247:00 amSEA - CMB
2 stops28h 00mCathay Pacific
Sat 9/2012:50 amCMB - SEA
2 stops33h 46mCathay Pacific
Deal found 4/1$1,154
This Indian Eagle deal was found by Cheapflights users on 3/31. 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 4/85:15 pmSEA - CMB
1 stop26h 50mEmirates
Thu 5/298:35 pmCMB - SEA
2 stops29h 20mEmirates
Deal found 3/31$1,161
This oojo deal was found by Cheapflights users on 3/31. 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.
Sat 8/307:00 amPDX - CMB
2 stops28h 00mCathay Pacific
Sun 9/1412:50 amCMB - PDX
2 stops28h 10mCathay Pacific
Deal found 3/31$1,202
This KAYAK deal was found by Cheapflights users on 3/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2911:59 pmSEA - CMB
2 stops43h 01mEtihad Airways
Sat 12/134:20 amCMB - SEA
2 stops55h 59mEtihad Airways
Deal found 3/31$1,527

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 April 2, 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

Sun 8/24

10:15 am-9:35 am

1 stop34h 50m

Colombo Bandaranaike Intl

Sat 9/20

12:50 am-8:45 am

1 stop20h 25m

$789

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 4/28

7:10 pm-5:15 am

1 stop21h 35m

Colombo Bandaranaike Intl

Fri 5/16

6:45 am-5:15 pm

1 stop23h 00m

$992

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sat 4/26

6:00 am-8:50 am

2 stops38h 20m

Colombo Bandaranaike Intl

Sat 6/28

3:25 am-10:51 am

2 stops43h 56m

$1,044

PortlandColombo

PDX - CMB

PDXCMB

Portland

Mon 4/14

1:25 pm-2:05 am

2 stops24h 10m

Colombo Bandaranaike Intl

Thu 9/18

11:25 am-11:59 pm

2 stops49h 04m

$1,071

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 9/10

12:20 pm-8:35 am

2 stops31h 45m

Colombo Bandaranaike Intl

Thu 9/25

1:05 pm-7:31 pm

2 stops42h 56m

$1,076

PortlandColombo

PDX - CMB

PDXCMB

Portland

Tue 9/2

6:05 am-11:35 pm

2 stops29h 00m

Colombo Bandaranaike Intl

Tue 9/23

12:50 am-1:50 pm

2 stops25h 30m

$1,099

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 5/11

4:30 pm-3:05 am

1 stop22h 05m

Colombo Bandaranaike Intl

Tue 5/20

3:35 am-12:45 pm

1 stop21h 40m

$1,104

PortlandColombo

PDX - CMB

PDXCMB

Portland

Tue 9/2

6:05 am-11:35 pm

2 stops29h 00m

Colombo Bandaranaike Intl

Mon 9/15

12:50 am-1:44 pm

2 stops25h 24m

$1,147

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Sun 8/24

7:00 am-11:30 pm

2 stops28h 00m

Colombo Bandaranaike Intl

Sat 9/20

12:50 am-10:06 pm

2 stops33h 46m

$1,154

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 4/28

5:15 pm-8:10 am

1 stop26h 25m

Colombo Bandaranaike Intl

Thu 5/15

2:05 am-1:25 pm

1 stop23h 50m

$1,182

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 17 results
1
2

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, September is the cheapest month in which you can book a flight from State of Washington to Sri Lanka (average of $1,049). Flying from State of Washington to Sri Lanka in December is currently the most expensive (average of $1,850). 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 April 2, 2025.

When flying from State of Washington to Sri Lanka, 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 Sri Lanka by month

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

In terms of precipitation, rainfall in Sri Lanka ranges from 2.4 - 13.8 inches per month. October is typically the wettest month, when rainfall can reach 13.8 in. February is typically the driest time to visit Sri Lanka when rainfall is around 2.4 in.

Temperature in Sri Lanka by month

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

If weather is an important factor for your trip to Sri Lanka, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Sri Lanka

Get insights into the airlines that provide service to Sri Lanka. 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 Sri Lanka. Reviews last updated April 2, 2025.
See what other customers who have flown with Singapore Airlines, Emirates and Cathay Pacific from Washington to Sri Lanka have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,288 reviews

Boarding

8.2

Food

7.7

Comfort

7.9

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,288 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Boarding

8.2

Food

7.7

Comfort

7.9

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Emirates
8.0
Very good
3,193 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Boarding

8.2

Food

7.7

Comfort

7.9

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Cathay Pacific
7.5
Good
841 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Boarding

8.2

Food

7.7

Comfort

7.9

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qatar Airways
7.4
Good
3,540 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Boarding

8.2

Food

7.7

Comfort

7.9

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Etihad Airways
7.4
Good
1,184 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Boarding

8.2

Food

7.7

Comfort

7.9

Entertainment

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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.

  • 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, September is the cheapest month in which you can book a flight from State of Washington to Sri Lanka (average of $1,049). Flying from State of Washington to Sri Lanka in December is currently the most expensive (average of $1,850). 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$785Average$1,170FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$864Average$1,430FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$927Average$1,104FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$1,106Average$1,236FlexibilityNo cancel feeOn-time71%
EmiratesCheapest$1,129Average$1,354FlexibilityNo cancel feeOn-time75%

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