$1,247+ Flights from Washington, D.C. to Sri Lanka

One-way flight from Washington, D.C. (WAS) to Sri Lanka

Highest demand for flights based on searches. 9% potential increase in price ($130 potential increase over avg. RT price).

Cheapest flight prices on average. 5% potential price decrease ($58 potential savings vs. average RT price).

Average for round-trip flights in April 2025

Find flight deals from Washington, D.C. to Sri Lanka

Cheapest flights from Washington, D.C. to Sri Lanka
Explore the most affordable flight options available from Washington, D.C. to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Sat 4/2610:05 pmIAD - CMB

1 stop19h 15mEtihad Airways

Sun 5/114:30 pmCMB - IAD

1 stop33h 10mEtihad Airways

Deal found 4/21

$768

Tue 11/118:05 pmIAD - CMB

1 stop20h 10mQatar Airways

Mon 11/173:25 amCMB - IAD

1 stop23h 00mQatar Airways

Deal found 4/21

$838

Thu 9/189:00 pmIAD - CMB

1 stop19h 35mJetBlue

Sat 1/313:25 amCMB - IAD

1 stop23h 00mJetBlue

Deal found 4/20

$901

Mon 9/19:00 pmIAD - CMB

2 stops40h 25mMultiple Airlines

Tue 9/168:20 pmCMB - IAD

1 stop28h 50mMultiple Airlines

Deal found 4/21

$992

Mon 9/156:55 pmDCA - CMB

2 stops21h 40mQatar Airways

Mon 2/27:15 pmCMB - DCA

2 stops33h 14mQatar Airways

Deal found 4/20

$1,089

Fri 10/39:20 pmBWI - CMB

1 stop29h 55mMultiple Airlines

Fri 11/712:50 pmCMB - BWI

1 stop40h 25mMultiple Airlines

Deal found 4/21

$1,096

Wed 8/271:30 pmIAD - CMB

2 stops36h 50mIndiGo

Mon 9/812:50 pmCMB - IAD

2 stops40h 25mIndiGo

Deal found 4/21

$1,100

Wed 5/281:30 pmIAD - CMB

1 stop30h 15mTurkish Airlines

Wed 6/256:45 amCMB - IAD

1 stop38h 30mTurkish Airlines

Deal found 4/21

$1,141

Tue 4/229:00 pmIAD - CMB

1 stop20h 35mAlaska Airlines

Tue 4/2910:30 amCMB - IAD

1 stop31h 40mAlaska Airlines

Deal found 4/21

$1,150

Wed 8/278:07 pmIAD - CMB

2 stops41h 58mSingapore Airlines

Tue 9/911:05 amCMB - IAD

2 stops38h 24mSingapore Airlines

Deal found 4/20

$1,215

Thu 8/2812:16 pmDCA - CMB

2 stops49h 44mCathay Pacific

Sat 9/612:50 amCMB - DCA

2 stops55h 40mCathay Pacific

Deal found 4/21

$1,320

Mon 4/219:00 pmIAD - CMB

1 stop19h 35mAmerican Airlines

Sat 5/33:35 amCMB - IAD

1 stop21h 35mAmerican Airlines

Deal found 4/21

$1,321

Best flights from Washington, D.C. to Sri Lanka
Discover carefully curated flight deals from Washington, D.C. to Sri Lanka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Wed 5/710:05 pmIAD - CMB

1 stop31h 50mEtihad Airways

Fri 5/164:05 amCMB - IAD

1 stop21h 35mEtihad Airways

Deal found 4/22

$782

Mon 9/19:00 pmIAD - CMB

1 stop20h 35mQatar Airways

Tue 9/168:20 pmCMB - IAD

1 stop28h 50mQatar Airways

Deal found 4/21

$838

Thu 9/189:00 pmIAD - CMB

1 stop19h 35mJetBlue

Sat 1/313:25 amCMB - IAD

1 stop23h 00mJetBlue

Deal found 4/20

$901

Mon 9/19:00 pmIAD - CMB

2 stops40h 25mMultiple Airlines

Tue 9/168:20 pmCMB - IAD

1 stop28h 50mMultiple Airlines

Deal found 4/21

$992

Sat 9/131:30 pmIAD - CMB

2 stops36h 50mIndiGo

Mon 9/2212:50 pmCMB - IAD

2 stops40h 25mIndiGo

Deal found 4/22

$1,031

Wed 5/281:30 pmIAD - CMB

1 stop30h 15mTurkish Airlines

Wed 6/256:45 amCMB - IAD

1 stop38h 30mTurkish Airlines

Deal found 4/21

$1,141

Sat 8/211:00 amIAD - CMB

1 stop29h 35mAmerican Airlines

Mon 8/2511:25 amCMB - IAD

1 stop30h 45mAmerican Airlines

Deal found 4/22

$1,144

Sat 4/266:40 pmDCA - CMB

2 stops28h 25mAir Canada

Sun 5/1110:05 amCMB - DCA

2 stops45h 53mAir Canada

Deal found 4/21

$1,404

Mon 6/309:59 amDCA - CMB

2 stops52h 06mSingapore Airlines

Sun 7/1312:50 amCMB - DCA

2 stops54h 22mSingapore Airlines

Deal found 4/21

$1,973

Sat 4/266:59 pmDCA - CMB

2 stops43h 21mCathay Pacific

Sat 5/101:10 amCMB - DCA

2 stops41h 49mCathay Pacific

Deal found 4/21

$2,086

Sun 5/46:10 amDCA - CMB

2 stops25h 10mQatar Airways

Mon 5/123:35 amCMB - DCA

2 stops25h 55mQatar Airways

Deal found 4/22

$1,227

Sat 6/285:20 pmBWI - CMB

2 stops37h 45mEmirates

Sun 7/1310:05 pmCMB - BWI

2 stops33h 07mEmirates

Deal found 4/21

$2,458

Last-minute flights from Washington, D.C. to Sri Lanka
Discover last-minute flight deals from Washington, D.C. to Sri Lanka. Data last updated April 22, 2025 and is based on user searches.

Mon 4/219:00 pmIAD - CMB

1 stop19h 35mAmerican Airlines

Sat 5/33:35 amCMB - IAD

1 stop21h 35mAmerican Airlines

Deal found 4/21

$1,321

Tue 4/229:00 pmIAD - CMB

1 stop19h 35mJetBlue

Mon 4/283:35 amCMB - IAD

1 stop21h 35mJetBlue

Deal found 4/21

$1,148

Tue 4/229:00 pmIAD - CMB

1 stop20h 35mAlaska Airlines

Tue 4/2910:30 amCMB - IAD

1 stop31h 40mAlaska Airlines

Deal found 4/21

$1,150

Sat 4/2610:05 pmIAD - CMB

1 stop19h 15mEtihad Airways

Sun 5/114:30 pmCMB - IAD

1 stop33h 10mEtihad Airways

Deal found 4/21

$768

Sat 4/266:40 pmDCA - CMB

2 stops28h 25mAir Canada

Sun 5/1110:05 amCMB - DCA

2 stops45h 53mAir Canada

Deal found 4/21

$1,404

Thu 5/16:35 amDCA - CMB

2 stops24h 45mQatar Airways

Fri 5/93:35 amCMB - DCA

2 stops24h 46mQatar Airways

Deal found 4/22

$1,318

Thu 5/19:20 pmBWI - CMB

2 stops26h 10mBritish Airways

Sat 5/104:35 amCMB - BWI

2 stops24h 30mBritish Airways

Deal found 4/22

$2,665

Sun 5/46:10 amDCA - CMB

2 stops25h 10mQatar Airways

Mon 5/123:35 amCMB - DCA

2 stops25h 55mQatar Airways

Deal found 4/22

$1,227

Mon 5/129:00 pmIAD - CMB

1 stop19h 35mQatar Airways

Sun 5/253:35 amCMB - IAD

1 stop38h 35mQatar Airways

Deal found 4/22

$969

Thu 5/159:00 pmIAD - CMB

2 stops35h 00mMultiple Airlines

Sun 6/18:20 pmCMB - IAD

1 stop21h 50mMultiple Airlines

Deal found 4/21

$1,121

Fri 5/161:30 pmIAD - CMB

2 stops36h 50mIndiGo

Sun 6/812:50 pmCMB - IAD

2 stops40h 25mIndiGo

Deal found 4/21

$1,170

Fri 5/162:25 pmIAD - CMB

2 stops32h 40mAir Canada

Sun 6/810:05 amCMB - IAD

2 stops37h 06mAir Canada

Deal found 4/22

$1,399

One-way flights from Washington, D.C. to Sri Lanka
Search for one-way flight options from Washington, D.C. to Sri Lanka. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Wed 5/1411:00 amIAD - CMB

1 stop29h 35mQatar Airways

Deal found 4/21

$504

Wed 5/149:00 pmIAD - CMB

2 stops40h 40mMultiple Airlines

Deal found 4/21

$588

Wed 7/166:26 pmBWI - CMB

3 stops46h 34mMultiple Airlines

Deal found 4/20

$607

Fri 7/189:40 pmIAD - CMB

2 stops28h 40mIndiGo

Deal found 4/21

$672

Wed 5/146:35 amDCA - CMB

2 stops24h 45mQatar Airways

Deal found 4/21

$748

Wed 7/1610:05 pmIAD - CMB

1 stop24h 55mEtihad Airways

Deal found 4/20

$749

Fri 6/611:00 amIAD - CMB

1 stop19h 35mAir India

Deal found 4/21

$883

Wed 5/148:09 amBWI - CMB

2 stops32h 26mQatar Airways

Deal found 4/21

$984

Fri 7/187:01 pmDCA - CMB

3 stops24h 54mMultiple Airlines

Deal found 4/21

$1,106

Wed 7/169:59 amDCA - CMB

3 stops52h 06mSingapore Airlines

Deal found 4/20

$1,138

Thu 5/296:59 amDCA - CMB

2 stops40h 06mAir Canada

Deal found 4/21

$1,209

Thu 5/291:52 pmIAD - CMB

3 stops29h 13mAir Canada

Deal found 4/21

$1,258

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Sri Lanka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Thu 8/28

10:05 pm-8:40 pm

1 stop37h 05m

Colombo Bandaranaike Intl

Sun 9/7

4:30 pm-4:10 pm

1 stop33h 10m

$787

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Mon 9/1

9:00 pm-3:05 am

1 stop20h 35m

Colombo Bandaranaike Intl

Tue 9/16

8:20 pm-3:40 pm

1 stop28h 50m

$838

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Fri 9/12

9:00 pm-3:05 am

1 stop20h 35m

Colombo Bandaranaike Intl

Tue 2/3

3:25 am-3:55 pm

1 stop23h 00m

$936

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Mon 9/1

9:00 pm-10:55 pm

2 stops40h 25m

Colombo Bandaranaike Intl

Tue 9/16

8:20 pm-3:40 pm

1 stop28h 50m

$992

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 8/27

1:30 pm-11:50 am

2 stops36h 50m

Colombo Bandaranaike Intl

Mon 9/8

12:50 pm-7:45 pm

2 stops40h 25m

$1,100

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 5/28

1:30 pm-5:15 am

1 stop30h 15m

Colombo Bandaranaike Intl

Wed 6/25

6:45 am-11:45 am

1 stop38h 30m

$1,141

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Wed 8/27

8:07 pm-11:35 pm

2 stops41h 58m

Colombo Bandaranaike Intl

Tue 9/9

11:05 am-3:59 pm

2 stops38h 24m

$1,215

Washington, D.C.Colombo

DCA - CMB

DCACMB

Washington, D.C. Reagan-National

Sun 5/4

6:10 am-4:50 pm

2 stops25h 10m

Colombo Bandaranaike Intl

Mon 5/12

3:35 am-8:00 pm

2 stops25h 55m

$1,227

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Fri 6/27

11:00 am-4:05 pm

1 stop19h 35m

Colombo Bandaranaike Intl

Mon 7/14

8:20 am-7:40 am

1 stop32h 50m

$1,332

Washington, D.C.Colombo

IAD - CMB

IADCMB

Washington, D.C. Dulles Intl

Fri 5/16

2:25 pm-8:35 am

2 stops32h 40m

Colombo Bandaranaike Intl

Sun 6/8

10:05 am-1:41 pm

2 stops37h 06m

$1,399

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 37 results

Best time to book a flight from Washington, D.C. to Sri Lanka

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

What is the cheapest month to book a flight from Washington, D.C. to Sri Lanka?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Sri Lanka (average of $1,049). Flying from Washington, D.C. 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 WAS to LK?

When flying from Washington, D.C. 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

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

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

Peruse reviews from past customers who have flown with Singapore Airlines, Emirates and Cathay Pacific from Washington, D.C. to Sri Lanka to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

8.1

Very good

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.

8.1

Very good

8.1

Very good

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

3,205 reviews

8.1

Very good

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

850 reviews

8.1

Very good

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

3,561 reviews

8.1

Very good

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

1,202 reviews

8.1

Very good