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Cheap flights from Washington to Colombo from $573

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Colombo departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Washington to Colombo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
10:15 am - 11:35 pmSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
24h 50m1 stop Singapore Changi
Singapore Airlines Logo
12:50 am - 8:45 amCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 25m1 stop Singapore Changi
$908Singapore Airlines
Tue, Sep 22 - Wed, Oct 21
Singapore Airlines Logo
8:45 am - 11:30 pmSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
25h 15m1 stop Singapore Changi
Singapore Airlines Logo
12:45 am - 7:10 amCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
19h 55m1 stop Singapore Changi
$908Singapore Airlines
Sun, Nov 1 - Fri, Nov 13
Multiple Airlines Logo
7:01 am - 7:00 pmPDX  Portland-CMB Colombo Bandaranaike Intl
46h 29m2 stops San Francisco Shanghai Pu Dong
Multiple Airlines Logo
8:20 pm - 11:10 pmCMB  Colombo Bandaranaike Intl-PDX Portland
40h 20m2 stops Shanghai Pu Dong Los Angeles
$1,035Multiple Airlines
Mon, Nov 9 - Mon, Nov 16
Multiple Airlines Logo
7:03 am - 7:00 pmPDX  Portland-CMB Colombo Bandaranaike Intl
47h 27m2 stops San Francisco Shanghai Pu Dong
Multiple Airlines Logo
8:30 pm - 11:16 pmCMB  Colombo Bandaranaike Intl-PDX Portland
39h 16m2 stops Shanghai Pu Dong Los Angeles
$1,076Multiple Airlines
Thu, Sep 17 - Sat, Oct 24
Qatar Airways Logo
4:25 pm - 2:05 amSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
21h 10m1 stop Doha Hamad Intl
Qatar Airways Logo
4:35 am - 12:45 pmCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 40m1 stop Doha Hamad Intl
$1,162Qatar Airways
Wed, Sep 2 - Thu, Sep 24
Qatar Airways Logo
4:50 pm - 1:55 amSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
20h 35m1 stop Doha Hamad Intl
Qatar Airways Logo
3:25 am - 11:40 amCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
21h 45m1 stop Doha Hamad Intl
$1,162Qatar Airways
Wed, Oct 28 - Sun, Nov 8
Emirates Logo
5:05 pm - 10:15 amSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
28h 40m2 stops Dubai Intl Male
Emirates Logo
8:15 pm - 12:35 pmCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
29h 50m2 stops Male Dubai Intl
$1,229Emirates
Wed, Oct 28 - Mon, Nov 9
Emirates Logo
5:05 pm - 8:20 amSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
26h 45m1 stop Dubai Intl
Emirates Logo
9:15 am - 1:35 pmCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
40h 50m1 stop Dubai Intl
$1,248Emirates
Mon, Oct 26 - Thu, Oct 29
Cathay Pacific Logo
6:10 am - 11:30 pmSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
28h 50m2 stops Los Angeles Hong Kong Intl
Cathay Pacific Logo
12:45 am - 7:08 amCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
42h 53m2 stops Hong Kong Intl Vancouver Intl
$2,522Cathay Pacific
Wed, Oct 14 - Tue, Oct 27
Cathay Pacific Logo
10:50 am - 11:30 pmSEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
23h 10m1 stop Hong Kong Intl
Cathay Pacific Logo
12:45 am - 6:43 pmCMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
31h 28m2 stops Hong Kong Intl Vancouver Intl
$2,529Cathay Pacific
Sat, Dec 12 - Fri, Jan 1

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Emirates flights from State of Washington to Colombo Bandaranaike Intl Airport

Our best Emirates deals on State of Washington to Colombo Bandaranaike Intl Airport flight tickets
Emirates
Oct 26
SEA5:05 pmSeattle/Tacoma Intl
36h 50m
2 stops
CMB6:25 pmColombo Bandaranaike Intl
Oct 29
CMB8:15 pmColombo Bandaranaike Intl
29h 50m
2 stops
SEA1:35 pmSeattle/Tacoma Intl
$1,248
Emirates
Nov 1
SEA4:05 pmSeattle/Tacoma Intl
36h 50m
2 stops
CMB6:25 pmColombo Bandaranaike Intl
Feb 25
CMB8:15 pmColombo Bandaranaike Intl
29h 50m
2 stops
SEA12:35 pmSeattle/Tacoma Intl
$1,284
Emirates
Sep 25
SEA5:15 pmSeattle/Tacoma Intl
35h 05m
1 stop
CMB4:50 pmColombo Bandaranaike Intl
Oct 1
CMB2:05 amColombo Bandaranaike Intl
23h 50m
1 stop
SEA1:25 pmSeattle/Tacoma Intl
$1,298

Qatar Airways flights from State of Washington to Colombo Bandaranaike Intl Airport

Our best Qatar Airways deals on State of Washington to Colombo Bandaranaike Intl Airport flight tickets
Qatar Airways
Sep 2
SEA4:25 pmSeattle/Tacoma Intl
21h 10m
1 stop
CMB2:05 amColombo Bandaranaike Intl
Sep 24
CMB4:35 amColombo Bandaranaike Intl
20h 40m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
$1,162
Qatar Airways
Oct 27
SEA4:50 pmSeattle/Tacoma Intl
27h 25m
1 stop
CMB8:45 amColombo Bandaranaike Intl
Nov 9
CMB3:25 amColombo Bandaranaike Intl
21h 45m
1 stop
SEA11:40 amSeattle/Tacoma Intl
$1,172
Qatar Airways
Oct 27
SEA9:59 amSeattle/Tacoma Intl
28h 16m
2 stops
CMB2:45 amColombo Bandaranaike Intl
Nov 9
CMB4:15 amColombo Bandaranaike Intl
20h 55m
1 stop
SEA11:40 amSeattle/Tacoma Intl
$1,187

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Colombo Bandaranaike Intl Airport 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, momondo users made 832,500 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Washington to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Tue 9/22

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Wed 10/21

12:50 am-8:45 am

1 stop20h 25m

$908

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sun 11/1

8:45 am-11:30 pm

1 stop25h 15m

Colombo Bandaranaike Intl

Fri 11/13

12:45 am-7:10 am

1 stop19h 55m

$908

PortlandColombo

PDX Portland - CMB Colombo Bandaranaike Intl

PDXCMB

Portland

Mon 11/9

7:01 am-7:00 pm

2 stops46h 29m

Colombo Bandaranaike Intl

Mon 11/16

8:20 pm-11:10 pm

2 stops40h 20m

$1,035

PortlandColombo

PDX Portland - CMB Colombo Bandaranaike Intl

PDXCMB

Portland

Thu 9/17

7:03 am-7:00 pm

2 stops47h 27m

Colombo Bandaranaike Intl

Sat 10/24

8:30 pm-11:16 pm

2 stops39h 16m

$1,076
Quickest round-trip

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Wed 9/2

4:25 pm-2:05 am

1 stop21h 10m

Colombo Bandaranaike Intl

Thu 9/24

4:35 am-12:45 pm

1 stop20h 40m

$1,162

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Wed 10/28

4:50 pm-1:55 am

1 stop20h 35m

Colombo Bandaranaike Intl

Sun 11/8

3:25 am-11:40 am

1 stop21h 45m

$1,162

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Wed 10/28

5:05 pm-10:15 am

2 stops28h 40m

Colombo Bandaranaike Intl

Mon 11/9

8:15 pm-12:35 pm

2 stops29h 50m

$1,229

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Mon 10/26

5:05 pm-8:20 am

1 stop26h 45m

Colombo Bandaranaike Intl

Thu 10/29

9:15 am-1:35 pm

1 stop40h 50m

$1,248

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Wed 10/14

6:10 am-11:30 pm

2 stops28h 50m

Colombo Bandaranaike Intl

Tue 10/27

12:45 am-7:08 am

2 stops42h 53m

$2,522

SeattleColombo

SEA Seattle/Tacoma Intl - CMB Colombo Bandaranaike Intl

SEACMB

Seattle/Tacoma Intl

Sat 12/12

10:50 am-11:30 pm

1 stop23h 10m

Colombo Bandaranaike Intl

Fri 1/1

12:45 am-6:43 pm

2 stops31h 28m

$2,529

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from State of Washington to Colombo Bandaranaike Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Colombo Bandaranaike Intl Airport?

If you aren’t able to travel during the month of January, then book flights to Colombo Bandaranaike Intl Airport from State of Washington during April instead. Flights to Colombo Bandaranaike Intl Airport in April, while not as cheap as those in January, still average around $849.

How far in advance should I book a flight from Washington to Colombo Bandaranaike Intl Airport?

You are more likely to see cheaper flights to Colombo Bandaranaike Intl Airport from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Colombo Bandaranaike Intl Airport for around $1,110 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colombo Bandaranaike Intl Airport from State of Washington for as low as $934 on momondo.

Can stopping save me money on State of Washington to Colombo Bandaranaike Intl Airport flights?

You could potentially save up to 20% on your flight if you consider stops on a State of Washington to Colombo Bandaranaike Intl Airport flight.

Cheap State of Washington to Colombo Bandaranaike Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Colombo Bandaranaike Intl Airport

Fastest flight time

20h 35m

Direct flights

None
The fastest flight from State of Washington to Colombo Bandaranaike Intl Airport takes 20h 35m
There are no direct flights from State of Washington to Colombo Bandaranaike Intl Airport. There are no popular flight routes from State of Washington to Colombo Bandaranaike Intl Airport.
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Frequently asked questions about flying from Washington to Colombo Bandaranaike Intl Airport

  • When did momondo last update prices for flights from Washington to Colombo Bandaranaike Intl Airport?

    Prices for flights from Washington to Colombo Bandaranaike Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Colombo Bandaranaike Intl Airport?

  • How old do you have to be to fly from Washington to Colombo Bandaranaike Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Colombo Bandaranaike Intl Airport.

  • What documentation or ID do you need to fly to Colombo Bandaranaike Intl Airport?

    The necessary travel and health documents for your Colombo Bandaranaike Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Colombo Bandaranaike Intl Airport

Compare and see reviews for airlines that fly from State of Washington to Colombo Bandaranaike Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $626Free CancellationRating
8.2
1,584 reviews
Search Singapore Airlines flights
China EasternPriceFrom $832Free CancellationRating
7.3
232 reviews
Search China Eastern flights
Qatar AirwaysPriceFrom $1,028Free CancellationRating
7.4
3,740 reviews
Search Qatar Airways flights
Cathay PacificPriceFrom $1,123Free CancellationRating
7.6
1,448 reviews
Search Cathay Pacific flights
EmiratesPriceFrom $1,162Free CancellationRating
8.1
3,649 reviews
Search Emirates flights

Traveling to a place near Colombo?

Book flights to Colombo if you plan to visit one of these locations
Negombo
Marawila

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Why should I use momondo to find a flight deal from Washington to Colombo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Colombo. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to Colombo with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington to Colombo flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington to Colombo?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Colombo from Washington.

I’m not ready to book a flight from Washington to Colombo right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Colombo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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