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Cheap flights from Seattle to Colombo from $627

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Colombo departing on 8/22. 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
0 bags

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Find the cheapest flights from Seattle to Colombo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
10:15 am - 10:45 am
SEA
-
CMB
36h 00m
1 stop
Singapore Airlines Logo
12:50 am - 8:45 am
CMB
-
SEA
20h 25m
1 stop
$983Singapore Airlines
Tue, Sep 1 - Wed, Sep 30
Singapore Airlines Logo
10:15 am - 11:35 pm
SEA
-
CMB
24h 50m
1 stop
Singapore Airlines Logo
12:50 am - 8:45 am
CMB
-
SEA
20h 25m
1 stop
$1,027Singapore Airlines
Fri, Aug 28 - Sat, Sep 12
Multiple Airlines Logo
10:15 am - 10:45 am
SEA
-
CMB
36h 00m
1 stop
Multiple Airlines Logo
12:50 am - 8:42 pm
CMB
-
SEA
32h 22m
3 stops
$1,132Multiple Airlines
Fri, Aug 28 - Sat, Sep 12
Turkish Airlines Logo
7:10 pm - 5:20 am
SEA
-
CMB
21h 40m
1 stop
Turkish Airlines Logo
6:50 am - 5:15 pm
CMB
-
SEA
22h 55m
1 stop
$1,139Turkish Airlines
Mon, Aug 24 - Wed, Sep 16
Qatar Airways Logo
5:05 pm - 9:50 am
SEA
-
CMB
28h 15m
1 stop
Qatar Airways Logo
8:20 pm - 12:25 pm
CMB
-
SEA
28h 35m
1 stop
$1,170Qatar Airways
Mon, Jun 1 - Mon, Jun 15
Qatar Airways Logo
4:25 pm - 3:05 am
SEA
-
CMB
22h 10m
1 stop
Qatar Airways Logo
8:20 pm - 12:25 pm
CMB
-
SEA
28h 35m
1 stop
$1,174Qatar Airways
Mon, Aug 24 - Wed, Sep 16
Qatar Airways Logo
5:05 pm - 9:50 am
SEA
-
CMB
28h 15m
1 stop
Qatar Airways Logo
8:20 pm - 12:25 pm
CMB
-
SEA
28h 35m
1 stop
$1,180Qatar Airways
Mon, Jun 8 - Mon, Jun 15
Qatar Airways Logo
10:40 am - 2:05 am
SEA
-
CMB
26h 55m
2 stops
Qatar Airways Logo
3:35 am - 12:25 pm
CMB
-
SEA
21h 20m
1 stop
$1,193Qatar Airways
Tue, Sep 1 - Wed, Sep 30
Qatar Airways Logo
4:25 pm - 3:05 am
SEA
-
CMB
22h 10m
1 stop
Qatar Airways Logo
4:35 am - 12:25 pm
CMB
-
SEA
20h 20m
1 stop
$1,195Qatar Airways
Wed, Aug 26 - Mon, Sep 14
Qatar Airways Logo
10:44 am - 2:05 am
SEA
-
CMB
26h 51m
2 stops
Qatar Airways Logo
4:35 am - 12:25 pm
CMB
-
SEA
20h 20m
1 stop
$1,199Qatar Airways
Thu, Sep 10 - Mon, Sep 21

Emirates flights from Seattle to Colombo

Our best Emirates deals on Seattle to Colombo flight tickets
Emirates
Aug 25
SEA5:15 pmSeattle/Tacoma Intl
26h 45m
1 stop
CMB8:30 amColombo Bandaranaike Intl
Sep 14
CMB2:55 amColombo Bandaranaike Intl
23h 00m
1 stop
SEA1:25 pmSeattle/Tacoma Intl
$1,245
Emirates
Oct 13
SEA5:15 pmSeattle/Tacoma Intl
26h 45m
1 stop
CMB8:30 amColombo Bandaranaike Intl
Oct 16
CMB11:15 amColombo Bandaranaike Intl
38h 40m
2 stops
SEA1:25 pmSeattle/Tacoma Intl
$1,248
Emirates
May 22
SEA5:15 pmSeattle/Tacoma Intl
40h 25m
1 stop
CMB10:10 pmColombo Bandaranaike Intl
May 28
CMB10:05 amColombo Bandaranaike Intl
39h 50m
1 stop
SEA1:25 pmSeattle/Tacoma Intl
$1,264

Singapore Airlines flights from Seattle to Colombo

Our best Singapore Airlines deals on Seattle to Colombo flight tickets
Singapore Airlines
Sep 1
SEA10:15 amSeattle/Tacoma Intl
36h 00m
1 stop
CMB10:45 amColombo Bandaranaike Intl
Sep 30
CMB12:50 amColombo Bandaranaike Intl
20h 25m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$983
Singapore Airlines
Aug 28
SEA10:15 amSeattle/Tacoma Intl
24h 50m
1 stop
CMB11:35 pmColombo Bandaranaike Intl
Sep 12
CMB12:50 amColombo Bandaranaike Intl
20h 25m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$1,027
Singapore Airlines
Sep 18
SEA10:15 amSeattle/Tacoma Intl
24h 50m
1 stop
CMB11:35 pmColombo Bandaranaike Intl
Oct 3
CMB12:50 amColombo Bandaranaike Intl
20h 25m
1 stop
SEA8:45 amSeattle/Tacoma Intl
$1,208

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Colombo 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 May 12, 2026.
Use the filters below to find and compare flights from Seattle to Colombo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 9/1

10:15 am-10:45 am

1 stop36h 00m

Colombo Bandaranaike Intl

Wed 9/30

12:50 am-8:45 am

1 stop20h 25m

$983

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 8/28

10:15 am-11:35 pm

1 stop24h 50m

Colombo Bandaranaike Intl

Sat 9/12

12:50 am-8:45 am

1 stop20h 25m

$1,027

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Fri 8/28

10:15 am-10:45 am

1 stop36h 00m

Colombo Bandaranaike Intl

Sat 9/12

12:50 am-8:42 pm

3 stops32h 22m

$1,132

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 8/24

7:10 pm-5:20 am

1 stop21h 40m

Colombo Bandaranaike Intl

Wed 9/16

6:50 am-5:15 pm

1 stop22h 55m

$1,139

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 6/1

5:05 pm-9:50 am

1 stop28h 15m

Colombo Bandaranaike Intl

Mon 6/15

8:20 pm-12:25 pm

1 stop28h 35m

$1,170

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 8/24

4:25 pm-3:05 am

1 stop22h 10m

Colombo Bandaranaike Intl

Wed 9/16

8:20 pm-12:25 pm

1 stop28h 35m

$1,174

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 6/8

5:05 pm-9:50 am

1 stop28h 15m

Colombo Bandaranaike Intl

Mon 6/15

8:20 pm-12:25 pm

1 stop28h 35m

$1,180

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 9/1

10:40 am-2:05 am

2 stops26h 55m

Colombo Bandaranaike Intl

Wed 9/30

3:35 am-12:25 pm

1 stop21h 20m

$1,193
Quickest round-trip

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Wed 8/26

4:25 pm-3:05 am

1 stop22h 10m

Colombo Bandaranaike Intl

Mon 9/14

4:35 am-12:25 pm

1 stop20h 20m

$1,195

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 9/10

10:44 am-2:05 am

2 stops26h 51m

Colombo Bandaranaike Intl

Mon 9/21

4:35 am-12:25 pm

1 stop20h 20m

$1,199

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Colombo from

How to get the cheapest flight ticket from Seattle to Colombo

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 typical price of a round-trip flight between Seattle and Colombo?

What is the cheapest month to fly to Colombo?

The month of August is, on average, the cheapest month to fly to Colombo from Seattle, with most prices found around $122. If you are unable to visit Colombo during the month of August, then departing from Seattle during the month April is also very affordable. Most momondo users find prices during this month for around $594.

How far in advance should I book a flight from Seattle to Colombo?

You are more likely to see cheaper flights to Colombo from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Colombo for around $1,076 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colombo from Seattle for as low as $815 on momondo.

Cheap Seattle to Colombo flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Colombo

Fastest flight time

21h 10m

Direct flights

None
The fastest flight from Seattle to Colombo takes 21h 10m
There are no direct flights from Seattle to Colombo. There are no popular flight routes from Seattle to Colombo.
Search flight deals

Frequently asked questions about flying from Seattle to Colombo

  • How far is Seattle/Tacoma Intl to Colombo by plane?

    The straight-line distance from Seattle/Tacoma Intl to Colombo is 8426.3 mi. In terms of flight time, this usually takes a little over 21h 10m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Colombo?

    Prices for flights from Seattle/Tacoma Intl Airport to Colombo are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Colombo?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Colombo?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Colombo.

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

    The travel and health documents you'll need for your trip to Colombo may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colombo. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Colombo

Compare and see reviews for airlines that fly from Seattle to Colombo with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $626Free CancellationRating
8.2
1,511 reviews
Search Singapore Airlines flights
China EasternPriceFrom $832Free CancellationRating
7.3
211 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom $938Free CancellationRating
7.4
4,360 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom $946Free CancellationRating
7.6
1,329 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,028Free CancellationRating
7.4
3,728 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,191Free CancellationRating
8.1
3,571 reviews
Search Emirates flights

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Colombo from Seattle with this policy.

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

Once you have performed a search for Seattle to Colombo flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Colombo from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Sri Lanka

Fly into one of these airports located in Colombo

Airports listed have a maximum distance of 17.4 mi from Colombo
Colombo Bandaranaike Intl Airport
Colombo Diyawanna Oya Seaplane Base Airport