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Cheap flights from Seattle to Colombo from $427

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 9/11. 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 Seattle to Colombo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:20 pm - 10:45 am
SEA
-
CMB
29h 55m
2 stops
Multiple Airlines Logo
11:45 am - 8:45 am
CMB
-
SEA
33h 30m
1 stop
$1,035Multiple Airlines
Mon, Oct 5 - Mon, Oct 19
Turkish Airlines Logo
12:35 pm - 5:20 am
SEA
-
CMB
28h 15m
1 stop
Turkish Airlines Logo
6:50 am - 5:15 pm
CMB
-
SEA
22h 55m
1 stop
$1,108Turkish Airlines
Mon, Aug 31 - Fri, Sep 25
Qatar Airways Logo
4:25 pm - 2:05 am
SEA
-
CMB
21h 10m
1 stop
Qatar Airways Logo
8:20 pm - 12:25 pm
CMB
-
SEA
28h 35m
1 stop
$1,113Qatar Airways
Mon, Oct 5 - Mon, Oct 19
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
$1,123Turkish Airlines
Tue, May 19 - Tue, May 26
Qatar Airways Logo
11:31 am - 2:05 am
SEA
-
CMB
26h 04m
2 stops
Qatar Airways Logo
3:35 am - 12:25 pm
CMB
-
SEA
21h 20m
1 stop
$1,134Qatar Airways
Mon, Oct 5 - Wed, Oct 21
Qatar Airways Logo
4:25 pm - 2:05 am
SEA
-
CMB
21h 10m
1 stop
Qatar Airways Logo
8:20 pm - 5:39 pm
CMB
-
SEA
33h 49m
2 stops
$1,143Qatar Airways
Mon, Aug 31 - Fri, Sep 25
Multiple Airlines Logo
9:50 am - 2:05 am
SEA
-
CMB
27h 45m
2 stops
Multiple Airlines Logo
4:35 am - 6:56 pm
CMB
-
SEA
26h 51m
2 stops
$1,151Multiple Airlines
Mon, Oct 5 - Mon, Oct 19
Emirates Logo
5:15 pm - 10:10 pm
SEA
-
CMB
40h 25m
1 stop
Emirates Logo
8:35 pm - 1:25 pm
CMB
-
SEA
29h 20m
2 stops
$1,164Emirates
Tue, May 19 - Tue, May 26
Emirates Logo
5:15 pm - 6:30 pm
SEA
-
CMB
36h 45m
2 stops
Emirates Logo
11:15 am - 1:25 pm
CMB
-
SEA
38h 40m
2 stops
$1,165Emirates
Mon, Aug 31 - Fri, Sep 25
Qatar Airways Logo
4:25 pm - 2:05 am
SEA
-
CMB
21h 10m
1 stop
Qatar Airways Logo
8:20 pm - 12:25 pm
CMB
-
SEA
28h 35m
1 stop
$1,200Qatar Airways
Thu, Sep 10 - Mon, Sep 14

Turkish Airlines flights from Seattle to Colombo

Our best Turkish Airlines deals on Seattle to Colombo flight tickets
Turkish Airlines
Aug 31
SEA12:35 pmSeattle/Tacoma Intl
28h 15m
1 stop
CMB5:20 amColombo Bandaranaike Intl
Sep 25
CMB6:50 amColombo Bandaranaike Intl
22h 55m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$1,108
Turkish Airlines
May 19
SEA7:10 pmSeattle/Tacoma Intl
21h 40m
1 stop
CMB5:20 amColombo Bandaranaike Intl
May 26
CMB6:50 amColombo Bandaranaike Intl
22h 55m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$1,123

Qatar Airways flights from Seattle to Colombo

Our best Qatar Airways deals on Seattle to Colombo flight tickets
Qatar Airways
Oct 5
SEA4:25 pmSeattle/Tacoma Intl
21h 10m
1 stop
CMB2:05 amColombo Bandaranaike Intl
Oct 19
CMB8:20 pmColombo Bandaranaike Intl
28h 35m
1 stop
SEA12:25 pmSeattle/Tacoma Intl
$1,113
Qatar Airways
Oct 5
SEA11:31 amSeattle/Tacoma Intl
26h 04m
2 stops
CMB2:05 amColombo Bandaranaike Intl
Oct 21
CMB3:35 amColombo Bandaranaike Intl
21h 20m
1 stop
SEA12:25 pmSeattle/Tacoma Intl
$1,134
Qatar Airways
Aug 31
SEA4:25 pmSeattle/Tacoma Intl
21h 10m
1 stop
CMB2:05 amColombo Bandaranaike Intl
Sep 25
CMB8:20 pmColombo Bandaranaike Intl
33h 49m
2 stops
SEA5:39 pmSeattle/Tacoma Intl
$1,143

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 April 9, 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

Mon 10/5

4:20 pm-10:45 am

2 stops29h 55m

Colombo Bandaranaike Intl

Mon 10/19

11:45 am-8:45 am

1 stop33h 30m

$1,035

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 8/31

12:35 pm-5:20 am

1 stop28h 15m

Colombo Bandaranaike Intl

Fri 9/25

6:50 am-5:15 pm

1 stop22h 55m

$1,108

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 10/5

4:25 pm-2:05 am

1 stop21h 10m

Colombo Bandaranaike Intl

Mon 10/19

8:20 pm-12:25 pm

1 stop28h 35m

$1,113
Quickest round-trip

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 5/19

7:10 pm-5:20 am

1 stop21h 40m

Colombo Bandaranaike Intl

Tue 5/26

6:50 am-5:15 pm

1 stop22h 55m

$1,123

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 10/5

11:31 am-2:05 am

2 stops26h 04m

Colombo Bandaranaike Intl

Wed 10/21

3:35 am-12:25 pm

1 stop21h 20m

$1,134

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 8/31

4:25 pm-2:05 am

1 stop21h 10m

Colombo Bandaranaike Intl

Fri 9/25

8:20 pm-5:39 pm

2 stops33h 49m

$1,143

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 10/5

9:50 am-2:05 am

2 stops27h 45m

Colombo Bandaranaike Intl

Mon 10/19

4:35 am-6:56 pm

2 stops26h 51m

$1,151

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Tue 5/19

5:15 pm-10:10 pm

1 stop40h 25m

Colombo Bandaranaike Intl

Tue 5/26

8:35 pm-1:25 pm

2 stops29h 20m

$1,164

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Mon 8/31

5:15 pm-6:30 pm

2 stops36h 45m

Colombo Bandaranaike Intl

Fri 9/25

11:15 am-1:25 pm

2 stops38h 40m

$1,165

SeattleColombo

SEA - CMB

SEACMB

Seattle/Tacoma Intl

Thu 9/10

4:25 pm-2:05 am

1 stop21h 10m

Colombo Bandaranaike Intl

Mon 9/14

8:20 pm-12:25 pm

1 stop28h 35m

$1,200

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 January is, on average, the cheapest month to fly to Colombo from Seattle, with most prices found around $732. If you are unable to visit Colombo during the month of January, then departing from Seattle during the month March is also very affordable. Most momondo users find prices during this month for around $930.

How far in advance should I book a flight 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 $1,103 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 $840 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 $645Free CancellationRating
8.2
1,491 reviews
Search Singapore Airlines flights
China EasternPriceFrom $832Free CancellationRating
7.2
200 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom $938Free CancellationRating
7.3
4,302 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom $946Free CancellationRating
7.6
1,262 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,028Free CancellationRating
7.4
3,729 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,181Free CancellationRating
8.1
3,559 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