SEA - CMB

C$ 1,284 Find Cheap Flights from Seattle to Colombo – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 1,284
Typical prices: C$ 1,377-C$ 1,955
Singapore Airlines
Sun 6/5Sat 26/5
SEA - CMB • 1 stop
Cheapest one-way flights
C$ 1,527
Typical prices: C$ 767-C$ 1,104
Emirates
Sun 28/1
SEA - CMB • 1 stop
Direct flights
Not available
There are currently no direct flights between Seattle and Colombo Bandaranaike Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
10 weeks
in advance
Our data shows that travellers who book at least 10 weeks in advance save around 31% compared to booking last minute.
Insights
Insights
When to travel
April
Cheapest • 27% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Singapore Changi (SIN)
Cheapest • Avg C$ 1,631 (round-trip)
Hong Kong Intl (HKG)
Shortest trip • 22h 27m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Colombo Bandaranaike Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Bandaranaike Intl (SEA-CMB)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Bandaranaike Intl

Thu, 6 May - Wed, 26 May
Singapore Airlines Logo
10:15 a.m. - 11:35 p.m.SEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
24h 50m1 stop Singapore Changi
Singapore Airlines Logo
12:50 a.m. - 8:45 a.m.CMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 25m1 stop Singapore Changi
C$ 1,284Singapore Airlines
2 days ago
Thu, 6 May - Fri, 28 May
Singapore Airlines Logo
10:15 a.m. - 11:35 p.m.SEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
24h 50m1 stop Singapore Changi
Singapore Airlines Logo
12:50 a.m. - 8:45 a.m.CMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 25m1 stop Singapore Changi
C$ 1,284Singapore Airlines
2 days ago
Thu, 6 May - Sat, 29 May
Singapore Airlines Logo
10:15 a.m. - 11:35 p.m.SEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
24h 50m1 stop Singapore Changi
Singapore Airlines Logo
12:50 a.m. - 8:45 a.m.CMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 25m1 stop Singapore Changi
C$ 1,284Singapore Airlines
2 days ago
Thu, 6 May - Mon, 24 May
Singapore Airlines Logo
10:15 a.m. - 11:35 p.m.SEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
24h 50m1 stop Singapore Changi
Singapore Airlines Logo
12:50 a.m. - 8:45 a.m.CMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 25m1 stop Singapore Changi
C$ 1,284Singapore Airlines
2 days ago
Fri, 7 May - Sat, 29 May
Singapore Airlines Logo
10:15 a.m. - 11:35 p.m.SEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
24h 50m1 stop Singapore Changi
Singapore Airlines Logo
12:50 a.m. - 8:45 a.m.CMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 25m1 stop Singapore Changi
C$ 1,284Singapore Airlines
2 days ago
Sat, 8 May - Sat, 29 May
Singapore Airlines Logo
10:15 a.m. - 11:35 p.m.SEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
24h 50m1 stop Singapore Changi
Singapore Airlines Logo
12:50 a.m. - 8:45 a.m.CMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 25m1 stop Singapore Changi
C$ 1,284Singapore Airlines
2 days ago
Thu, 6 May - Thu, 27 May
Singapore Airlines Logo
10:15 a.m. - 11:35 p.m.SEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
24h 50m1 stop Singapore Changi
Singapore Airlines Logo
12:50 a.m. - 8:45 a.m.CMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 25m1 stop Singapore Changi
C$ 1,284Singapore Airlines
2 days ago
Sat, 8 May - Mon, 24 May
Singapore Airlines Logo
10:15 a.m. - 11:35 p.m.SEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
24h 50m1 stop Singapore Changi
Singapore Airlines Logo
12:50 a.m. - 8:45 a.m.CMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
20h 25m1 stop Singapore Changi
C$ 1,284Singapore Airlines
2 days ago
Tue, 5 Jan - Tue, 2 Feb
Emirates Logo
4:05 p.m. - 4:20 p.m.SEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
34h 45m1 stop Dubai Intl
Emirates Logo
9:45 p.m. - 1:35 p.m.CMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
29h 20m1 stop Dubai Intl
C$ 1,771Emirates
3+ days ago
Tue, 5 Jan - Sun, 31 Jan
Emirates Logo
4:05 p.m. - 9:55 p.m.SEA  Seattle/Tacoma Intl-CMB Colombo Bandaranaike Intl
40h 20m1 stop Dubai Intl
Emirates Logo
1:45 a.m. - 1:35 p.m.CMB  Colombo Bandaranaike Intl-SEA Seattle/Tacoma Intl
25h 20m1 stop Dubai Intl
C$ 1,771Emirates
3+ days ago
Booking Insights

Price, demand, and travel trends for Seattle to Colombo Bandaranaike Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Seattle to Colombo Bandaranaike Intl Airport?

Round-trip flights from Seattle to Colombo Bandaranaike Intl Airport typically range from C$ 1,377 to C$ 1,955. The lowest price found in the past 5 days was C$ 1,284, on Singapore Airlines.

What's the cheapest day of the week to fly from Seattle to Colombo Bandaranaike Intl Airport?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Seattle to Colombo Bandaranaike Intl Airport. It's 16% cheaper than the average day, while Monday is the most expensive, with prices 14% higher.

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

•April is the cheapest month to fly from Seattle to Colombo Bandaranaike Intl Airport at C$ 1,211 round-trip.
•December (C$ 2,597) and July (C$ 1,905) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 114% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Seattle to Colombo Bandaranaike Intl Airport the cheapest?

Flights from Seattle to Colombo Bandaranaike Intl Airport are cheapest 10 weeks before departure. Booking in this window typically costs about 31% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Seattle to Colombo Bandaranaike Intl Airport flights

Low season

September

Cheapest flight

C$ 1,284
Beat the crowds with an average 61% drop in traveller numbers.
The most popular month to fly with an average 44% increase in traveller numbers.
Round-trip flight from Seattle to Colombo Bandaranaike Intl Airport

When to book flights from Seattle to Bandaranaike Intl

Are your dates flexible? Find out the best times to travel from Seattle to Bandaranaike Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Colombo Bandaranaike Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Seattle to Colombo Bandaranaike Intl Airport?

    Only Economy Class is available on flights from Seattle to Colombo Bandaranaike Intl Airport.

  • How long does a flight from Seattle to Colombo Bandaranaike Intl Airport take?

    A direct flight from Seattle to Colombo Bandaranaike Intl Airport takes 00m, covering 21,807 km.

  • Do I need a passport to fly from Seattle to Colombo Bandaranaike Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Seattle to Colombo Bandaranaike Intl Airport flight?

    Round-trip flights from Seattle to Colombo Bandaranaike Intl Airport range from C$ 1,377 to C$ 1,955, with an average of C$ 1,660 over the past 12 months. Anything below C$ 1,377 counts as a good deal.

  • How expensive are last-minute Seattle to Colombo Bandaranaike Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) are 4% below the route average of C$ 1,660. Booking late can sometimes save you money, but availability is limited.

  • Have flight prices from Seattle to Colombo Bandaranaike Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 1,284 to C$ 9,975. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Seattle to Colombo Bandaranaike Intl Airport looking right now?

    One-way fares from Seattle to Colombo Bandaranaike Intl Airport are currently higher than usual. Average one-way flight prices are about C$ 2,743, which is 196% above the typical average for this route.

  • What car rental options are available at Colombo Bandaranaike Intl Airport (CMB)?

    Colombo Bandaranaike Intl Airport (CMB) hosts 5 major car rental companies, with daily rates averaging C$ 61 for economy cars. Top options include:

    • Xdrive Mobility
    • GREEN MOTION
    • AcaRent
    • Ace
    • CarWiz

  • Which airports can I use when flying from Seattle to Colombo Bandaranaike Intl Airport?

    Flights from Seattle to Colombo Bandaranaike Intl Airport usually depart from Seattle/Tacoma Intl (SEA) and arrive at Colombo Bandaranaike Intl (CMB).

  • Which airports do connecting flights from Seattle to Colombo Bandaranaike Intl Airport pass through?

    One-stop flights from Seattle to Colombo Bandaranaike Intl Airport most commonly connect through:

    • Singapore Changi (SIN) – 68% of one-stop connections
    • Doha Hamad Intl (DOH) – 14% of one-stop connections
    • London Heathrow (LHR) – 5% of one-stop connections
    • Hong Kong Intl (HKG) – 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Seattle to Colombo Bandaranaike Intl Airport?

    Yes. Flexible dates can save you up to 26% on flights from Seattle to Colombo Bandaranaike Intl Airport. Sunday is the cheapest departure day at C$ 1,405 round-trip on average, while Monday is the most expensive at C$ 1,898, a difference of C$ 492.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport when travelling from Seattle to Colombo Bandaranaike Intl Airport?

    Flying via Hong Kong Intl (HKG) gives the shortest average 1-stop total travel time at 22h 27m, compared with 22h 49m via Doha Hamad Intl (DOH) and 23h 15m via Istanbul (IST).

  • What is the time difference between Seattle and Colombo Bandaranaike Intl Airport?

    Colombo Bandaranaike Intl Airport is 13 hours ahead of Seattle (India Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Seattle to Colombo Bandaranaike Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Monday. On this route, Sunday flights average C$ 1,405, about C$ 492 less than Monday fares (26% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 31% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Colombo Bandaranaike Intl Airport trip for April. Fares historically average C$ 1,211 round-trip in that month – typically C$ 1,385 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Seattle to Bandaranaike Intl

Complete your trip to Colombo with a hotel stay or car rental

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