The cheapest times to fly from SEA to CGP are
- January 15th to February 25th (except the week of February 12th)
- March 12th to April 1st (except the week of March 19th)
- July 16th to October 21st (except the week of October 8th)
- November 26th to December 16th (except the week of December 3rd)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to CGP is early to mid September. Prices can be as high as $4945 for Tuesday flights during late December, or as low as $1133 for Monday flights around early to mid September.
When to Fly to Chittagong
Flying from Seattle, WA (SEA) to Chittagong (CGP) will usually cost between $1423 to $4267 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid September with an average ticket price of $1384. Due to high demand the most expensive time to fly is late December, with an average price of $2691. Planning your trip to low-cost times can easily save you $1307 on economy flights and even more on first-class flights. Generally, any price below $1781 can be considered a good price for a round-trip SEA to CGP flight.
See below for a graph of average weekly prices for the SEA to CGP route. All prices are for round-trip tickets in USD.
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Compared to other flights, the SEA to CGP flight is more expensive than the average and costs more than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.15, which is far below average.
Flight Prices by Day of the Week
Monday is usually the cheapest day to depart and return on this flight. Tuesdays are the most expensive days to fly to Chittagong, and Thursdays are the most expensive days to return to Seattle. Selecting flights on the least expensive days could save you up to $3474 (48%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1689. Return trip prices are from the CGP to SEA flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
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Return Trip Prices by Day
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Nonstop Flights and Layovers
Travelers looking to fly from SEA to CGP can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 13 hour 53 minutes may not be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SEA to CGP while comparing.
- 142 miles (229 km) away from CGP
- Usually 34.67% less expensive than CGP
- 1-layover flights available
Flight Hacking SEA to CGP
Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SEA to CGP — but Champion Traveler does!
- Price for both tickets: $1114
- Average savings: $668 (37.48%)
- Price for both tickets: $1257
- Average savings: $524 (29.42%)
- Price for both tickets: $1395
- Average savings: $387 (21.7%)
Flight Questions Answered
Still have questions about flying from SEA to CGP? We’ve got answers.
Which airlines fly this route?
You can find 21 major airlines flying this route most often: Air Canada, Air France, Alaska, American, ANA, Bangkok Airways, Biman, Cathay Dragon, Cathay Pacific, China Southern, Delta, Emirates, Etihad, KLM, Lufthansa, Qantas, Singapore Airlines, SWISS, United, Virgin Atlantic, WestJet, and potentially more during busy seasons.
How far away is it from Chittagong Airport to Seattle/Tacoma International Airport?
The distance between the two airports is roughly 7172 miles or 11542 kilometers.
How long does it take to fly from SEA to CGP?
The real-world flight time for a nonstop SEA to CGP flight is about 13 hour 53 minutes.
How many flights go between Seattle, WA and Chittagong?
It depends on the day of the week and the date, but a typical day might have around 15 available flights from SEA to CGP.
Airport Location Info
Departing Airport
Origination code | SEA |
Origination airport name | Seattle/Tacoma International Airport |
City | Seattle, WA |
Country | the United States |
Latitude | 47.5 |
Longitude | -122.3 |
Return Airport
Destination code | CGP |
Destination airport name | Chittagong Airport |
City | Chittagong |
Country | Bangladesh |
Latitude | 22.3 |
Longitude | 91.8 |
Other Resources
Flights to CGP
Flights from CGP
Popular Flights
Flights to SEA
Flights from SEA
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.