The cheapest times to fly from CGP to SEA are

  • March 12th to March 25th
  • October 8th to October 21st
  • November 26th to February 4th (except the weeks of December 10th and January 1st)

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 CGP to SEA is mid October. Prices can be as high as $13100 for Thursday flights during mid to late November, or as low as $1431 for Monday flights around mid October.


When to Fly to Seattle

Flying from Chittagong (CGP) to Seattle, WA (SEA) will usually cost between $1522 to $7190 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid October with an average ticket price of $3070. Due to high demand the most expensive time to fly is mid to late November, with an average price of $4793. Planning your trip to low-cost times can easily save you $1723 on economy flights and even more on first-class flights. Generally, any price below $3854 can be considered a good price for a round-trip CGP to SEA flight.

See below for a graph of average weekly prices for the CGP to SEA route. All prices are for round-trip tickets in USD.

CGP to SEA Flight Prices

Compared to other flights, the CGP to SEA flight is more expensive than the average and costs about as much as the average flight leaving from Chittagong. The average price per mile (for a direct flight) is $0.33, which is in the normal range for a flight.


Flight Prices by Day of the Week

Monday is usually the cheapest day to depart and return on this flight. Thursdays are the most expensive days to fly to Seattle, and Tuesdays are the most expensive days to return to Chittagong. 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 $1687. Return trip prices are from the SEA to CGP flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from CGP to SEA 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.


Flight Hacking CGP to SEA

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 CGP to SEA — but Champion Traveler does!

Hack #1: Kolkata (CGP > CCU > SEA)

  • Price for both tickets: $1368
  • Average savings: $2486 (64.5%)

See CGP to BKK flights

Hack #2: Bangkok (CGP > BKK > SEA)

  • Price for both tickets: $1496
  • Average savings: $2358 (61.18%)

See CGP to CCU flights

Hack #3: Dhaka (CGP > DAC > SEA)

  • Price for both tickets: $1516
  • Average savings: $2339 (60.68%)

See CGP to DAC flights


Flight Questions Answered

Still have questions about flying from CGP to SEA? We’ve got answers.

Which airlines fly this route?

You can find 16 major airlines flying this route most often: Air Canada, Alaska, American, ANA, Bangkok Airways, Biman, Cathay Dragon, Cathay Pacific, China Southern, Delta, Emirates, Etihad, Lufthansa, Singapore Airlines, United, WestJet, and potentially more during busy seasons.

How far away is it from Seattle/Tacoma International Airport to Chittagong Airport?

The distance between the two airports is roughly 7172 miles or 11542 kilometers.

How long does it take to fly from CGP to SEA?

The real-world flight time for a nonstop CGP to SEA flight is about 13 hour 53 minutes.

How many flights go between Chittagong and Seattle, WA?

It depends on the day of the week and the date, but a typical day might have around 9 available flights from CGP to SEA.


Airport Location Info


Departing Airport

Origination codeCGP
Origination airport nameChittagong Airport

Return Airport

Destination codeSEA
Destination airport nameSeattle/Tacoma International Airport
CitySeattle, WA
Countrythe United States


Other Resources

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.