The cheapest times to fly from SEA to ZNZ are

  • January 1st to February 11th
  • April 2nd to April 29th
  • August 27th to December 16th

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 ZNZ is late October to early November. Prices can be as high as $4873 for Saturday flights during mid June, or as low as $1163 for Monday flights around late October to early November.


When to Fly to Zanzibar City

Flying from Seattle, WA (SEA) to Zanzibar (ZNZ) will usually cost between $1216 to $4293 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October to early November with an average ticket price of $1245. Due to high demand the most expensive time to fly is mid June, with an average price of $3917. Planning your trip to low-cost times can easily save you $2672 on economy flights and even more on first-class flights. Generally, any price below $2234 can be considered a good price for a round-trip SEA to ZNZ flight.

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

SEA to ZNZ Flight Prices

Compared to other flights, the SEA to ZNZ 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 fly to ZNZ, and Wednesday the cheapest day to fly back into SEA. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $581 (21%) 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 $1887. Return trip prices are from the ZNZ to SEA 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 SEA to ZNZ can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 17 hour 52 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 ZNZ while comparing.

Destination alternative #1: Julius Nyerere International Airport (DAR) in Dar Es Salaam

  • 45 miles (72 km) away from ZNZ
  • Usually 36.40% less expensive than ZNZ
  • 1-layover flights available

See SEA to DAR flights


Flight Hacking SEA to ZNZ

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 ZNZ — but Champion Traveler does!

Hack #1: Nairobi (SEA > NBO > ZNZ)

  • Price for both tickets: $1217
  • Average savings: $1017 (45.51%)

See SEA to NBO flights

Hack #2: New York, NY (SEA > JFK > ZNZ)

  • Price for both tickets: $1316
  • Average savings: $918 (41.08%)

See SEA to JFK flights

Hack #3: Washington, DC (SEA > IAD > ZNZ)

  • Price for both tickets: $1364
  • Average savings: $870 (38.93%)

See SEA to IAD flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 23 major airlines flying this route most often: Air Canada, Air France, Alaska, American, Austrian, British Airways, Condor, Delta, Emirates, Ethiopian, Finnair, Iberia, Kenya Airways, KLM, Lufthansa, Qantas, Qatar Airways, Singapore Airlines, South African, SWISS, Turkish Airlines, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from Abeid Amani Karume International Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 9385 miles or 15104 kilometers.

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

The real-world flight time for a nonstop SEA to ZNZ flight is about 17 hour 52 minutes.

How many flights go between Seattle, WA and Zanzibar?

It depends on the day of the week and the date, but a typical day might have around 46 available flights from SEA to ZNZ.


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 ZNZ
Destination airport name Abeid Amani Karume International Airport
City Zanzibar
Country Tanzania
Latitude -6.2
Longitude 39.2


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.