$508 Cheap Flights from Washington (IAD) to Zanzibar (ZNZ)

View $508 flight on Mon, Aug 25, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Zanzibar Intl. Airport (ZNZ)

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Cheap Flights from Washington to Zanzibar (IAD-ZNZ)

Prices were available within the past 7 days and start at $508 for one-way flights and $900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Nov 8 - Sat, Nov 15
IAD
Washington
ZNZ
Zanzibar
$900 Roundtrip, found 21 hours ago
$900
Roundtrip
found 21 hours ago
Select United flight, departing Sat, Nov 8 from Washington to Zanzibar, returning Sat, Nov 15, priced at $900 found 21 hours ago
Swiss International Air Lines
Thu, Nov 27 - Sat, Dec 6
IAD
Washington
ZNZ
Zanzibar
$919 Roundtrip, found 19 hours ago
$919
Roundtrip
found 19 hours ago
Select Swiss International Air Lines flight, departing Thu, Nov 27 from Washington to Zanzibar, returning Sat, Dec 6, priced at $919 found 19 hours ago
Delta
Tue, Oct 28 - Wed, Nov 5
IAD
Washington
ZNZ
Zanzibar
$922 Roundtrip, found 4 hours ago
$922
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Oct 28 from Washington to Zanzibar, returning Wed, Nov 5, priced at $922 found 4 hours ago
Delta
Sun, Oct 26 - Wed, Nov 5
IAD
Washington
ZNZ
Zanzibar
$927 Roundtrip, found 4 hours ago
$927
Roundtrip
found 4 hours ago
Select Delta flight, departing Sun, Oct 26 from Washington to Zanzibar, returning Wed, Nov 5, priced at $927 found 4 hours ago
Swiss International Air Lines
Thu, Oct 30 - Tue, Nov 4
IAD
Washington
ZNZ
Zanzibar
$930 Roundtrip, found 4 days ago
$930
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Thu, Oct 30 from Washington to Zanzibar, returning Tue, Nov 4, priced at $930 found 4 days ago
Lufthansa
Tue, Nov 18 - Tue, Nov 25
IAD
Washington
ZNZ
Zanzibar
$968 Roundtrip, found 4 days ago
$968
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Tue, Nov 18 from Washington to Zanzibar, returning Tue, Nov 25, priced at $968 found 4 days ago
KLM
Mon, Jan 19 - Wed, Jan 28
IAD
Washington
ZNZ
Zanzibar
$974 Roundtrip, found 6 days ago
$974
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Jan 19 from Washington to Zanzibar, returning Wed, Jan 28, priced at $974 found 6 days ago
Air France
Tue, Mar 3 - Mon, Mar 16
IAD
Washington
ZNZ
Zanzibar
$974 Roundtrip, found 17 hours ago
$974
Roundtrip
found 17 hours ago
Select Air France flight, departing Tue, Mar 3 from Washington to Zanzibar, returning Mon, Mar 16, priced at $974 found 17 hours ago
American Airlines
Thu, Mar 12 - Tue, Mar 17
IAD
Washington
ZNZ
Zanzibar
$993 Roundtrip, found 17 hours ago
$993
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Mar 12 from Washington to Zanzibar, returning Tue, Mar 17, priced at $993 found 17 hours ago
Turkish Airlines
Thu, Mar 5 - Fri, Mar 13
IAD
Washington
ZNZ
Zanzibar
$1,007 Roundtrip, found 5 days ago
$1,007
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Thu, Mar 5 from Washington to Zanzibar, returning Fri, Mar 13, priced at $1,007 found 5 days ago

Find the cheapest month to fly from Washington (IAD) to Zanzibar Town (ZNZ)

November is typically the cheapest month to fly

From $901 - $1,157 per traveler.

Graph displaying average flight prices per month

Alternative airports near Zanzibar Town

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Zanzibar Intl. ZNZ. Cheapest option available. Flights from $2,114
ZNZ
Zanzibar Intl.
Cheapest
Flights from $2,114
Flights from Washington (IAD) to Zanzibar (ZNZ)
Origin airport
Washington Dulles Intl.
Destination airport
Zanzibar Intl.
Airlines serving
Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Emirates, Ethiopian Airlines, JetBlue Airways, KLM, Kenya Airways, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$900
Distance
7912 mi

Washington to Zanzibar Flights

The cheapest times to fly from Washington to Zanzibar

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Zanzibar are during the month of November. You can find some of the cheapest flights from Washington to Zanzibar with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Zanzibar

Sunday is one of the best days to book for cheap flights from Washington to Zanzibar: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Zanzibar

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Zanzibar in 2025. You can also book with separate airlines for your outbound and return journeys, from $508 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Zanzibar flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Zanzibar airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Zanzibar Intl. Airport (ZNZ) cost?
Discover the latest flight deals from IAD to ZNZ by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IAD to ZNZ?
The cheapest flights from IAD to ZNZ are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAD to ZNZ?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IAD to ZNZ. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Zanzibar Intl. Airport (ZNZ)?
You'll need to hop on a flight with a layover when traveling from Washington Dulles Intl. Airport (IAD) to Zanzibar Intl. Airport (ZNZ). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from IAD to ZNZ?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Zanzibar Intl. Airport (ZNZ)?
Opt for a flight from Washington Dulles Intl. Airport (IAD) to Zanzibar Intl. Airport (ZNZ) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Zanzibar Intl. Airport (ZNZ) last-minute?
Last-minute bookings from IAD to ZNZ are typically more expensive. To lock in the lowest prices, start searching for flights well in advance. That being said, if you're flexible with your travel dates, you may score a cheap ticket right before you leave.
Is it cheaper to book an IAD to ZNZ flight and hotel package?
You'll generally save money by securing an IAD to ZNZ flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Zanzibar Intl. Airport (ZNZ)?
In most instances, you're able to cancel or reschedule your IAD to ZNZ flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like more details, go to our Customer Service portal.

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*Available to One Key members.