Cheap Flights from Washington (IAD) to Sylhet (ZYL)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Sylhet (ZYL-Osmani Intl.)

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Osmani Intl. Airport (ZYL) cost?
Secure a cheap one-way flight or cheap return flight from Washington Dulles Intl. Airport (IAD) to Osmani Intl. Airport (ZYL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Osmani Intl. Airport (ZYL)?
is the cheapest month to fly from IAD to ZYL. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Osmani Intl. Airport (ZYL)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest IAD to ZYL flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Osmani Intl. Airport (ZYL)?
Nonstop flights from Washington Dulles Intl. Airport (IAD) to Osmani Intl. Airport (ZYL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to ZYL?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the airline, season and other factors.*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 Osmani Intl. Airport (ZYL)?
Choose a flight from Washington Dulles Intl. Airport (IAD) to Osmani Intl. Airport (ZYL) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time 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 Osmani Intl. Airport (ZYL) last-minute?
Last-minute fares from IAD to ZYL are typically more expensive. To secure the best rates, start looking for flights ahead of time. That being said, if you're flexible with your travel plans, you may find a cheap ticket right before your journey.
Is it cheaper to book an IAD to ZYL flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to ZYL flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Osmani Intl. Airport (ZYL)?
In most cases, you can cancel or reschedule your IAD to ZYL flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want further information, head to our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Osmani Intl.
Distance
7966 mi

Book with confidence

Washington to Sylhet Flights

The cheapest times to fly from Washington to Sylhet

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 Sylhet are during the month of . You can find some of the cheapest flights from Washington to Sylhet with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Sylhet

Sunday is one of the best days to book for cheap flights from Washington to Sylhet: 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 Sylhet

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 Sylhet in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Sylhet 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 Sylhet 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.

 

Washington to Sylhet Flights

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*Available to One Key members.