$657 Cheap Flights from Zagreb (ZAG) to Washington (IAD)

View $657 flight on Sun, Sep 21, 2025Opens in a new window

Popular airlines from Zagreb Airport (ZAG) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Zagreb to Washington (ZAG-IAD)

Prices were available within the past 7 days and start at $657 for one-way flights and $646 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Sep 10 - Tue, Sep 16
ZAG
Zagreb
IAD
Washington
$646 Roundtrip, found 6 hours ago
$646
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Wed, Sep 10 from Zagreb to Washington, returning Tue, Sep 16, priced at $646 found 6 hours ago
Lufthansa
Sun, Feb 8 - Sun, Feb 15
ZAG
Zagreb
IAD
Washington
$650 Roundtrip, found 8 hours ago
$650
Roundtrip
found 8 hours ago
Select Lufthansa flight, departing Sun, Feb 8 from Zagreb to Washington, returning Sun, Feb 15, priced at $650 found 8 hours ago
Lufthansa
Mon, Sep 8 - Tue, Sep 16
ZAG
Zagreb
IAD
Washington
$650 Roundtrip, found 21 hours ago
$650
Roundtrip
found 21 hours ago
Select Lufthansa flight, departing Mon, Sep 8 from Zagreb to Washington, returning Tue, Sep 16, priced at $650 found 21 hours ago
Lufthansa
Tue, Sep 23 - Sun, Oct 12
ZAG
Zagreb
IAD
Washington
$652 Roundtrip, found 1 day ago
$652
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Sep 23 from Zagreb to Washington, returning Sun, Oct 12, priced at $652 found 1 day ago
Lufthansa
Mon, Sep 8 - Tue, Sep 16
ZAG
Zagreb
IAD
Washington
$652 Roundtrip, found 21 hours ago
$652
Roundtrip
found 21 hours ago
Select Lufthansa flight, departing Mon, Sep 8 from Zagreb to Washington, returning Tue, Sep 16, priced at $652 found 21 hours ago
Lufthansa
Sun, Feb 8 - Sun, Feb 15
ZAG
Zagreb
IAD
Washington
$653 Roundtrip, found 8 hours ago
$653
Roundtrip
found 8 hours ago
Select Lufthansa flight, departing Sun, Feb 8 from Zagreb to Washington, returning Sun, Feb 15, priced at $653 found 8 hours ago
Austrian Airlines
Mon, Sep 22 - Sat, Oct 11
ZAG
Zagreb
IAD
Washington
$665 Roundtrip, found 3 hours ago
$665
Roundtrip
found 3 hours ago
Select Austrian Airlines flight, departing Mon, Sep 22 from Zagreb to Washington, returning Sat, Oct 11, priced at $665 found 3 hours ago
Air Canada
Tue, Sep 23 - Sun, Oct 12
ZAG
Zagreb
IAD
Washington
$665 Roundtrip, found 1 day ago
$665
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Sep 23 from Zagreb to Washington, returning Sun, Oct 12, priced at $665 found 1 day ago
United
Wed, Sep 10 - Tue, Sep 16
ZAG
Zagreb
IAD
Washington
$672 Roundtrip, found 6 hours ago
$672
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Sep 10 from Zagreb to Washington, returning Tue, Sep 16, priced at $672 found 6 hours ago
British Airways
Fri, Sep 12 - Fri, Sep 19
ZAG
Zagreb
IAD
Washington
$681 Roundtrip, found 1 day ago
$681
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Sep 12 from Zagreb to Washington, returning Fri, Sep 19, priced at $681 found 1 day ago

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $880
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $880
Flights from Zagreb (ZAG) to Washington (IAD)
Origin airport
Zagreb
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, ITA Airways, Iberia, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$646
Distance
4515 mi

Zagreb to Washington Flights

The cheapest times to fly from Zagreb to Washington

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

 

The best time to book a flight from Zagreb to Washington

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

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 Zagreb to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $657 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 Zagreb to Washington 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 Zagreb to Washington 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 Zagreb Airport (ZAG) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from ZAG to IAD 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 ZAG to IAD?
The cheapest flights from ZAG to IAD 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 ZAG to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ZAG to IAD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Zagreb Airport (ZAG) to Washington Dulles Intl. Airport (IAD)?
You'll need to catch a flight with a layover when traveling from Zagreb Airport (ZAG) to Washington Dulles Intl. Airport (IAD). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from ZAG to IAD?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Zagreb Airport (ZAG) to Washington Dulles Intl. Airport (IAD)?
Select a flight from Zagreb Airport (ZAG) to Washington Dulles Intl. Airport (IAD) that leaves before 3 PM to reduce the risk of delays and cancellations. 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 Zagreb Airport (ZAG) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until just before your departure to book your flight from ZAG to IAD often results in higher prices. While it's possible to find some last-minute offers, they aren't always guaranteed. Be flexible with your travel plans to boost your chances of getting a bargain.
Is it cheaper to book a ZAG to IAD flight and hotel package?
Opting for a ZAG to IAD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our extensive range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Zagreb Airport (ZAG) to Washington Dulles Intl. Airport (IAD)?
Typically, you can cancel or modify your ZAG to IAD flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further details, head to our Customer Service portal.

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*Available to One Key members.