$644 Cheap Flights from Zagreb (ZAG) to Washington (IAD)

View $644 flight on Fri, Sep 26, 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 $644 for one-way flights and $635 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, Aug 29 - Wed, Sep 3
ZAG
Zagreb
IAD
Washington
$635 Roundtrip, found 1 day ago
$635
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Aug 29 from Zagreb to Washington, returning Wed, Sep 3, priced at $635 found 1 day ago
Lufthansa
Fri, Oct 24 - Sun, Nov 2
ZAG
Zagreb
IAD
Washington
$637 Roundtrip, found 1 day ago
$637
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Oct 24 from Zagreb to Washington, returning Sun, Nov 2, priced at $637 found 1 day ago
Lufthansa
Mon, Sep 15 - Mon, Sep 22
ZAG
Zagreb
IAD
Washington
$639 Roundtrip, found 4 days ago
$639
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Sep 15 from Zagreb to Washington, returning Mon, Sep 22, priced at $639 found 4 days ago
British Airways
Fri, Oct 10 - Thu, Oct 16
ZAG
Zagreb
IAD
Washington
$641 Roundtrip, found 5 days ago
$641
Roundtrip
found 5 days ago
Select British Airways flight, departing Fri, Oct 10 from Zagreb to Washington, returning Thu, Oct 16, priced at $641 found 5 days ago
Lufthansa
Wed, Oct 15 - Sat, Oct 25
ZAG
Zagreb
IAD
Washington
$641 Roundtrip, found 5 days ago
$641
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Oct 15 from Zagreb to Washington, returning Sat, Oct 25, priced at $641 found 5 days ago
Air Canada
Fri, Oct 24 - Sun, Nov 2
ZAG
Zagreb
IAD
Washington
$641 Roundtrip, found 1 day ago
$641
Roundtrip
found 1 day ago
Select Air Canada flight, departing Fri, Oct 24 from Zagreb to Washington, returning Sun, Nov 2, priced at $641 found 1 day ago
Lufthansa
Fri, Oct 3 - Sat, Oct 11
ZAG
Zagreb
IAD
Washington
$643 Roundtrip, found 8 hours ago
$643
Roundtrip
found 8 hours ago
Select Lufthansa flight, departing Fri, Oct 3 from Zagreb to Washington, returning Sat, Oct 11, priced at $643 found 8 hours ago
Lufthansa
Mon, Sep 8 - Tue, Sep 16
ZAG
Zagreb
IAD
Washington
$644 Roundtrip, found 5 days ago
$644
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Mon, Sep 8 from Zagreb to Washington, returning Tue, Sep 16, priced at $644 found 5 days ago
Austrian Airlines
Sun, Sep 14 - Tue, Sep 23
ZAG
Zagreb
IAD
Washington
$653 Roundtrip, found 2 days ago
$653
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Sun, Sep 14 from Zagreb to Washington, returning Tue, Sep 23, priced at $653 found 2 days ago
American Airlines
Sat, Oct 4 - Mon, Oct 20
ZAG
Zagreb
IAD
Washington
$657 Roundtrip, found 1 day ago
$657
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 4 from Zagreb to Washington, returning Mon, Oct 20, priced at $657 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. Closest option available. Average driving time to city center is 8 minutes. Flights from $810
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $810
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
$634
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 August. 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 $644 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?
Get a cheap one-way flight from $644 or cheap return flight from $635 from Zagreb Airport (ZAG) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Zagreb Airport (ZAG) to Washington Dulles Intl. Airport (IAD)?
Traveling in August can help you save, as it's the cheapest month for flights between ZAG and IAD. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Zagreb Airport (ZAG) to Washington Dulles Intl. Airport (IAD)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from ZAG to IAD. Then, sort your results by "Price (lowest to highest)" to snag 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.