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Cheap flights from Iaşi to Washington, D.C. from $454

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Iaşi to Washington, D.C. departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Iaşi to Washington, D.C.

Cheap round-trip flights

Austrian Airlines Logo
4:00 pm - 2:35 pmIAS-IAD
29h 35m1 stop
Austrian Airlines Logo
5:25 pm - 3:20 pmIAD-IAS
14h 55m1 stop
$454Austrian Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
Multiple Airlines Logo
5:20 am - 3:15 pmIAS-IAD
16h 55m2 stops
Multiple Airlines Logo
5:25 pm - 3:20 pmIAD-IAS
14h 55m1 stop
$472Multiple Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
Lufthansa Logo
5:20 am - 3:15 pmIAS-IAD
16h 55m2 stops
Lufthansa Logo
3:25 pm - 3:20 pmIAD-IAS
16h 55m2 stops
$499Lufthansa
Find Deal
Wed, Oct 1 - Sun, Oct 5
Multiple Airlines Logo
4:00 pm - 7:20 pmIAS-IAD
34h 20m3 stops
Multiple Airlines Logo
8:30 pm - 3:20 pmIAD-IAS
35h 50m3 stops
$941Multiple Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
KLM Logo
5:25 am - 4:05 pmIAS-IAD
17h 40m2 stops
KLM Logo
6:05 pm - 11:30 pmIAD-IAS
22h 25m2 stops
$944KLM
Find Deal
Thu, Jan 15 - Mon, Jan 19
Multiple Airlines Logo
4:00 pm - 3:20 pmIAS-IAD
30h 20m3 stops
Multiple Airlines Logo
5:45 pm - 2:05 amIAD-IAS
25h 20m2 stops
$953Multiple Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5

momondo Fare Finder

 
Customize your flight search to find flights from Iaşi to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Iaşi to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IaşiWashington, D.C.

IAS - IAD

IASIAD

Iasi

Wed 10/1

4:00 pm-2:35 pm

1 stop29h 35m

Washington, D.C. Dulles Intl

Sun 10/5

5:25 pm-3:20 pm

1 stop14h 55m

$454

IaşiWashington, D.C.

IAS - IAD

IASIAD

Iasi

Wed 10/1

5:20 am-3:15 pm

2 stops16h 55m

Washington, D.C. Dulles Intl

Sun 10/5

5:25 pm-3:20 pm

1 stop14h 55m

$472

IaşiWashington, D.C.

IAS - IAD

IASIAD

Iasi

Wed 10/1

5:20 am-3:15 pm

2 stops16h 55m

Washington, D.C. Dulles Intl

Sun 10/5

3:25 pm-3:20 pm

2 stops16h 55m

$499

IaşiWashington, D.C.

IAS - IAD

IASIAD

Iasi

Wed 10/1

4:00 pm-7:20 pm

3 stops34h 20m

Washington, D.C. Dulles Intl

Sun 10/5

8:30 pm-3:20 pm

3 stops35h 50m

$941

IaşiWashington, D.C.

IAS - IAD

IASIAD

Iasi

Thu 1/15

5:25 am-4:05 pm

2 stops17h 40m

Washington, D.C. Dulles Intl

Mon 1/19

6:05 pm-11:30 pm

2 stops22h 25m

$944

IaşiWashington, D.C.

IAS - IAD

IASIAD

Iasi

Wed 10/1

4:00 pm-3:20 pm

3 stops30h 20m

Washington, D.C. Dulles Intl

Sun 10/5

5:45 pm-2:05 am

2 stops25h 20m

$953

IaşiWashington, D.C.

IAS - IAD

IASIAD

Iasi

Wed 11/12

4:05 pm-2:35 pm

2 stops29h 30m

$667

IaşiWashington, D.C.

IAS - IAD

IASIAD

Iasi

Wed 11/12

4:05 pm-2:40 pm

1 stop29h 35m

$1,227

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Iaşi to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $696. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Iaşi to Washington, D.C. Dulles Intl Airport for around $892.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Iaşi in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $720 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $892 on average. Flights to Washington, D.C. Dulles Intl Airport from Iaşi in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Iaşi to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Iaşi to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Iaşi to Washington, D.C. Dulles Intl Airport (IAS to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Iaşi to Washington, D.C. Dulles Intl Airport

Direct flights

None
There are no direct flights from Iaşi to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Iaşi to Washington, D.C. Dulles Intl Airport.
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  • How far is Iasi to Washington, D.C. Dulles Intl by plane?

    Washington, D.C. Dulles Intl is 4910.0 mi away from Iasi. A reasonable flight in good conditions will take 16h 55m.

  • When did momondo last update prices for flights from Iasi Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Iasi Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Iasi Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Iasi Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Iasi Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Iaşi to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Iaşi to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Iaşi to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Austrian AirlinesPriceFrom $527Free CancellationRating
7.6
850 reviews
Search Austrian Airlines flights
KLMPriceFrom $713Free CancellationRating
7.8
1,386 reviews
Search KLM flights
Air FrancePriceFrom $827Free CancellationRating
7.4
1,468 reviews
Search Air France flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

Why use momondo?

Why should I use momondo to find a flight deal from Iaşi to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Iaşi to Washington, D.C. for you.

Can I find flights from Iaşi to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Iaşi which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Iaşi to Washington, D.C.?

Once all potential Iaşi to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Iaşi to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Iaşi. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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