What is the cheapest airline to fly from Washington, D.C. to Iaşi round-trip?

Cheapflights users have booked flights from Washington, D.C. to Iaşi round-trip from $536.

What is the cheapest day to fly from Washington, D.C. to Iaşi?

Travelers seeking maximum savings on their Washington, D.C. to Iaşi flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Iaşi ranges from 0.8 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Iaşi when rainfall is around 0.8 in.

If weather is an important factor for your trip to Iaşi, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What is the cheapest time of day to fly from WAS to IAS?

When flying from Washington, D.C. to Iaşi, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 25% versus a flight in the morning.

What airport do you fly into for flights to Iaşi from Washington, D.C.?

For a flight from Washington, D.C. to Iaşi, you will be flying into Iasi. Iasi (IAS) is just 1.3 mi from the center of the city. Iasi is the only Iaşi airport and it handles 0 inbound flights from Washington, D.C. per day. 1 airline has flights to Iasi from Washington, D.C. on a regular basis.

Can I find deals for flights from Washington, D.C. to Iaşi that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Iaşi flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Iaşi?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Iaşi.

Can I find deals for business class flights from Washington, D.C. to Iaşi?

Yes. Cheapflights offers flight deals from Washington, D.C. to Iaşi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$448+ Cheap Flights from Washington, D.C. to Iaşi

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Find flight deals from Washington, D.C. to Iaşi

One-way flights from Washington, D.C. to Iaşi
Search for one-way flight options from Washington, D.C. to Iaşi. Find affordable one-way fares based on user searches. Data last updated September 19, 2025.

Wed 11/266:50 pmDCA - IAS

2 stops24h 30mMultiple Airlines

Deal found 9/17

$448

Sun 11/2312:50 pmDCA - IAS

2 stops41h 05mEmirates

Deal found 9/17

$1,405

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Iaşi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Iaşi

DCA - IAS

DCAIAS

Washington, D.C. Reagan-National

Wed 11/26

6:50 pm-2:20 am

2 stops24h 30m

$448

Washington, D.C.Iaşi

DCA - IAS

DCAIAS

Washington, D.C. Reagan-National

Sun 11/23

12:50 pm-12:55 pm

2 stops41h 05m

$1,405

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Best time to book a flight from Washington, D.C. to Iaşi

Have a flexible travel schedule? Discover the best time to fly to Iaşi from Washington, D.C. with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Iaşi

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Iaşi

Read through reviews of airlines operating flights from Washington, D.C. to Iaşi, such as Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Austrian Airlines

7.6

Good

850 reviews

Reviews

1 / 20

10.0

Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Austrian Airlines

7.6

Good

850 reviews

Austrian Airlines

7.6

Good

850 reviews

Reviews

1 / 20

10.0

Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Related info for your journey

What airport do you fly into for flights to Iaşi from Washington, D.C.?
For a flight from Washington, D.C. to Iaşi, you will be flying into Iasi. Iasi (IAS) is just 1.3 mi from the center of the city. Iasi is the only Iaşi airport and it handles 0 inbound flights from Washington, D.C. per day. 1 airline has flights to Iasi from Washington, D.C. on a regular basis.
What is the cheapest airline to fly from Washington, D.C. to Iaşi round-trip?
Cheapflights users have booked flights from Washington, D.C. to Iaşi round-trip from $536.
Can I find deals for flights from Washington, D.C. to Iaşi that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Iaşi flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Iaşi?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Iaşi.
Can I find deals for business class flights from Washington, D.C. to Iaşi?
Yes. Cheapflights offers flight deals from Washington, D.C. to Iaşi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Washington, D.C. to Iaşi

Airline	Cheapest	Average	Flexibility	On-time
Austrian Airlines	Cheapest$536	Average$818	FlexibilityNo cancel fee	On-time78%

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$448+ Cheap flights from Washington, D.C. (WAS) to Iaşi (IAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Iaşi with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Washington, D.C. to Iaşi

One-way flights from Washington, D.C. to IaşiSearch for one-way flight options from Washington, D.C. to Iaşi. Find affordable one-way fares based on user searches. Data last updated September 19, 2025.

Search for one-way flight options from Washington, D.C. to Iaşi. Find affordable one-way fares based on user searches. Data last updated September 19, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Iaşi that are best for you.

Best time to book a flight from Washington, D.C. to Iaşi

Have a flexible travel schedule? Discover the best time to fly to Iaşi from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Iaşi

Reviews of airlines servicing Iaşi

Read through reviews of airlines operating flights from Washington, D.C. to Iaşi, such as Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Iaşi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Iaşi from Washington, D.C.?

What is the cheapest airline to fly from Washington, D.C. to Iaşi round-trip?

Can I find deals for flights from Washington, D.C. to Iaşi that include hotel bookings?

How can I find direct flights from Washington, D.C. to Iaşi?

Can I find deals for business class flights from Washington, D.C. to Iaşi?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Iaşi

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Washington, D.C. to Iaşi

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One-way flights from Washington, D.C. to Iaşi
Search for one-way flight options from Washington, D.C. to Iaşi. Find affordable one-way fares based on user searches. Data last updated September 19, 2025.