What is the cheapest airline that flies from Washington, D.C. to Iasi?

Austrian Airlines is the most popular carrier operating from Washington, D.C. to Iasi

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

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

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

What documentation or ID do you need to fly to Iasi Airport?

The travel and health documents you'll need for your trip to Iasi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iasi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$405 Cheap Flights from Washington, D.C. to Iaşi in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Iaşi

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:40 am - 9:10 pm

DCA

IAS

28h 30m

2 stops

10:35 pm - 9:48 pm

IAS

DCA

30h 13m

2 stops

$1,088Multiple Airlines

Sun, Aug 16 - Sun, Aug 23

6:00 am - 8:35 pm

DCA

IAS

31h 35m

3 stops

10:35 pm - 10:31 pm

IAS

DCA

30h 56m

3 stops

$1,210Multiple Airlines

Sun, Aug 16 - Sun, Aug 23

11:00 am - 7:30 pm

DCA

IAS

25h 30m

3 stops

9:05 am - 10:31 pm

IAS

DCA

20h 26m

3 stops

$1,313Multiple Airlines

Fri, Aug 14 - Fri, Aug 21

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Iaşi

DCA - IAS

DCAIAS

Washington, D.C. Reagan-National

Sun 8/16

9:40 am-9:10 pm

2 stops28h 30m

Iasi

Sun 8/23

10:35 pm-9:48 pm

2 stops30h 13m

$1,088

Washington, D.C.Iaşi

DCA - IAS

DCAIAS

Washington, D.C. Reagan-National

Sun 8/16

6:00 am-8:35 pm

3 stops31h 35m

Iasi

Sun 8/23

10:35 pm-10:31 pm

3 stops30h 56m

$1,210

Quickest round-trip

Washington, D.C.Iaşi

DCA - IAS

DCAIAS

Washington, D.C. Reagan-National

Fri 8/14

11:00 am-7:30 pm

3 stops25h 30m

Iasi

Fri 8/21

9:05 am-10:31 pm

3 stops20h 26m

$1,313

Cheapest one-way

Washington, D.C.Iaşi

DCA - IAS

DCAIAS

Washington, D.C. Reagan-National

Sun 9/20

11:00 am-11:10 pm

3 stops29h 10m

$405

Quickest one-way

Washington, D.C.Iaşi

DCA - IAS

DCAIAS

Washington, D.C. Reagan-National

Sat 9/19

9:40 am-3:20 pm

2 stops22h 40m

$549

Washington, D.C.Iaşi

DCA - IAS

DCAIAS

Washington, D.C. Reagan-National

Sun 9/20

9:40 am-3:20 pm

2 stops22h 40m

$635

Washington, D.C.Iaşi

DCA - IAS

DCAIAS

Washington, D.C. Reagan-National

Sun 9/20

9:40 am-3:20 pm

2 stops22h 40m

$657

Washington, D.C.Iaşi

DCA - IAS

DCAIAS

Washington, D.C. Reagan-National

Wed 7/8

6:00 am-3:20 pm

2 stops26h 20m

$666

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

Prices

Airlines

Can stopping save me money on Washington, D.C. to Iaşi flights?

You could potentially save up to 30% on your flight if you consider stops on a Washington, D.C. to Iaşi flight.

When to book flights from Washington, D.C. to Iaşi

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

Estimated round-trip price

Cheap Washington, D.C. to Iaşi (WAS to IAS) flight deals and tips

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

Fastest flight time	28h 30m
Direct flights	None

The fastest flight from Washington, D.C. to Iaşi takes 28h 30m

There are no direct flights from Washington, D.C. to Iaşi. There are no popular flight routes from Washington, D.C. to Iaşi.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Iaşi

How far is Washington, D.C. to Iasi by plane?
Washington, D.C. and Iasi are 4896.7 mi apart from one another. In terms of flight time, this usually takes a little over 28h 30m.
When did momondo last update prices for flights from Washington, D.C. to Iasi Airport?
Prices for flights from Washington, D.C. to Iasi Airport are refreshed on a daily basis.
How old do you have to be to fly from Washington, D.C. to Iasi 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 Washington, D.C. to Iasi Airport.
What documentation or ID do you need to fly to Iasi Airport?
The travel and health documents you'll need for your trip to Iasi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iasi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Iaşi?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Iaşi is Austrian Airlines (100% of total bookings).

Best airlines flying from Washington, D.C. to Iaşi

Compare and see reviews for airlines that fly from Washington, D.C. to Iaşi with momondo

Airline	Rating	Free Cancellation	Price
Austrian Airlines	PriceFrom $623	Free Cancellation	Rating 7.6 938 reviews		Search Austrian Airlines flights

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Iaşi flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Iaşi that suits you.

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

All flight searches from Washington, D.C. to Iaşi on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Washington, D.C. and Iaşi by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Washington, D.C. to Iaşi now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Iaşi and let you know when they change.