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Cheap flights from Iaşi to Washington, D.C. from $433

This is the cheapest one-way 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 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Austrian Airlines Logo
5:20 am - 2:00 pmIAS  Iasi-IAD Washington, D.C. Dulles Intl
15h 40m1 stop Vienna Intl
Austrian Airlines Logo
5:45 pm - 3:20 pmIAD  Washington, D.C. Dulles Intl-IAS Iasi
14h 35m1 stop Vienna Intl
$646Austrian Airlines
Fri, Oct 9 - Mon, Oct 19
Multiple Airlines Logo
5:20 am - 4:05 pmIAS  Iasi-IAD Washington, D.C. Dulles Intl
17h 45m2 stops Vienna Intl Frankfurt am Main
Multiple Airlines Logo
5:45 pm - 3:20 pmIAD  Washington, D.C. Dulles Intl-IAS Iasi
14h 35m1 stop Vienna Intl
$663Multiple Airlines
Fri, Oct 9 - Mon, Oct 19
Multiple Airlines Logo
5:20 am - 8:25 pmIAS  Iasi-IAD Washington, D.C. Dulles Intl
22h 05m2 stops Vienna Intl Toronto Pearson Intl
Multiple Airlines Logo
9:45 am - 3:20 pmIAD  Washington, D.C. Dulles Intl-IAS Iasi
22h 35m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl
$678Multiple Airlines
Fri, Oct 9 - Mon, Oct 19
Multiple Airlines Logo
5:20 am - 1:35 pmIAS  Iasi-IAD Washington, D.C. Dulles Intl
39h 15m2 stops Vienna Intl Frankfurt am Main
Multiple Airlines Logo
5:25 pm - 1:20 amIAD  Washington, D.C. Dulles Intl-IAS Iasi
24h 55m1 stop Vienna Intl
$735Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
5:20 am - 4:05 pmIAS  Iasi-IAD Washington, D.C. Dulles Intl
41h 45m2 stops Vienna Intl Frankfurt am Main
Multiple Airlines Logo
10:15 pm - 3:20 pmIAD  Washington, D.C. Dulles Intl-IAS Iasi
34h 05m2 stops London Heathrow Vienna Intl
$748Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Austrian Airlines Logo
4:00 pm - 2:00 pmIAS  Iasi-IAD Washington, D.C. Dulles Intl
29h 00m1 stop Vienna Intl
Austrian Airlines Logo
5:45 pm - 1:20 amIAD  Washington, D.C. Dulles Intl-IAS Iasi
24h 35m1 stop Vienna Intl
$800Austrian Airlines
Mon, Sep 14 - Mon, Sep 21
Lufthansa Logo
5:20 am - 4:05 pmIAS  Iasi-IAD Washington, D.C. Dulles Intl
17h 45m2 stops Vienna Intl Frankfurt am Main
Lufthansa Logo
10:20 pm - 3:20 pmIAD  Washington, D.C. Dulles Intl-IAS Iasi
34h 00m2 stops Munich Franz Josef Strauss Vienna Intl
$810Lufthansa
Mon, Aug 24 - Sun, Aug 30
Multiple Airlines Logo
4:00 pm - 4:05 pmIAS  Iasi-IAD Washington, D.C. Dulles Intl
31h 05m2 stops Vienna Intl Frankfurt am Main
Multiple Airlines Logo
5:45 pm - 1:20 amIAD  Washington, D.C. Dulles Intl-IAS Iasi
24h 35m1 stop Vienna Intl
$811Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
5:20 am - 4:05 pmIAS  Iasi-IAD Washington, D.C. Dulles Intl
17h 45m2 stops Vienna Intl Frankfurt am Main
Multiple Airlines Logo
5:40 pm - 1:20 amIAD  Washington, D.C. Dulles Intl-IAS Iasi
48h 40m2 stops Zurich Vienna Intl
$823Multiple Airlines
Mon, Aug 24 - Sun, Aug 30
Lufthansa Logo
4:00 pm - 1:35 pmIAS  Iasi-IAD Washington, D.C. Dulles Intl
28h 35m2 stops Vienna Intl Frankfurt am Main
Lufthansa Logo
10:20 pm - 1:20 amIAD  Washington, D.C. Dulles Intl-IAS Iasi
20h 00m2 stops Munich Franz Josef Strauss Vienna Intl
$829Lufthansa
Mon, Sep 14 - Mon, Sep 21

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Lufthansa flights from Iaşi to Washington, D.C.

Our best Lufthansa deals on Iaşi to Washington, D.C. flight tickets
Lufthansa
Sep 14
IAS4:00 pmIasi
28h 35m
2 stops
IAD1:35 pmWashington, D.C. Dulles Intl
Sep 21
IAD10:20 pmWashington, D.C. Dulles Intl
20h 00m
2 stops
IAS1:20 amIasi
$829
Lufthansa
Aug 24
IAS5:20 amIasi
21h 05m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
Aug 30
IAD3:25 pmWashington, D.C. Dulles Intl
16h 55m
2 stops
IAS3:20 pmIasi
$881
Lufthansa
Aug 24
IAS5:20 amIasi
17h 45m
2 stops
IAD4:05 pmWashington, D.C. Dulles Intl
Aug 30
IAD3:25 pmWashington, D.C. Dulles Intl
16h 55m
2 stops
IAS3:20 pmIasi
$903

Austrian Airlines flights from Iaşi to Washington, D.C.

Our best Austrian Airlines deals on Iaşi to Washington, D.C. flight tickets
Austrian Airlines
Oct 9
IAS5:20 amIasi
15h 40m
1 stop
IAD2:00 pmWashington, D.C. Dulles Intl
Oct 19
IAD5:45 pmWashington, D.C. Dulles Intl
14h 35m
1 stop
IAS3:20 pmIasi
$646
Austrian Airlines
Sep 14
IAS4:00 pmIasi
29h 00m
1 stop
IAD2:00 pmWashington, D.C. Dulles Intl
Sep 21
IAD5:45 pmWashington, D.C. Dulles Intl
24h 35m
1 stop
IAS1:20 amIasi
$800
Austrian Airlines
Aug 26
IAS4:00 pmIasi
29h 35m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Aug 30
IAD5:40 pmWashington, D.C. Dulles Intl
14h 40m
2 stops
IAS3:20 pmIasi
$956

momondo Fare Finder

 
Customize your flight search to find flights from Iaşi to Washington, D.C. 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 August 12, 2026.
Use the filters below to find and compare flights from Iaşi to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IaşiWashington, D.C.

IAS Iasi - IAD Washington, D.C. Dulles Intl

IASIAD

Iasi

Fri 10/9

5:20 am-2:00 pm

1 stop15h 40m

Washington, D.C. Dulles Intl

Mon 10/19

5:45 pm-3:20 pm

1 stop14h 35m

$646

IaşiWashington, D.C.

IAS Iasi - IAD Washington, D.C. Dulles Intl

IASIAD

Iasi

Fri 10/9

5:20 am-4:05 pm

2 stops17h 45m

Washington, D.C. Dulles Intl

Mon 10/19

5:45 pm-3:20 pm

1 stop14h 35m

$663

IaşiWashington, D.C.

IAS Iasi - IAD Washington, D.C. Dulles Intl

IASIAD

Iasi

Fri 10/9

5:20 am-8:25 pm

2 stops22h 05m

Washington, D.C. Dulles Intl

Mon 10/19

9:45 am-3:20 pm

2 stops22h 35m

$678

IaşiWashington, D.C.

IAS Iasi - IAD Washington, D.C. Dulles Intl

IASIAD

Iasi

Mon 8/24

5:20 am-1:35 pm

2 stops39h 15m

Washington, D.C. Dulles Intl

Mon 8/31

5:25 pm-1:20 am

1 stop24h 55m

$735

IaşiWashington, D.C.

IAS Iasi - IAD Washington, D.C. Dulles Intl

IASIAD

Iasi

Mon 8/24

5:20 am-4:05 pm

2 stops41h 45m

Washington, D.C. Dulles Intl

Mon 8/31

10:15 pm-3:20 pm

2 stops34h 05m

$748

IaşiWashington, D.C.

IAS Iasi - IAD Washington, D.C. Dulles Intl

IASIAD

Iasi

Mon 9/14

4:00 pm-2:00 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Mon 9/21

5:45 pm-1:20 am

1 stop24h 35m

$800

IaşiWashington, D.C.

IAS Iasi - IAD Washington, D.C. Dulles Intl

IASIAD

Iasi

Mon 8/24

5:20 am-4:05 pm

2 stops17h 45m

Washington, D.C. Dulles Intl

Sun 8/30

10:20 pm-3:20 pm

2 stops34h 00m

$810

IaşiWashington, D.C.

IAS Iasi - IAD Washington, D.C. Dulles Intl

IASIAD

Iasi

Mon 9/14

4:00 pm-4:05 pm

2 stops31h 05m

Washington, D.C. Dulles Intl

Mon 9/21

5:45 pm-1:20 am

1 stop24h 35m

$811

IaşiWashington, D.C.

IAS Iasi - IAD Washington, D.C. Dulles Intl

IASIAD

Iasi

Mon 8/24

5:20 am-4:05 pm

2 stops17h 45m

Washington, D.C. Dulles Intl

Sun 8/30

5:40 pm-1:20 am

2 stops48h 40m

$823

IaşiWashington, D.C.

IAS Iasi - IAD Washington, D.C. Dulles Intl

IASIAD

Iasi

Mon 9/14

4:00 pm-1:35 pm

2 stops28h 35m

Washington, D.C. Dulles Intl

Mon 9/21

10:20 pm-1:20 am

2 stops20h 00m

$829

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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 airline that flies from Iasi to Washington, D.C.?

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

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

Are you open to changing your travel dates? Check out the ideal times to fly from Iaşi to Washington, D.C. 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. (IAS to WAS) flight deals and tips

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

Fastest flight time

15h 40m

Direct flights

None
The fastest flight from Iaşi to Washington, D.C. takes 15h 40m
There are no direct flights from Iaşi to Washington, D.C.. There are no popular flight routes from Iaşi to Washington, D.C..
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Frequently asked questions about flying from Iaşi to Washington, D.C.

  • How far is Iasi to Washington, D.C. by plane?

    There are 4896.7 mi between Iasi and Washington, D.C.. Flights usually cover this in 15h 40m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Iasi Airport to Washington, D.C. refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Iasi Airport to Washington, D.C..

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

    The travel and health documents you'll need for your trip to Washington, D.C. 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 Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Colonial Beach
Springfield
Fairfax
Tysons
Edgewood
Glen Burnie
College Park

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Iaşi.

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

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

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

Once you have performed a search for Iaşi to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Washington, D.C. from Iaşi are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport