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Cheap flights from Washington to Iaşi from $848

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Iaşi departing on 9/24. 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
0 bags

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Find the cheapest flights from Washington to Iaşi

Cheap round-trip flights

Logo
7:10 pm - 8:50 amSEA-IAS
27h 40m2 stops
Logo
9:15 am - 10:35 amIAS-SEA
35h 20m2 stops
$848
Find Deal
Wed, Sep 24 - Wed, Oct 1
Logo
5:05 pm - 1:20 amSEA-IAS
22h 15m3 stops
Logo
5:20 am - 3:05 pmIAS-SEA
19h 45m2 stops
$948
Find Deal
Wed, Sep 24 - Wed, Oct 1
Logo
5:30 am - 10:15 pmSEA-IAS
30h 45m3 stops
Logo
5:20 am - 7:31 pmIAS-SEA
24h 11m3 stops
$997
Find Deal
Wed, Sep 24 - Wed, Oct 1
Logo
7:10 pm - 1:20 amSEA-IAS
20h 10m1 stop
Logo
12:15 pm - 7:54 pmIAS-SEA
41h 39m2 stops
$1,069
Find Deal
Wed, Sep 24 - Wed, Oct 1
Logo
1:35 pm - 1:25 pmSEA-IAS
37h 50m2 stops
Logo
8:55 pm - 4:55 pmIAS-SEA
30h 00m2 stops
$1,410
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Fri, Dec 19 - Tue, Jan 6
Lufthansa Logo
2:20 pm - 3:20 pmSEA-IAS
15h 00m2 stops
Lufthansa Logo
4:00 pm - 11:55 amIAS-SEA
29h 55m2 stops
$1,460Lufthansa
Find Deal
Sun, Aug 24 - Wed, Aug 27
Logo
7:35 pm - 9:10 pmSEA-IAS
15h 35m1 stop
Logo
5:25 am - 7:54 pmIAS-SEA
24h 29m2 stops
$1,476
Find Deal
Sun, Aug 24 - Wed, Aug 27
Logo
7:10 pm - 1:20 amSEA-IAS
20h 10m1 stop
Logo
9:50 pm - 5:50 pmIAS-SEA
30h 00m1 stop
$1,501
Find Deal
Wed, Sep 24 - Wed, Oct 1
Logo
2:20 pm - 3:20 pmSEA-IAS
15h 00m2 stops
Logo
2:25 pm - 11:55 amIAS-SEA
31h 30m3 stops
$1,601
Find Deal
Sun, Aug 24 - Wed, Aug 27
Logo
2:55 pm - 11:30 pmSEA-IAS
22h 35m3 stops
Logo
2:25 pm - 11:55 amIAS-SEA
31h 30m3 stops
$1,623
Find Deal
Sun, Aug 24 - Wed, Aug 27

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Iaşi 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 11, 2025.
Use the filters below to find and compare flights from Washington to Iaşi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Wed 9/24

7:10 pm-8:50 am

2 stops27h 40m

Iasi

Wed 10/1

9:15 am-10:35 am

2 stops35h 20m

$848

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Wed 9/24

5:05 pm-1:20 am

3 stops22h 15m

Iasi

Wed 10/1

5:20 am-3:05 pm

2 stops19h 45m

$948

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Wed 9/24

5:30 am-10:15 pm

3 stops30h 45m

Iasi

Wed 10/1

5:20 am-7:31 pm

3 stops24h 11m

$997

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Wed 9/24

7:10 pm-1:20 am

1 stop20h 10m

Iasi

Wed 10/1

12:15 pm-7:54 pm

2 stops41h 39m

$1,069

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Fri 12/19

1:35 pm-1:25 pm

2 stops37h 50m

Iasi

Tue 1/6

8:55 pm-4:55 pm

2 stops30h 00m

$1,410

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Sun 8/24

2:20 pm-3:20 pm

2 stops15h 00m

Iasi

Wed 8/27

4:00 pm-11:55 am

2 stops29h 55m

$1,460

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Sun 8/24

7:35 pm-9:10 pm

1 stop15h 35m

Iasi

Wed 8/27

5:25 am-7:54 pm

2 stops24h 29m

$1,476

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Wed 9/24

7:10 pm-1:20 am

1 stop20h 10m

Iasi

Wed 10/1

9:50 pm-5:50 pm

1 stop30h 00m

$1,501

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Sun 8/24

2:20 pm-3:20 pm

2 stops15h 00m

Iasi

Wed 8/27

2:25 pm-11:55 am

3 stops31h 30m

$1,601

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Sun 8/24

2:55 pm-11:30 pm

3 stops22h 35m

Iasi

Wed 8/27

2:25 pm-11:55 am

3 stops31h 30m

$1,623

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Iaşi from

How to get the cheapest flight ticket from State of Washington 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

What is the cheapest day to depart on your flight to Iaşi?

The cheapest day to depart on your flight to Iaşi is on a Thursday when prices can be found for as low as $1,240. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Iaşi is Wednesday, with ticket prices averaging around $1,792.

What is the cheapest time of day to depart on your flight to Iaşi?

According to our data, the cheapest time of day to fly to Iaşi is in the morning. momondo users have found flights departing from State of Washington to Iaşi in the morning for as low as $1,092. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Iaşi is at noon when prices are around $1,340.

Cheap State of Washington to Iaşi flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Iaşi

Best Price Found

$848

Fastest flight time

15h 00m

Direct flights

None

Airports in Iaşi

1 airport
The best flight deal from State of Washington to Iaşi found on momondo in the last 72 hours is $848
The fastest flight from State of Washington to Iaşi takes 15h 00m
There are no direct flights from State of Washington to Iaşi. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Iasi Airport.
There is 1 airport near Iaşi: Iasi (IAS)
Search flight deals

  • When did momondo last update prices for flights from Washington to Iasi Airport?

    Prices for flights from Washington to Iasi Airport are updated daily.

  • How many operators does momondo search for flights from Washington to Iasi Airport?

  • How old do you have to be to fly from Washington to Iasi Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington 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.

Best airlines flying from State of Washington to Iaşi

Compare and see reviews for airlines that fly from State of Washington to Iaşi with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $696Free CancellationRating
6.8
7,302 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Iaşi?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Iaşi. momondo saves you time and could save you money on your trip.

Can I find flights from Washington to Iaşi with flexible booking policies on momondo?

Yes. All flights to Iaşi from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Iaşi?

momondo provides multiple filters to help you find the best flight to Iaşi from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Washington to Iaşi flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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