HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Iaşi

$377+ Cheap flights from Washington 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAS
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Iaşi with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Iaşi

Keep the following information in mind while searching for Washington to Iaşi flight deals. Data was last updated April 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$830
(FlightHub)
Provider with most accurate pricing for Seattle/Tacoma Intl-Iasi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Iasi flights.
Search Deals
From Washington to Iasi
Search Deals

Find flight deals from Washington to Iaşi

Cheapest flights from Washington to Iaşi
Explore the most affordable flight options available from Washington to Iaşi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This FlightHub deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/282:20 pmSEA - IAS
2 stops39h 00mMultiple Airlines
Sun 8/244:00 pmIAS - SEA
2 stops36h 49mMultiple Airlines
Deal found 4/28$830
This Austrian Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/287:00 amSEA - IAS
2 stops22h 20mAustrian Airlines
Mon 8/254:00 pmIAS - SEA
2 stops36h 49mAustrian Airlines
Deal found 4/28$890
This Lufthansa deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/282:20 pmSEA - IAS
2 stops39h 00mLufthansa
Thu 8/214:00 pmIAS - SEA
2 stops34h 59mLufthansa
Deal found 4/28$929

Cheapflights Fare Finder

Customize your flight search to find flights from 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, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Washington to Iaşi that are best for you.

Fly from

Washington

Fly to

Iaşi

Route

Depart

Return

Price

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Mon 7/28

2:20 pm-3:20 pm

2 stops39h 00m

Iasi

Sun 8/24

4:00 pm-6:49 pm

2 stops36h 49m

$830

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Mon 7/28

7:00 am-3:20 pm

2 stops22h 20m

Iasi

Mon 8/25

4:00 pm-6:49 pm

2 stops36h 49m

$890

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Mon 7/28

2:20 pm-3:20 pm

2 stops39h 00m

Iasi

Thu 8/21

4:00 pm-4:59 pm

2 stops34h 59m

$929

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Tue 5/6

7:00 pm-11:20 am

3 stops54h 20m

$377

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Tue 5/6

8:10 am-3:20 pm

2 stops21h 10m

$531

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Thu 6/12

10:00 am-3:20 pm

3 stops19h 20m

$1,196

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Best time to book a flight from Washington to Iaşi

Have a flexible travel schedule? Discover the best time to fly to Iaşi from Washington 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 to Iaşi

Rainfall in Iaşi by month

Plan your trip to Iaşi by taking into account the average rainfall totals by month.

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.

Temperature in Iaşi by month

Plan your trip to Iaşi by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Iaşi

Get insights into the airlines that provide service to Iaşi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Iaşi. Reviews last updated April 29, 2025.
Austrian Airlines
7.6
Good
780 reviews

Boarding

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.7

Food

6.7

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
780 reviews
Austrian Airlines
7.6
Good
780 reviews

Boarding

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.7

Food

6.7

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Lufthansa
6.7
Okay
7,042 reviews
Austrian Airlines
7.6
Good
780 reviews

Boarding

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.7

Food

6.7

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    Most people fly into Iasi (IAS) if they book a flight to Iaşi from Washington. Iasi is conveniently located just 1.3 mi from Iaşi’s city center.

  • Can I find deals for flights from Washington to Iaşi that include hotel bookings?

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

  • How can I find direct flights from Washington to Iaşi?

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

  • Can I find deals for business class flights from Washington to Iaşi?

    Yes. Cheapflights offers flight deals from Washington 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

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 to Iaşi

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Otopeni Intl flights
Newark to Otopeni Intl flights
LaGuardia to Otopeni Intl flights
O'Hare Intl to Otopeni Intl flights
Los Angeles to Otopeni Intl flights
Boston to Otopeni Intl flights
Miami to Otopeni Intl flights
Dulles Intl to Otopeni Intl flights
Dallas/Fort Worth to Otopeni Intl flights
San Francisco to Otopeni Intl flights
Atlanta to Otopeni Intl flights
Midway to Otopeni Intl flights
Reagan-National to Otopeni Intl flights
Baltimore to Otopeni Intl flights
Seattle to Otopeni Intl flights
Detroit to Otopeni Intl flights
John F Kennedy Intl to Cluj Napoca flights
Ontario to Otopeni Intl flights
Newark to Cluj Napoca flights
O'Hare Intl to Cluj Napoca flights
Philadelphia to Otopeni Intl flights
Hobby to Otopeni Intl flights
Love Field to Otopeni Intl flights
Portland to Otopeni Intl flights
George Bush Intcntl to Otopeni Intl flights
LaGuardia to Cluj Napoca flights
Austin to Otopeni Intl flights
Miami to Cluj Napoca flights
Providence to Otopeni Intl flights
Cleveland to Otopeni Intl flights
Sky Harbor Intl to Otopeni Intl flights
San Diego to Otopeni Intl flights
Tampa to Otopeni Intl flights
Seattle to Cluj Napoca flights
Orlando to Cluj Napoca flights
Denver to Otopeni Intl flights
Orlando to Otopeni Intl flights
Minneapolis to Otopeni Intl flights
O'Hare Intl to Timisoara flights
Sky Harbor Intl to Cluj Napoca flights
Salt Lake City to Otopeni Intl flights
Charlotte to Otopeni Intl flights
Los Angeles to Cluj Napoca flights
Newark to Iaşi flights
Boston to Cluj Napoca flights
Dulles Intl to Cluj Napoca flights
Las Vegas to Otopeni Intl flights
O'Hare Intl to Iaşi flights
St. Louis to Otopeni Intl flights
Charlotte to Cluj Napoca flights

Top airline flying from Washington to Iaşi

Discover the top airline that operate flights from Washington to Iaşi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$770Average$1,065FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.