HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Iaşi

$864+ Cheap flights from Seattle (SEA) 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle 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 Seattle to Iaşi

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Iaşi (IAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$915
(Gurufare)

One-way from

$864
(Austrian Airlines)
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 Seattle/Tacoma Intl to Iasi
Search Deals
One-way flight from Seattle/Tacoma Intl to Iasi
Search Deals

Find flight deals from Seattle to Iaşi

Cheapest flights from Seattle to Iaşi
Explore the most affordable flight options available from Seattle to Iaşi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Gurufare deal was found by Cheapflights users on 3/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/186:50 pmSEA - IAS
2 stops34h 30mLufthansa
Thu 5/84:00 pmIAS - SEA
2 stops34h 59mLufthansa
Deal found 3/28$915
This Turkish Airlines deal was found by Cheapflights users on 3/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/187:10 pmSEA - IAS
2 stops56h 50mMultiple Airlines
Thu 5/82:25 pmIAS - SEA
2 stops36h 50mMultiple Airlines
Deal found 3/27$1,070
This Austrian Airlines deal was found by Cheapflights users on 3/28. 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 5/128:10 amSEA - IAS
2 stops21h 10mAustrian Airlines
Mon 5/194:00 pmIAS - SEA
2 stops38h 18mAustrian Airlines
Deal found 3/28$1,472

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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 March 28, 2025.
Use the filters below to find and compare flights from Seattle to Iaşi that are best for you.

Fly from

Seattle

Fly to

Iaşi

Route

Depart

Return

Price

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Fri 4/18

6:50 pm-3:20 pm

2 stops34h 30m

Iasi

Thu 5/8

4:00 pm-4:59 pm

2 stops34h 59m

$915

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Fri 4/18

7:10 pm-2:00 pm

2 stops56h 50m

Iasi

Thu 5/8

2:25 pm-5:15 pm

2 stops36h 50m

$1,070

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Mon 5/12

8:10 am-3:20 pm

2 stops21h 10m

Iasi

Mon 5/19

4:00 pm-8:18 pm

2 stops38h 18m

$1,472

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Sun 5/11

7:00 am-3:20 pm

2 stops22h 20m

$864

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Compare providers for flights from Seattle to Iaşi

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Iaşi in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Iaşi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Iaşi flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Iaşi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Iaşi flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Iaşi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Iaşi

Have a flexible travel schedule? Discover the best time to fly to Iaşi from Seattle 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 Seattle 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 March 28, 2025.
Austrian Airlines
7.5
Good
769 reviews

Overall

7.5

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Crew

8.1

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
7.5
Good
769 reviews
Austrian Airlines
7.5
Good
769 reviews

Overall

7.5

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Crew

8.1

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
6,956 reviews
Austrian Airlines
7.5
Good
769 reviews

Overall

7.5

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Crew

8.1

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 Seattle to Iaşi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Seattle to Iaşi round-trip?

    Cheapflights users have booked flights from Seattle to Iaşi round-trip from $915. Another airline that can offer you cheap pricing is Austrian Airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

Top airline flying from Seattle to Iaşi

Discover the top airline that operate flights from Seattle 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$985Average$1,268FlexibilityNo 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.