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Iaşi

$895+ Cheap flights from Seattle (SEA) to Iaşi (IAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAS
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Seattle to Iaşi

Best flights from Seattle to Iaşi
Discover carefully curated flight deals from Seattle to Iaşi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/254:45 pmSEA - IAS
1 stop23h 35mMultiple Airlines
Fri 1/305:45 amIAS - SEA
2 stops24h 07mMultiple Airlines
Deal found 12/21$895
This Emirates deal was found by Cheapflights users on 12/21. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/254:05 pmSEA - IAS
1 stop34h 50mEmirates
Fri 1/301:55 pmIAS - SEA
1 stop32h 40mEmirates
Deal found 12/21$1,555

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$895
(Kiwi.com)
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
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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 December 23, 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

Sun 1/25

4:45 pm-2:20 am

1 stop23h 35m

Iasi

Fri 1/30

5:45 am-7:52 pm

2 stops24h 07m

$895

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Sun 1/25

4:05 pm-12:55 pm

1 stop34h 50m

Iasi

Fri 1/30

1:55 pm-12:35 pm

1 stop32h 40m

$1,555

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Iaşi flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 December 23, 2025.
See what other customers who have flown with Lufthansa from Seattle to Iaşi have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,649 reviews

Overall

6.8

Boarding

7.0

Comfort

6.8

Crew

7.6

Entertainment

6.4

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.
Lufthansa
6.8
Okay
7,649 reviews
Lufthansa
6.8
Okay
7,649 reviews

Overall

6.8

Boarding

7.0

Comfort

6.8

Crew

7.6

Entertainment

6.4

Food

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

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.

  • How long is the flight from Seattle to Iaşi?

    Airlines like Emirates fly from Seattle to Iaşi in about 34h 50m. The time it takes to get you to your destination can typically vary by up to . Seattle and Iaşi are separated by a distance of 5648 mi.

  • 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

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$769Average$996FlexibilityNo cancel feeOn-time76%

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