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Iaşi

$496+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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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 July 31, 2025.

Round-trip from

$734
(Ovago)

One-way from

$496
(Austrian Airlines)
From Seattle/Tacoma Intl to Iasi
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One-way flight from Seattle/Tacoma Intl to Iasi
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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 July 31, 2025.

This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/192:20 pmSEA - IAS
2 stops15h 00mLufthansa
Mon 9/84:00 pmIAS - SEA
2 stops29h 55mLufthansa
Deal found 7/29$734
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:10 pmSEA - IAS
2 stops18h 20mMultiple Airlines
Mon 9/88:00 pmIAS - SEA
2 stops31h 15mMultiple Airlines
Deal found 7/29$890
This FlightHub deal was found by Cheapflights users on 7/29. 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 8/187:10 pmSEA - IAS
2 stops18h 20mTurkish Airlines
Tue 9/95:25 amIAS - SEA
2 stops21h 50mTurkish Airlines
Deal found 7/29$907

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 July 31, 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

Tue 8/19

2:20 pm-3:20 pm

2 stops15h 00m

Iasi

Mon 9/8

4:00 pm-11:55 am

2 stops29h 55m

$734

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Mon 8/18

7:10 pm-11:30 pm

2 stops18h 20m

Iasi

Mon 9/8

8:00 pm-5:15 pm

2 stops31h 15m

$890

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Mon 8/18

7:10 pm-11:30 pm

2 stops18h 20m

Iasi

Tue 9/9

5:25 am-5:15 pm

2 stops21h 50m

$907

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Wed 9/3

8:00 am-1:20 am

2 stops31h 20m

$496

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Wed 9/3

8:08 am-1:20 am

3 stops31h 12m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 July 31, 2025.
See what other customers who have flown with Austrian Airlines, Turkish Airlines, and 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.
Austrian Airlines
7.6
Good
823 reviews

Comfort

7.3

Boarding

7.6

Crew

8.1

Entertainment

6.8

Overall

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
823 reviews
Austrian Airlines
7.6
Good
823 reviews

Comfort

7.3

Boarding

7.6

Crew

8.1

Entertainment

6.8

Overall

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Turkish Airlines
7.3
Good
3,933 reviews
Austrian Airlines
7.6
Good
823 reviews

Comfort

7.3

Boarding

7.6

Crew

8.1

Entertainment

6.8

Overall

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Lufthansa
6.8
Okay
7,275 reviews
Austrian Airlines
7.6
Good
823 reviews

Comfort

7.3

Boarding

7.6

Crew

8.1

Entertainment

6.8

Overall

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

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 $734. Another airline that can offer you cheap pricing is Turkish 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

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$696Average$996FlexibilityNo cancel feeOn-time76%

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