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$912+ Cheap flights from Iaşi (IAS) to Seattle (SEA)

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAS — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Iaşi to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Iaşi (IAS) to Seattle (SEA). 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 September 17, 2025.

Round-trip from

$912
(Mytrip)
From Iasi to Seattle/Tacoma Intl
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Find flight deals from Iaşi to Seattle

Cheapest flights from Iaşi to Seattle
Explore the most affordable flight options available from Iaşi to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1111:10 pmIAS - SEA
3 stops33h 21mMultiple Airlines
Sat 11/811:55 amSEA - IAS
3 stops19h 55mMultiple Airlines
Deal found 9/16$912
This Lufthansa deal was found by Cheapflights users on 9/17. 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.
Fri 10/105:20 amIAS - SEA
2 stops16h 35mLufthansa
Sat 11/82:00 pmSEA - IAS
2 stops15h 20mLufthansa
Deal found 9/17$957
This Gotogate deal was found by Cheapflights users on 9/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:00 pmIAS - SEA
2 stops29h 55mLufthansa
Sat 11/82:00 pmSEA - IAS
2 stops15h 20mLufthansa
Deal found 9/16$966
This Gotogate deal was found by Cheapflights users on 9/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:05 pmIAS - SEA
2 stops39h 40mMultiple Airlines
Fri 11/73:10 pmSEA - IAS
2 stops38h 10mMultiple Airlines
Deal found 9/16$1,010
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Thu 10/26:10 amIAS - SEA
2 stops25h 41mMultiple Airlines
Mon 10/67:35 pmSEA - IAS
1 stop14h 30mMultiple Airlines
Deal found 9/17$1,058
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/102:40 pmIAS - SEA
2 stops32h 05mMultiple Airlines
Sat 11/811:55 amSEA - IAS
3 stops25h 00mMultiple Airlines
Deal found 9/17$1,104
This KLM deal was found by Cheapflights users on 9/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/12:25 pmIAS - SEA
2 stops35h 40mMultiple Airlines
Sun 10/51:30 pmSEA - IAS
2 stops20h 05mMultiple Airlines
Deal found 9/16$1,161

Cheapflights Fare Finder

 
Customize your flight search to find flights from Iaşi to Seattle 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 September 17, 2025.
Use the filters below to find and compare flights from Iaşi to Seattle that are best for you.

Fly from

Iaşi

Fly to

Seattle

Route

Depart

Return

Price

IaşiSeattle

IAS - SEA

IASSEA

Iasi

Sat 10/11

11:10 pm-10:31 pm

3 stops33h 21m

Seattle/Tacoma Intl

Sat 11/8

11:55 am-5:50 pm

3 stops19h 55m

$933

IaşiSeattle

IAS - SEA

IASSEA

Iasi

Fri 10/10

5:20 am-11:55 am

2 stops16h 35m

Seattle/Tacoma Intl

Sat 11/8

2:00 pm-3:20 pm

2 stops15h 20m

$957

IaşiSeattle

IAS - SEA

IASSEA

Iasi

Sat 10/11

4:00 pm-11:55 am

2 stops29h 55m

Seattle/Tacoma Intl

Sat 11/8

2:00 pm-3:20 pm

2 stops15h 20m

$966

IaşiSeattle

IAS - SEA

IASSEA

Iasi

Fri 10/31

4:05 pm-10:45 pm

2 stops39h 40m

Seattle/Tacoma Intl

Fri 11/7

3:10 pm-3:20 pm

2 stops38h 10m

$1,010

IaşiSeattle

IAS - SEA

IASSEA

Iasi

Thu 10/2

6:10 am-9:51 pm

2 stops25h 41m

Seattle/Tacoma Intl

Mon 10/6

7:35 pm-8:05 pm

1 stop14h 30m

$1,058

IaşiSeattle

IAS - SEA

IASSEA

Iasi

Fri 10/10

2:40 pm-12:45 pm

2 stops32h 05m

Seattle/Tacoma Intl

Sat 11/8

11:55 am-10:55 pm

3 stops25h 00m

$1,104

IaşiSeattle

IAS - SEA

IASSEA

Iasi

Wed 10/1

2:25 pm-4:05 pm

2 stops35h 40m

Seattle/Tacoma Intl

Sun 10/5

1:30 pm-7:35 pm

2 stops20h 05m

$1,161

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Iaşi to Seattle

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

Related info for your journey

Find useful and relevant information for your journey from Iaşi to Seattle. 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 Iaşi to Seattle?

    There are many flights that can get you from Iaşi to Seattle in 16h 35m. Fly via Lufthansa to get the fastest option. Iaşi and Seattle are separated by a distance of 5648 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Iaşi to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Iaşi to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Iaşi to Seattle (average of $238). Flying from Iaşi to Seattle in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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