How do I get Price Alerts for flights from Seattle to Iaşi?

Search flight deals from Seattle to Iaşi . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Seattle to Iaşi with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Iasi Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Iasi Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Iasi Airport?

As of March 2026, there is 1 operator available to choose from for flights from Seattle/Tacoma Intl Airport to Iasi Airport.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Iasi Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Iasi Airport.

What documentation or ID do you need to fly to Iasi Airport?

The travel and health documents required for your trip to Iasi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Iasi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$771 Cheap Flights from Seattle to Iaşi in 2026

1 adult

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Find the cheapest flights from Seattle to Iaşi

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 am - 3:20 pm

SEA

IAS

21h 10m

2 stops

5:20 am - 8:03 pm

IAS

SEA

24h 43m

2 stops

$771Austrian Airlines

Wed, Sep 9 - Wed, Sep 23

6:50 pm - 3:20 pm

SEA

IAS

34h 30m

2 stops

4:00 pm - 11:55 am

IAS

SEA

29h 55m

2 stops

$776Lufthansa

Tue, Sep 8 - Tue, Sep 22

8:10 am - 1:20 am

SEA

IAS

31h 10m

2 stops

4:00 pm - 8:03 pm

IAS

SEA

38h 03m

2 stops

$784Austrian Airlines

Wed, Sep 9 - Tue, Sep 22

6:50 pm - 3:20 pm

SEA

IAS

34h 30m

2 stops

5:20 am - 11:55 am

IAS

SEA

40h 35m

2 stops

$799Lufthansa

Sun, Sep 6 - Mon, Sep 21

6:50 pm - 3:20 pm

SEA

IAS

34h 30m

2 stops

4:00 pm - 11:55 am

IAS

SEA

53h 55m

2 stops

$819Lufthansa

Sun, Sep 6 - Sun, Sep 20

8:10 am - 3:20 pm

SEA

IAS

21h 10m

2 stops

4:00 pm - 6:59 pm

IAS

SEA

36h 59m

2 stops

$834Austrian Airlines

Sat, Sep 5 - Thu, Sep 17

7:00 am - 3:20 pm

SEA

IAS

22h 20m

2 stops

4:00 pm - 12:20 pm

IAS

SEA

30h 20m

2 stops

$840Multiple Airlines

Fri, Apr 24 - Mon, May 4

6:50 pm - 3:20 pm

SEA

IAS

34h 30m

2 stops

5:20 am - 11:55 am

IAS

SEA

16h 35m

2 stops

$849Lufthansa

Thu, Sep 10 - Fri, Sep 25

6:50 pm - 3:20 pm

SEA

IAS

34h 30m

2 stops

4:00 pm - 12:20 pm

IAS

SEA

54h 20m

2 stops

$864Lufthansa

Fri, Apr 24 - Sun, May 3

6:50 pm - 3:20 pm

SEA

IAS

34h 30m

2 stops

4:00 pm - 11:55 am

IAS

SEA

53h 55m

2 stops

$869Lufthansa

Thu, Sep 10 - Sun, Sep 20

Austrian Airlines flights from Seattle to Iaşi

Our best Austrian Airlines deals on Seattle to Iaşi flight tickets

Austrian Airlines

Sep 9

SEA8:10 amSeattle/Tacoma Intl

21h 10m

2 stops

IAS3:20 pmIasi

Sep 18

IAS5:20 amIasi

23h 39m

2 stops

SEA6:59 pmSeattle/Tacoma Intl

$771

Austrian Airlines

Sep 9

SEA8:10 amSeattle/Tacoma Intl

31h 10m

2 stops

IAS1:20 amIasi

Sep 17

IAS4:00 pmIasi

36h 59m

2 stops

SEA6:59 pmSeattle/Tacoma Intl

$784

Austrian Airlines

Sep 5

SEA8:10 amSeattle/Tacoma Intl

21h 10m

2 stops

IAS3:20 pmIasi

Sep 25

IAS5:20 amIasi

23h 39m

2 stops

SEA6:59 pmSeattle/Tacoma Intl

$834

Lufthansa flights from Seattle to Iaşi

Our best Lufthansa deals on Seattle to Iaşi flight tickets

Lufthansa

Sep 8

SEA6:50 pmSeattle/Tacoma Intl

34h 30m

2 stops

IAS3:20 pmIasi

Sep 18

IAS5:20 amIasi

16h 35m

2 stops

SEA11:55 amSeattle/Tacoma Intl

$776

Lufthansa

Sep 6

SEA6:50 pmSeattle/Tacoma Intl

34h 30m

2 stops

IAS3:20 pmIasi

Sep 22

IAS4:00 pmIasi

29h 55m

2 stops

SEA11:55 amSeattle/Tacoma Intl

$799

Lufthansa

Sep 6

SEA6:50 pmSeattle/Tacoma Intl

34h 30m

2 stops

IAS3:20 pmIasi

Sep 20

IAS4:00 pmIasi

53h 55m

2 stops

SEA11:55 amSeattle/Tacoma Intl

$819

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Wed 9/9

8:10 am-3:20 pm

2 stops21h 10m

Iasi

Wed 9/23

5:20 am-8:03 pm

2 stops24h 43m

$771

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Tue 9/8

6:50 pm-3:20 pm

2 stops34h 30m

Iasi

Tue 9/22

4:00 pm-11:55 am

2 stops29h 55m

$776

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Wed 9/9

8:10 am-1:20 am

2 stops31h 10m

Iasi

Tue 9/22

4:00 pm-8:03 pm

2 stops38h 03m

$784

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Sun 9/6

6:50 pm-3:20 pm

2 stops34h 30m

Iasi

Mon 9/21

5:20 am-11:55 am

2 stops40h 35m

$799

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Sun 9/6

6:50 pm-3:20 pm

2 stops34h 30m

Iasi

Sun 9/20

4:00 pm-11:55 am

2 stops53h 55m

$819

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Sat 9/5

8:10 am-3:20 pm

2 stops21h 10m

Iasi

Thu 9/17

4:00 pm-6:59 pm

2 stops36h 59m

$834

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Fri 4/24

7:00 am-3:20 pm

2 stops22h 20m

Iasi

Mon 5/4

4:00 pm-12:20 pm

2 stops30h 20m

$840

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Thu 9/10

6:50 pm-3:20 pm

2 stops34h 30m

Iasi

Fri 9/25

5:20 am-11:55 am

2 stops16h 35m

$849

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Fri 4/24

6:50 pm-3:20 pm

2 stops34h 30m

Iasi

Sun 5/3

4:00 pm-12:20 pm

2 stops54h 20m

$864

SeattleIaşi

SEA - IAS

SEAIAS

Seattle/Tacoma Intl

Thu 9/10

6:50 pm-3:20 pm

2 stops34h 30m

Iasi

Sun 9/20

4:00 pm-11:55 am

2 stops53h 55m

$869

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Seattle to Iaşi

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Iaşi according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Iaşi (SEA to IAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Iaşi

Fastest flight time	22h 20m
Direct flights	None

The fastest flight from Seattle to Iaşi takes 22h 20m

There are no direct flights from Seattle to Iaşi. There are no popular flight routes from Seattle to Iaşi.

Search flight deals

How far is Seattle/Tacoma Intl to Iasi by plane?
The distance between Seattle/Tacoma Intl and Iasi is about 5638.5 mi. A reasonable flight in good conditions will take 22h 20m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Iasi Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Iasi Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Iasi Airport?
As of March 2026, there is 1 operator available to choose from for flights from Seattle/Tacoma Intl Airport to Iasi Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Iasi Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Iasi Airport.
What documentation or ID do you need to fly to Iasi Airport?
The travel and health documents required for your trip to Iasi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Iasi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Seattle to Iaşi?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Iaşi is Lufthansa (100% of total bookings).

Best airlines flying from Seattle to Iaşi

Compare and see reviews for airlines that fly from Seattle to Iaşi with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $696	Free Cancellation	Rating 6.8 7,858 reviews		Search Lufthansa flights

How do I get Price Alerts for flights from Seattle to Iaşi?
Search flight deals from Seattle to Iaşi. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Seattle to Iaşi with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Iaşi?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Iaşi from Seattle.

Can I find flights from Seattle to Iaşi with flexible booking policies on momondo?

Yes. All flights to Iaşi from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Iaşi?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Iaşi.

I’m not ready to book a flight from Seattle to Iaşi right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Iaşi now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Iaşi and let you know when they change.