What is the cheapest airline that flies from Seattle/Tacoma Intl to Romania?

British Airways, Delta, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Romania

What airlines fly to Romania?

Turkish Airlines, Lufthansa and KLM are the top three most popular airlines that fly to Romania from Seattle according to our data. Turkish Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Romania. Keep in mind that there are 6 different airlines that fly to Romania on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Seattle/Tacoma Intl Airport to Romania are updated daily.

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

The number of operators available for flights from Seattle/Tacoma Intl Airport to Romania is 6 as of October 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Romania.

What documentation or ID do you need to fly to Romania?

The required travel and health documents for your Romania trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Romania. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$325 Cheap Flights from Seattle to Romania in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Romania

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:35 pm - 12:35 amSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

24h 00m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

6:45 pm - 5:00 pmOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

32h 15m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

$612Multiple Airlines

Sun, Nov 15 - Wed, Nov 18

7:05 pm - 8:35 pmSEA Seattle/Tacoma Intl-CLJ Cluj Napoca

15h 30m1 stop Istanbul

9:55 am - 5:10 pmCLJ Cluj Napoca-SEA Seattle/Tacoma Intl

17h 15m1 stop Istanbul

$681Turkish Airlines

Mon, Nov 16 - Mon, Nov 23

7:05 pm - 8:15 pmSEA Seattle/Tacoma Intl-TSR Timisoara

15h 10m1 stop Istanbul

9:05 pm - 5:10 pmTSR Timisoara-SEA Seattle/Tacoma Intl

30h 05m1 stop Istanbul

$690Turkish Airlines

Sat, Jan 9 - Sun, Jan 17

2:50 pm - 6:30 pmSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

17h 40m1 stop Munich Franz Josef Strauss

6:00 am - 9:32 amOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

37h 32m2 stops Frankfurt am Main Vancouver Intl

$699Multiple Airlines

Sun, Feb 7 - Wed, Feb 17

7:00 am - 1:05 amSEA Seattle/Tacoma Intl-CLJ Cluj Napoca

32h 05m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:10 am - 1:00 pmCLJ Cluj Napoca-SEA Seattle/Tacoma Intl

16h 50m1 stop Munich Franz Josef Strauss

$715Lufthansa

Wed, Jan 20 - Fri, Feb 5

5:00 am - 1:50 pmSEA Seattle/Tacoma Intl-CLJ Cluj Napoca

22h 50m2 stops San Francisco Munich Franz Josef Strauss

6:10 am - 1:00 pmCLJ Cluj Napoca-SEA Seattle/Tacoma Intl

16h 50m1 stop Munich Franz Josef Strauss

$721United Airlines

Mon, Feb 1 - Fri, Feb 5

6:45 pm - 12:05 amSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

19h 20m1 stop London Heathrow

8:15 am - 4:50 pmOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

18h 35m1 stop London Heathrow

$729British Airways

Mon, Feb 1 - Thu, Feb 4

6:45 pm - 3:05 pmSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

34h 20m1 stop London Heathrow

8:25 am - 4:50 pmOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

18h 25m1 stop London Heathrow

$729British Airways

Mon, Feb 1 - Fri, Feb 5

9:01 am - 1:50 pmSEA Seattle/Tacoma Intl-CLJ Cluj Napoca

18h 49m2 stops San Francisco Munich Franz Josef Strauss

6:10 am - 9:17 pmCLJ Cluj Napoca-SEA Seattle/Tacoma Intl

25h 07m2 stops Munich Franz Josef Strauss Denver Intl

$731United Airlines

Mon, Feb 1 - Fri, Feb 5

2:50 pm - 1:05 amSEA Seattle/Tacoma Intl-CLJ Cluj Napoca

24h 15m1 stop Munich Franz Josef Strauss

2:35 pm - 8:40 pmCLJ Cluj Napoca-SEA Seattle/Tacoma Intl

40h 05m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

$747Lufthansa

Wed, Feb 10 - Wed, Mar 10

Cheap last minute flights

Enter your travel dates to find the best prices.

8:05 pm - 9:05 amSEA Seattle/Tacoma Intl-CLJ Cluj Napoca

28h 00m1 stop Istanbul

9:55 am - 5:10 pmCLJ Cluj Napoca-SEA Seattle/Tacoma Intl

17h 15m1 stop Istanbul

$799Turkish Airlines

Thu, Oct 29 - Sat, Nov 14

8:05 pm - 8:15 pmSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

15h 10m1 stop Istanbul

9:35 pm - 5:10 pmOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

29h 35m1 stop Istanbul

$843Turkish Airlines

Wed, Oct 28 - Fri, Nov 13

8:05 pm - 8:15 pmSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

15h 10m1 stop Istanbul

10:00 am - 6:10 pmOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

18h 10m1 stop Istanbul

$853Turkish Airlines

Wed, Oct 28 - Sat, Nov 7

8:05 pm - 8:15 pmSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

15h 10m1 stop Istanbul

10:00 am - 5:10 pmOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

17h 10m1 stop Istanbul

$863Turkish Airlines

Wed, Oct 28 - Mon, Nov 9

3:50 pm - 6:30 pmSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

17h 40m1 stop Munich Franz Josef Strauss

6:00 am - 12:00 pmOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

16h 00m1 stop Frankfurt am Main

$954Lufthansa

Wed, Oct 28 - Thu, Nov 12

3:50 pm - 6:30 pmSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

17h 40m1 stop Munich Franz Josef Strauss

6:00 am - 12:00 pmOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

16h 00m1 stop Frankfurt am Main

$954Lufthansa

Wed, Oct 28 - Wed, Nov 11

3:50 pm - 6:30 pmSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

17h 40m1 stop Munich Franz Josef Strauss

6:00 am - 9:57 pmOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

25h 57m2 stops Munich Franz Josef Strauss Vancouver Intl

$955Multiple Airlines

Wed, Oct 28 - Thu, Nov 12

3:50 pm - 6:30 pmSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

17h 40m1 stop Munich Franz Josef Strauss

6:30 am - 8:47 pmOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

24h 17m2 stops Zurich San Francisco

$959Multiple Airlines

Wed, Oct 28 - Wed, Nov 11

3:50 pm - 6:30 pmSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

17h 40m1 stop Munich Franz Josef Strauss

6:30 am - 8:47 pmOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

24h 17m2 stops Zurich San Francisco

$959Multiple Airlines

Wed, Oct 28 - Fri, Nov 13

8:09 am - 1:00 amSEA Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl

31h 51m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

6:00 am - 12:00 pmOTP Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl

16h 00m1 stop Frankfurt am Main

$969Lufthansa

Tue, Oct 27 - Wed, Nov 11

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Delta flights from Seattle to Romania

Our best Delta deals on Seattle to Romania flight tickets

Delta

Nov 15

SEA6:00 amSeattle/Tacoma Intl

22h 10m

2 stops

OTP2:10 pmBucharest Otopeni Intl

Nov 23

OTP2:00 pmBucharest Otopeni Intl

31h 47m

1 stop

SEA11:47 amSeattle/Tacoma Intl

$804

Delta

Jan 9

SEA9:55 pmSeattle/Tacoma Intl

30h 15m

2 stops

OTP2:10 pmBucharest Otopeni Intl

Jan 29

OTP6:00 amBucharest Otopeni Intl

15h 49m

1 stop

SEA11:49 amSeattle/Tacoma Intl

$809

Delta

Jan 3

SEA3:25 pmSeattle/Tacoma Intl

21h 50m

1 stop

OTP11:15 pmBucharest Otopeni Intl

Jan 28

OTP2:00 pmBucharest Otopeni Intl

36h 53m

2 stops

SEA4:53 pmSeattle/Tacoma Intl

$815

KLM flights from Seattle to Romania

Our best KLM deals on Seattle to Romania flight tickets

KLM

Jan 5

SEA11:25 amSeattle/Tacoma Intl

18h 00m

2 stops

OTP3:25 pmBucharest Otopeni Intl

Jan 28

OTP6:00 amBucharest Otopeni Intl

15h 49m

1 stop

SEA11:49 amSeattle/Tacoma Intl

$813

KLM

Jan 5

SEA11:25 amSeattle/Tacoma Intl

18h 00m

2 stops

OTP3:25 pmBucharest Otopeni Intl

Jan 27

OTP6:00 amBucharest Otopeni Intl

18h 45m

2 stops

SEA2:45 pmSeattle/Tacoma Intl

$823

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Sun 11/15

2:35 pm-12:35 am

2 stops24h 00m

Bucharest Otopeni Intl

Wed 11/18

6:45 pm-5:00 pm

2 stops32h 15m

$612

Quickest round-trip

SeattleCluj Napoca

SEA Seattle/Tacoma Intl - CLJ Cluj Napoca

SEACLJ

Seattle/Tacoma Intl

Mon 11/16

7:05 pm-8:35 pm

1 stop15h 30m

Cluj Napoca

Mon 11/23

9:55 am-5:10 pm

1 stop17h 15m

$681

SeattleTimisoara

SEA Seattle/Tacoma Intl - TSR Timisoara

SEATSR

Seattle/Tacoma Intl

Sat 1/9

7:05 pm-8:15 pm

1 stop15h 10m

Timisoara

Sun 1/17

9:05 pm-5:10 pm

1 stop30h 05m

$690

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Sun 2/7

2:50 pm-6:30 pm

1 stop17h 40m

Bucharest Otopeni Intl

Wed 2/17

6:00 am-9:32 am

2 stops37h 32m

$699

SeattleCluj Napoca

SEA Seattle/Tacoma Intl - CLJ Cluj Napoca

SEACLJ

Seattle/Tacoma Intl

Wed 1/20

7:00 am-1:05 am

2 stops32h 05m

Cluj Napoca

Fri 2/5

6:10 am-1:00 pm

1 stop16h 50m

$715

SeattleCluj Napoca

SEA Seattle/Tacoma Intl - CLJ Cluj Napoca

SEACLJ

Seattle/Tacoma Intl

Mon 2/1

5:00 am-1:50 pm

2 stops22h 50m

Cluj Napoca

Fri 2/5

6:10 am-1:00 pm

1 stop16h 50m

$721

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 2/1

6:45 pm-12:05 am

1 stop19h 20m

Bucharest Otopeni Intl

Thu 2/4

8:15 am-4:50 pm

1 stop18h 35m

$729

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 2/1

6:45 pm-3:05 pm

1 stop34h 20m

Bucharest Otopeni Intl

Fri 2/5

8:25 am-4:50 pm

1 stop18h 25m

$729

SeattleCluj Napoca

SEA Seattle/Tacoma Intl - CLJ Cluj Napoca

SEACLJ

Seattle/Tacoma Intl

Mon 2/1

9:01 am-1:50 pm

2 stops18h 49m

Cluj Napoca

Fri 2/5

6:10 am-9:17 pm

2 stops25h 07m

$731

SeattleCluj Napoca

SEA Seattle/Tacoma Intl - CLJ Cluj Napoca

SEACLJ

Seattle/Tacoma Intl

Wed 2/10

2:50 pm-1:05 am

1 stop24h 15m

Cluj Napoca

Wed 3/10

2:35 pm-8:40 pm

2 stops40h 05m

$747

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Romania

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Romania?

The cheapest month to fly to Romania from Seattle is in November. Flight prices, which tend to average around $584, are often lower during this time because this is during the off-season. If you are unable to visit Romania during the month of November, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around $608.

Can stopping save me money on Seattle to Romania flights?

You could potentially save up to 4% on your flight if you consider stops on a Seattle to Romania flight.

Cheap Seattle to Romania flight deals and tips

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

Best Price Found	$325
Fastest flight time	13h 00m
Direct flights	None

The best one-way flight to Romania from Seattle in the past 72 hours is $325. The best round-trip flight deal from Seattle to Romania found on momondo in the last 72 hours is $612.

The fastest flight from Seattle to Romania takes 13h 00m

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

Search flight deals

Frequently asked questions about flying from Seattle to Romania

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Romania?
Prices for flights from Seattle/Tacoma Intl Airport to Romania are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Romania?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Romania is 6 as of October 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Romania?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Romania.
What documentation or ID do you need to fly to Romania?
The required travel and health documents for your Romania trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Romania. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Seattle to Romania

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

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $535	Free Cancellation	Rating 6.8 8,292 reviews	Search Lufthansa flights
United Airlines	PriceFrom $535	Free Cancellation	Rating 7.3 10,417 reviews	Search United Airlines flights
British Airways	PriceFrom $539	Free Cancellation	Rating 6.7 8,267 reviews	Search British Airways flights
KLM	PriceFrom $584	Free Cancellation	Rating 7.8 1,590 reviews	Search KLM flights
Turkish Airlines	PriceFrom $600	Free Cancellation	Rating 7.4 4,460 reviews	Search Turkish Airlines flights
Air France	PriceFrom $762	Free Cancellation	Rating 7.5 1,653 reviews	Search Air France flights

Why use momondo?

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

It is quick and easy to find Seattle to Romania flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Romania that suits you.

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

Yes. All flights to Romania 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 Romania?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Romania from Seattle.

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

Of course. momondo tracks the price of Seattle to Romania flights. All you need is a valid email address and we will do the rest; it is that quick and easy.