$442+ Cheap flights from Otopeni Intl (OTP) 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — SEA
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from Otopeni Intl to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Otopeni Intl to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Otopeni Intl to SeattleExplore the most affordable flight options available from Otopeni Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from Otopeni Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Thu 10/18:40 am -
2 stops22h 00m
Thu 10/157:00 pm -
2 stops22h 15m
Deal found 9/13![Multiple Airlines logo]()
$761
This Trip.com deal was found by Cheapflights users on 9/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:35 am -
2 stops19h 19m
Tue 11/37:24 am -
3 stops24h 21m
Deal found 9/12![Multiple Airlines logo]()
$801
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:35 am -
2 stops19h 19m
Mon 11/27:24 am -
3 stops24h 21m
Deal found 9/11![Multiple Airlines logo]()
$807
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:10 pm -
1 stop29h 15m
Wed 10/144:25 pm -
1 stop29h 20m
Deal found 9/10![Qatar Airways logo]()
$844
This Gotogate deal was found by Cheapflights users on 9/9. 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.
Mon 9/215:10 pm -
1 stop29h 55m
Mon 10/54:25 pm -
1 stop29h 20m
Deal found 9/9![Qatar Airways logo]()
$846
This Gotogate deal was found by Cheapflights users on 9/10. 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 10/165:10 pm -
1 stop29h 15m
Wed 10/284:50 pm -
1 stop28h 50m
Deal found 9/10![Qatar Airways logo]()
$847
This Gotogate deal was found by Cheapflights users on 9/12. 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.
Sun 9/205:10 pm -
1 stop29h 55m
Mon 10/54:25 pm -
1 stop29h 20m
Deal found 9/12![Qatar Airways logo]()
$848
Best flights from Otopeni Intl to SeattleDiscover carefully curated flight deals from Otopeni Intl to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from Otopeni Intl to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
This Qatar Airways deal was found by Cheapflights users on 9/13. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:10 pm -
1 stop29h 55m
Sun 10/114:25 pm -
1 stop29h 20m
Deal found 9/13![Qatar Airways logo]()
$883
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:05 am -
1 stop14h 42m
Sun 10/117:15 am -
2 stops19h 30m
Deal found 9/13![Delta logo]()
$1,009
This Qatar Airways deal was found by Cheapflights users on 9/10. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:10 pm -
2 stops35h 23m
Wed 10/284:50 pm -
1 stop28h 50m
Deal found 9/10![Qatar Airways logo]()
$901
This Qatar Airways deal was found by Cheapflights users on 9/8. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:10 pm -
1 stop29h 15m
Mon 10/194:25 pm -
1 stop29h 20m
Deal found 9/8![Qatar Airways logo]()
$970
Last-minute flights from Otopeni Intl to SeattleDiscover last-minute flight deals from Otopeni Intl to Seattle. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Otopeni Intl to Seattle. Data last updated September 14, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/12. 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.
Sun 9/205:10 pm -
1 stop29h 55m
Mon 10/54:25 pm -
1 stop29h 20m
Deal found 9/12![Qatar Airways logo]()
$848
This Gotogate deal was found by Cheapflights users on 9/9. 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.
Mon 9/215:10 pm -
1 stop29h 55m
Mon 10/54:25 pm -
1 stop29h 20m
Deal found 9/9![Qatar Airways logo]()
$846
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Thu 10/18:40 am -
2 stops22h 00m
Thu 10/157:00 pm -
2 stops22h 15m
Deal found 9/13![Multiple Airlines logo]()
$761
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:10 pm -
1 stop29h 15m
Wed 10/144:25 pm -
1 stop29h 20m
Deal found 9/10![Qatar Airways logo]()
$844
This Gotogate deal was found by Cheapflights users on 9/10. 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 10/165:10 pm -
1 stop29h 15m
Wed 10/284:50 pm -
1 stop28h 50m
Deal found 9/10![Qatar Airways logo]()
$847
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:35 am -
2 stops19h 19m
Mon 11/27:24 am -
3 stops24h 21m
Deal found 9/11![Multiple Airlines logo]()
$807
This Trip.com deal was found by Cheapflights users on 9/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:35 am -
2 stops19h 19m
Tue 11/37:24 am -
3 stops24h 21m
Deal found 9/12![Multiple Airlines logo]()
$801
One-way flights from Otopeni Intl to SeattleSearch for one-way flight options from Otopeni Intl to Seattle. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
Search for one-way flight options from Otopeni Intl to Seattle. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/226:55 am -
2 stops40h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$442
This FlightHub deal was found by Cheapflights users on 9/12. 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.
Thu 10/228:35 am -
2 stops23h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$488
This Flightnetwork deal was found by Cheapflights users on 9/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:35 am -
1 stop17h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![TAROM logo]()
$495
This oojo deal was found by Cheapflights users on 9/12. 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.
Thu 10/228:35 am -
1 stop17h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![TAROM logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Wed 9/307:50 pm -
2 stops51h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$509
This oojo deal was found by Cheapflights users on 9/10. 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.
Sun 11/225:30 pm -
1 stop32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![TAROM logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Tue 9/2910:00 pm -
3 stops56h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$544
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Sat 10/1711:00 pm -
3 stops53h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 9/2810:35 pm -
3 stops32h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$569
Find flight deals from Otopeni Intl to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Otopeni Intl (OTP) 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 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $761 (Mytrip) |
One-way from | $442 (Kiwi.com) |
Popular in | June |
Cheapest in | December |
Average price | $1,140 |
Cheapflights Fare Finder
Customize your flight search to find flights from Otopeni Intl 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 7,457,451 searches. Data last updated September 14, 2026.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BucharestSeattle
OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl
OTPSEA
Bucharest Otopeni Intl
Sun 11/22
6:55 am-1:40 pm
2 stops40h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$442
Quickest round-trip
BucharestSeattle
OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl
OTPSEA
Bucharest Otopeni Intl
Thu 10/15
8:35 am-4:00 pm
1 stop17h 25m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$495
BucharestSeattle
OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl
OTPSEA
Bucharest Otopeni Intl
Thu 10/22
8:35 am-4:00 pm
1 stop17h 25m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$496
BucharestSeattle
OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl
OTPSEA
Bucharest Otopeni Intl
Thu 10/15
6:30 pm-4:00 pm
2 stops31h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$612
BucharestSeattle
OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl
OTPSEA
Bucharest Otopeni Intl
Sat 10/17
6:05 pm-5:20 pm
3 stops57h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$616
BucharestSeattle
OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl
OTPSEA
Bucharest Otopeni Intl
Sat 9/26
5:10 pm-1:05 pm
1 stop29h 55m
Seattle/Tacoma Intl
Sun 10/11
4:25 pm-7:45 am
1 stop29h 20m
$883
BucharestSeattle
OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl
OTPSEA
Bucharest Otopeni Intl
Fri 10/16
5:10 pm-6:33 pm
2 stops35h 23m
Seattle/Tacoma Intl
Wed 10/28
4:50 pm-6:40 am
1 stop28h 50m
$901
BucharestSeattle
OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl
OTPSEA
Bucharest Otopeni Intl
Thu 10/15
5:10 pm-12:25 pm
1 stop29h 15m
Seattle/Tacoma Intl
Mon 10/19
4:25 pm-7:45 am
1 stop29h 20m
$970
BucharestSeattle
OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl
OTPSEA
Bucharest Otopeni Intl
Sat 9/26
7:05 am-11:47 am
1 stop14h 42m
Seattle/Tacoma Intl
Sun 10/11
7:15 am-12:45 pm
2 stops19h 30m
$1,009
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Bucharest Otopeni Intl Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bucharest Otopeni Intl Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bucharest Otopeni Intl Airport-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Bucharest Otopeni Intl Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub 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 Bucharest Otopeni Intl Airport-Seattle 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 Otopeni Intl to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Otopeni Intl with our price prediction graph.
OTP-SEA
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.
Cheapflights Insights
Everything you need to know about your flight from Bucharest Otopeni Intl Airport to Seattle
What is the cheapest month to book a flight from Bucharest Otopeni Intl Airport to Seattle?
Currently, December is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Seattle (average of $813). Flying from Bucharest Otopeni Intl Airport to Seattle in June is currently the most expensive (average of $1,190). 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.
How much does it cost to fly round-trip from Bucharest Otopeni Intl Airport to Seattle?
Airfare is below average for this route at the moment.
Bucharest Otopeni Intl Airport to Seattle flights typically cost between $996 and $1,219 in October.The cheapest round-trip price found within the last 5 days was $761 on Multiple Airlines (Oct 1-Oct 15).
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated September 14, 2026.
Get a feel of what it's like to fly with Turkish Airlines from Bucharest Otopeni Intl Airport to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.8
Food
7.5
Overall
7.4
Boarding
7.3
Comfort
7.3
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
Crew
7.8
Food
7.5
Overall
7.4
Boarding
7.3
Comfort
7.3
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
Related info for your journey
Find useful and relevant information for your journey from Otopeni Intl to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
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Snoqualmie
Puyallup
Lynnwood
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Kent
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Otopeni Intl and Seattle flights
Browse other Otopeni Intl and Seattle flight options. Last updated on September 14, 2026.
Other flights from Otopeni Intl
Browse through other flights departing from Otopeni Intl. Flights are based on user searches made on Cheapflights and were last updated on September 14, 2026.
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Top airline flying from Otopeni Intl to Seattle
Discover the top airline that operate flights from Otopeni Intl to Seattle. 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 7,457,451 searches. Data last updated September 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$850 | Average$1,030 | FlexibilityNo cancel fee | On-time77% |