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$338+ Cheap flights from Knoxville (TYS) to Romania

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — OTP
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Cheap flight deals from Knoxville to Romania

Keep the following information in mind while searching for Knoxville to Romania flight deals. Data was last updated November 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$536
(FlightHub)

One-way from

$338
(Kiwi.com)
Provider with most accurate pricing for Knoxville McGhee Tyson-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Bucharest (BUH) flights.
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From Knoxville McGhee Tyson to Romania
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One-way flight from Knoxville McGhee Tyson to Romania
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Find flight deals from Knoxville to Romania

Cheapest flights from Knoxville to Romania
Explore the most affordable flight options available from Knoxville to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:25 pmTYS - OTP
2 stops16h 10mUnited Airlines
Tue 12/235:55 amOTP - TYS
2 stops25h 04mUnited Airlines
Deal found 11/20$747
This Delta deal was found by Cheapflights users on 11/20. 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.
Sun 12/77:10 amTYS - OTP
2 stops21h 55mDelta
Thu 12/256:00 amOTP - TYS
2 stops21h 32mDelta
Deal found 11/20$748
This Lufthansa deal was found by Cheapflights users on 11/20. 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.
Mon 12/82:30 pmTYS - OTP
2 stops14h 50mLufthansa
Wed 12/246:05 amOTP - TYS
2 stops20h 46mLufthansa
Deal found 11/20$749
This Delta deal was found by Cheapflights users on 11/20. 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 12/63:50 pmTYS - OTP
2 stops37h 15mDelta
Tue 12/231:55 pmOTP - TYS
2 stops40h 18mDelta
Deal found 11/20$750
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:25 pmTYS - OTP
2 stops16h 10mUnited Airlines
Mon 12/222:50 pmOTP - TYS
2 stops40h 09mUnited Airlines
Deal found 11/20$766
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:25 pmTYS - OTP
2 stops21h 25mUnited Airlines
Mon 12/222:50 pmOTP - TYS
2 stops40h 09mUnited Airlines
Deal found 11/20$779
This Delta deal was found by Cheapflights users on 11/20. 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.
Tue 12/912:50 pmTYS - OTP
2 stops27h 00mDelta
Tue 12/231:55 pmOTP - TYS
2 stops40h 18mDelta
Deal found 11/20$858
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:38 amTYS - OTP
2 stops25h 07mBritish Airways
Thu 12/258:00 amOTP - TYS
2 stops44h 21mBritish Airways
Deal found 11/20$953
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:38 amTYS - OTP
2 stops25h 07mBritish Airways
Tue 12/234:40 pmOTP - TYS
2 stops56h 27mBritish Airways
Deal found 11/20$954
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:42 amTYS - OTP
2 stops29h 13mUnited Airlines
Mon 12/222:50 pmOTP - TYS
2 stops40h 09mUnited Airlines
Deal found 11/20$971
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:25 pmTYS - OTP
2 stops22h 40mLufthansa
Fri 12/265:55 amOTP - TYS
2 stops25h 04mLufthansa
Deal found 11/20$982
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:25 pmTYS - OTP
2 stops21h 25mLufthansa
Fri 12/265:55 amOTP - TYS
2 stops25h 04mLufthansa
Deal found 11/20$995

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Romania 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 November 21, 2025.
Use the filters below to find and compare flights from Knoxville to Romania that are best for you.

Fly from

Knoxville

Fly to

Romania

Route

Depart

Return

Price

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Thu 2/19

2:21 pm-12:20 pm

2 stops14h 59m

Bucharest Otopeni Intl

Thu 2/26

6:05 am-7:29 pm

2 stops20h 24m

$536

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Thu 2/19

6:35 am-7:30 pm

2 stops29h 55m

Bucharest Otopeni Intl

Thu 2/26

9:00 pm-9:47 pm

2 stops31h 47m

$542

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Fri 2/13

6:35 am-3:10 pm

2 stops25h 35m

Bucharest Otopeni Intl

Wed 2/18

8:05 am-9:47 pm

2 stops20h 42m

$542

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Fri 2/13

9:40 am-6:35 pm

2 stops25h 55m

Bucharest Otopeni Intl

Wed 2/18

6:05 am-11:44 pm

2 stops24h 39m

$548

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Thu 2/19

5:27 pm-1:05 am

2 stops24h 38m

Bucharest Otopeni Intl

Mon 2/23

5:55 am-7:29 pm

2 stops20h 34m

$548

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Sun 2/1

2:19 pm-7:35 pm

2 stops22h 16m

Bucharest Otopeni Intl

Sat 2/7

4:00 pm-10:09 pm

2 stops37h 09m

$571

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Mon 12/8

7:25 pm-6:35 pm

2 stops16h 10m

Bucharest Otopeni Intl

Tue 12/23

5:55 am-11:59 pm

2 stops25h 04m

$747

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Sun 12/7

7:10 am-12:05 pm

2 stops21h 55m

Bucharest Otopeni Intl

Thu 12/25

6:00 am-8:32 pm

2 stops21h 32m

$748

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Sun 12/7

10:35 am-12:05 pm

2 stops18h 30m

Bucharest Otopeni Intl

Tue 12/23

1:55 pm-11:13 pm

2 stops40h 18m

$748

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Thu 12/11

7:38 am-7:30 pm

2 stops28h 52m

Bucharest Otopeni Intl

Tue 12/23

4:40 pm-6:07 pm

2 stops56h 27m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 18 results
1
2

Best time to book a flight from Knoxville to Romania

Have a flexible travel schedule? Discover the best time to fly to Romania from Knoxville 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.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Romania

What is the cheapest time of day to fly from TYS to RO?

Find hourly flight availability from Knoxville to Romania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Romania in the evening. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Romania

Get insights into the airlines that provide service to Romania. 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 Romania. Reviews last updated November 21, 2025.
Read reviews from past customers who have flown United Airlines and Lufthansa from Knoxville to Romania. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,028 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,028 reviews
United Airlines
7.4
Good
9,028 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,579 reviews
United Airlines
7.4
Good
9,028 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Romania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Knoxville to Romania?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson (TYS) is the airport most travelers will use when flying to Romania from Knoxville.

  • How long is the flight from Knoxville to Romania?

    For as low as $536, Lufthansa can have you in Romania from Knoxville in 14h 59m. Knoxville and Romania are separated by a distance of 5369 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Knoxville to Romania that include hotel bookings?

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

  • How can I find direct flights from Knoxville to Romania?

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

  • Can I find deals for business class flights from Knoxville to Romania?

    Yes. Cheapflights offers flight deals from Knoxville to Romania 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 2 airlines flying from Knoxville to Romania

Discover the top 2 airlines that operate flights from Knoxville to Romania. 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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$703Average$1,241FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$783Average$1,056FlexibilityNo cancel feeOn-time76%

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