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Cheap flights from Knoxville to Bucharest from $539

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Bucharest departing on 2/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
1:55 pm - 6:35 pmTYS-OTP
21h 40m2 stops
Lufthansa Logo
5:50 am - 7:29 pmOTP-TYS
20h 39m2 stops
$539Lufthansa
Find Deal
Thu, Feb 19 - Thu, Feb 26
Lufthansa Logo
1:55 pm - 1:05 amTYS-OTP
28h 10m2 stops
Lufthansa Logo
5:50 am - 7:29 pmOTP-TYS
20h 39m2 stops
$540Lufthansa
Find Deal
Thu, Feb 19 - Thu, Feb 26
United Airlines Logo
9:40 am - 6:35 pmTYS-OTP
25h 55m2 stops
United Airlines Logo
6:05 am - 11:44 pmOTP-TYS
24h 39m2 stops
$548United Airlines
Find Deal
Fri, Feb 13 - Wed, Feb 18
British Airways Logo
6:35 am - 3:10 pmTYS-OTP
25h 35m2 stops
British Airways Logo
8:05 am - 9:47 pmOTP-TYS
20h 42m2 stops
$552British Airways
Find Deal
Fri, Feb 13 - Wed, Feb 18
Lufthansa Logo
10:16 am - 6:35 pmTYS-OTP
25h 19m2 stops
Lufthansa Logo
1:50 pm - 11:59 pmOTP-TYS
17h 09m2 stops
$647Lufthansa
Find Deal
Fri, Apr 17 - Thu, Apr 23
Multiple Airlines Logo
10:16 am - 1:05 pmTYS-OTP
19h 49m2 stops
Multiple Airlines Logo
1:50 pm - 11:59 pmOTP-TYS
17h 09m2 stops
$661Multiple Airlines
Find Deal
Fri, Apr 17 - Thu, Apr 23
British Airways Logo
3:03 pm - 7:05 pmTYS-OTP
21h 02m2 stops
British Airways Logo
8:25 am - 11:06 pmOTP-TYS
21h 41m2 stops
$751British Airways
Find Deal
Fri, Apr 17 - Thu, Apr 23
United Airlines Logo
10:55 am - 12:30 pmTYS-OTP
19h 35m2 stops
United Airlines Logo
1:50 pm - 11:59 pmOTP-TYS
17h 09m2 stops
$757United Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
8:31 pm - 11:25 pmTYS-OTP
20h 54m2 stops
American Airlines Logo
8:25 am - 12:04 amOTP-TYS
22h 39m2 stops
$850American Airlines
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Fri, Mar 27 - Tue, Mar 31
Multiple Airlines Logo
9:08 am - 3:10 pmTYS-OTP
23h 02m3 stops
Multiple Airlines Logo
3:30 pm - 11:55 amOTP-TYS
27h 25m2 stops
$1,968Multiple Airlines
Find Deal
Thu, Dec 18 - Sat, Dec 27

British Airways flights from Knoxville to Bucharest Otopeni Intl Airport

Our best British Airways deals on Knoxville to Bucharest Otopeni Intl Airport flight tickets
British Airways
Feb 13
TYS6:35 amKnoxville McGhee Tyson
25h 35m
2 stops
OTP3:10 pmBucharest Otopeni Intl
Feb 18
OTP8:05 amBucharest Otopeni Intl
20h 42m
2 stops
TYS9:47 pmKnoxville McGhee Tyson
$552
Find similar
British Airways
Apr 17
TYS3:03 pmKnoxville McGhee Tyson
21h 02m
2 stops
OTP7:05 pmBucharest Otopeni Intl
Apr 23
OTP8:25 amBucharest Otopeni Intl
21h 41m
2 stops
TYS11:06 pmKnoxville McGhee Tyson
$751
Find similar

Lufthansa flights from Knoxville to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Knoxville to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Feb 19
TYS1:55 pmKnoxville McGhee Tyson
21h 40m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Feb 26
OTP5:50 amBucharest Otopeni Intl
20h 39m
2 stops
TYS7:29 pmKnoxville McGhee Tyson
$539
Find similar
Lufthansa
Feb 19
TYS1:55 pmKnoxville McGhee Tyson
28h 10m
2 stops
OTP1:05 amBucharest Otopeni Intl
Feb 26
OTP5:50 amBucharest Otopeni Intl
20h 39m
2 stops
TYS7:29 pmKnoxville McGhee Tyson
$540
Find similar
Lufthansa
Apr 17
TYS10:16 amKnoxville McGhee Tyson
25h 19m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Apr 23
OTP1:50 pmBucharest Otopeni Intl
17h 09m
2 stops
TYS11:59 pmKnoxville McGhee Tyson
$647
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Bucharest Otopeni Intl Airport 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, momondo users made 832,500 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from Knoxville to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Thu 2/19

1:55 pm-6:35 pm

2 stops21h 40m

Bucharest Otopeni Intl

Thu 2/26

5:50 am-7:29 pm

2 stops20h 39m

$539

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Thu 2/19

1:55 pm-1:05 am

2 stops28h 10m

Bucharest Otopeni Intl

Thu 2/26

5:50 am-7:29 pm

2 stops20h 39m

$540

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

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

$552

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Fri 4/17

10:16 am-6:35 pm

2 stops25h 19m

Bucharest Otopeni Intl

Thu 4/23

1:50 pm-11:59 pm

2 stops17h 09m

$647

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Fri 4/17

10:16 am-1:05 pm

2 stops19h 49m

Bucharest Otopeni Intl

Thu 4/23

1:50 pm-11:59 pm

2 stops17h 09m

$661

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Fri 4/17

3:03 pm-7:05 pm

2 stops21h 02m

Bucharest Otopeni Intl

Thu 4/23

8:25 am-11:06 pm

2 stops21h 41m

$751

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Fri 3/27

10:55 am-12:30 pm

2 stops19h 35m

Bucharest Otopeni Intl

Tue 3/31

1:50 pm-11:59 pm

2 stops17h 09m

$757

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Fri 3/27

8:31 pm-11:25 pm

2 stops20h 54m

Bucharest Otopeni Intl

Tue 3/31

8:25 am-12:04 am

2 stops22h 39m

$850

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Thu 12/18

9:08 am-3:10 pm

3 stops23h 02m

Bucharest Otopeni Intl

Sat 12/27

3:30 pm-11:55 am

2 stops27h 25m

$1,968

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Knoxville to Bucharest Otopeni Intl Airport

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

What is the cheapest day to depart on your flight to Bucharest Otopeni Intl Airport?

Our data shows that Tuesday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $1,137. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Knoxville to Bucharest Otopeni Intl Airport for around $1,801.

What is the cheapest time of day to depart on your flight to Bucharest Otopeni Intl Airport?

Our most recent data shows that the best time of day to fly to Bucharest Otopeni Intl Airport is in the afternoon. Flights from Knoxville to Bucharest Otopeni Intl Airport during this time can be as low as $1,421. At noon is when there is more demand to fly to Bucharest Otopeni Intl Airport, so prices are often more expensive at around $1,736 per ticket.

When to book flights from Knoxville to Bucharest Otopeni Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Bucharest Otopeni Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Bucharest Otopeni Intl Airport (TYS to OTP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Bucharest Otopeni Intl Airport

Direct flights

None
There are no direct flights from Knoxville to Bucharest Otopeni Intl Airport. There are no popular flight routes from Knoxville to Bucharest Otopeni Intl Airport.
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  • How far is Knoxville McGhee Tyson to Bucharest Otopeni Intl by plane?

    Bucharest Otopeni Intl is 5358.1 mi away from Knoxville McGhee Tyson. A reasonable flight in good conditions will take 19h 35m.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Bucharest Otopeni Intl Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Bucharest Otopeni Intl Airport are updated daily.

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Bucharest Otopeni Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Bucharest Otopeni Intl Airport.

  • What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

    The required travel and health documents for your Bucharest Otopeni Intl Airport 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 Bucharest Otopeni Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Bucharest?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Knoxville to Bucharest. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Knoxville to Bucharest with flexible booking policies on momondo?

All flight searches from Knoxville to Bucharest on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Knoxville to Bucharest?

momondo provides multiple filters to help you find the best flight to Bucharest from Knoxville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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