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Cheap flights from Knoxville to Bucharest from $536

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
2:21 pm - 12:20 pm
TYS
-
OTP
14h 59m2 stops
Lufthansa Logo
5:50 am - 8:57 pm
OTP
-
TYS
22h 07m2 stops
$536Lufthansa
Thu, Feb 19 - Thu, Feb 26
British Airways Logo
2:19 pm - 2:55 pm
TYS
-
OTP
17h 36m2 stops
British Airways Logo
4:00 pm - 8:56 pm
OTP
-
TYS
35h 56m2 stops
$537British Airways
Sun, Feb 1 - Sat, Feb 7
United Airlines Logo
6:45 am - 2:10 pm
TYS
-
OTP
24h 25m2 stops
United Airlines Logo
5:55 am - 8:52 pm
OTP
-
TYS
21h 57m2 stops
$563United Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
1:59 pm - 2:00 pm
TYS
-
OTP
17h 01m2 stops
United Airlines Logo
6:05 am - 7:27 pm
OTP
-
TYS
20h 22m3 stops
$566United Airlines
Wed, Jan 14 - Wed, Jan 21
United Airlines Logo
1:55 pm - 12:30 pm
TYS
-
OTP
15h 35m2 stops
United Airlines Logo
6:05 am - 11:44 pm
OTP
-
TYS
24h 39m2 stops
$571United Airlines
Fri, Feb 13 - Wed, Feb 18
United Airlines Logo
1:59 pm - 2:00 pm
TYS
-
OTP
17h 01m2 stops
United Airlines Logo
2:50 pm - 11:44 pm
OTP
-
TYS
39h 54m2 stops
$583United Airlines
Wed, Jan 14 - Sun, Jan 18
Air Canada Logo
9:30 am - 2:00 pm
TYS
-
OTP
21h 30m3 stops
Air Canada Logo
6:05 am - 7:27 pm
OTP
-
TYS
20h 22m3 stops
$673Air Canada
Wed, Jan 14 - Wed, Jan 21
British Airways Logo
5:47 pm - 11:25 pm
TYS
-
OTP
23h 38m2 stops
British Airways Logo
6:15 pm - 9:32 pm
OTP
-
TYS
34h 17m2 stops
$785British Airways
Fri, Mar 27 - Tue, Mar 31
Multiple Airlines Logo
6:56 pm - 12:45 am
TYS
-
OTP
22h 49m2 stops
Multiple Airlines Logo
8:25 am - 11:16 pm
OTP
-
TYS
21h 51m2 stops
$1,239Multiple Airlines
Sun, Jun 14 - Wed, Jun 24
Multiple Airlines Logo
7:20 pm - 8:10 pm
TYS
-
OTP
17h 50m2 stops
Multiple Airlines Logo
8:35 am - 8:39 pm
OTP
-
TYS
19h 04m2 stops
$1,289Multiple Airlines
Sun, Jun 14 - Wed, Jun 24

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 1
TYS2:19 pmKnoxville McGhee Tyson
17h 36m
2 stops
OTP2:55 pmBucharest Otopeni Intl
Feb 7
OTP4:00 pmBucharest Otopeni Intl
35h 56m
2 stops
TYS8:56 pmKnoxville McGhee Tyson
$537
Find similar
British Airways
Mar 27
TYS5:47 pmKnoxville McGhee Tyson
23h 38m
2 stops
OTP11:25 pmBucharest Otopeni Intl
Mar 31
OTP6:15 pmBucharest Otopeni Intl
34h 17m
2 stops
TYS9:32 pmKnoxville McGhee Tyson
$785
Find similar
British Airways
Jun 14
TYS7:50 amKnoxville McGhee Tyson
23h 15m
2 stops
OTP2:05 pmBucharest Otopeni Intl
Jun 24
OTP4:15 pmBucharest Otopeni Intl
56h 18m
2 stops
TYS5:33 pmKnoxville McGhee Tyson
$1,134
Find similar

United Airlines flights from Knoxville to Bucharest Otopeni Intl Airport

Our best United Airlines deals on Knoxville to Bucharest Otopeni Intl Airport flight tickets
United Airlines
Jan 30
TYS6:45 amKnoxville McGhee Tyson
24h 25m
2 stops
OTP2:10 pmBucharest Otopeni Intl
Feb 3
OTP5:55 amBucharest Otopeni Intl
21h 57m
2 stops
TYS8:52 pmKnoxville McGhee Tyson
$563
Find similar
United Airlines
Jan 14
TYS1:59 pmKnoxville McGhee Tyson
17h 01m
2 stops
OTP2:00 pmBucharest Otopeni Intl
Jan 21
OTP6:05 amBucharest Otopeni Intl
20h 22m
3 stops
TYS7:27 pmKnoxville McGhee Tyson
$566
Find similar
United Airlines
Feb 13
TYS1:55 pmKnoxville McGhee Tyson
15h 35m
2 stops
OTP12:30 pmBucharest Otopeni Intl
Feb 18
OTP6:05 amBucharest Otopeni Intl
24h 39m
2 stops
TYS11:44 pmKnoxville McGhee Tyson
$571
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 December 18, 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

2:21 pm-12:20 pm

2 stops14h 59m

Bucharest Otopeni Intl

Thu 2/26

5:50 am-8:57 pm

2 stops22h 07m

$536

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Sun 2/1

2:19 pm-2:55 pm

2 stops17h 36m

Bucharest Otopeni Intl

Sat 2/7

4:00 pm-8:56 pm

2 stops35h 56m

$537

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Fri 1/30

6:45 am-2:10 pm

2 stops24h 25m

Bucharest Otopeni Intl

Tue 2/3

5:55 am-8:52 pm

2 stops21h 57m

$563

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Wed 1/14

1:59 pm-2:00 pm

2 stops17h 01m

Bucharest Otopeni Intl

Wed 1/21

6:05 am-7:27 pm

3 stops20h 22m

$566

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Fri 2/13

1:55 pm-12:30 pm

2 stops15h 35m

Bucharest Otopeni Intl

Wed 2/18

6:05 am-11:44 pm

2 stops24h 39m

$571

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Wed 1/14

1:59 pm-2:00 pm

2 stops17h 01m

Bucharest Otopeni Intl

Sun 1/18

2:50 pm-11:44 pm

2 stops39h 54m

$583

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Wed 1/14

9:30 am-2:00 pm

3 stops21h 30m

Bucharest Otopeni Intl

Wed 1/21

6:05 am-7:27 pm

3 stops20h 22m

$673

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Fri 3/27

5:47 pm-11:25 pm

2 stops23h 38m

Bucharest Otopeni Intl

Tue 3/31

6:15 pm-9:32 pm

2 stops34h 17m

$785

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Sun 6/14

6:56 pm-12:45 am

2 stops22h 49m

Bucharest Otopeni Intl

Wed 6/24

8:25 am-11:16 pm

2 stops21h 51m

$1,239

KnoxvilleBucharest

TYS - OTP

TYSOTP

Knoxville McGhee Tyson

Sun 6/14

7:20 pm-8:10 pm

2 stops17h 50m

Bucharest Otopeni Intl

Wed 6/24

8:35 am-8:39 pm

2 stops19h 04m

$1,289

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Bucharest from

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

Fastest flight time

14h 59m

Direct flights

None
The fastest flight from Knoxville to Bucharest Otopeni Intl Airport takes 14h 59m
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.
Search flight deals

  • 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 14h 59m.

  • 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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