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Cheap flights from Knoxville to Bucharest from $351

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Bucharest departing on 10/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Knoxville to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:38 am - 2:55 pmTYS  Knoxville McGhee Tyson-OTP Bucharest Otopeni Intl
24h 17m2 stops Philadelphia London Heathrow
British Airways Logo
4:00 pm - 8:48 pmOTP  Bucharest Otopeni Intl-TYS Knoxville McGhee Tyson
35h 48m2 stops London Heathrow Philadelphia
$815British Airways
Sun, Dec 6 - Mon, Dec 14
United Airlines Logo
4:16 pm - 12:30 pmTYS  Knoxville McGhee Tyson-OTP Bucharest Otopeni Intl
37h 14m2 stops Newark Vienna Intl
United Airlines Logo
7:10 pm - 8:54 pmOTP  Bucharest Otopeni Intl-TYS Knoxville McGhee Tyson
32h 44m2 stops Vienna Intl Newark
$825United Airlines
Sat, Jan 30 - Tue, Feb 2
United Airlines Logo
12:15 pm - 6:35 pmTYS  Knoxville McGhee Tyson-OTP Bucharest Otopeni Intl
23h 20m2 stops Houston George Bush Intcntl Munich Franz Josef Strauss
United Airlines Logo
1:45 pm - 9:45 amOTP  Bucharest Otopeni Intl-TYS Knoxville McGhee Tyson
27h 00m2 stops Frankfurt am Main Chicago O'Hare Intl
$897United Airlines
Sun, Sep 13 - Fri, Oct 16
United Airlines Logo
7:20 pm - 6:35 pmTYS  Knoxville McGhee Tyson-OTP Bucharest Otopeni Intl
16h 15m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
1:45 pm - 9:45 amOTP  Bucharest Otopeni Intl-TYS Knoxville McGhee Tyson
27h 00m2 stops Frankfurt am Main Chicago O'Hare Intl
$897United Airlines
Mon, Sep 14 - Fri, Oct 16
United Airlines Logo
5:45 am - 12:00 pmTYS  Knoxville McGhee Tyson-OTP Bucharest Otopeni Intl
23h 15m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
1:45 pm - 11:59 pmOTP  Bucharest Otopeni Intl-TYS Knoxville McGhee Tyson
17h 14m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$897United Airlines
Mon, Sep 14 - Thu, Oct 15
United Airlines Logo
9:45 am - 12:00 pmTYS  Knoxville McGhee Tyson-OTP Bucharest Otopeni Intl
19h 15m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
1:50 pm - 9:45 amOTP  Bucharest Otopeni Intl-TYS Knoxville McGhee Tyson
26h 55m2 stops Frankfurt am Main Chicago O'Hare Intl
$897United Airlines
Mon, Sep 14 - Tue, Oct 13
United Airlines Logo
5:45 am - 12:00 pmTYS  Knoxville McGhee Tyson-OTP Bucharest Otopeni Intl
23h 15m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
1:50 pm - 9:45 amOTP  Bucharest Otopeni Intl-TYS Knoxville McGhee Tyson
26h 55m2 stops Frankfurt am Main Chicago O'Hare Intl
$897United Airlines
Sun, Sep 13 - Tue, Oct 13
United Airlines Logo
12:15 pm - 6:35 pmTYS  Knoxville McGhee Tyson-OTP Bucharest Otopeni Intl
23h 20m2 stops Houston George Bush Intcntl Munich Franz Josef Strauss
United Airlines Logo
1:45 pm - 9:45 amOTP  Bucharest Otopeni Intl-TYS Knoxville McGhee Tyson
27h 00m2 stops Frankfurt am Main Chicago O'Hare Intl
$897United Airlines
Sun, Sep 13 - Wed, Oct 14
United Airlines Logo
5:45 am - 12:00 pmTYS  Knoxville McGhee Tyson-OTP Bucharest Otopeni Intl
23h 15m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
1:45 pm - 11:59 pmOTP  Bucharest Otopeni Intl-TYS Knoxville McGhee Tyson
17h 14m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$897United Airlines
Sun, Sep 13 - Thu, Oct 15
United Airlines Logo
1:10 pm - 12:00 pmTYS  Knoxville McGhee Tyson-OTP Bucharest Otopeni Intl
15h 50m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss
United Airlines Logo
1:45 pm - 9:45 amOTP  Bucharest Otopeni Intl-TYS Knoxville McGhee Tyson
27h 00m2 stops Frankfurt am Main Chicago O'Hare Intl
$897United Airlines
Mon, Sep 14 - Wed, Oct 14

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Lufthansa flights from Knoxville to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Knoxville to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Sep 15
TYS7:20 pmKnoxville McGhee Tyson
16h 15m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Oct 14
OTP6:05 amBucharest Otopeni Intl
24h 54m
2 stops
TYS11:59 pmKnoxville McGhee Tyson
$963
Lufthansa
Sep 14
TYS6:02 pmKnoxville McGhee Tyson
24h 08m
2 stops
OTP1:10 amBucharest Otopeni Intl
Oct 17
OTP7:20 pmBucharest Otopeni Intl
55h 59m
2 stops
TYS8:19 pmKnoxville McGhee Tyson
$980
Lufthansa
Sep 19
TYS7:20 pmKnoxville McGhee Tyson
34h 45m
2 stops
OTP1:05 pmBucharest Otopeni Intl
Oct 13
OTP6:05 amBucharest Otopeni Intl
24h 54m
2 stops
TYS11:59 pmKnoxville McGhee Tyson
$999

Air Canada flights from Knoxville to Bucharest Otopeni Intl Airport

Our best Air Canada deals on Knoxville to Bucharest Otopeni Intl Airport flight tickets
Air Canada
Sep 16
TYS9:45 amKnoxville McGhee Tyson
20h 05m
3 stops
OTP12:50 pmBucharest Otopeni Intl
Oct 15
OTP6:20 amBucharest Otopeni Intl
20h 59m
3 stops
TYS8:19 pmKnoxville McGhee Tyson
$1,615
Air Canada
Sep 20
TYS9:45 amKnoxville McGhee Tyson
20h 20m
3 stops
OTP1:05 pmBucharest Otopeni Intl
Sep 27
OTP6:05 amBucharest Otopeni Intl
24h 54m
3 stops
TYS11:59 pmKnoxville McGhee Tyson
$3,370

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 August 11, 2026.
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

Cheapest round-trip

KnoxvilleBucharest

TYS Knoxville McGhee Tyson - OTP Bucharest Otopeni Intl

TYSOTP

Knoxville McGhee Tyson

Sun 12/6

7:38 am-2:55 pm

2 stops24h 17m

Bucharest Otopeni Intl

Mon 12/14

4:00 pm-8:48 pm

2 stops35h 48m

$815

KnoxvilleBucharest

TYS Knoxville McGhee Tyson - OTP Bucharest Otopeni Intl

TYSOTP

Knoxville McGhee Tyson

Sat 1/30

4:16 pm-12:30 pm

2 stops37h 14m

Bucharest Otopeni Intl

Tue 2/2

7:10 pm-8:54 pm

2 stops32h 44m

$825

KnoxvilleBucharest

TYS Knoxville McGhee Tyson - OTP Bucharest Otopeni Intl

TYSOTP

Knoxville McGhee Tyson

Sun 9/13

12:15 pm-6:35 pm

2 stops23h 20m

Bucharest Otopeni Intl

Fri 10/16

1:45 pm-9:45 am

2 stops27h 00m

$897

KnoxvilleBucharest

TYS Knoxville McGhee Tyson - OTP Bucharest Otopeni Intl

TYSOTP

Knoxville McGhee Tyson

Mon 9/14

7:20 pm-6:35 pm

2 stops16h 15m

Bucharest Otopeni Intl

Fri 10/16

1:45 pm-9:45 am

2 stops27h 00m

$897
Quickest round-trip

KnoxvilleBucharest

TYS Knoxville McGhee Tyson - OTP Bucharest Otopeni Intl

TYSOTP

Knoxville McGhee Tyson

Mon 9/14

5:45 am-12:00 pm

2 stops23h 15m

Bucharest Otopeni Intl

Thu 10/15

1:45 pm-11:59 pm

2 stops17h 14m

$897

KnoxvilleBucharest

TYS Knoxville McGhee Tyson - OTP Bucharest Otopeni Intl

TYSOTP

Knoxville McGhee Tyson

Mon 9/14

9:45 am-12:00 pm

2 stops19h 15m

Bucharest Otopeni Intl

Tue 10/13

1:50 pm-9:45 am

2 stops26h 55m

$897

KnoxvilleBucharest

TYS Knoxville McGhee Tyson - OTP Bucharest Otopeni Intl

TYSOTP

Knoxville McGhee Tyson

Sun 9/13

5:45 am-12:00 pm

2 stops23h 15m

Bucharest Otopeni Intl

Tue 10/13

1:50 pm-9:45 am

2 stops26h 55m

$897

KnoxvilleBucharest

TYS Knoxville McGhee Tyson - OTP Bucharest Otopeni Intl

TYSOTP

Knoxville McGhee Tyson

Sun 9/13

12:15 pm-6:35 pm

2 stops23h 20m

Bucharest Otopeni Intl

Wed 10/14

1:45 pm-9:45 am

2 stops27h 00m

$897

KnoxvilleBucharest

TYS Knoxville McGhee Tyson - OTP Bucharest Otopeni Intl

TYSOTP

Knoxville McGhee Tyson

Sun 9/13

5:45 am-12:00 pm

2 stops23h 15m

Bucharest Otopeni Intl

Thu 10/15

1:45 pm-11:59 pm

2 stops17h 14m

$897

KnoxvilleBucharest

TYS Knoxville McGhee Tyson - OTP Bucharest Otopeni Intl

TYSOTP

Knoxville McGhee Tyson

Mon 9/14

1:10 pm-12:00 pm

2 stops15h 50m

Bucharest Otopeni Intl

Wed 10/14

1:45 pm-9:45 am

2 stops27h 00m

$897

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

24h 17m

Direct flights

None
The fastest flight from Knoxville to Bucharest Otopeni Intl Airport takes 24h 17m
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

Frequently asked questions about flying from Knoxville to Bucharest Otopeni Intl Airport

  • 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 24h 17m.

  • 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.

Frequently asked questions about flying from Knoxville to Bucharest Otopeni Intl Airport

  • How do I get Price Alerts for flights from Knoxville to Bucharest Otopeni Intl Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Knoxville from Bucharest Otopeni Intl Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Knoxville to Bucharest Otopeni Intl Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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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