What are the cheapest airlines to fly from Romania to London Heathrow Airport one-way?

The cheapet airlines for a one-way flight from Romania to London Heathrow Airport are British Airways (£38), Air Serbia (£69), and Aegean Airlines (£75).

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Romania to London Heathrow Airport?

The most popular flight routes from Romania to London Heathrow Airport are Bucharest Otopeni Intl - London Heathrow, Timisoara - London Heathrow and Cluj Napoca - London Heathrow.

What are the cheapest flights from Romania to London Heathrow Airport?

While on average a flight from Romania to London Heathrow Airport is generally £149, our data shows the cheapest flight currently is £43. When looking at the most popular route, (Bucharest Otopeni Intl - London Heathrow), you can expect to pay £89 for that flight.

What are the most reliable airlines from Romania to London Heathrow Airport?

Consider Royal Air Maroc (82%), American Airlines (74%) or British Airways (70%) when booking your flight. These represent the most reliable airlines when flying from Romania to London Heathrow Airport.

How far in advance should I book a flight from Romania to London Heathrow Airport?

To save on the cost of your flight from Romania to London Heathrow Airport, book at least 50 days before your planned departure. Booking around this time can save you about 161% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £98 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £204.

What is the cheapest month to fly from Romania to London Heathrow Airport?

March can be a great time to fly to London Heathrow Airport from Romania with a flight ticket averaging about £103. Cheapflights users have found deals in the month of March for as cheap as £35. The most expensive prices can be found in the month of July.

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

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

How can I find direct flights from Romania to Heathrow?

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

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

Yes. Cheapflights offers flight deals from Romania to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£38+ Flights from Romania to London Heathrow Airport

Cheap flight deals from Romania to Heathrow

Round-trip from	£89
One-way from	£38
Popular in	July
Cheapest in	March
Average price	£167
Good round-trip deal	£129 or less
Good one-way deal	£66 or less

British Airways
22/11-25/11
Nonstop
7h 10m total
Romania to London

Search Deals

British Airways
28/11
Nonstop
3h 30m total
Romania to London

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (£28 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from Romania to London Heathrow.

Search Deals

Price to beat on a one-way flight from Romania to London Heathrow.

Search Deals

Find flight deals from Romania to Heathrow

Cheapest flights from Romania to Heathrow
Explore the most affordable flight options available from Romania to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Sat 22/1108:05OTP - LHR

Nonstop3h 55mBritish Airways

Tue 25/1117:45LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 17/7£89

Thu 25/918:05CLJ - LHR

1 stop5h 55mLOT

Sun 28/906:30LHR - CLJ

1 stop4h 50mLOT

Deal found 16/7£126

Fri 12/913:40SBZ - LHR

1 stop10h 00mAustrian Airlines

Sun 21/906:00LHR - SBZ

1 stop5h 30mAustrian Airlines

Deal found 18/7£137

Fri 28/1114:25SBZ - LHR

1 stop7h 10mLufthansa

Sun 30/1107:40LHR - SBZ

1 stop15h 10mLufthansa

Deal found 16/7£139

Thu 9/1021:15OTP - LHR

Nonstop3h 25mMultiple Airlines

Sun 12/1022:15LHR - OTP

1 stop8h 50mMultiple Airlines

Deal found 18/7£142

Thu 11/913:40SBZ - LHR

1 stop20h 40mMultiple Airlines

Wed 17/917:50LHR - SBZ

1 stop5h 05mMultiple Airlines

Deal found 17/7£145

Fri 7/1116:05IAS - LHR

1 stop24h 00mAustrian Airlines

Tue 11/1114:50LHR - IAS

1 stop22h 30mAustrian Airlines

Deal found 17/7£145

Fri 5/914:10OMR - LHR

1 stop10h 30mLufthansa

Tue 16/906:55LHR - OMR

1 stop4h 40mLufthansa

Deal found 18/7£146

Sat 22/1105:25TSR - LHR

1 stop4h 40mLufthansa

Tue 25/1108:45LHR - TSR

1 stop13h 20mLufthansa

Deal found 16/7£150

Fri 12/914:30OMR - LHR

1 stop20h 50mLOT

Sun 21/906:30LHR - OMR

1 stop9h 00mLOT

Deal found 18/7£155

Sat 25/1018:05CLJ - LHR

1 stop17h 00mLufthansa

Thu 30/1006:35LHR - CLJ

1 stop5h 05mLufthansa

Deal found 18/7£155

Mon 1/1215:25CLJ - LHR

1 stop5h 50mMultiple Airlines

Fri 5/1206:35LHR - CLJ

1 stop5h 05mMultiple Airlines

Deal found 16/7£160

Best flights from Romania to Heathrow
Discover carefully curated flight deals from Romania to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 July 2025.

Sat 22/1108:05OTP - LHR

Nonstop3h 55mBritish Airways

Tue 25/1117:45LHR - OTP

Nonstop3h 15mBritish Airways

Deal found 17/7£89

Thu 25/918:05CLJ - LHR

1 stop5h 55mLOT

Sun 28/906:30LHR - CLJ

1 stop4h 50mLOT

Deal found 16/7£126

Fri 12/913:40SBZ - LHR

1 stop10h 00mAustrian Airlines

Sun 21/906:00LHR - SBZ

1 stop5h 30mAustrian Airlines

Deal found 18/7£137

Fri 28/1114:25SBZ - LHR

1 stop7h 10mLufthansa

Sun 30/1107:40LHR - SBZ

1 stop15h 10mLufthansa

Deal found 16/7£139

Thu 9/1021:15OTP - LHR

Nonstop3h 25mMultiple Airlines

Sun 12/1022:15LHR - OTP

1 stop8h 50mMultiple Airlines

Deal found 18/7£142

Mon 1/1215:25CLJ - LHR

1 stop5h 50mSWISS

Fri 5/1217:25LHR - CLJ

2 stops43h 05mSWISS

Deal found 16/7£189

Sat 22/1105:20SCV - LHR

2 stops13h 40mKLM

Sun 23/1106:30LHR - SCV

2 stops14h 30mKLM

Deal found 18/7£261

Thu 11/913:40SBZ - LHR

1 stop20h 40mMultiple Airlines

Wed 17/917:50LHR - SBZ

1 stop5h 05mMultiple Airlines

Deal found 17/7£145

Fri 7/1116:05IAS - LHR

1 stop24h 00mAustrian Airlines

Tue 11/1114:50LHR - IAS

1 stop22h 30mAustrian Airlines

Deal found 17/7£145

Fri 5/914:10OMR - LHR

1 stop10h 30mLufthansa

Tue 16/906:55LHR - OMR

1 stop4h 40mLufthansa

Deal found 18/7£146

Fri 12/914:30OMR - LHR

1 stop20h 50mLOT

Sun 21/906:30LHR - OMR

1 stop9h 00mLOT

Deal found 18/7£155

Wed 13/821:40CND - LHR

1 stop26h 45mTurkish Airlines

Sat 16/818:00LHR - CND

1 stop24h 50mTurkish Airlines

Deal found 15/7£321

Last-minute flights from Romania to Heathrow
Discover last-minute flight deals from Romania to Heathrow. Data last updated 18 July 2025 and is based on user searches.

Thu 24/721:15OTP - LHR

Nonstop3h 25mBritish Airways

Sun 31/819:10LHR - OTP

Nonstop3h 20mBritish Airways

Deal found 16/7£151

Thu 24/716:05OTP - LHR

1 stop22h 25mAir Serbia

Sun 31/819:25LHR - OTP

1 stop17h 55mAir Serbia

Deal found 16/7£202

Thu 24/709:55OTP - LHR

1 stop7h 35mAegean Airlines

Mon 28/722:15LHR - OTP

1 stop8h 50mAegean Airlines

Deal found 16/7£260

Fri 25/706:30OTP - LHR

1 stop17h 15mSWISS

Fri 1/820:05LHR - OTP

1 stop27h 00mSWISS

Deal found 17/7£236

Fri 25/713:45SBZ - LHR

1 stop9h 55mMultiple Airlines

Thu 31/709:00LHR - SBZ

1 stop13h 55mMultiple Airlines

Deal found 17/7£280

Sat 26/718:05CLJ - LHR

1 stop5h 55mLOT

Tue 12/818:10LHR - CLJ

1 stop21h 20mLOT

Deal found 17/7£151

Sat 26/704:30OTP - LHR

1 stop10h 00mMultiple Airlines

Sat 23/818:35LHR - OTP

Nonstop3h 15mMultiple Airlines

Deal found 17/7£189

Sun 27/718:05CLJ - LHR

1 stop6h 35mMultiple Airlines

Wed 13/820:05LHR - CLJ

1 stop11h 50mMultiple Airlines

Deal found 17/7£178

Sun 27/718:05CLJ - LHR

1 stop6h 35mLufthansa

Wed 13/815:30LHR - CLJ

2 stops7h 00mLufthansa

Deal found 17/7£234

Sun 27/721:10CLJ - LHR

1 stop19h 55mTurkish Airlines

Fri 1/818:30LHR - CLJ

1 stop12h 35mTurkish Airlines

Deal found 18/7£273

Mon 28/719:20OTP - LHR

1 stop5h 20mLufthansa

Thu 28/817:50LHR - OTP

1 stop5h 10mLufthansa

Deal found 17/7£174

Mon 28/718:10OMR - LHR

1 stop5h 50mLOT

Fri 1/806:30LHR - OMR

1 stop5h 20mLOT

Deal found 17/7£235

One-way flights from Romania to Heathrow
Search for one-way flight options from Romania to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 July 2025.

Fri 28/1120:20OTP - LHR

Nonstop3h 30mBritish Airways

Deal found 16/7£38

Sat 20/916:05OTP - LHR

1 stop5h 00mAir Serbia

Deal found 16/7£69

Mon 1/1213:55TSR - LHR

1 stop21h 15mMultiple Airlines

Deal found 17/7£69

Wed 17/912:55OTP - LHR

1 stop7h 10mMultiple Airlines

Deal found 18/7£75

Wed 23/721:00OTP - LHR

1 stop22h 55mAegean Airlines

Deal found 17/7£75

Thu 24/706:00CLJ - LHR

1 stop10h 15mMultiple Airlines

Deal found 16/7£77

Fri 26/906:20IAS - LHR

1 stop15h 25mMultiple Airlines

Deal found 16/7£87

Tue 29/711:15OTP - LHR

1 stop8h 50mEurowings

Deal found 16/7£90

Mon 6/1013:45OTP - LHR

1 stop5h 50mKLM

Deal found 18/7£91

Fri 19/921:50OTP - LHR

1 stop13h 30mScandinavian Airlines

Deal found 17/7£95

Wed 22/1018:05CLJ - LHR

1 stop5h 55mLOT

Deal found 16/7£101

Thu 11/1218:20TSR - LHR

1 stop4h 40mLufthansa

Deal found 16/7£110

Cheapflights Fare Finder

Use the filters below to find and compare flights from Romania to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Sat 22/11

08:05-10:00

Nonstop3h 55m

London Heathrow

Tue 25/11

17:45-23:00

Nonstop3h 15m

£89

Cluj NapocaLondon

CLJ - LHR

CLJLHR

Cluj Napoca

Thu 25/9

18:05-22:00

1 stop5h 55m

London Heathrow

Sun 28/9

06:30-13:20

1 stop4h 50m

£126

SibiuLondon

SBZ - LHR

SBZLHR

Sibiu

Fri 12/9

13:40-21:40

1 stop10h 00m

London Heathrow

Sun 21/9

06:00-13:30

1 stop5h 30m

£137

SibiuLondon

SBZ - LHR

SBZLHR

Sibiu

Fri 28/11

14:25-19:35

1 stop7h 10m

London Heathrow

Sun 30/11

07:40-00:50

1 stop15h 10m

£139

BucharestLondon

OTP - LHR

OTPLHR

Bucharest Otopeni Intl

Thu 9/10

21:15-22:40

Nonstop3h 25m

London Heathrow

Sun 12/10

22:15-09:05

1 stop8h 50m

£142

SibiuLondon

SBZ - LHR

SBZLHR

Sibiu

Thu 11/9

13:40-08:20

1 stop20h 40m

London Heathrow

Wed 17/9

17:50-00:55

1 stop5h 05m

£145

IaşiLondon

IAS - LHR

IASLHR

Iasi

Fri 7/11

16:05-14:05

1 stop24h 00m

London Heathrow

Tue 11/11

14:50-15:20

1 stop22h 30m

£145

OradeaLondon

OMR - LHR

OMRLHR

Oradea

Fri 5/9

14:10-22:40

1 stop10h 30m

London Heathrow

Tue 16/9

06:55-13:35

1 stop4h 40m

£146

TimisoaraLondon

TSR - LHR

TSRLHR

Timisoara

Sat 22/11

05:25-08:05

1 stop4h 40m

London Heathrow

Tue 25/11

08:45-00:05

1 stop13h 20m

£150

OradeaLondon

OMR - LHR

OMRLHR

Oradea

Fri 12/9

14:30-09:20

1 stop20h 50m

London Heathrow

Sun 21/9

06:30-17:30

1 stop9h 00m

£155

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 53 results

...

Best time to book a flight from Romania to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Romania with our price prediction graph.

Estimated return 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 Romania to London Heathrow Airport

What is the cheapest month to book a flight from Romania to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Romania to London Heathrow Airport (average of £112). Flying from Romania to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

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

When flying from Romania to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with Aegean Airlines, KLM, andLOT from Romania to London Heathrow Airport. 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.

Aegean Airlines

8.2

Very Good

767 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Aegean Airlines

8.2

Very Good

767 reviews

Aegean Airlines

8.2

Very Good

767 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

KLM

7.8

Good

1,374 reviews

Aegean Airlines

8.2

Very Good

767 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

LOT

7.6

Good

1,099 reviews

Aegean Airlines

8.2

Very Good

767 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Austrian Airlines

7.6

Good

816 reviews

Aegean Airlines

8.2

Very Good

767 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Air France

7.5

Good

1,465 reviews

Aegean Airlines

8.2

Very Good

767 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

What are the cheapest airlines to fly from Romania to London Heathrow Airport one-way?
The cheapet airlines for a one-way flight from Romania to London Heathrow Airport are British Airways (£38), Air Serbia (£69), and Aegean Airlines (£75).
What are the most popular routes from Romania to London Heathrow Airport?
The most popular flight routes from Romania to London Heathrow Airport are Bucharest Otopeni Intl - London Heathrow, Timisoara - London Heathrow and Cluj Napoca - London Heathrow.
What are the most reliable airlines from Romania to London Heathrow Airport?
Consider Royal Air Maroc (82%), American Airlines (74%) or British Airways (70%) when booking your flight. These represent the most reliable airlines when flying from Romania to London Heathrow Airport.
What are the cheapest flights from Romania to London Heathrow Airport?
While on average a flight from Romania to London Heathrow Airport is generally £149, our data shows the cheapest flight currently is £43. When looking at the most popular route, (Bucharest Otopeni Intl - London Heathrow), you can expect to pay £89 for that flight.
Can I find deals for flights from Romania to Heathrow that include hotel bookings?
Yes. In addition to deals on Romania to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Romania to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Romania to Heathrow.
Can I find deals for business class flights from Romania to Heathrow?
Yes. Cheapflights offers flight deals from Romania to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Romania to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Romania to London Heathrow Airport (average of £112). Flying from Romania to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

See more FAQs

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Deal

Northampton

Gatwick

Slough

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Wembley

Crawley

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Hayes

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Folkestone

Watford

Winchester

Swindon

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Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Romania to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£92	Average£161	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£159	Average£210	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

How does Cheapflights help users find flights from Romania to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Romania today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Romania to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Romania by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Romania to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Romania shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Romania to Heathrow become cheaper?

Yes! Start tracking prices for Romania to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Romania to London Heathrow Airport from £38

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Romania to Heathrow

Keep the following information in mind while searching for Romania to Heathrow flight deals. Data was last updated 18 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Romania to Heathrow

Cheapest flights from Romania to HeathrowExplore the most affordable flight options available from Romania to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Explore the most affordable flight options available from Romania to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Romania to London Heathrow Airport that are best for you.

Best time to book a flight from Romania to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Romania with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Romania to London Heathrow Airport

What is the cheapest month to book a flight from Romania to London Heathrow Airport?

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

Find hourly flight availability from Romania to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 July 2025.

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with Aegean Airlines, KLM, andLOT from Romania to London Heathrow Airport. 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.

Related info for your journey

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

What are the cheapest airlines to fly from Romania to London Heathrow Airport one-way?

What are the most popular routes from Romania to London Heathrow Airport?

What are the most reliable airlines from Romania to London Heathrow Airport?

What are the cheapest flights from Romania to London Heathrow Airport?

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

How can I find direct flights from Romania to Heathrow?

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

What is the cheapest month to book a flight from Romania to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Romania to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Romania to Heathrow

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Romania to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Romania to Heathrow?

Can Cheapflights find flights from Romania to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Romania to Heathrow become cheaper?

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Cheapest flights from Romania to Heathrow
Explore the most affordable flight options available from Romania to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.