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$344 Cheap Flights from Denver (DEN) to Bucharest (OTP)

View $344 flight on Tue, Oct 20, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Henri Coanda Intl. Airport (OTP)

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Cheap Flights from Denver to Bucharest (DEN-OTP)

Prices were available within the past 7 days and start at $344 for one-way flights and $750 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Sat, Oct 17 - Mon, Nov 2
DEN
Denver
OTP
Bucharest
$750 Roundtrip, found 4 hours ago
$750
Roundtrip
found 4 hours ago
Select Turkish Airlines flight, departing Sat, Oct 17 from Denver to Bucharest, returning Mon, Nov 2, priced at $750 found 4 hours ago
Lufthansa
Tue, Oct 20 - Wed, Nov 4
DEN
Denver
OTP
Bucharest
$751 Roundtrip, found 6 days ago
$751
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Tue, Oct 20 from Denver to Bucharest, returning Wed, Nov 4, priced at $751 found 6 days ago
United
Mon, Mar 22 - Fri, Mar 26
DEN
Denver
OTP
Bucharest
$751 Roundtrip, found 6 days ago
$751
Roundtrip
found 6 days ago
Select United flight, departing Mon, Mar 22 from Denver to Bucharest, returning Fri, Mar 26, priced at $751 found 6 days ago
American Airlines
Tue, Oct 20 - Wed, Nov 4
DEN
Denver
OTP
Bucharest
$752 Roundtrip, found 6 days ago
$752
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct 20 from Denver to Bucharest, returning Wed, Nov 4, priced at $752 found 6 days ago
Lufthansa
Sun, Nov 29 - Fri, Dec 11
DEN
Denver
OTP
Bucharest
$754 Roundtrip, found 5 days ago
$754
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sun, Nov 29 from Denver to Bucharest, returning Fri, Dec 11, priced at $754 found 5 days ago
British Airways
Tue, Oct 20 - Wed, Nov 4
DEN
Denver
OTP
Bucharest
$754 Roundtrip, found 6 days ago
$754
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Oct 20 from Denver to Bucharest, returning Wed, Nov 4, priced at $754 found 6 days ago
United
Tue, Oct 20 - Wed, Nov 4
DEN
Denver
OTP
Bucharest
$755 Roundtrip, found 6 days ago
$755
Roundtrip
found 6 days ago
Select United flight, departing Tue, Oct 20 from Denver to Bucharest, returning Wed, Nov 4, priced at $755 found 6 days ago
Lufthansa
Wed, Oct 28 - Wed, Nov 4
DEN
Denver
OTP
Bucharest
$757 Roundtrip, found 2 days ago
$757
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Oct 28 from Denver to Bucharest, returning Wed, Nov 4, priced at $757 found 2 days ago
Lufthansa
Wed, Jan 6 - Wed, Jan 27
DEN
Denver
OTP
Bucharest
$759 Roundtrip, found 5 days ago
$759
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Jan 6 from Denver to Bucharest, returning Wed, Jan 27, priced at $759 found 5 days ago
Lufthansa
Wed, Nov 4 - Fri, Nov 13
DEN
Denver
OTP
Bucharest
$759 Roundtrip, found 1 day ago
$759
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Nov 4 from Denver to Bucharest, returning Fri, Nov 13, priced at $759 found 1 day ago

Alternative airports near Bucharest

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Henri Coanda Intl. OTP. Cheapest option available. Average driving time to city center is 19 minutes. Flights from $1,038
OTP
Henri Coanda Intl.
Cheapest
Average driving time to city center19 min
Flights from $1,038

What you need to know for your flight from Denver Intl. to Henri Coanda Intl.

Denver (DEN) to Bucharest (OTP) at a glance

Explore a range of airlines offering flights from Denver (DEN) to Bucharest (OTP) on this international long-haul journey. Compare various full-service carriers to discover the itinerary that aligns with your budget, schedule, and travel preferences while you plan your visit to Bucharest's iconic attractions and neighborhoods. Here, you'll find essential information about flights from Denver International Airport (DEN) to Henri Coanda International Airport (OTP).

  • Fastest flight duration: around 11h 45m in-flight, plus roughly 2h 15m layover with one stop
  • Route distance: roughly 5,900 miles (9,500 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $305–$1125, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to Henri Coanda International Airport (OTP)

According to recent traveler bookings, here are the top airlines favored for flights from Denver to Bucharest, typically featuring one-stop and multi-stop options. Popular layover spots include Frankfurt International Airport (FRA) with about a 2-hour layover, Istanbul Airport (IST) at approximately 2 hours and 30 minutes, and Franz Josef Strauss International Airport (MUC) with a longer layover of about 5 hours and 30 minutes. This variety allows you to customize your itinerary by balancing price, total travel time, and cabin class.

  • United: This full-service airline provides one-stop travel options, with one-way ticket prices generally falling between $325 and $1190. United operates about 33% of flights on this route, featuring an in-flight duration of 11 hours and 45 minutes, while the overall travel time, including layovers, is approximately 15 hours and 15 minutes.
  • Lufthansa: As a full-service carrier, Lufthansa offers one-stop flights, with one-way fares usually ranging from $305 to $955. They account for around 28% of departures for this route, with a flight time of 11 hours and 45 minutes, leading to a total travel duration of about 15 hours and 15 minutes, including layovers.
  • Turkish Airlines: This full-service airline provides one-stop connections at one-way prices that typically range from $305 to $765. Turkish Airlines makes up about 23% of the departures on this route. Expect an in-flight time of 11 hours and 45 minutes, with a total journey time of roughly 15 hours and 15 minutes, factoring in any layovers.
  • British Airways: Offering one-stop services, British Airways is a full-service airline with one-way fares generally between $355 and $975. They represent nearly 8% of the departures on this route and feature an in-flight duration of 11 hours and 45 minutes, resulting in a total travel time of approximately 15 hours and 15 minutes, including layovers.
  • Air Canada: This full-service airline provides varied travel options, with one-way fares ranging from $480 to $2720. Air Canada accounts for about 3% of departures on this route, with a flight time of 13 hours and 15 minutes, and the overall journey time, including layovers, totals around 17 hours and 15 minutes.

Alternative routes from Denver (DEN) to Bucharest (OTP)

  • Denver to Bucharest (DEN-BBU): Aurel Vlaicu Airport (BBU) lies approximately 5 miles from Henri Coanda International Airport (OTP).
  • Fort Collins to Bucharest (FNL-OTP): Fort Collins-Loveland Municipal Airport (FNL) is located about 45 miles from Denver International Airport (DEN).
  • Colorado Springs to Bucharest (COS-OTP): Colorado Springs Airport (COS) can be found roughly 73 miles from Denver International Airport (DEN).

How to find the best prices for flights from Denver (DEN) to Bucharest (OTP)

Getting some of the best deals on flights from Denver to Bucharest is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking at least two months in advance, although most travelers tend to book their flights two to eight weeks ahead. Evening departures, between 6 PM and midnight, usually offer lower prices, while afternoon flights from noon to 6 PM are the most popular. Additionally, flying on Tuesday provides both cheaper prices and is the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Henri Coanda International Airport from Denver International Airport

Bucharest welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Bucharest city center is approximately a 20-minute drive (covering about 12 miles) from Henri Coanda International Airport, depending on traffic. Here's how to reach Bucharest efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Bucharest, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Henri Coanda International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Henri Coanda International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Henri Coanda International Airport, several transport options are conveniently located a short drive away. Baneasa Seaport, a seaport, is about 6.2 miles from the airport, while Străulești Station, a metro station, is approximately 7.1 miles away. Additionally, Bucharest Baneasa Station, a train station, is situated around 7.3 miles from the airport, all easily accessible by car.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.) cost?
You can find cheap one-way flights from $344 and cheap return flights from $750 Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.) with Expedia. One-way flights typically cost between $449 and $5477, and return flights often range between $784 and $6320. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
The cheapest month to fly from DEN to OTP is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
Enter DEN to OTP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
The earliest flight from Denver, CO (DEN) to Bucharest (OTP) typically leaves at 12:55 AM, operated by American Airlines and British Airways. An early departure like this allows you to arrive in Bucharest with a full day ahead of you. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
The most popular departure times for flights from Denver (DEN) to Bucharest (OTP) are in the late afternoon, from 3pm to 6pm. About 42% of passengers prefer this time window. Many major carriers, including Lufthansa and United Airlines, offer flights during this window. This timing works well because it allows you to enjoy your day in Denver before heading off to your international destination.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
Flights from DEN to OTP with one stop typically take around 13 hours 20 minutes, covering approximately 5,851 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
Business class is available on flights from DEN to OTP. Airlines that offer business class service on this route include:

  • Lufthansa
  • British Airways
  • Turkish Airlines
  • United Airlines
  • Air Canada
  • Aer Lingus
  • American Airlines
  • Air France
  • Edelweiss Air

First class is available with Lufthansa.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Bucharest from Denver Intl. (DEN)?
If you're planning to travel to Bucharest from Denver Intl. (DEN), you can fly into Henri Coanda Intl. (OTP) Some flights may connect through major hubs like O'Hare Intl. (ORD), Pearson Intl. (YYZ), Minneapolis - St. Paul Intl. (MSP) before reaching Bucharest. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.) Bucharest Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Bucharest (OTP-Henri Coanda Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Henri Coanda Intl.
Airlines serving
Air Canada, Air Europa, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Iberia, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$750
Distance
5850 mi

Book with confidence

Denver to Bucharest Flights

The cheapest times to fly from Denver to Bucharest

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Bucharest are during the month of October. You can find some of the cheapest flights from Denver to Bucharest with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Bucharest

Sunday is one of the best days to book for cheap flights from Denver to Bucharest: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Bucharest

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Bucharest in 2026. You can also book with separate airlines for your outbound and return journeys, from $344 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Bucharest flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Bucharest airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Denver to Bucharest Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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