$334 Cheap Flights from Denver (DEN) to Bucharest (OTP)

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.

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 March. 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 $334 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.