Cheap flights from Denver to Lisbon from $238
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Lisbon departing on 7/29. 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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United Airlines flights from Denver to Lisbon
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How to get the cheapest flight ticket from Denver to Lisbon
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 month to fly to Lisbon?
In general, January is the cheapest month to fly from Denver to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $740. If you are unable to visit Lisbon during the month of January, then departing from Denver during the month February is also very affordable. Most momondo users find prices during this month for around $774.
What is the cheapest day to depart on your flight to Lisbon?
Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $950. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Lisbon for around $1,154.
What is the cheapest time of day to depart on your flight to Lisbon?
The cheapest time of day to fly to Lisbon is in the morning when flights can be purchased for as low as $995. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,110 on average. Flights to Lisbon from Denver at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Lisbon?
You are more likely to see cheaper flights to Lisbon from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $980 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Denver for as low as $885 on momondo.
What is the cheapest airline that flies from Denver Intl to Lisbon Humberto Delgado?
TAP AIR PORTUGAL is the most popular carrier operating from Denver Intl to Lisbon Humberto Delgado
What airlines fly to Lisbon?
United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Lisbon from Denver according to our data. United Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 13 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.
When to book flights from Denver to Lisbon
Cheap Denver to Lisbon (DEN to LIS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Denver to Lisbon
How far is Denver Intl to Lisbon Humberto Delgado by plane?
The distance between Denver Intl and Lisbon Humberto Delgado is about 4847.0 mi. Flights usually cover this in 12h 55m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport are updated daily.
How many operators does momondo search for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport?
As of July 2025, there are 13 operators available to choose from for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport.
How old do you have to be to fly from Denver Intl Airport to Lisbon Humberto Delgado Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The required travel and health documents for your Lisbon Humberto Delgado 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 Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Denver to Lisbon?
Based on momondo bookings for flights between Denver and Lisbon, the leading airline is United Airlines, making up 43% of the total bookings. Other popular airlines include British Airways with 14%, Lufthansa with 9%, and Delta with 7%.
Best airlines flying from Denver to Lisbon
Compare and see reviews for airlines that fly from Denver to Lisbon with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $458 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom $539 | Free Cancellation | Rating 7.4 654 reviews | |||
| PriceFrom $551 | Free Cancellation | Rating 8.0 7,975 reviews | |||
| PriceFrom $555 | Free Cancellation | Rating 7.3 3,891 reviews | |||
| PriceFrom $558 | Free Cancellation | Rating 6.6 7,089 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 7.5 1,472 reviews | |||
| PriceFrom $599 | Free Cancellation | Rating 7.8 1,366 reviews | |||
| PriceFrom $624 | Free Cancellation | Rating 6.8 7,208 reviews | |||
| PriceFrom $627 | Free Cancellation | Rating 7.1 9,671 reviews | |||
| PriceFrom $652 | Free Cancellation | Rating 7.4 8,858 reviews |
Traveling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Denver to Lisbon?
Finding the right flight to Lisbon from Denver is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Lisbon quick and easy, saving you time and money.
Can I find flights from Denver to Lisbon with flexible booking policies on momondo?
momondo does allow users to show only those flights to Lisbon from Denver which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Denver to Lisbon?
momondo provides multiple filters to help you find the best flight to Lisbon from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Denver to Lisbon right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Denver to Lisbon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.