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Cheap flights from Denver (DEN) to Portugal from $329

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DEN — LIS
May 19 — May 261
From?
To?
Sun 5/19
Sun 5/26
1 adult, Economy
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How far in advance should I book a flight from Denver to Portugal?

To save on the cost of your flight from Denver to Portugal, book at least 12 days before your planned departure. Booking around this time can save you about 21% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $524 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,209.

What is the cheapest month to fly from Denver to Portugal?

February can be a great time to fly to Portugal from Denver with a flight ticket averaging about $1,088. Cheapflights users have found deals in the month of February for as cheap as $450. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Denver to Portugal (DEN - PT)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Portugal as you normally would.

Cheap United Airlines flights from Denver to Portugal

Explore cheap flight options specifically provided by United Airlines for the route between Denver and Portugal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Find some of the cheapest United Airlines flights traveling from Denver to Portugal. It's recommended that users confirm their flight details before booking.
Wed 10/306:15 amDEN - LIS
2 stops22h 15mUnited Airlines
Fri 11/810:15 amLIS - DEN
2 stops27h 18mUnited Airlines
Deal found 5/13$670
Wed 9/2511:20 amDEN - LIS
1 stop15h 00mUnited Airlines
Wed 10/911:25 amLIS - DEN
2 stops28h 53mUnited Airlines
Deal found 5/13$831
Tue 10/87:46 amDEN - OPO
2 stops18h 59mUnited Airlines
Tue 10/2212:35 pmOPO - DEN
1 stop16h 10mUnited Airlines
Deal found 5/13$832
Fri 8/164:00 pmDEN - LIS
1 stop11h 30mUnited Airlines
Mon 8/2612:20 pmLIS - DEN
2 stops16h 34mUnited Airlines
Deal found 5/13$940
Wed 8/141:55 pmDEN - LIS
1 stop13h 35mUnited Airlines
Sun 8/2512:20 pmLIS - DEN
1 stop16h 28mUnited Airlines
Deal found 5/13$986
Mon 7/151:25 pmDEN - PDL
1 stop13h 15mUnited Airlines
Mon 7/2911:00 amPDL - DEN
1 stop14h 13mUnited Airlines
Deal found 5/12$1,004
Sun 10/133:10 pmDEN - OPO
1 stop11h 35mUnited Airlines
Tue 10/2212:35 pmOPO - DEN
1 stop16h 10mUnited Airlines
Deal found 5/14$1,008
Wed 6/510:11 amDEN - OPO
1 stop13h 44mUnited Airlines
Wed 6/199:00 amOPO - DEN
1 stop15h 58mUnited Airlines
Deal found 5/14$1,011
Sun 10/131:49 pmDEN - OPO
1 stop12h 56mUnited Airlines
Tue 10/2212:35 pmOPO - DEN
2 stops17h 17mUnited Airlines
Deal found 5/14$1,012

Cheap Aer Lingus flights from Denver to Portugal

Explore cheap flight options specifically provided by Aer Lingus for the route between Denver and Portugal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Have a look at some of the cheapest available Aer Lingus flights departing from Denver and landing in Portugal. Deals are refreshing constantly so come back soon for more options.
Fri 8/168:00 pmDEN - LIS
1 stop18h 35mAer Lingus
Sun 8/2510:55 amLIS - DEN
1 stop14h 20mAer Lingus
Deal found 5/13$901
Sat 9/77:05 amDEN - LIS
2 stops20h 10mAer Lingus
Sat 9/1410:15 pmLIS - DEN
1 stop27h 00mAer Lingus
Deal found 5/12$912

Cheap Denver to Portugal flights in May & June 2024

Find cheap flight options from Denver to Portugal specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,632,958 searches. Prices were last updated on May 14, 2024.
These are some of the best deals we've found on flights to Portugal in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 6/114:18 pmDEN - LIS
1 stop34h 42mMultiple Airlines
Tue 6/189:55 pmLIS - DEN
2 stops34h 27mMultiple Airlines
Deal found 5/14$944
Sat 6/154:18 pmDEN - OPO
1 stop23h 12mMultiple Airlines
Fri 6/286:40 amOPO - DEN
2 stops25h 33mMultiple Airlines
Deal found 5/13$978
Wed 6/199:40 amDEN - FNC
2 stops30h 20mMultiple Airlines
Sun 6/306:40 amFNC - DEN
1 stop25h 33mMultiple Airlines
Deal found 5/13$988
Thu 6/67:45 amDEN - LIS
2 stops32h 20mMultiple Airlines
Wed 6/129:15 pmLIS - DEN
3 stops30h 11mMultiple Airlines
Deal found 5/13$991
Wed 6/194:18 pmDEN - FNC
1 stop23h 42mMultiple Airlines
Sun 6/306:40 amFNC - DEN
1 stop25h 33mMultiple Airlines
Deal found 5/13$996
Tue 6/117:00 pmDEN - LIS
3 stops28h 30mMultiple Airlines
Tue 6/1811:35 amLIS - DEN
3 stops32h 57mMultiple Airlines
Deal found 5/14$1,002
Tue 6/47:45 amDEN - LIS
1 stop19h 45mUnited Airlines
Tue 6/1111:25 amLIS - DEN
1 stop30h 05mUnited Airlines
Deal found 5/13$1,009
Wed 5/297:52 amDEN - LIS
2 stops18h 28mAir Canada
Tue 6/1112:50 pmLIS - DEN
1 stop26h 52mAir Canada
Deal found 5/14$1,010
Wed 6/510:11 amDEN - OPO
1 stop13h 44mUnited Airlines
Wed 6/199:00 amOPO - DEN
1 stop14h 17mUnited Airlines
Deal found 5/13$1,011

Denver to Portugal 2024 flight deals

Discover exclusive flight deals for travel between Denver and Portugal in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
These are some of the best deals we've found on flights to Portugal in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 11/277:00 amDEN - LIS
2 stops31h 30mMultiple Airlines
Wed 12/47:05 amLIS - DEN
2 stops22h 52mMultiple Airlines
Deal found 5/12$636
Sat 10/266:00 amDEN - LIS
2 stops33h 30mMultiple Airlines
Mon 11/46:55 amLIS - DEN
2 stops23h 50mMultiple Airlines
Deal found 5/13$656
Wed 11/275:15 pmDEN - LIS
1 stop21h 35mAmerican Airlines
Wed 12/46:35 amLIS - DEN
2 stops22h 14mAmerican Airlines
Deal found 5/12$658
Wed 11/275:15 pmDEN - LIS
1 stop21h 35mBritish Airways
Wed 12/411:15 amLIS - DEN
1 stop16h 37mBritish Airways
Deal found 5/12$659
Wed 10/306:15 pmDEN - LIS
1 stop17h 30mAmerican Airlines
Fri 11/86:35 amLIS - DEN
2 stops22h 27mAmerican Airlines
Deal found 5/13$660
Tue 11/125:15 pmDEN - LIS
1 stop17h 30mAmerican Airlines
Tue 11/1911:20 amLIS - DEN
2 stops17h 29mAmerican Airlines
Deal found 5/13$662
Wed 10/3012:20 pmDEN - LIS
1 stop13h 40mKLM
Fri 11/810:00 amLIS - DEN
1 stop15h 24mKLM
Deal found 5/13$666
Wed 10/305:25 pmDEN - OPO
1 stop24h 10mLufthansa
Thu 11/76:00 amOPO - DEN
1 stop17h 05mLufthansa
Deal found 5/13$667
Wed 11/2012:20 pmDEN - LIS
1 stop12h 40mDelta
Fri 11/295:30 amLIS - DEN
1 stop17h 10mDelta
Deal found 5/13$667

Denver to Portugal flights leaving soon

Find last-minute flight options from Denver to Portugal for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Have a look at some of the last-minute flights available departing from Denver to Portugal. It's wise to confirm all flight details are correct before booking.
Mon 5/2010:37 amDEN - LIS
1 stop14h 43mMultiple Airlines
Mon 5/272:25 pmLIS - DEN
1 stop30h 55mMultiple Airlines
Deal found 5/13$1,106
Wed 5/225:45 pmDEN - LIS
1 stop14h 05mDelta
Tue 5/285:40 amLIS - DEN
2 stops24h 34mDelta
Deal found 5/13$1,127
Mon 5/204:40 pmDEN - LIS
2 stops23h 30mMultiple Airlines
Mon 5/2711:20 pmLIS - DEN
3 stops26h 40mMultiple Airlines
Deal found 5/13$1,136
Tue 5/2110:10 amDEN - OPO
2 stops22h 20mDelta
Sun 6/29:15 amOPO - DEN
1 stop13h 20mDelta
Deal found 5/13$1,166
Mon 5/2011:40 amDEN - LIS
1 stop16h 05mDelta
Sun 5/265:00 amLIS - DEN
2 stops21h 49mDelta
Deal found 5/13$1,167
Mon 5/201:46 pmDEN - LIS
2 stops13h 59mKLM
Sun 5/265:00 amLIS - DEN
2 stops15h 57mKLM
Deal found 5/13$1,171
Tue 5/2112:52 pmDEN - OPO
2 stops19h 38mDelta
Sun 6/29:15 amOPO - DEN
2 stops20h 01mDelta
Deal found 5/13$1,176
Wed 5/225:45 pmDEN - LIS
1 stop14h 05mDelta
Sun 5/265:00 amLIS - DEN
2 stops21h 49mDelta
Deal found 5/13$1,179
Mon 5/208:00 pmDEN - LIS
1 stop18h 35mAmerican Airlines
Wed 5/2211:05 amLIS - DEN
1 stop16h 57mAmerican Airlines
Deal found 5/13$1,195

One-way flights to Portugal from Denver

Search for one-way flight options from Denver to Portugal. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Take a look at some of the one-way flights we've detected from Denver to Portugal. Users in need of a round-trip flight from Denver to Portugal instead should update the search form at the top of page.
Tue 10/224:40 pmDEN - OPO
2 stops19h 10mMultiple Airlines
Deal found 5/13$329
Mon 9/2311:01 amDEN - LIS
2 stops26h 04mMultiple Airlines
Deal found 5/13$343
Thu 9/264:40 pmDEN - LIS
2 stops23h 30mMultiple Airlines
Deal found 5/13$366
Sun 9/229:43 amDEN - LIS
2 stops27h 22mMultiple Airlines
Deal found 5/13$373
Fri 9/2711:04 amDEN - LIS
2 stops27h 16mMultiple Airlines
Deal found 5/13$375
Tue 9/244:40 pmDEN - LIS
2 stops22h 30mMultiple Airlines
Deal found 5/13$380
Tue 8/278:10 pmDEN - LIS
2 stops18h 25mMultiple Airlines
Deal found 5/13$392
Tue 8/278:10 pmDEN - LIS
3 stops29h 25mMultiple Airlines
Deal found 5/13$400
Mon 6/176:10 pmDEN - FAO
3 stops43h 15mMultiple Airlines
Deal found 5/13$413

Find flights from Denver to Portugal within your budget

Customize your flight search to find flights from Denver to Portugal 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, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$656 - $790

Route

Depart

Return

Price

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Sat 10/26

2 stops33h 30m

Lisbon Humberto Delgado

Mon 11/4

2 stops23h 50m

$656

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Wed 10/30

1 stop17h 30m

Lisbon Humberto Delgado

Fri 11/8

2 stops22h 27m

$660

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Wed 10/30

1 stop13h 40m

Lisbon Humberto Delgado

Fri 11/8

1 stop15h 24m

$666

Denver IntlPorto

DEN - OPO

DENOPO

Denver Intl

Wed 10/30

1 stop24h 10m

Porto

Thu 11/7

1 stop17h 05m

$667

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Wed 10/30

2 stops22h 15m

Lisbon Humberto Delgado

Fri 11/8

2 stops27h 18m

$670

Denver IntlPorto

DEN - OPO

DENOPO

Denver Intl

Wed 10/30

2 stops23h 15m

Porto

Thu 11/7

2 stops31h 34m

$679

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Wed 8/21

1 stop21h 40m

Lisbon Humberto Delgado

Tue 8/27

1 stop28h 40m

$753

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Sun 9/22

1 stop36h 25m

Lisbon Humberto Delgado

Sat 9/28

1 stop31h 50m

$778

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Sun 9/22

2 stops18h 30m

Lisbon Humberto Delgado

Wed 10/2

2 stops23h 54m

$790

Flights are sorted by cheapest first

Deals found on 5/13

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated May 14, 2024.
See what other customers who have flown with United Airlines, Aer Lingus and British Airways from Denver to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,706 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,706 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,569 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

SWISS
7.8
Good
1,993 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air France
7.6
Good
1,769 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,959 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Overall

8.0

Food

7.4

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

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

  • What airport do you fly from for flights from Denver to Portugal?

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Portugal. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • Can I find flights from Denver to Portugal for under $700 on Cheapflights?

    Yes, there are multiple flights from Denver to Portugal for under $700. The cheapest flight booked recently is on Multiple Airlines for just $656, but on average you can expect to pay $733.

  • Are there last-minute flights available from Denver to Portugal for under $1,200?

    There are currently 20+ open flights from Denver to Portugal within the next 7 days for less than $1,200.

  • What are the most popular routes from Denver to Portugal?

    Most travelers choose Denver Intl - Lisbon Humberto Delgado, Denver Intl - Porto or Denver Intl - Ponta Delgada Nordela when deciding on the best route from Denver to Portugal.

  • What are the most popular airlines that fly from Denver to Portugal?

    The most popular airlines flying from Denver to Portugal are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

  • What does DEN to LIS mean?

    DEN and LIS are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. DEN to LIS refers to a flight route from Denver Intl Airport to Lisbon Humberto Delgado Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER).

  • Can I find deals for flights from Denver to Portugal that include extra baggage allowance?

    The amount of baggage you can bring on your Denver to Portugal flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Denver to Portugal with specific airlines?

    Yes, Cheapflights allows you to browse and filter Denver to Portugal flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Denver to Portugal that include hotel bookings?

    Yes. In addition to deals on Denver to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Portugal?

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

  • Can I find deals for business class flights from Denver to Portugal?

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

  • Can I find deals for flights from Denver to Portugal that allow pets onboard?

    Many airlines flying from Denver to Portugal offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Denver to Portugal?

    Yes, you can often find last-minute deals on Denver to Portugal flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Denver to Portugal flight deals updated?

    The Denver to Portugal flight deals you see on this page were last updated on 5/14.

See more FAQs

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Top 10 airlines flying from Denver to Portugal

Discover the top 10 airlines that operate flights from Denver to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$471Average$1,270FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest$500Average$1,043FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$502Average$1,041FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$504Average$970FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest$513Average$818FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest$524Average$1,016FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$524Average$1,136FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$531Average$1,277FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest$551Average$1,061FlexibilityNo cancel feeOn-time77%
Search Air France flights
Alaska AirlinesCheapest$706Average$947FlexibilityNo cancel feeOn-time75%
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Search flights from Denver to Portugal by cabin class

Find flights from Denver to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
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Fly with Cheapflights

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

How does Cheapflights help users find flights from Denver to Portugal?

When you search for this flight from Denver to Portugal, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Denver to Portugal?

Millions of users choose and trust Cheapflights to book the best flight deals from Denver to Portugal for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Denver to Portugal with no change fees?

Certainly. Search results for flights to Portugal from Denver 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 Denver to Portugal become cheaper?

Yes! Start tracking prices for Denver to Portugal 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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