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Cheap flights from Denver (DEN) to Portugal from $303

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 6/22. 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 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
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 $1,091. 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 2,752,338 searches. Data last updated May 9, 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 10/1611:20 amDEN - LIS
1 stop15h 00mUnited Airlines
Thu 11/75:00 amLIS - DEN
1 stop15h 40mUnited Airlines
Deal found 5/8$849
Sat 8/245:35 pmDEN - LIS
1 stop33h 55mUnited Airlines
Wed 9/412:50 pmLIS - DEN
2 stops28h 45mUnited Airlines
Deal found 5/8$869
Sat 8/1011:59 pmDEN - LIS
1 stop27h 31mUnited Airlines
Sun 8/1812:50 pmLIS - DEN
1 stop26h 55mUnited Airlines
Deal found 5/8$911
Tue 9/243:59 pmDEN - LIS
1 stop11h 31mUnited Airlines
Sun 10/135:05 amLIS - DEN
1 stop17h 35mUnited Airlines
Deal found 5/8$931
Wed 9/251:50 pmDEN - LIS
1 stop11h 30mUnited Airlines
Tue 10/812:20 pmLIS - DEN
1 stop16h 32mUnited Airlines
Deal found 5/8$973
Wed 6/510:11 amDEN - OPO
1 stop13h 44mUnited Airlines
Wed 6/199:00 amOPO - DEN
1 stop15h 58mUnited Airlines
Deal found 5/8$1,011
Wed 6/51:25 pmDEN - OPO
1 stop13h 20mUnited Airlines
Wed 6/199:00 amOPO - DEN
2 stops18h 07mUnited Airlines
Deal found 5/8$1,015
Mon 9/23:10 pmDEN - PDL
1 stop11h 30mUnited Airlines
Sun 9/1511:00 amPDL - DEN
2 stops17h 52mUnited Airlines
Deal found 5/8$1,059
Tue 6/1111:36 amDEN - OPO
1 stop12h 19mUnited Airlines
Mon 6/249:00 amOPO - DEN
2 stops21h 59mUnited Airlines
Deal found 5/9$1,065

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 2,752,338 searches. Data last updated May 9, 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.
Sat 10/510:46 amDEN - LIS
2 stops27h 49mAer Lingus
Sun 10/1310:55 amLIS - DEN
1 stop14h 20mAer Lingus
Deal found 5/8$932
Sun 9/227:05 amDEN - LIS
2 stops20h 40mAer Lingus
Sun 10/610:15 pmLIS - DEN
1 stop27h 00mAer Lingus
Deal found 5/8$944
Thu 5/166:02 amDEN - LIS
2 stops45h 43mAer Lingus
Sun 5/1910:15 pmLIS - DEN
1 stop27h 00mAer Lingus
Deal found 5/8$1,787

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 2,752,338 searches. Prices were last updated on May 9, 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 6/510:11 amDEN - OPO
1 stop13h 44mUnited Airlines
Wed 6/199:00 amOPO - DEN
1 stop15h 58mUnited Airlines
Deal found 5/8$1,011
Fri 6/74:18 pmDEN - LIS
1 stop30h 17mMultiple Airlines
Fri 6/146:30 amLIS - DEN
2 stops49h 43mMultiple Airlines
Deal found 5/8$1,014
Wed 6/51:25 pmDEN - OPO
1 stop13h 20mUnited Airlines
Wed 6/199:00 amOPO - DEN
2 stops18h 07mUnited Airlines
Deal found 5/8$1,015
Sun 6/168:53 amDEN - LIS
1 stop17h 12mBritish Airways
Tue 6/2511:05 amLIS - DEN
1 stop17h 10mBritish Airways
Deal found 5/9$1,019
Mon 6/176:35 pmDEN - LIS
1 stop14h 05mBritish Airways
Thu 7/47:20 amLIS - DEN
1 stop16h 10mBritish Airways
Deal found 5/8$1,021
Sun 6/162:30 pmDEN - LIS
1 stop11h 35mAmerican Airlines
Tue 6/2511:05 amLIS - DEN
2 stops18h 30mAmerican Airlines
Deal found 5/9$1,022
Sun 6/166:08 amDEN - LIS
2 stops19h 57mAmerican Airlines
Tue 6/2511:05 amLIS - DEN
1 stop17h 10mAmerican Airlines
Deal found 5/8$1,023
Wed 6/128:53 amDEN - LIS
1 stop17h 12mBritish Airways
Thu 7/47:20 amLIS - DEN
1 stop16h 10mBritish Airways
Deal found 5/8$1,027
Mon 6/176:35 pmDEN - LIS
1 stop14h 05mBritish Airways
Wed 7/37:20 amLIS - DEN
2 stops20h 55mBritish Airways
Deal found 5/8$1,031

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 2,752,338 searches. Data last updated May 9, 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 10/306:15 pmDEN - LIS
1 stop17h 30mAmerican Airlines
Fri 11/86:35 amLIS - DEN
2 stops22h 27mAmerican Airlines
Deal found 5/8$660
Wed 10/306:15 pmDEN - LIS
1 stop21h 35mBritish Airways
Fri 11/87:05 amLIS - DEN
1 stop15h 15mBritish Airways
Deal found 5/8$668
Mon 11/412:31 pmDEN - LIS
2 stops16h 39mBritish Airways
Mon 11/116:35 pmLIS - DEN
1 stop27h 45mBritish Airways
Deal found 5/9$672
Wed 10/308:37 amDEN - LIS
2 stops16h 08mAmerican Airlines
Fri 11/86:35 amLIS - DEN
2 stops22h 27mAmerican Airlines
Deal found 5/8$676
Wed 10/166:00 amDEN - LIS
2 stops31h 35mMultiple Airlines
Wed 11/67:05 amLIS - DEN
2 stops23h 40mMultiple Airlines
Deal found 5/8$698
Wed 10/305:25 pmDEN - OPO
1 stop24h 10mLufthansa
Thu 11/76:00 amOPO - DEN
1 stop17h 05mLufthansa
Deal found 5/8$708
Wed 11/206:30 amDEN - LIS
1 stop21h 00mUnited Airlines
Fri 11/295:00 amLIS - DEN
2 stops21h 13mUnited Airlines
Deal found 5/9$709
Wed 11/205:30 amDEN - LIS
2 stops19h 40mUnited Airlines
Fri 11/2910:15 amLIS - DEN
2 stops27h 22mUnited Airlines
Deal found 5/8$710
Wed 10/307:00 pmDEN - OPO
2 stops21h 25mLufthansa
Thu 11/76:00 amOPO - DEN
1 stop17h 05mLufthansa
Deal found 5/8$712

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 2,752,338 searches. Data last updated May 9, 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 5/1311:20 amDEN - LIS
3 stops27h 55mMultiple Airlines
Wed 5/159:55 pmLIS - DEN
3 stops46h 40mMultiple Airlines
Deal found 5/9$1,038
Sun 5/127:45 amDEN - LIS
2 stops15h 45mMultiple Airlines
Tue 5/1411:35 amLIS - DEN
2 stops29h 55mMultiple Airlines
Deal found 5/8$1,101
Fri 5/107:45 amDEN - LIS
3 stops29h 50mMultiple Airlines
Fri 5/249:20 pmLIS - DEN
3 stops27h 47mMultiple Airlines
Deal found 5/8$1,126
Sun 5/127:45 amDEN - LIS
2 stops15h 45mMultiple Airlines
Tue 5/1411:35 amLIS - DEN
2 stops29h 55mMultiple Airlines
Deal found 5/8$1,152
Mon 5/1311:15 amDEN - LIS
2 stops18h 50mMultiple Airlines
Wed 5/159:55 pmLIS - DEN
3 stops46h 40mMultiple Airlines
Deal found 5/9$1,201
Fri 5/105:35 pmDEN - LIS
2 stops20h 00mMultiple Airlines
Fri 5/249:20 pmLIS - DEN
3 stops32h 26mMultiple Airlines
Deal found 5/8$1,208
Mon 5/205:40 pmDEN - LIS
1 stop20h 50mUnited Airlines
Mon 5/2712:50 pmLIS - DEN
1 stop26h 52mUnited Airlines
Deal found 5/8$1,225
Mon 5/205:40 pmDEN - LIS
1 stop20h 50mUnited Airlines
Mon 5/2711:25 amLIS - DEN
2 stops17h 12mUnited Airlines
Deal found 5/8$1,230
Mon 5/138:20 pmDEN - LIS
1 stop29h 20mUnited Airlines
Thu 5/2312:50 pmLIS - DEN
2 stops30h 35mUnited Airlines
Deal found 5/8$1,232

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 2,752,338 searches. Data last updated May 9, 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.
Sat 6/226:07 pmDEN - LIS
3 stops58h 23mMultiple Airlines
Deal found 5/8$303
Sat 6/226:07 pmDEN - LIS
2 stops45h 48mMultiple Airlines
Deal found 5/8$321
Tue 9/1710:03 amDEN - LIS
2 stops27h 52mMultiple Airlines
Deal found 5/8$322
Sat 6/2911:59 pmDEN - LIS
2 stops39h 56mMultiple Airlines
Deal found 5/8$336
Mon 9/2311:01 amDEN - LIS
2 stops26h 04mMultiple Airlines
Deal found 5/8$337
Mon 9/304:40 pmDEN - OPO
3 stops32h 20mMultiple Airlines
Deal found 5/8$338
Mon 9/2311:01 amDEN - LIS
2 stops26h 04mMultiple Airlines
Deal found 5/7$338
Wed 10/24:40 pmDEN - OPO
2 stops23h 50mMultiple Airlines
Deal found 5/8$339
Tue 10/19:42 amDEN - OPO
3 stops26h 08mMultiple Airlines
Deal found 5/8$346

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 2,752,338 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$660 - $885

Route

Depart

Return

Price

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 stop21h 35m

Lisbon Humberto Delgado

Fri 11/8

1 stop15h 15m

$668

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Wed 10/16

2 stops31h 35m

Lisbon Humberto Delgado

Wed 11/6

2 stops23h 40m

$698

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Tue 10/15

2 stops16h 55m

Lisbon Humberto Delgado

Tue 11/5

2 stops22h 27m

$758

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Thu 9/19

1 stop36h 45m

Lisbon Humberto Delgado

Thu 10/3

1 stop37h 45m

$782

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Thu 8/8

1 stop15h 00m

Lisbon Humberto Delgado

Mon 8/19

1 stop30h 02m

$837

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Wed 10/16

1 stop15h 00m

Lisbon Humberto Delgado

Thu 11/7

1 stop15h 40m

$849

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Fri 10/18

1 stop21h 40m

Lisbon Humberto Delgado

Thu 11/7

2 stops32h 33m

$879

Denver IntlLisbon Humberto Delgado

DEN - LIS

DENLIS

Denver Intl

Mon 10/14

2 stops16h 45m

Lisbon Humberto Delgado

Fri 11/8

1 stop15h 24m

$885

Flights are sorted by cheapest first

Deals found on 5/8

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 9, 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
10,778 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

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
10,778 reviews
Delta
8.0
Very good
10,778 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

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
1,590 reviews
Delta
8.0
Very good
10,778 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

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
2,008 reviews
Delta
8.0
Very good
10,778 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

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.

Finnair
7.8
Good
1,378 reviews
Delta
8.0
Very good
10,778 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

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
1,778 reviews
Delta
8.0
Very good
10,778 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

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 American Airlines for just $660, but on average you can expect to pay $739.

  • Are there last-minute flights available from Denver to Portugal for under $1,100?

    There are currently 20+ open flights from Denver to Portugal within the next 7 days for less than $1,100.

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

    Most travelers choose Denver Intl - Lisbon Humberto Delgado, Denver Intl - Ponta Delgada Nordela or Denver Intl - Porto 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 5/9.

See more FAQs

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Alternative routes for Denver to Portugal
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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 2,752,338 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$471Average$1,269FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest$500Average$1,037FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$502Average$1,038FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$504Average$971FlexibilityNo 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$1,144FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$532Average$1,308FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest$551Average$1,045FlexibilityNo 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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