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Lisbon

$543+ Cheap flights from Redmond (RDM) to Lisbon (LIS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — LIS
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Redmond to Lisbon

Cheapest flights from Redmond to Lisbon
Explore the most affordable flight options available from Redmond to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:50 pmRDM - LIS
2 stops30h 25mUnited Airlines
Sun 12/710:50 amLIS - RDM
2 stops36h 15mUnited Airlines
Deal found 10/27$543
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:00 amRDM - LIS
2 stops21h 15mUnited Airlines
Tue 12/212:20 pmLIS - RDM
2 stops42h 39mUnited Airlines
Deal found 10/27$565
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:00 amRDM - LIS
2 stops21h 15mUnited Airlines
Sat 11/225:00 amLIS - RDM
2 stops25h 45mUnited Airlines
Deal found 10/27$612
This Air France deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:20 amRDM - LIS
2 stops22h 10mMultiple Airlines
Sat 11/223:30 pmLIS - RDM
2 stops39h 23mMultiple Airlines
Deal found 10/28$615
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:15 amRDM - LIS
2 stops32h 15mMultiple Airlines
Tue 12/210:30 amLIS - RDM
1 stop20h 03mMultiple Airlines
Deal found 10/27$1,365

Cheap flight deals from Redmond to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Redmond (RDM) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$543
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$872
Provider with most accurate pricing for Bend/Redmond-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Bend/Redmond-Lisbon Humberto Delgado flights.
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From Bend/Redmond to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($321 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Redmond to Lisbon 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 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Redmond to Lisbon that are best for you.

Fly from

Redmond

Fly to

Lisbon

Route

Depart

Return

Price

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Wed 12/3

5:00 am-10:15 am

2 stops21h 15m

Lisbon Humberto Delgado

Sun 12/7

10:50 am-12:57 pm

2 stops34h 07m

$543

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 1/6

7:00 am-9:20 am

2 stops42h 20m

Lisbon Humberto Delgado

Wed 1/21

11:20 am-6:51 pm

2 stops39h 31m

$545

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Wed 1/7

7:00 am-9:20 am

2 stops18h 20m

Lisbon Humberto Delgado

Fri 1/23

11:20 am-10:19 pm

2 stops42h 59m

$545

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 1/6

7:00 am-9:20 am

2 stops42h 20m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-6:51 pm

2 stops39h 31m

$545

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 1/6

7:00 am-9:20 am

2 stops42h 20m

Lisbon Humberto Delgado

Sun 1/18

10:50 am-6:51 pm

2 stops40h 01m

$545

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Wed 1/7

7:00 am-9:20 am

2 stops18h 20m

Lisbon Humberto Delgado

Sun 1/18

10:50 am-6:51 pm

2 stops40h 01m

$545

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Wed 1/7

6:34 am-9:20 am

2 stops18h 46m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-6:12 pm

2 stops38h 52m

$545

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Wed 1/7

11:30 am-3:10 pm

2 stops19h 40m

Lisbon Humberto Delgado

Thu 1/22

5:00 am-10:47 pm

2 stops25h 47m

$549

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Thu 1/8

1:16 pm-9:20 am

2 stops36h 04m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-9:21 pm

2 stops42h 01m

$550

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Thu 1/8

1:16 pm-9:20 am

2 stops36h 04m

Lisbon Humberto Delgado

Wed 1/21

11:20 am-1:02 pm

2 stops33h 42m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from Redmond to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Redmond to Lisbon in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Redmond-Lisbon flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Redmond-Lisbon flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Redmond-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Redmond-Lisbon flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Redmond-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Redmond to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Redmond with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Redmond to Lisbon

What is the cheapest month to book a flight from Redmond to Lisbon?

Currently, November is the cheapest month in which you can book a flight from Redmond to Lisbon (average of $688). Flying from Redmond to Lisbon in June is currently the most expensive (average of $1,306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RDM to LIS?

Find hourly flight availability from Redmond to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

When flying from Redmond to Lisbon, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 15% versus a flight at noon.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated October 29, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Redmond to Lisbon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,992 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,992 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

  • How long is the flight from Redmond to Lisbon?

    United Airlines can get you from Redmond to Lisbon in just under 21h 15m. Your travel time can differ by up to . Airlines will cover a distance of 5305 mi.

  • What are the cheapest airlines flying from Redmond to Lisbon round-trip?

    United Airlines, at $688, was found to be the cheapest airline from Redmond to Lisbon. An alternate airline flying to your destination would be Delta. These flights start at 35% lower than the current average price 3 months from now.

  • Can I find deals for flights from Redmond to Lisbon that include hotel bookings?

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

  • How can I find direct flights from Redmond to Lisbon?

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

  • Can I find deals for business class flights from Redmond to Lisbon?

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

  • What is the cheapest month to book a flight from Redmond to Lisbon?

    Currently, November is the cheapest month in which you can book a flight from Redmond to Lisbon (average of $688). Flying from Redmond to Lisbon in June is currently the most expensive (average of $1,306). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Oeiras
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Beja
Sesimbra
Colares

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Alternative routes for Redmond to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Boise to Lisbon flights
Eugene to Lisbon flights
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Top 2 airlines flying from Redmond to Lisbon

Discover the top 2 airlines that operate flights from Redmond to Lisbon. 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 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$688Average$996FlexibilityNo cancel feeOn-time69%
DeltaCheapest$742Average$1,207FlexibilityNo cancel feeOn-timeN/A

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