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Lisbon

$726+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — LIS
Jul 3 — Jul 101
Fri 7/3
Fri 7/10
1 adult, Economy
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Cheap 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 June 3, 2026.

This United Airlines deal was found by Cheapflights users on 6/1. 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.
Mon 12/76:48 pm
RDM
-
LIS
2 stops31h 02m
United Airlines
Thu 12/101:00 pm
LIS
-
RDM
2 stops30h 51m
United Airlines
Deal found 6/1$726
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Sat 10/177:00 pm
RDM
-
LIS
2 stops30h 20m
United Airlines
Sat 10/241:00 pm
LIS
-
RDM
2 stops41h 54m
United Airlines
Deal found 6/2$842
This United Airlines deal was found by Cheapflights users on 6/1. 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 9/96:00 am
RDM
-
LIS
2 stops19h 20m
United Airlines
Fri 9/1811:25 am
LIS
-
RDM
2 stops38h 50m
United Airlines
Deal found 6/1$906
This Air Canada deal was found by Cheapflights users on 6/1. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:00 am
RDM
-
LIS
2 stops20h 20m
Multiple Airlines
Fri 9/181:00 pm
LIS
-
RDM
3 stops31h 06m
Multiple Airlines
Deal found 6/1$935
This Delta deal was found by Cheapflights users on 6/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/161:27 pm
RDM
-
LIS
2 stops20h 23m
Delta
Thu 7/235:35 am
LIS
-
RDM
2 stops21h 08m
Delta
Deal found 6/1$1,007
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:30 pm
RDM
-
LIS
2 stops21h 20m
Delta
Sun 10/45:00 am
LIS
-
RDM
2 stops21h 44m
Delta
Deal found 6/2$1,046
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Sat 9/128:15 am
RDM
-
LIS
3 stops41h 05m
United Airlines
Sun 10/41:00 pm
LIS
-
RDM
2 stops41h 27m
United Airlines
Deal found 6/2$1,104
This Air Canada deal was found by Cheapflights users on 6/2. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am
RDM
-
LIS
2 stops21h 05m
Multiple Airlines
Sat 10/241:00 pm
LIS
-
RDM
3 stops30h 51m
Multiple Airlines
Deal found 6/2$1,125
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Sat 9/127:02 am
RDM
-
LIS
1 stop20h 58m
Multiple Airlines
Sun 10/410:40 am
LIS
-
RDM
2 stops33h 00m
Multiple Airlines
Deal found 6/2$1,516

Find 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 June 3, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$842
(United Airlines)

One-way from

$827
(BusinessClass)

Popular in

June

Cheapest in

February

Average price

$1,266
Provider with most accurate pricing for Bend/Redmond-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bend/Redmond-Lisbon Humberto Delgado flights.
Search Deals
From Bend/Redmond to Lisbon Humberto Delgado
Search Deals
One-way flight from Bend/Redmond to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 3, 2026.
Use the filters below to find and compare flights from Redmond to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 10/17

7:00 pm-9:20 am

3 stops30h 20m

Lisbon Humberto Delgado

Sat 10/24

1:00 pm-10:54 pm

2 stops41h 54m

$842

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Wed 9/9

6:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Fri 9/18

11:25 am-6:15 pm

2 stops38h 50m

$906
Quickest round-trip

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Thu 7/16

1:27 pm-5:50 pm

2 stops20h 23m

Lisbon Humberto Delgado

Thu 7/23

5:35 am-6:43 pm

2 stops21h 08m

$1,007

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 9/12

12:30 pm-5:50 pm

2 stops21h 20m

Lisbon Humberto Delgado

Sun 10/4

5:00 am-6:44 pm

2 stops21h 44m

$1,046

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 9/12

7:02 am-12:00 pm

1 stop20h 58m

Lisbon Humberto Delgado

Sun 10/4

10:40 am-11:40 am

2 stops33h 00m

$1,516
Cheapest one-way
Quickest one-way

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 11/17

4:09 pm-6:20 pm

3 stops42h 11m

$1,165

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/31

Sorted by cheapest first

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 June.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Redmond-Lisbon flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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, February is the cheapest month in which you can book a flight from Redmond to Lisbon (average of $509). Flying from Redmond to Lisbon in June is currently the most expensive (average of $1,266). 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.

How much does it cost to fly round-trip from Redmond to Lisbon?

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 June 3, 2026.
Read reviews from past customers who have flown 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.
United Airlines
7.4
Good
9,771 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,771 reviews
United Airlines
7.4
Good
9,771 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 30h 20m. Your travel time can differ by up to . Airlines will cover a distance of 5305 mi.

  • What is the cheapest airline to fly from Redmond to Lisbon round-trip?

    United Airlines, at $626, was found to be the cheapest airline from Redmond to Lisbon.. This flight start at 27% 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, February is the cheapest month in which you can book a flight from Redmond to Lisbon (average of $509). Flying from Redmond to Lisbon in June is currently the most expensive (average of $1,266). 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
Fátima
Ericeira
Oeiras
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra

Browse thousands of different options on Cheapflights for your next trip

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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.
Portland to Lisbon flights
Portland to Porto flights
Boise to Lisbon flights
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Eugene to Lisbon flights

Top airline flying from Redmond to Lisbon

Discover the top airline 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 June 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$626Average$806FlexibilityNo cancel feeOn-time69%

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