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Lisbon

$456+ Cheap flights from Redmond (RDM) to Lisbon (LIS)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — LIS
May 27 — Jun 31
Wed 5/27
Wed 6/3
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 April 27, 2026.

This United Airlines deal was found by Cheapflights users on 4/24. 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 9/199:45 am
RDM
-
LIS
2 stops41h 20m
United Airlines
Wed 11/181:00 pm
LIS
-
RDM
2 stops37h 03m
United Airlines
Deal found 4/24$788
This United Airlines deal was found by Cheapflights users on 4/24. 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 9/199:45 am
RDM
-
LIS
2 stops41h 20m
United Airlines
Thu 11/195:00 am
LIS
-
RDM
2 stops21h 03m
United Airlines
Deal found 4/24$791
This Delta deal was found by Cheapflights users on 4/24. 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 9/195:55 am
RDM
-
LIS
2 stops44h 50m
Delta
Mon 11/1611:25 am
LIS
-
RDM
2 stops43h 21m
Delta
Deal found 4/24$800
This United Airlines deal was found by Cheapflights users on 4/26. 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 9/199:45 am
RDM
-
LIS
3 stops39h 35m
United Airlines
Wed 9/3011:25 am
LIS
-
RDM
2 stops41h 46m
United Airlines
Deal found 4/26$834
This United Airlines deal was found by Cheapflights users on 4/24. 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 9/199:45 am
RDM
-
LIS
2 stops41h 20m
United Airlines
Sat 11/215:00 am
LIS
-
RDM
2 stops25h 54m
United Airlines
Deal found 4/24$841
This Air France deal was found by Cheapflights users on 4/23. 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.
Mon 9/2112:30 pm
RDM
-
LIS
2 stops25h 55m
Multiple Airlines
Wed 9/305:00 am
LIS
-
RDM
2 stops19h 39m
Multiple Airlines
Deal found 4/23$844
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Thu 9/179:45 am
RDM
-
LIS
2 stops29h 00m
United Airlines
Wed 11/181:00 pm
LIS
-
RDM
2 stops40h 20m
United Airlines
Deal found 4/24$847
This Delta deal was found by Cheapflights users on 4/24. 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 9/175:55 am
RDM
-
LIS
2 stops42h 55m
Delta
Mon 11/1611:25 am
LIS
-
RDM
2 stops44h 15m
Delta
Deal found 4/24$850
This United Airlines deal was found by Cheapflights users on 4/26. 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 10/177:08 am
RDM
-
LIS
3 stops42h 12m
United Airlines
Sat 10/2411:25 am
LIS
-
RDM
2 stops32h 26m
United Airlines
Deal found 4/26$867
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Fri 9/189:45 am
RDM
-
LIS
2 stops38h 35m
United Airlines
Wed 11/181:00 pm
LIS
-
RDM
2 stops40h 20m
United Airlines
Deal found 4/24$882
This Iberia deal was found by Cheapflights users on 4/23. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:45 pm
RDM
-
LIS
2 stops25h 25m
Multiple Airlines
Sat 10/247:10 am
LIS
-
RDM
2 stops23h 45m
Multiple Airlines
Deal found 4/23$885
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Fri 9/189:45 am
RDM
-
LIS
2 stops38h 35m
United Airlines
Thu 11/1911:55 am
LIS
-
RDM
2 stops17h 25m
United Airlines
Deal found 4/24$897

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 April 27, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$788
(United Airlines)

One-way from

$456
(Delta)

Popular in

June

Cheapest in

February

Average price

$694
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. 21% potential increase in price ($242 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($73 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 27, 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 9/19

5:55 am-10:45 am

2 stops44h 50m

Lisbon Humberto Delgado

Mon 11/16

11:25 am-10:46 pm

2 stops43h 21m

$800

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 10/17

7:08 am-9:20 am

3 stops42h 12m

Lisbon Humberto Delgado

Sat 10/24

11:25 am-11:51 am

2 stops32h 26m

$867

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 10/17

6:20 am-11:15 am

2 stops20h 55m

Lisbon Humberto Delgado

Sat 10/24

5:00 am-10:46 pm

2 stops25h 46m

$917

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Thu 8/20

6:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Mon 8/31

11:25 am-9:02 pm

2 stops41h 37m

$954

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sun 9/13

6:20 am-5:50 pm

2 stops27h 30m

Lisbon Humberto Delgado

Sat 11/21

5:00 am-4:35 pm

2 stops19h 35m

$973

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 10/17

12:30 pm-6:45 pm

2 stops22h 15m

Lisbon Humberto Delgado

Sat 10/24

5:00 am-10:46 pm

2 stops25h 46m

$976

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Thu 8/20

5:00 am-9:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Mon 8/31

1:00 pm-12:11 pm

3 stops31h 11m

$982

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Fri 5/15

12:15 pm-5:50 pm

2 stops21h 35m

Lisbon Humberto Delgado

Sun 5/24

5:00 am-10:54 pm

2 stops25h 54m

$1,056

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 10/17

7:08 am-11:05 am

2 stops19h 57m

Lisbon Humberto Delgado

Sat 10/24

1:00 pm-11:51 am

3 stops30h 51m

$1,074
Quickest round-trip

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Fri 5/15

12:15 pm-6:45 pm

2 stops22h 30m

Lisbon Humberto Delgado

Sun 5/24

5:00 am-6:40 pm

2 stops21h 40m

$1,115

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 April.
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 $1,691). 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 April 27, 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
9,665 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,665 reviews
United Airlines
7.4
Good
9,665 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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?

    Delta and United Airlines can get you from Redmond to Lisbon in just under 42h 12m. Your travel time can differ by up to 2h 38m. Airlines will cover a distance of 5305 mi. This flight may include one or multiple stops.

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

    United Airlines, at $646, 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 $1,691). 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
Portland to Faro flights
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 April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$646Average$806FlexibilityNo cancel feeOn-time69%

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