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Lisbon

$334+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — LIS
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
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 July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 12/56:48 pm
RDM
-
LIS
2 stops29h 22m
United Airlines
Wed 12/165:00 am
LIS
-
RDM
2 stops25h 54m
United Airlines
Deal found 7/27$734
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 11/137:25 pm
RDM
-
LIS
2 stops53h 55m
United Airlines
Tue 11/1711:20 am
LIS
-
RDM
2 stops38h 59m
United Airlines
Deal found 7/27$740
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 11/87:25 pm
RDM
-
LIS
2 stops31h 15m
United Airlines
Sun 11/1510:50 am
LIS
-
RDM
2 stops42h 28m
United Airlines
Deal found 7/25$780
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:25 am
RDM
-
LIS
2 stops18h 40m
American Airlines
Wed 12/1611:05 am
LIS
-
RDM
2 stops19h 55m
American Airlines
Deal found 7/23$797
This KLM deal was found by Cheapflights users on 7/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:10 am
RDM
-
LIS
2 stops24h 25m
KLM
Thu 10/225:00 am
LIS
-
RDM
2 stops26h 06m
KLM
Deal found 7/27$798
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 10/115:00 am
RDM
-
LIS
2 stops20h 20m
United Airlines
Wed 10/285:00 am
LIS
-
RDM
2 stops20h 46m
United Airlines
Deal found 7/24$823
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:44 pm
RDM
-
LIS
2 stops20h 06m
Delta
Fri 10/25:00 am
LIS
-
RDM
2 stops26h 08m
Delta
Deal found 7/26$824
This United Airlines deal was found by Cheapflights users on 7/24. 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 10/295:00 am
RDM
-
LIS
2 stops25h 20m
United Airlines
Sat 11/711:20 am
LIS
-
RDM
2 stops43h 37m
United Airlines
Deal found 7/24$834
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/225:00 am
RDM
-
LIS
2 stops22h 05m
United Airlines
Mon 10/1911:25 am
LIS
-
RDM
2 stops38h 47m
United Airlines
Deal found 7/27$879
This Delta deal was found by Cheapflights users on 7/24. 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 10/171:26 pm
RDM
-
LIS
2 stops20h 24m
Delta
Sat 10/245:00 am
LIS
-
RDM
2 stops21h 46m
Delta
Deal found 7/24$904
This KLM deal was found by Cheapflights users on 7/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:10 am
RDM
-
LIS
2 stops24h 25m
KLM
Sat 10/248:55 am
LIS
-
RDM
2 stops22h 11m
KLM
Deal found 7/27$908

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 July 28, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$734
(United Airlines)

One-way from

$334
(American Airlines)

Popular in

September

Cheapest in

February

Average price

$800
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. 12% potential increase in price ($131 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 28, 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 12/5

6:48 pm-8:10 am

2 stops29h 22m

Lisbon Humberto Delgado

Wed 12/16

5:00 am-10:54 pm

2 stops25h 54m

$734

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sun 11/8

7:25 pm-10:40 am

2 stops31h 15m

Lisbon Humberto Delgado

Sun 11/15

10:50 am-9:18 pm

2 stops42h 28m

$780

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 10/13

6:10 am-2:35 pm

2 stops24h 25m

Lisbon Humberto Delgado

Thu 10/22

5:00 am-11:06 pm

2 stops26h 06m

$798

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Wed 9/23

1:44 pm-5:50 pm

2 stops20h 06m

Lisbon Humberto Delgado

Fri 10/2

5:00 am-11:08 pm

2 stops26h 08m

$824

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Thu 10/29

5:00 am-1:20 pm

2 stops25h 20m

Lisbon Humberto Delgado

Sat 11/7

11:20 am-10:57 pm

2 stops43h 37m

$834

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 9/22

5:00 am-11:05 am

2 stops22h 05m

Lisbon Humberto Delgado

Mon 10/19

11:25 am-6:12 pm

2 stops38h 47m

$879

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 10/17

5:15 am-2:55 pm

2 stops25h 40m

Lisbon Humberto Delgado

Sat 10/24

8:55 am-11:06 pm

2 stops22h 11m

$904
Quickest round-trip

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 10/17

1:26 pm-5:50 pm

2 stops20h 24m

Lisbon Humberto Delgado

Sat 10/24

5:00 am-6:46 pm

2 stops21h 46m

$904

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 10/17

6:10 am-2:35 pm

2 stops24h 25m

Lisbon Humberto Delgado

Sat 10/24

8:55 am-11:06 pm

2 stops22h 11m

$908
Cheapest one-way
Quickest one-way

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 1/5

5:27 am-9:05 am

2 stops19h 38m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 12 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 July.
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 September is currently the most expensive (average of $1,387). 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.

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 July 28, 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
10,049 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,049 reviews
United Airlines
7.4
Good
10,049 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 and KLM can get you from Redmond to Lisbon in just under 24h 25m. Your travel time can differ by up to 4h 57m. 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 $626, was found to be the cheapest airline from Redmond to Lisbon.. This flight start at 29% 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 September is currently the most expensive (average of $1,387). 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
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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Portland to Faro 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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$626Average$806FlexibilityNo cancel feeOn-time69%

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