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Lisbon

$502+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — LIS
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/24. 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.
Mon 2/235:10 am
RDM
-
LIS
2 stops21h 05m
United Airlines
Mon 3/26:10 am
LIS
-
RDM
3 stops37h 19m
United Airlines
Deal found 1/24$502
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Wed 3/116:00 am
RDM
-
LIS
2 stops34h 30m
United Airlines
Wed 3/185:00 am
LIS
-
RDM
2 stops24h 45m
United Airlines
Deal found 1/24$503
This Air France deal was found by Cheapflights users on 1/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1611:23 am
RDM
-
LIS
2 stops19h 47m
Multiple Airlines
Mon 2/2311:25 am
LIS
-
RDM
2 stops43h 20m
Multiple Airlines
Deal found 1/26$567
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 2/55:00 am
RDM
-
LIS
2 stops19h 10m
United Airlines
Fri 2/1310:55 am
LIS
-
RDM
2 stops43h 50m
United Airlines
Deal found 1/27$612
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 2/167:49 am
RDM
-
LIS
2 stops31h 41m
United Airlines
Mon 2/2311:55 am
LIS
-
RDM
3 stops31h 34m
United Airlines
Deal found 1/26$635
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 2/55:00 am
RDM
-
LIS
2 stops19h 10m
United Airlines
Sat 2/145:00 am
LIS
-
RDM
2 stops25h 45m
United Airlines
Deal found 1/27$665
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Tue 5/121:20 pm
RDM
-
LIS
2 stops25h 25m
United Airlines
Sat 5/236:15 am
LIS
-
RDM
2 stops24h 27m
United Airlines
Deal found 1/24$724
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Fri 1/305:00 am
RDM
-
LIS
2 stops19h 10m
United Airlines
Tue 2/35:00 am
LIS
-
RDM
2 stops21h 12m
United Airlines
Deal found 1/25$779
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 4/212:57 pm
RDM
-
LIS
2 stops48h 58m
United Airlines
Sun 4/126:15 am
LIS
-
RDM
2 stops38h 41m
United Airlines
Deal found 1/27$810
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 3/201:13 pm
RDM
-
LIS
2 stops38h 02m
United Airlines
Sun 3/297:25 am
LIS
-
RDM
2 stops42h 40m
United Airlines
Deal found 1/26$1,090
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
RDM
-
LIS
2 stops21h 45m
Multiple Airlines
Sat 5/2310:10 am
LIS
-
RDM
1 stop21h 44m
Multiple Airlines
Deal found 1/24$1,153

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$502
(United Airlines)

Popular in

June

Cheapest in

April

Average price

$790
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
Highest demand for flights based on searches. 19% potential increase in price ($223 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 27, 2026.
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

Mon 2/23

5:10 am-10:15 am

2 stops21h 05m

Lisbon Humberto Delgado

Mon 3/2

6:10 am-11:29 am

3 stops37h 19m

$502

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Mon 2/23

11:23 am-5:30 pm

2 stops22h 07m

Lisbon Humberto Delgado

Mon 3/2

3:30 pm-10:45 pm

2 stops39h 15m

$502

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Wed 3/11

6:00 am-11:30 pm

2 stops34h 30m

Lisbon Humberto Delgado

Wed 3/18

5:00 am-10:45 pm

2 stops24h 45m

$503

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Mon 2/16

7:49 am-11:30 pm

2 stops31h 41m

Lisbon Humberto Delgado

Mon 2/23

11:55 am-11:29 am

3 stops31h 34m

$635

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 5/12

1:20 pm-10:45 pm

2 stops25h 25m

Lisbon Humberto Delgado

Sat 5/23

6:15 am-10:42 pm

2 stops24h 27m

$724

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Thu 4/2

12:57 pm-9:55 pm

2 stops48h 58m

Lisbon Humberto Delgado

Sun 4/12

6:15 am-12:56 pm

2 stops38h 41m

$810

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Fri 3/20

1:13 pm-10:15 am

2 stops38h 02m

Lisbon Humberto Delgado

Sun 3/29

7:25 am-6:05 pm

2 stops42h 40m

$1,090

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Thu 4/2

5:35 pm-11:45 am

1 stop34h 10m

Lisbon Humberto Delgado

Sun 4/12

10:00 pm-11:21 pm

2 stops33h 21m

$1,307

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Thu 5/21

5:27 pm-11:05 pm

2 stops21h 38m

$6,778

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Redmond-Lisbon flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $567). 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.

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 January 27, 2026.
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
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,119 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,205 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 05m. 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?

    Delta, at $479, was found to be the cheapest airline from Redmond to Lisbon. An alternate airline flying to your destination would be United Airlines. These flights start at 47% 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 $567). 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
Fátima
Oeiras
Ericeira
Beja
Costa da Caparica
Torres Vedras
Nazaré
Sesimbra
Colares

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
Eugene to Lisbon flights
Portland to Faro flights
Portland to Ponta Delgada flights
Eugene to Porto flights

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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$479Average$774FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$654Average$806FlexibilityNo cancel feeOn-time69%

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