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Lisbon

$377+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — LIS
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
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 March 12, 2026.

This United Airlines deal was found by Cheapflights users on 3/11. 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 12/45:30 am
RDM
-
LIS
2 stops20h 45m
United Airlines
Tue 12/811:20 am
LIS
-
RDM
2 stops35h 47m
United Airlines
Deal found 3/11$611
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/195:00 am
RDM
-
LIS
2 stops33h 45m
United Airlines
Sun 4/265:05 am
LIS
-
RDM
2 stops38h 50m
United Airlines
Deal found 3/11$622
This United Airlines deal was found by Cheapflights users on 3/11. 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 10/125:30 am
RDM
-
LIS
2 stops43h 50m
United Airlines
Thu 10/2910:15 am
LIS
-
RDM
2 stops18h 05m
United Airlines
Deal found 3/11$715
This United Airlines deal was found by Cheapflights users on 3/11. 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 10/165:30 am
RDM
-
LIS
2 stops45h 05m
United Airlines
Thu 10/2911:55 am
LIS
-
RDM
2 stops30h 56m
United Airlines
Deal found 3/11$717
This United Airlines deal was found by Cheapflights users on 3/11. 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 10/141:55 pm
RDM
-
LIS
2 stops37h 05m
United Airlines
Thu 10/2911:55 am
LIS
-
RDM
2 stops30h 56m
United Airlines
Deal found 3/11$720
This Flysmarter deal was found by Cheapflights users on 3/9. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:30 am
RDM
-
LIS
2 stops19h 50m
Air Canada
Tue 5/51:00 pm
LIS
-
RDM
2 stops30h 54m
Air Canada
Deal found 3/9$767
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/255:00 am
RDM
-
LIS
2 stops21h 35m
United Airlines
Sat 5/211:25 am
LIS
-
RDM
2 stops43h 34m
United Airlines
Deal found 3/11$776
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Sun 4/1910:44 am
RDM
-
LIS
2 stops23h 01m
American Airlines
Tue 5/51:40 pm
LIS
-
RDM
2 stops41h 43m
American Airlines
Deal found 3/10$830
This Air Canada deal was found by Cheapflights users on 3/11. 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.
Sun 4/195:00 am
RDM
-
LIS
2 stops20h 20m
Multiple Airlines
Tue 5/51:00 pm
LIS
-
RDM
2 stops30h 54m
Multiple Airlines
Deal found 3/11$833

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$622
(United Airlines)

One-way from

$377
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$727
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. 22% potential increase in price ($259 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 12, 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

Sun 4/19

5:00 am-10:45 pm

2 stops33h 45m

Lisbon Humberto Delgado

Sun 4/26

5:05 am-11:55 am

2 stops38h 50m

$622

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 4/25

5:00 am-10:35 am

2 stops21h 35m

Lisbon Humberto Delgado

Sat 5/2

11:25 am-10:59 pm

2 stops43h 34m

$776

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sun 4/19

10:44 am-5:45 pm

2 stops23h 01m

Lisbon Humberto Delgado

Tue 5/5

1:40 pm-11:23 pm

2 stops41h 43m

$830

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 8/22

6:00 am-9:20 am

3 stops43h 20m

Lisbon Humberto Delgado

Sat 9/5

11:25 am-9:06 pm

2 stops41h 41m

$907

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Fri 4/24

1:55 pm-10:45 pm

2 stops24h 50m

Lisbon Humberto Delgado

Fri 5/1

11:25 am-8:58 pm

2 stops41h 33m

$939

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sun 3/22

1:13 pm-9:20 am

2 stops37h 07m

Lisbon Humberto Delgado

Tue 3/31

5:05 am-10:59 pm

2 stops25h 54m

$1,085
Quickest round-trip

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 4/25

5:00 am-9:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Sat 5/2

1:00 pm-11:53 am

3 stops30h 53m

$1,097

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Fri 5/15

5:00 am-11:00 am

2 stops46h 00m

Lisbon Humberto Delgado

Sun 5/24

11:25 am-9:12 pm

2 stops41h 47m

$1,182
Cheapest one-way

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sun 4/26

6:00 am-9:05 pm

3 stops31h 05m

$377

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 4/25

1:52 pm-9:05 pm

3 stops47h 13m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 14 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 March.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 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 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 $483). Flying from Redmond to Lisbon in June is currently the most expensive (average of $1,399). 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 March 12, 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
9,418 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 American Airlines can get you from Redmond to Lisbon in just under 23h 01m. Your travel time can differ by up to 10h 44m. 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 26% 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 $483). Flying from Redmond to Lisbon in June is currently the most expensive (average of $1,399). 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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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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$646Average$806FlexibilityNo cancel feeOn-time69%

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