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$454+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — LIS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$569
(United Airlines)

One-way from

$454
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,098
From Bend/Redmond to Lisbon Humberto Delgado
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One-way flight from Bend/Redmond to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 25% potential increase in price ($372 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:51 pmRDM - LIS
2 stops29h 29mUnited Airlines
Wed 11/265:00 amLIS - RDM
2 stops25h 45mUnited Airlines
Deal found 9/10$569
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:00 amRDM - LIS
2 stops21h 15mUnited Airlines
Wed 11/265:00 amLIS - RDM
2 stops25h 45mUnited Airlines
Deal found 9/10$573
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:51 pmRDM - LIS
2 stops29h 29mUnited Airlines
Thu 11/275:00 amLIS - RDM
2 stops45h 15mUnited Airlines
Deal found 9/10$574
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/151:17 pmRDM - LIS
2 stops36h 03mUnited Airlines
Wed 11/265:00 amLIS - RDM
2 stops25h 45mUnited Airlines
Deal found 9/10$575
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:51 pmRDM - LIS
2 stops30h 24mUnited Airlines
Thu 11/275:00 amLIS - RDM
2 stops39h 15mUnited Airlines
Deal found 9/10$578
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:00 amRDM - LIS
2 stops21h 15mUnited Airlines
Thu 11/276:10 amLIS - RDM
2 stops20h 06mUnited Airlines
Deal found 9/10$584
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:00 amRDM - LIS
2 stops21h 15mUnited Airlines
Sun 12/710:50 amLIS - RDM
2 stops44h 09mUnited Airlines
Deal found 9/9$613
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:00 amRDM - LIS
2 stops20h 20mUnited Airlines
Fri 11/285:00 amLIS - RDM
2 stops25h 58mUnited Airlines
Deal found 9/10$615
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:00 amRDM - LIS
2 stops20h 15mUnited Airlines
Fri 11/285:00 amLIS - RDM
2 stops25h 58mUnited Airlines
Deal found 9/10$619
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amRDM - LIS
2 stops20h 15mUnited Airlines
Wed 11/265:00 amLIS - RDM
2 stops25h 45mUnited Airlines
Deal found 9/10$623
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:00 amRDM - LIS
2 stops21h 15mUnited Airlines
Thu 11/276:10 amLIS - RDM
2 stops20h 06mUnited Airlines
Deal found 9/10$634

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 September 11, 2025.
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 11/17

7:51 pm-9:20 am

2 stops29h 29m

Lisbon Humberto Delgado

Wed 11/26

5:00 am-10:45 pm

2 stops25h 45m

$569

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Mon 11/17

7:51 pm-9:20 am

2 stops29h 29m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-6:15 pm

2 stops45h 15m

$574

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 11/18

5:00 am-9:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-12:15 pm

2 stops39h 15m

$574

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 11/15

7:51 pm-10:15 am

2 stops30h 24m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-12:15 pm

2 stops39h 15m

$578

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sun 11/16

5:00 am-10:15 am

2 stops21h 15m

Lisbon Humberto Delgado

Thu 11/27

6:10 am-6:16 pm

2 stops20h 06m

$584

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Wed 12/3

5:00 am-10:15 am

2 stops21h 15m

Lisbon Humberto Delgado

Sun 12/7

10:50 am-10:59 pm

2 stops44h 09m

$613

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sun 11/16

6:00 am-10:15 am

2 stops20h 15m

Lisbon Humberto Delgado

Fri 11/28

5:00 am-10:58 pm

2 stops25h 58m

$619

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 12/16

5:00 am-8:10 am

2 stops19h 10m

Lisbon Humberto Delgado

Wed 12/24

11:00 am-9:20 pm

2 stops42h 20m

$658

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 12/16

5:00 am-8:10 am

2 stops19h 10m

Lisbon Humberto Delgado

Thu 12/25

10:15 am-9:20 pm

2 stops19h 05m

$821

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 12/16

5:00 am-8:10 am

2 stops19h 10m

Lisbon Humberto Delgado

Tue 12/23

11:20 am-9:20 pm

2 stops42h 00m

$828

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 12 results
1
2

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, January is the cheapest month in which you can book a flight from Redmond to Lisbon (average of $612). Flying from Redmond to Lisbon in June is currently the most expensive (average of $1,127). 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.

What is the cheapest time of day to fly from RDM to LIS?

Find hourly flight availability from Redmond to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Redmond to Lisbon, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 13% versus a flight at noon.

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 September 11, 2025.
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
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 29h 29m. 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?

    United Airlines, at $688, was found to be the cheapest airline from Redmond to Lisbon. An alternate airline flying to your destination would be Delta. These flights start at 36% 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, January is the cheapest month in which you can book a flight from Redmond to Lisbon (average of $612). Flying from Redmond to Lisbon in June is currently the most expensive (average of $1,127). 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
Sintra
Fátima
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Boise to Lisbon flights
Portland to Porto flights
Eugene to Lisbon flights
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Eugene to Porto flights
Portland to Ponta Delgada 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$688Average$998FlexibilityNo cancel feeOn-time69%
DeltaCheapest$774Average$1,174FlexibilityNo cancel feeOn-timeN/A

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