HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$643+ Cheap flights from Redmond (RDM) to Portugal

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — LIS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Redmond to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Redmond to Portugal

Keep the following information in mind while searching for Redmond to Portugal flight deals. Data was last updated July 29, 2025.

Round-trip from

$643
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$1,369
From Bend/Redmond to Portugal
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($367 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Redmond to Portugal

Cheapest flights from Redmond to Portugal
Explore the most affordable flight options available from Redmond to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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 stops19h 10mUnited Airlines
Sun 12/710:50 amLIS - RDM
2 stops34h 07mUnited Airlines
Deal found 7/28$643
This American Airlines deal was found by Cheapflights users on 7/28. 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 11/15:57 amRDM - LIS
2 stops20h 08mMultiple Airlines
Sat 11/810:30 amLIS - RDM
2 stops21h 29mMultiple Airlines
Deal found 7/28$710
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 9/125:55 amRDM - LIS
2 stops24h 55mDelta
Fri 9/195:00 amLIS - RDM
2 stops26h 51mDelta
Deal found 7/29$1,066
This Ovago deal was found by Cheapflights users on 7/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:54 pmRDM - LIS
2 stops16h 16mBritish Airways
Sun 10/126:50 pmLIS - RDM
2 stops30h 23mBritish Airways
Deal found 7/28$1,110

Cheapflights Fare Finder

 
Customize your flight search to find flights from Redmond to Portugal 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 29, 2025.
Use the filters below to find and compare flights from Redmond to Portugal that are best for you.

Fly from

Redmond

Fly to

Portugal

Route

Depart

Return

Price

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Wed 12/3

5:00 am-8:10 am

2 stops19h 10m

Lisbon Humberto Delgado

Sun 12/7

10:50 am-12:57 pm

2 stops34h 07m

$643

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 11/1

5:57 am-9:05 am

2 stops20h 08m

Lisbon Humberto Delgado

Sat 11/8

10:30 am-11:59 pm

2 stops21h 29m

$710

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Fri 9/12

5:55 am-2:50 pm

2 stops24h 55m

Lisbon Humberto Delgado

Fri 9/19

5:00 am-11:51 pm

2 stops26h 51m

$1,066

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Thu 10/9

5:54 pm-6:10 pm

2 stops16h 16m

Lisbon Humberto Delgado

Sun 10/12

6:50 pm-5:13 pm

2 stops30h 23m

$1,110

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Redmond to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

What is the cheapest month to book a flight from Redmond to Portugal?

Currently, January is the cheapest month in which you can book a flight from Redmond to Portugal (average of $612). Flying from Redmond to Portugal in June is currently the most expensive (average of $1,129). 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 PT?

Find hourly flight availability from Redmond to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Redmond to Portugal as you normally would.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and British Airways from Redmond to Portugal. 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
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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!
British Airways
6.6
Okay
7,208 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

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 Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Redmond to Portugal?

    For a flight from Redmond to Portugal, you will be flying from Bend/Redmond. Bend/Redmond (RDM) is just 1.8 mi from the center of the city.

  • Can I find deals for flights from Redmond to Portugal that include hotel bookings?

    Yes. In addition to deals on Redmond to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Redmond to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Redmond to Portugal.

  • Can I find deals for business class flights from Redmond to Portugal?

    Yes. Cheapflights offers flight deals from Redmond to Portugal 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 Portugal?

    Currently, January is the cheapest month in which you can book a flight from Redmond to Portugal (average of $612). Flying from Redmond to Portugal in June is currently the most expensive (average of $1,129). 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

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 Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Heathrow flights
Portland to Madrid flights
Portland to Charles de Gaulle flights
Portland to Leonardo da Vinci/Fiumicino flights
Portland to Athens flights
Portland to Dublin flights
Portland to Lisbon flights
Portland to Gatwick flights
Portland to Amsterdam flights
Portland to London City flights
Portland to Munich flights
Portland to Keflavik Intl flights
Portland to Orly flights
Portland to Barcelona-El Prat flights
Portland to Frankfurt flights
Portland to Naples flights
Portland to Istanbul flights
Portland to Edinburgh flights
Portland to Vicenza flights
Portland to Zurich flights
Portland to Vienna flights
Portland to Bruxelles-National flights
Redmond to Frankfurt flights
Boise to Heathrow flights
Boise to Dublin flights
Portland to Copenhagen flights
Portland to Sabiha Gokcen flights
Portland to Malpensa flights
Boise to Lisbon flights
Portland to Linate flights
Portland to Berlin flights
Boise to Barcelona-El Prat flights
Boise to Leonardo da Vinci/Fiumicino flights
Portland to Florence flights
Portland to Luton flights
Portland to Porto flights
Portland to Geneva flights
Portland to Stansted flights
Boise to Gatwick flights
Eugene to Istanbul flights
Boise to Vicenza flights
Portland to Frederic Chopin flights
Portland to Toulouse flights
Portland to Otopeni Intl flights
Portland to Prague flights
Eugene to Charles de Gaulle flights
Portland to Helsinki flights
Portland to Oslo Gardermoen flights
Boise to Madrid flights
Portland to Manchester flights

Top 3 airlines flying from Redmond to Portugal

Discover the top 3 airlines that operate flights from Redmond to Portugal. 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$688Average$998FlexibilityNo cancel feeOn-time69%
KLMCheapest$731Average$1,281FlexibilityNo cancel feeOn-time75%
DeltaCheapest$774Average$1,174FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.