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Portugal

$504+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — LIS
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap 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 February 4, 2026.

This United Airlines deal was found by Cheapflights users on 2/3. 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 3/47:50 am
RDM
-
LIS
2 stops21h 30m
United Airlines
Sun 3/85:00 am
LIS
-
RDM
2 stops38h 11m
United Airlines
Deal found 2/3$504
This United Airlines deal was found by Cheapflights users on 2/4. 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 4/231:55 pm
RDM
-
LIS
3 stops60h 40m
United Airlines
Thu 5/711:25 am
LIS
-
RDM
2 stops57h 13m
United Airlines
Deal found 2/4$594
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/166:00 am
RDM
-
LIS
2 stops24h 20m
United Airlines
Mon 3/307:25 am
LIS
-
RDM
2 stops60h 30m
United Airlines
Deal found 2/3$617
This Air France deal was found by Cheapflights users on 2/4. 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.
Thu 4/236:05 am
RDM
-
LIS
2 stops21h 10m
Multiple Airlines
Thu 5/77:45 pm
LIS
-
RDM
2 stops35h 19m
Multiple Airlines
Deal found 2/4$644
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/281:54 pm
RDM
-
LIS
2 stops39h 26m
United Airlines
Sat 3/712:20 pm
LIS
-
RDM
2 stops41h 25m
United Airlines
Deal found 2/2$646
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/176:00 am
RDM
-
LIS
2 stops34h 30m
United Airlines
Mon 3/307:25 am
LIS
-
RDM
2 stops47h 34m
United Airlines
Deal found 2/2$704
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/67:09 am
RDM
-
LIS
2 stops17h 01m
United Airlines
Tue 2/105:00 am
LIS
-
RDM
2 stops24h 21m
United Airlines
Deal found 2/2$780
This United Airlines deal was found by Cheapflights users on 2/2. 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 5/315:00 am
RDM
-
LIS
2 stops46h 00m
United Airlines
Thu 6/1111:25 am
LIS
-
RDM
2 stops43h 17m
United Airlines
Deal found 2/2$812
This United Airlines deal was found by Cheapflights users on 2/2. 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 5/303:47 pm
RDM
-
LIS
2 stops59h 13m
United Airlines
Wed 6/101:00 pm
LIS
-
RDM
2 stops30h 58m
United Airlines
Deal found 2/2$824
This United Airlines deal was found by Cheapflights users on 2/2. 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 9/135:30 am
RDM
-
LIS
2 stops45h 30m
United Airlines
Wed 9/2311:25 am
LIS
-
RDM
2 stops41h 55m
United Airlines
Deal found 2/2$834

Find flight deals from Redmond to Portugal

Keep the following information in mind while searching for Redmond to Portugal flight deals. Data was last updated February 4, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$504
(United Airlines)

Popular in

June

Cheapest in

April

Average price

$773
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 Portugal
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 February 2026
Search Deals

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 February 4, 2026.
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 3/4

7:50 am-1:20 pm

2 stops21h 30m

Lisbon Humberto Delgado

Sun 3/8

5:00 am-11:11 am

2 stops38h 11m

$504

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Thu 4/23

1:55 pm-10:35 am

3 stops60h 40m

Lisbon Humberto Delgado

Thu 5/7

11:25 am-12:38 pm

2 stops57h 13m

$594

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Mon 3/16

6:00 am-1:20 pm

2 stops24h 20m

Lisbon Humberto Delgado

Mon 3/30

7:25 am-11:55 am

2 stops60h 30m

$617

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Thu 4/23

6:05 am-11:15 am

2 stops21h 10m

Lisbon Humberto Delgado

Thu 5/7

7:45 pm-11:04 pm

2 stops35h 19m

$644

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 2/28

1:54 pm-1:20 pm

2 stops39h 26m

Lisbon Humberto Delgado

Sat 3/7

12:20 pm-9:45 pm

2 stops41h 25m

$646

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Tue 3/17

6:00 am-11:30 pm

2 stops34h 30m

Lisbon Humberto Delgado

Mon 3/30

7:25 am-10:59 pm

2 stops47h 34m

$704

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sun 5/31

5:00 am-11:00 am

2 stops46h 00m

Lisbon Humberto Delgado

Thu 6/11

11:25 am-10:42 pm

2 stops43h 17m

$812

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 5/30

3:47 pm-11:00 am

2 stops59h 13m

Lisbon Humberto Delgado

Wed 6/10

1:00 pm-11:58 am

2 stops30h 58m

$824

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Sat 2/28

6:23 am-11:45 am

1 stop21h 22m

Lisbon Humberto Delgado

Sat 3/7

10:30 am-10:18 pm

1 stop19h 48m

$907

RedmondLisbon

RDM - LIS

RDMLIS

Bend/Redmond

Fri 3/20

1:54 pm-11:35 am

2 stops62h 41m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 11 results
1
2

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, February is the cheapest month in which you can book a flight from Redmond to Portugal (average of $567). Flying from Redmond to Portugal 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 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 February 4, 2026.
Read reviews from past customers who have flown United Airlines 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.
United Airlines
7.4
Good
9,236 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

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
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

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 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.

  • How long is the flight from Redmond to Portugal?

    United Airlines can get you from Redmond to Portugal in just under 21h 30m. Your travel time can differ by up to . The distance from Redmond to Portugal is about 5305 mi.

  • 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, February is the cheapest month in which you can book a flight from Redmond to Portugal (average of $567). Flying from Redmond to Portugal 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

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Top airline flying from Redmond to Portugal

Discover the top airline 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$654Average$990FlexibilityNo cancel feeOn-time69%

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