$377 Find Cheap Flights from Redmond to Portugal

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Redmond to Portugal departing on 4/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Redmond to Portugal Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Redmond to Portugal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Redmond to Portugal

Mon, Apr 27 - Mon, May 4
Multiple Airlines Logo
11:35 am - 5:50 pm
RDM
-
LIS
22h 15m
2 stops
Multiple Airlines Logo
7:45 pm - 5:01 pm
LIS
-
RDM
29h 16m
2 stops
$620Multiple Airlines
Sun, Apr 19 - Sun, Apr 26
United Airlines Logo
5:00 am - 10:45 pm
RDM
-
LIS
33h 45m
2 stops
United Airlines Logo
5:05 am - 11:55 am
LIS
-
RDM
38h 50m
2 stops
$622United Airlines
Wed, Apr 29 - Wed, May 6
United Airlines Logo
5:30 am - 10:45 pm
RDM
-
LIS
33h 15m
2 stops
United Airlines Logo
11:25 am - 11:53 am
LIS
-
RDM
32h 28m
2 stops
$638United Airlines
Tue, Apr 7 - Wed, Apr 15
United Airlines Logo
5:00 am - 1:40 pm
RDM
-
LIS
24h 40m
2 stops
United Airlines Logo
1:00 pm - 11:55 am
LIS
-
RDM
30h 55m
2 stops
$684United Airlines
Wed, Apr 29 - Wed, May 6
United Airlines Logo
5:30 am - 10:45 pm
RDM
-
LIS
33h 15m
2 stops
United Airlines Logo
11:25 am - 5:58 pm
LIS
-
RDM
62h 33m
3 stops
$738United Airlines
Fri, May 1 - Wed, Jun 3
United Airlines Logo
6:55 pm - 10:30 am
RDM
-
LIS
55h 35m
2 stops
United Airlines Logo
11:25 am - 10:59 pm
LIS
-
RDM
43h 34m
2 stops
$775United Airlines
Sat, Apr 25 - Sat, May 2
United Airlines Logo
5:00 am - 10:35 am
RDM
-
LIS
21h 35m
2 stops
United Airlines Logo
11:25 am - 10:59 pm
LIS
-
RDM
43h 34m
2 stops
$776United Airlines
Sun, Apr 19 - Sun, Apr 26
United Airlines Logo
1:55 pm - 9:20 am
RDM
-
LIS
35h 25m
3 stops
United Airlines Logo
6:45 am - 10:59 pm
LIS
-
RDM
24h 14m
2 stops
$796United Airlines
Sun, Apr 19 - Tue, May 5
American Airlines Logo
10:44 am - 5:45 pm
RDM
-
LIS
23h 01m
2 stops
American Airlines Logo
1:40 pm - 11:23 pm
LIS
-
RDM
41h 43m
2 stops
$830American Airlines
Sun, Apr 19 - Tue, May 5
Multiple Airlines Logo
5:00 am - 9:20 am
RDM
-
LIS
20h 20m
2 stops
Multiple Airlines Logo
1:00 pm - 11:54 am
LIS
-
RDM
30h 54m
2 stops
$833Multiple Airlines
Booking Insights

KAYAK's insights & trends for Redmond to Portugal flights

Get data-powered insights and trends into flights from Redmond to Portugal to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Redmond to Portugal?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Redmond to Portugal, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Redmond to Portugal is February, when tickets cost $509 (return) on average. On the other hand, the most expensive months are June and September, when the average cost of round-trip tickets is $1,691 and $1,098 respectively.

Good to know

Low seasonJanuary
Cheapest flight$377
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from Redmond to Lisbon

FAQs - booking Portugal flights

  • How does KAYAK find such low prices on flights from Redmond to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Redmond to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Redmond to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Redmond to Portugal is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Redmond to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Redmond to Portugal with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Redmond to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Redmond to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Redmond to Portugal

 
Need help choosing which airline to fly with from Redmond to Portugal? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9428 reviews
8.1Crew
6.6Food
7.1Entertainment
7.7Boarding
7.3Comfort
Airline reviews

Both my flight where delayed Had 25min to make it to my transfer flight

4.0 OkayAnonymous, Mar 2026
BGR - EWR
Read more United Airlines reviews

Both my flight where delayed Had 25min to make it to my transfer flight

Everything was on time and service on the flight was great!

Wifi Bluetooth features for watching in flight movie was horrible. Screen kept blacking out no connection of sound although it said connected. Other than that smooth trip .

The 777’s economy seat’s legroom was more tolerable than expected. I appreciate the reclining mechanism which slides the seat forward to minimize cannibalizing the space behind. The food was terrible: very salty.

The travel company that you have on your site did me so wrong. I don’t know how it happened, but they put my son‘s name on my plane ticket flying to Vietnam. Along with his birthday. They would not have let me fly from Fort Myers to Ho Chi Minh City. I don’t think that I can ever use your service again. I typed my information into the browser along with my passport number and four days before I’m leaving I have to quickly search another ticket to fly out here.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

It’s always a great time flying with united airlines.

Good flight. Efficient boarding and competent flight crew. No problems until we arrived at our destination gate. We were early so there was an aircraft at the gate that had to move before we could pull in. Then, due to the type of aircraft we flew, the cabin door could not be opened until some luggage from the cargo bay was offloaded to preserve center of gravity characteristics. So, that further delayed deplaning. Despite being 20 minutes early on landing, we ended up being 5 to 10 minutes late after all the delays.

Everything went well except the turbulence what no one have a control of but pilot and crew handled very good!

Everything you need to know for your flight from Redmond to Portugal

Information on your arrival and departure airports