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$332 Cheap Flights from Redmond (RDM) to Lisbon (LIS)

View $332 flight on Tue, Mar 2, 2027Opens in a new window

Popular airlines from Redmond Municipal Airport (RDM) to Humberto Delgado Airport (LIS)

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Cheap Flights from Redmond to Lisbon (RDM-LIS)

Prices were available within the past 7 days and start at $332 for one-way flights and $596 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Jan 13 - Wed, Jan 27
RDM
Redmond
LIS
Lisbon
$596 Roundtrip, found 10 hours ago
$596
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Jan 13 from Redmond to Lisbon, returning Wed, Jan 27, priced at $596 found 10 hours ago
Delta
Wed, Jan 13 - Wed, Jan 27
RDM
Redmond
LIS
Lisbon
$607 Roundtrip, found 10 hours ago
$607
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Jan 13 from Redmond to Lisbon, returning Wed, Jan 27, priced at $607 found 10 hours ago
Delta
Wed, Jan 13 - Wed, Jan 27
RDM
Redmond
LIS
Lisbon
$615 Roundtrip, found 10 hours ago
$615
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Jan 13 from Redmond to Lisbon, returning Wed, Jan 27, priced at $615 found 10 hours ago
Delta
Wed, Jan 13 - Wed, Jan 27
RDM
Redmond
LIS
Lisbon
$622 Roundtrip, found 10 hours ago
$622
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Jan 13 from Redmond to Lisbon, returning Wed, Jan 27, priced at $622 found 10 hours ago
Delta
Wed, Jan 13 - Wed, Jan 27
RDM
Redmond
LIS
Lisbon
$624 Roundtrip, found 10 hours ago
$624
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Jan 13 from Redmond to Lisbon, returning Wed, Jan 27, priced at $624 found 10 hours ago
Delta
Tue, Mar 2 - Tue, Mar 23
RDM
Redmond
LIS
Lisbon
$627 Roundtrip, found 3 hours ago
$627
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Mar 2 from Redmond to Lisbon, returning Tue, Mar 23, priced at $627 found 3 hours ago
Air France
Tue, Mar 2 - Tue, Mar 23
RDM
Redmond
LIS
Lisbon
$643 Roundtrip, found 3 hours ago
$643
Roundtrip
found 3 hours ago
Select Air France flight, departing Tue, Mar 2 from Redmond to Lisbon, returning Tue, Mar 23, priced at $643 found 3 hours ago
Virgin Atlantic
Wed, Jan 13 - Wed, Jan 27
RDM
Redmond
LIS
Lisbon
$652 Roundtrip, found 10 hours ago
$652
Roundtrip
found 10 hours ago
Select Virgin Atlantic flight, departing Wed, Jan 13 from Redmond to Lisbon, returning Wed, Jan 27, priced at $652 found 10 hours ago
KLM
Tue, Mar 2 - Tue, Mar 23
RDM
Redmond
LIS
Lisbon
$655 Roundtrip, found 3 hours ago
$655
Roundtrip
found 3 hours ago
Select KLM flight, departing Tue, Mar 2 from Redmond to Lisbon, returning Tue, Mar 23, priced at $655 found 3 hours ago
United
Sun, Nov 1 - Mon, Nov 9
RDM
Redmond
LIS
Lisbon
$721 Roundtrip, found 10 hours ago
$721
Roundtrip
found 10 hours ago
Select United flight, departing Sun, Nov 1 from Redmond to Lisbon, returning Mon, Nov 9, priced at $721 found 10 hours ago

Alternative airports near Lisbon

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Humberto Delgado LIS. Cheapest option available. Flights from $797
LIS
Humberto Delgado
Cheapest
Flights from $797

What you need to know for your flight from Robert's Field to Humberto Delgado

Redmond (RDM) to Lisbon (LIS) at a glance

Travel on a range of airlines that connect Redmond (RDM) to Lisbon (LIS) along this international long-haul route. Compare choices from both full-service and budget carriers to discover the itinerary that aligns with your budget, schedule, and travel preferences as you delve into Lisbon's renowned attractions and neighborhoods. Here, you'll find essential information for flights departing from Robert's Field Airport (RDM) to Humberto Delgado Airport (LIS).

  • Fastest flight duration: around 14h 15m in-flight, plus roughly 4h 15m total layover with two or more stops
  • Route distance: roughly 5,300 miles (8,530 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $280–$1245, depending on seasonality and how far ahead you book

Flights from Robert's Field Airport (RDM) to Humberto Delgado Airport (LIS)

According to recent traveler bookings, here are the top airlines preferred for flights from Redmond to Lisbon, especially for multi-stop itineraries. Popular layover options include Schiphol Airport (AMS) with a layover time of approximately 2 hours and 30 minutes, San Francisco International Airport (SFO) at about 3 hours and 15 minutes, and Philadelphia International Airport (PHL) with a 1-hour and 15-minute layover. This variety allows you to customize your journey by balancing price, total travel time, and cabin class for the ideal itinerary.

  • American Airlines: This full-service airline provides multi-stop routes, with one-way ticket prices generally falling between $480 and $805. They represent about 31% of departures for this journey, featuring a flight duration of 14 hours and 15 minutes, and an overall travel time of approximately 18 hours and 45 minutes, including layovers.
  • United: Another full-service option, United offers multi-stop services with one-way fares typically ranging from $440 to $655. They account for around 19% of the departures on this route, with an in-flight duration of 14 hours and 15 minutes, leading to a total travel time of about 18 hours and 45 minutes, factoring in layovers.

How to find the best prices for flights from Redmond (RDM) to Lisbon (LIS)

Getting some of the best deals on flights from Redmond to Lisbon is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, a time frame that coincides with when most travelers make their reservations. Afternoon departures (12pm-6pm) often offer lower prices, while Morning flights (5am-12pm) tend to be more popular. Additionally, flying on Tuesday provides both more affordable fares and is the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Lisbon hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Humberto Delgado Airport from Robert's Field Airport

Lisbon welcomes travelers from Redmond with a range of transport options based on price, convenience, and proximity. Here's how to reach Lisbon efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Lisbon, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Humberto Delgado Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Humberto Delgado Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Humberto Delgado Airport, travelers can easily access Lisbon Airport Station, a metro station just 0.1 miles away on foot, while Oriente Bus Station, a bus station, is located about 1.8 miles from the airport by car. Additionally, Roma-Areeiro Station, a train station, is also 1.8 miles away by car, providing convenient options for onward journeys.

Frequently asked questions

How much does a flight from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado) cost?
You can find cheap one-way flights from $332 and cheap return flights from $596 Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado) with Expedia. Return flights often range between $820 and $4563. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado)?
The cheapest month to fly from RDM to LIS is January when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado)?
Enter RDM to LIS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado)?
KLM is one of the cheapest airlines offering connecting flights from Redmond, OR (RDM) to Lisbon (LIS), with round-trip tickets starting from around $591.63, with a layover in Salt Lake City Intl. (SLC). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado)?
To find a cheap flight from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado)?
The earliest flight from Redmond, OR (RDM) to Lisbon (LIS) typically departs at around 5:00 AM, operated by Delta and Air France. This is a seasonal service active in January. An early departure can help you make the most of your time in Lisbon. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado)?
The most popular departure times for flights from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado) are in the early morning, from 6am to 9am. About 28% of passengers prefer this time window. Many major carriers, including United Airlines and Alaska Airlines, offer flights during this window. This timing works well because it allows you to arrive in Lisbon with a full day ahead to explore.
How long does it take to fly from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado)?
Flights from RDM to LIS with one stop typically take around 19 hours 20 minutes, covering approximately 5,310 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado)?
Select the "Business class" and "First class" filters when looking for RDM to LIS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado) flight with Expedia?
It's easy to earn miles on a Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Lisbon from Robert's Field (RDM)?
If you're planning to travel to Lisbon from Robert's Field (RDM), you can fly typically into Humberto Delgado (LIS) Some flights may connect through major hubs like San Francisco Intl. (SFO), Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN) before reaching Lisbon. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado) at the last minute?
Typically, booking a last minute flight from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado) flight and hotel package?
Securing a Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado) Lisbon Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado)?
If you booked your Redmond, OR (RDM-Robert's Field) to Lisbon (LIS-Humberto Delgado) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Robert's Field
Destination airport
Humberto Delgado
Airlines serving
Air France, Alaska Airlines, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, United, Virgin Atlantic
Roundtrip price
$596
Distance
5309 mi

Book with confidence

Redmond to Lisbon Flights

The cheapest times to fly from Redmond to Lisbon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Redmond to Lisbon are during the month of January. You can find some of the cheapest flights from Redmond to Lisbon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Redmond to Lisbon

Sunday is one of the best days to book for cheap flights from Redmond to Lisbon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Redmond to Lisbon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Redmond to Lisbon in 2026. You can also book with separate airlines for your outbound and return journeys, from $332 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Redmond to Lisbon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Redmond to Lisbon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Redmond to Lisbon Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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