$310 Cheap Flights from Rapid City (RAP) to Lisbon (LIS)

View $310 flight on Sun, Dec 27, 2026Opens in a new window

Popular airlines from Rapid City Regional Airport (RAP) to Humberto Delgado Airport (LIS)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Rapid City to Lisbon (RAP-LIS)

Prices were available within the past 7 days and start at $310 for one-way flights and $784 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Sat, May 2 - Sat, May 9
RAP
Rapid City
LIS
Lisbon
$784 Roundtrip, found 7 hours ago
$784
Roundtrip
found 7 hours ago
Select Air France flight, departing Sat, May 2 from Rapid City to Lisbon, returning Sat, May 9, priced at $784 found 7 hours ago
Delta
Sat, May 2 - Sat, May 9
RAP
Rapid City
LIS
Lisbon
$961 Roundtrip, found 7 hours ago
$961
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, May 2 from Rapid City to Lisbon, returning Sat, May 9, priced at $961 found 7 hours ago
Delta
Sat, May 2 - Sat, May 9
RAP
Rapid City
LIS
Lisbon
$978 Roundtrip, found 7 hours ago
$978
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, May 2 from Rapid City to Lisbon, returning Sat, May 9, priced at $978 found 7 hours ago
Air France
Sat, May 2 - Sat, May 9
RAP
Rapid City
LIS
Lisbon
$989 Roundtrip, found 7 hours ago
$989
Roundtrip
found 7 hours ago
Select Air France flight, departing Sat, May 2 from Rapid City to Lisbon, returning Sat, May 9, priced at $989 found 7 hours ago
United
Sat, May 2 - Sat, May 9
RAP
Rapid City
LIS
Lisbon
$1,009 Roundtrip, found 7 hours ago
$1,009
Roundtrip
found 7 hours ago
Select United flight, departing Sat, May 2 from Rapid City to Lisbon, returning Sat, May 9, priced at $1,009 found 7 hours ago
United
Sat, May 2 - Sat, May 9
RAP
Rapid City
LIS
Lisbon
$1,011 Roundtrip, found 7 hours ago
$1,011
Roundtrip
found 7 hours ago
Select United flight, departing Sat, May 2 from Rapid City to Lisbon, returning Sat, May 9, priced at $1,011 found 7 hours ago
United
Sat, May 2 - Sat, May 9
RAP
Rapid City
LIS
Lisbon
$1,021 Roundtrip, found 7 hours ago
$1,021
Roundtrip
found 7 hours ago
Select United flight, departing Sat, May 2 from Rapid City to Lisbon, returning Sat, May 9, priced at $1,021 found 7 hours ago
Delta
Sat, May 2 - Sat, May 9
RAP
Rapid City
LIS
Lisbon
$1,036 Roundtrip, found 7 hours ago
$1,036
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, May 2 from Rapid City to Lisbon, returning Sat, May 9, priced at $1,036 found 7 hours ago
KLM
Sat, May 2 - Sat, May 9
RAP
Rapid City
LIS
Lisbon
$1,085 Roundtrip, found 7 hours ago
$1,085
Roundtrip
found 7 hours ago
Select KLM flight, departing Sat, May 2 from Rapid City to Lisbon, returning Sat, May 9, priced at $1,085 found 7 hours ago
Virgin Atlantic
Sat, May 2 - Sat, May 9
RAP
Rapid City
LIS
Lisbon
$1,191 Roundtrip, found 7 hours ago
$1,191
Roundtrip
found 7 hours ago
Select Virgin Atlantic flight, departing Sat, May 2 from Rapid City to Lisbon, returning Sat, May 9, priced at $1,191 found 7 hours ago

Frequently asked questions

How much does a flight from Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado) cost?
You can find cheap one-way flights from $310 and cheap return flights from $784 Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado) with Expedia. Roundtrip flights usually range from $1019 to $4514. 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 Rapid City, SD (RAP-Rapid City Regional) 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 Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado)?
The cheapest month to fly from RAP to LIS is May 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 Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado)?
Enter RAP to LIS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado)?
Virgin Atlantic is one of the cheapest airlines offering connecting flights from Rapid City Regional (RAP) to Humberto Delgado (LIS), with round-trip tickets starting from around $2,223 with a layover in Minneapolis - St. Paul Intl. (MSP). 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 Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado)?
To find a cheap flight from Rapid City, SD (RAP-Rapid City Regional) 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 Rapid City, SD (RAP-Rapid City Regional) 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 Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado)?
The earliest flight from Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado) usually departs at around 5:30 AM local time, operated by United. This seasonal service is active in August, giving you an early start to explore the vibrant city of Lisbon. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado)?
You'll usually find the most flights from Rapid City Regional (RAP) to Humberto Delgado (LIS) on a Saturday, with around 16 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta, United, and American Airlines.
What are the most popular departure times for flights from Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado)?
The most popular departure times for flights from Rapid City (RAP) to Lisbon (LIS) are in the early morning, from 6am to 9am. About 36% of passengers prefer this time window. Many major carriers, including United Airlines, Delta Air Lines and Delta Air Lines, offer flights during this window. This timing is favored as it allows travelers to arrive in Lisbon with a full day ahead to explore.
How long does it take to fly from Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado)?
Flights from RAP to LIS with one stop typically take around 12 hours 30 minutes, covering approximately 4,603 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 Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado)?
Select the "Business class" and "First class" filters when looking for RAP 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 Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado) flight with Expedia?
It's easy to earn miles on a Rapid City, SD (RAP-Rapid City Regional) 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 Rapid City Regional (RAP)?
If you're planning to travel to Lisbon from Rapid City Regional (RAP), you can fly into Humberto Delgado (LIS) Some flights may connect through major hubs like Denver Intl. (DEN), Minneapolis - St. Paul Intl. (MSP), Dallas-Fort Worth Intl. (DFW) 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 Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado) at the last minute?
Typically, booking a last minute flight from Rapid City, SD (RAP-Rapid City Regional) 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 Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado) flight and hotel package?
Securing a Rapid City, SD (RAP-Rapid City Regional) 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 Rapid City, SD (RAP-Rapid City Regional) to Lisbon (LIS-Humberto Delgado)?
If you booked your Rapid City, SD (RAP-Rapid City Regional) 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
Rapid City Regional
Destination airport
Humberto Delgado
Airlines serving
Air France, American Airlines, Delta, KLM, United, Virgin Atlantic
Roundtrip price
$783
Distance
4602 mi

Book with confidence

Rapid City to Lisbon Flights

The cheapest times to fly from Rapid City 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 Rapid City to Lisbon are during the month of May. You can find some of the cheapest flights from Rapid City to Lisbon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rapid City to Lisbon

Sunday is one of the best days to book for cheap flights from Rapid City 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 Rapid City 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 Rapid City to Lisbon in 2026. You can also book with separate airlines for your outbound and return journeys, from $310 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 Rapid City 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 Rapid City 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.

 

Rapid City to Lisbon Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.