An Alaska Airlines plane taking off with a snow-capped mountain in the background.

$119 Cheap Flights from Redmond (RDM) to Seattle (SEA)

Photo by Port of Seattle
Open Photo by Port of Seattle

Cheap Flights from Redmond to Seattle (RDM-SEA)

Prices were available within the past 7 days and start at $119 for one-way flights and $215 for roundtrip, for the period specified. Prices and availability are subject to change.

Book with confidence

Redmond (RDM) to Seattle (SEA) at a glance

Travel from Redmond (RDM) to Seattle (SEA) with a range of airlines on this domestic short-haul route. Discover options for cheap flights from Redmond to Seattle and compare various full-service carriers to find the itinerary that suits your budget and schedule. As you plan your visit, check out the key details for flights from Robert's Field Airport to Seattle-Tacoma International Airport, ensuring you can explore the city's renowned attractions and vibrant neighborhoods.

  • Fastest flight duration: around 1h 15m non-stop
  • Route distance: roughly 250 miles (400 km)
  • Flights per week: around 15+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $50–$285, depending on seasonality and how far ahead you book

Flights from Robert's Field Airport (RDM) to Seattle - Tacoma International Airport (SEA)

Based on the latest traveler bookings, here are the top airlines favored for non-stop flights from Redmond to Seattle. These options allow you to customize your journey by balancing price, total travel time, and cabin class to create the ideal itinerary for your trip.

  • Alaska Airlines: This full-service airline provides non-stop flights, with one-way ticket prices generally falling between $60 and $285. It represents about 60% of the departures for this route, with a flight duration of 1 hour and 15 minutes.
  • Delta: Another full-service option, Delta offers non-stop service with one-way fares typically ranging from $50 to $285. It accounts for roughly 39% of the flights on this route, maintaining a travel time of 1 hour and 15 minutes.
  • Hawaiian Airlines: Operating as a full-service carrier, Hawaiian Airlines provides non-stop flights with one-way fares usually between $70 and $190. It makes up about 1% of the departures on this route, also taking 1 hour and 15 minutes to complete the journey.

Travelers flying from Redmond to Seattle have the option to enhance their journey with upgraded service. Delta provides first class and premium economy class, while Alaska Airlines features first class and business class options.

Best time to fly from Redmond (RDM) to Seattle (SEA)

The most popular months for travelers flying from Redmond to Seattle are January, February, and March, when peak temperatures in Seattle reach up to 43.9°F in March. If you prefer quieter travel, consider November, the least busy time to visit with temperatures around 44.2°F and typically the lowest average one-way fare (around $122). Flight availability peaks in July, with approximately 20 flights per week, making it easier to find convenient departure times. April has the fewest flights, with approximately 13 flights per week.

  • Cheapest time to fly: November usually offers good deals with average one-way fare around $122, roughly 17% cheaper than the yearly average.
  • Another budget-friendly time to fly: January typically offers an average one-way fare of around $130.
  • Most flight options: July has the highest number of flights from Redmond to Seattle, with approximately 20 flights per week, giving you more flexibility in scheduling your trip.
MonthTemperatureDemandWeekly FlightsAverage one-way Fare
January40.3°F (4.6°C)Slightly High14$130
February40.5°F (4.7°C)Slightly High15$135
March43.9°F (6.6°C)Slightly High14$151
April48.6°F (9.2°C)Average13$141
May55.8°F (13.2°C)Slightly Low16$154
June61.0°F (16.1°C)Average16$169
July67.1°F (19.5°C)Average20$172
August67.5°F (19.7°C)Slightly Low15$162
September61.3°F (16.3°C)Average19$151
October52.7°F (11.5°C)Average17$136
November44.2°F (6.8°C)Slightly Low16$122
December39.2°F (4.0°C)Average17$140

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Redmond (RDM) to Seattle (SEA)

  • Redmond to Seattle (RDM-BFI): Boeing Field Airport (BFI) lies approximately 6 miles from Seattle - Tacoma International Airport (SEA), making it a convenient choice for travelers heading to the city.
  • Redmond to Seattle (RDM-LKE): Lake Union Seaplane Base Airport (LKE) is located about 13 miles away from Seattle - Tacoma International Airport (SEA), providing a scenic route for those flying in.
  • Redmond to Tacoma (RDM-TIW): Tacoma Narrows Airport (TIW) is roughly 18 miles from Seattle - Tacoma International Airport (SEA), offering easy access for passengers heading to the Tacoma area.

How to find the best prices for flights from Redmond (RDM) to Seattle (SEA)

Getting some of the best deals on flights from Redmond to Seattle 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 found when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Evening departures from 6 PM to 12 AM tend to be less expensive, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Fridays offers both lower prices and high demand.
  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.*
  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 Seattle - Tacoma International Airport from Robert's Field Airport

Seattle welcomes travelers from Redmond with a range of transport options based on price, convenience, and proximity. Seattle city center is approximately a 20-minute drive (covering about 14 miles) from Seattle - Tacoma International Airport, depending on traffic. Here's how to reach Seattle efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Seattle, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Seattle - Tacoma International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Seattle - Tacoma International 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 Seattle - Tacoma International Airport, SeaTac/Airport Station, a metro station, is located about 0.3 miles away on foot, while Tukwila Station, a train station, is situated around 4.3 miles from the airport and is typically reached by car.

Redmond to Seattle Flights

The cheapest times to fly from Redmond to Seattle

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 Seattle are during the month of December. You can find some of the cheapest flights from Redmond to Seattle with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Redmond to Seattle

Sunday is one of the best days to book for cheap flights from Redmond to Seattle: 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 Seattle

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 Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from $119 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 Seattle 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 Seattle 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.

Frequently Asked Questions

How much does a flight from Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?

You can find cheap one-way flights from $119 and cheap return flights $215 Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights usually range from $79 to $1157, and return flights typically cost between $172 and $907. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) 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 Seattle, WA (SEA-Seattle - Tacoma Intl.)?

The cheapest month to fly from RDM to SEA is December 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 Seattle, WA (SEA-Seattle - Tacoma Intl.)?

3 airlines operate nonstop service from RDM to SEA:

  • Delta operates around 21 direct flights from RDM to SEA every week
  • Hawaiian Airlines operates around 14 direct flights from RDM to SEA every week
  • British Airways operates around 7 direct flights from RDM to SEA every week

What is the cheapest airline that flies from Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Delta is one of the cheapest airlines offering nonstop flights from Robert's Field (RDM) to Seattle - Tacoma Intl. (SEA), with round-trip tickets starting from around $294. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.)?

To find a cheap flight from Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.), 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 airline to fly with from Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

The best airline to fly with from Redmond, OR (RDM) to Seattle, WA (SEA) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Delta typically offers the lowest fares. Alaska Airlines also offers the most daily flights from RDM to SEA, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

What is the best time to fly from Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

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.

How many flights per day from Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

You can find approximately 3 nonstop flights per day from Robert's Field (RDM) to Seattle - Tacoma Intl. (SEA). For more options, look at flights that include layovers.

What is the earliest flight from Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

The earliest flight from Robert's Field (RDM) to Seattle-Tacoma International Airport (SEA) typically departs at around 5:00 AM. Operated by American Airlines, this seasonal service is perfect for those wanting to get an early start on their trip to the Pacific Northwest. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.)?

The most popular departure times for flights from Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are from 12pm to 3pm. About 24% of passengers prefer this time window. Many major carriers, including Alaska Airlines, United Airlines, and American Airlines, offer flights during this window. This timing works well because it allows you to travel after a leisurely morning.

How long does it take to fly from Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

Flying nonstop from RDM to SEA takes around 1 hour 30 minutes, with the route covering approximately 227 miles. Flights with a layover typically take 5 hours 30 minutes longer than direct options. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.)?

First class seats are offered on the RDM to SEA route. First class cabins are available on:

  • United Airlines
  • Delta Air Lines
  • American Airlines

How much is a business class flight from Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?

A direct, return business class ticket from Redmond, OR (RDM) to Seattle, WA (SEA) typically costs between $486 - $940. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.) if you opt for a connecting flight.

*Prices based on flights available on Expedia in the last year.

How do I earn miles on a Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?

It's easy to earn miles on a Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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 Seattle from Robert's Field (RDM)?

If you're planning to travel to Seattle from Robert's Field (RDM), you can fly into Seattle - Tacoma Intl. (SEA) Some flights may connect through major hubs like Los Angeles Intl. (LAX), Denver Intl. (DEN), San Francisco Intl. (SFO) before reaching Seattle. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?

Typically, booking a last minute flight from Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?

Securing a Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle 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 Seattle, WA (SEA-Seattle - Tacoma Intl.)?

If you booked your Redmond, OR (RDM-Robert's Field) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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
Redmond Municipal Airport
Destination airport
Seattle-Tacoma International Airport
Distance
227 miles away
Airlines serving
Alaska Airlines, Delta, United, American Airlines
Popular airline
Alaska Airlines
Roundtrip price
$215
Average flight time
1 hour 21 mins
*Available to One Key members.