$39 Cheap Flights from Redmond (RDM) to Seattle (SEA)

View $39 flight on Sat, Jan 17, 2026Opens in a new window

Cheap Flights from Redmond to Seattle (RDM-SEA)

Prices were available within the past 7 days and start at $39 for one-way flights and $77 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Nov 26 - Sat, Dec 6
RDM
Redmond
SEA
Seattle
$77 Roundtrip, found 9 hours ago
$77
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Wed, Nov 26 from Redmond to Seattle, returning Sat, Dec 6, priced at $77 found 9 hours ago
Delta
Sat, Nov 29 - Sat, Dec 6
RDM
Redmond
SEA
Seattle
$77 Roundtrip, found 9 hours ago
$77
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Nov 29 from Redmond to Seattle, returning Sat, Dec 6, priced at $77 found 9 hours ago
Alaska Airlines
Tue, Nov 4 - Wed, Nov 5
RDM
Redmond
SEA
Seattle
$78 Roundtrip, found 10 hours ago
$78
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Tue, Nov 4 from Redmond to Seattle, returning Wed, Nov 5, priced at $78 found 10 hours ago
Alaska Airlines
Wed, Nov 26 - Mon, Dec 1
RDM
Redmond
SEA
Seattle
$89 Roundtrip, found 9 hours ago
$89
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Wed, Nov 26 from Redmond to Seattle, returning Mon, Dec 1, priced at $89 found 9 hours ago
Alaska Airlines
Wed, Nov 26 - Wed, Dec 3
RDM
Redmond
SEA
Seattle
$97 Roundtrip, found 8 hours ago
$97
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Wed, Nov 26 from Redmond to Seattle, returning Wed, Dec 3, priced at $97 found 8 hours ago
Alaska Airlines
Fri, Feb 20 - Mon, Mar 2
RDM
Redmond
SEA
Seattle
$98 Roundtrip, found 2 days ago
$98
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Feb 20 from Redmond to Seattle, returning Mon, Mar 2, priced at $98 found 2 days ago
Delta
Fri, Jan 9 - Sat, Jan 17
RDM
Redmond
SEA
Seattle
$99 Roundtrip, just found
$99
Roundtrip
just found
Select Delta flight, departing Fri, Jan 9 from Redmond to Seattle, returning Sat, Jan 17, priced at $99 just found
Alaska Airlines
Sun, Nov 30 - Sat, Dec 6
RDM
Redmond
SEA
Seattle
$107 Roundtrip, found 9 hours ago
$107
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Sun, Nov 30 from Redmond to Seattle, returning Sat, Dec 6, priced at $107 found 9 hours ago
United
Thu, Nov 13 - Sat, Nov 15
RDM
Redmond
SEA
Seattle
$363 Roundtrip, found 13 hours ago
$363
Roundtrip
found 13 hours ago
Select United flight, departing Thu, Nov 13 from Redmond to Seattle, returning Sat, Nov 15, priced at $363 found 13 hours ago
American Airlines
Sat, Aug 29 - Mon, Aug 31
RDM
Redmond
SEA
Seattle
$2,405 Roundtrip, found 2 days ago
$2,405
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 29 from Redmond to Seattle, returning Mon, Aug 31, priced at $2,405 found 2 days ago

Frequently asked questions

How much does a flight from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA) cost?
Get a cheap one-way flight from $39 or cheap return flight from $77 from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from RDM to SEA is November, when demand is low. Off-peak season is usually when airlines offer better prices between these airports.
Which airlines fly direct from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA)?
Fly directly from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA) on an Alaska Airlines flight.
What is the cheapest airline that flies from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA)?
While prices can vary depending on your travel dates, Delta Air Lines and Alaska Airlines are popular options for flights between Robert's Field Airport (RDM) and Seattle - Tacoma Intl. Airport (SEA). You can also compare airlines on Expedia and use the "Sort by" filter to find the cheapest ticket for your RDM to SEA flight.
How many flights per day from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA)?
Each day on average, 6 direct flights operate from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA). Select the departure date that works for you.
What are the most popular departure times for flights from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA)?
More travelers fly between RDM and SEA at 6 AM than at any other time of day. Rather skip the crowds? Try choosing a quieter departure window and it's possible you'll save on your fare as well.
What day of the week has the most flights from RDM to SEA?
If you travel on a Friday, you'll get the widest range of options for flights from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA).
What is the earliest flight from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA)?
Hop on the earliest flight at around 6:00AM UTC-8, departing from Robert's Field Airport (RDM). You'll be flying for approximately 1h 15m, reaching Seattle - Tacoma Intl. Airport (SEA) at approximately 7:15AM UTC-8.
How long does it take to fly from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA)?
Flights from RDM to SEA have an average travel time of 1 hour and 22 minutes. The distance between the two airports is 230 mi.
What airline has the least delays from RDM to SEA?
With 83% of flights generally arriving on schedule, Delta Air Lines has the best on-time performance for direct flights from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA). To monitor your flight status and receive notifications if anything changes, head to the Expedia App.
What is the best time to fly from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid potential delays on the Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from Robert's Field Airport (RDM)?
If you're taking a direct flight from Robert's Field Airport (RDM) to Seattle, Seattle - Tacoma Intl. Airport (SEA) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Holding off until just before your departure to book a flight from RDM to SEA often results in higher prices. While you may come across some last-minute deals, they're not always guaranteed. Be flexible with your itinerary for a better chance of scoring a bargain.
Is it cheaper to book a RDM to SEA flight and hotel package?
You'll generally save money by securing a RDM to SEA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your ideal accommodations and flights, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Robert's Field Airport (RDM) to Seattle - Tacoma Intl. Airport (SEA)?
If you booked your RDM to SEA flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Robert's Field
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$71
Distance
227 mi
Average flight time
1 hour 21 mins

Book with confidence

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 November. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $39 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.

 

Redmond to Seattle Flights

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*Available to One Key members.