RDU - SEA

$126 Find Cheap Flights from Raleigh to Seattle - Compare and Save

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Everything you should know

Cheapest round-trip
$309
Typical prices: $348-$589
Frontier
Tue 12/4Fri 12/7
RDU - SEA • 2 stops
Cheapest non-stop
$337
Typical prices: $345-$597
Alaska Airlines
Mon 12/10Thu 12/13
RDU - SEA • Non-stop
Nonstop flights
You can fly direct with Alaska Airlines and Delta. Average duration is 6h 08m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 46% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $280 (round-trip)
Shortest trip • 6h 49m (one-way)
Insights
Insights
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We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Raleigh to Seattle (RDU-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Raleigh to Seattle

Fri, Dec 4 - Mon, Dec 7
Frontier Logo
11:54 am - 3:43 pmRDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
30h 49m2 stops Tampa Denver Intl
Frontier Logo
4:58 pm - 11:59 pmSEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
28h 01m2 stops Denver Intl Atlanta Hartsfield-Jackson
$309Frontier
Fri, Dec 11 - Wed, Dec 16
Frontier Logo
5:01 pm - 3:43 pmRDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
25h 42m1 stop Denver Intl
Frontier Logo
4:58 pm - 3:04 pmSEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
19h 06m2 stops Denver Intl Orlando
$312Frontier
Thu, Dec 10 - Sun, Dec 13
Alaska Airlines Logo
6:33 pm - 9:47 pmRDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
6h 14mnonstop
Alaska Airlines Logo
8:05 am - 4:07 pmSEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
5h 02mnonstop
$337Alaska Airlines
Tue, Dec 8 - Tue, Dec 15
Alaska Airlines Logo
6:33 pm - 9:47 pmRDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
6h 14mnonstop
Alaska Airlines Logo
8:05 am - 4:07 pmSEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
5h 02mnonstop
$337Alaska Airlines
Wed, Dec 2 - Sat, Dec 5
Delta Logo
6:45 am - 10:01 amRDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
6h 16mnonstop
Delta Logo
3:59 pm - 11:49 pmSEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
4h 50mnonstop
$337Delta
Wed, Dec 2 - Tue, Dec 8
Delta Logo
6:45 am - 10:01 amRDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
6h 16mnonstop
Delta Logo
3:59 pm - 11:49 pmSEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
4h 50mnonstop
$337Delta
Tue, Dec 15 - Wed, Dec 16
United Airlines Logo
4:55 pm - 10:51 pmRDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
8h 56m1 stop Houston George Bush Intcntl
United Airlines Logo
7:30 pm - 6:53 amSEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
8h 23m1 stop San Francisco
$344United Airlines
Wed, Nov 25 - Thu, Nov 26
United Airlines Logo
4:40 pm - 11:18 pmRDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
9h 38m1 stop San Francisco
United Airlines Logo
7:00 am - 5:41 pmSEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
7h 41m1 stop Chicago O'Hare Intl
$344United Airlines
Thu, Dec 3 - Sun, Dec 6
Southwest Logo
6:50 pm - 11:35 pmRDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
7h 45m1 stop Chicago Midway
Southwest Logo
12:15 am - 11:05 amSEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
7h 50m1 stop Chicago Midway
$349Southwest
Thu, Dec 3 - Wed, Dec 9
Southwest Logo
6:50 pm - 11:35 pmRDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
7h 45m1 stop Chicago Midway
Southwest Logo
6:30 am - 4:05 pmSEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
6h 35m1 stop Chicago Midway
$349Southwest
Booking Insights

Price, demand and travel trends for Raleigh to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Raleigh to Seattle?

Round-trip flights from Raleigh to Seattle typically range from $348 to $589. The lowest price found in the past 5 days was $309, on Frontier.

What's the cheapest day of the week to fly from Raleigh to Seattle?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Raleigh to Seattle. It’s 5% cheaper than the average day, while Sunday is the most expensive, with prices 16% higher.

What’s the cheapest month to fly from Raleigh to Seattle?

•February is the cheapest month to fly from Raleigh to Seattle at $247 round-trip.
•July ($569) and June ($528) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 130% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Raleigh to Seattle the cheapest?

Flights from Raleigh to Seattle are cheapest 10 weeks before departure. Booking in this window typically costs about 48% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Raleigh to Seattle

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Jessica Macdonald

Jessica Macdonald

Expert on RDU

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Key details for Raleigh to Seattle flights

Low season

February

Cheapest flight

$126
Beat the crowds with an average 42% drop in travelers.
The most popular month to fly with an average 66% increase in travelers.
One-way flight from Raleigh to Seattle

When to book flights from Raleigh to Seattle

Are your dates flexible? Find out the best times to travel from Raleigh to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Raleigh to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Raleigh to Seattle?

    These are the earliest and latest flight times available from Raleigh to Seattle:

    • Earliest: departs at 6:20 am and lands at 12:28 pm
    • Latest: departs at 6:52 pm and lands at 1:00 am.

    The flight takes about 6h 08m.

  • What cabin classes can I book on flights from Raleigh to Seattle?

    Two cabin classes are available on flights from Raleigh to Seattle:

    • Economy Class
    • First Class

  • How long is a flight from Raleigh to Seattle?

    A nonstop flight from Raleigh to Seattle takes 6h 08m, covering 2,347 miles.

  • Do I need a passport to fly from Raleigh to Seattle?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Raleigh to Seattle flight?

    Round-trip flights from Raleigh to Seattle range from $348 to $589, with an average of $460 over the past 12 months. Anything below $348 counts as a good deal.

  • How expensive are last-minute Raleigh to Seattle flights?

    Last-minute fares on this route (booked within two weeks of departure) run 61% above the $460 route average. Book 10 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Raleigh to Seattle?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $280 round-trip via New York John F Kennedy Intl (JFK), compared to $459 for nonstop.

  • What is the standard checked-bag allowance on flights from Raleigh to Seattle?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Raleigh to Seattle?

    The Boeing 737-900 family is used most often on this route, operated mainly by Delta. Other aircraft seen on the route include Boeing 737-800 variants.

  • How are flight departures from Raleigh to Seattle spread across the day?

    Morning is the busiest departure period on Raleigh to Seattle flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

  • Have flight prices from Raleigh to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $309 to $1,842. That means the highest observed fare was about 6x higher than the lowest one.

  • Which airlines offer Wi-Fi on Raleigh to Seattle flights?

    Two airlines offer in-flight Wi-Fi on Raleigh to Seattle flights:

    • Delta
    • Alaska Airlines

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

  • How are flight prices from Raleigh to Seattle looking right now?

    One-way fares from Raleigh to Seattle are currently lower than usual. Average one-way flight prices are about $169, which is 40% below the typical average for this route.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates averaging $61 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

  • Which airports can I use when flying from Raleigh to Seattle?

    Flights from Raleigh to Seattle usually depart from Raleigh-Durham (RDU) and arrive at Seattle/Tacoma Intl (SEA).

  • Which airports do connecting flights from Raleigh to Seattle pass through?

    One-stop flights from Raleigh to Seattle most commonly connect through:

    • Charlotte Douglas (CLT) - 20% of one-stop connections
    • Denver Intl (DEN) - 19% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 17% of one-stop connections
    • Chicago Midway (MDW) - 14% of one-stop connections

  • Can I save money by using flexible dates for flights from Raleigh to Seattle?

    Yes. Flexible dates can save you up to 19% on flights from Raleigh to Seattle. Tuesday is the cheapest departure day at $437 round-trip on average, while Sunday is the most expensive at $537, a difference of $100.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Raleigh to Seattle?

    2 airlines operate flights between Raleigh and Seattle. The airlines offering nonstop flights on this route include:

    • Alaska Airlines
    • Delta

  • How much time can I save by choosing a different layover airport from Raleigh to Seattle?

    Flying via Lambert-St Louis (STL) gives the shortest average 1-stop total travel time at 6h 49m, compared with 7h 44m via Charlotte Douglas (CLT) and 7h 47m via Washington, D.C. Dulles Intl (IAD).

  • What is the time difference between Raleigh and Seattle?

    Seattle is 3 hours behind Raleigh (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Raleigh to Seattle flights?

    Among airlines operating Raleigh to Seattle flights:

    • Delta: offers extra legroom; offers free seat selection
    • Alaska Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Raleigh to Seattle flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Delta: a cabin bag and a checked bag in Economy Class
    • Alaska Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • Are there lounges at SEA?

    Seattle-Tacoma International Airport (SEA) has multiple lounges run by various carriers, including the United Club and The American Express Centurion Lounge. If you’re flying aboard Alaska Airlines, keep in mind that the airline has three lounges at Concourse C, close to Gate C16A, Concourse D, adjacent to Gate D1, and the North Satellite Terminal, near Gate N2.

  • Which is the best way to get to downtown Seattle from SEA?

    The distance between SEA and the city center of Seattle is about 13.8 miles, and a light rail will get you there in around 40min. Still, an airport shuttle commutes between the two destinations, covering the distance in about 1h. However, a taxi is quicker with a travel time of about 25min.

  • Are there hotels near Seattle-Tacoma International Airport (SEA)?

    If you’ll be arriving late, consider spending a night in one of the many hotel facilities adjacent to the Seattle-Tacoma International Airport (SEA). It saves you the late-night rush of connecting to your next destination. Red Lion Hotel Seattle Airport Sea-Tac and Days Inn by Wyndham Seatac Airport are some hotels near this establishment.

  • Are there ATMs at Seattle-Tacoma International Airport (SEA)?

    If you’ve just landed at SEA from RDU and want to recharge your wallet, locate the ATMs at the Main Terminal, on Concourse A, in the Baggage Claim, at Ticketing Level's south end, and in the South Satellite.

Your guide to booking Raleigh to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $437, about $100 less than Sunday fares (19% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 48% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Raleigh to Seattle trip for February. Fares historically average $247 round-trip in that month - typically $322 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through New York John F Kennedy Intl Airport (JFK) can be cheaper than flying direct. The cheapest layover option averages $280 round-trip on this route - about $179 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
  • Travelers planning to fly aboard Delta Airlines flights from Raleigh-Durham International Airport (RDU) to Seattle should remember that the airline’s hub is at Seattle-Tacoma International Airport (SEA). Those flying with this airline will arrive at Concourse A. Delta Sky Club sits at Concourse A near gate 1. You’ll receive priority clearance and access upon arrival at SEA. Still, economy class travelers can access the lounge if they’re willing to pay for the day’s pass.
  • Raleigh-Durham International Airport (RDU) is the main airport in Raleigh, Durham. The facility features two terminals: Terminal 1 and Terminal 2. Passengers can move between the two terminals via a walkway through the central parking garage.
  • Suppose you have an early morning departure. Plan and spend a night in a hotel within easy reach of Raleigh-Durham International Airport (RDU). Typically, these hotels provide a courtesy shuttle to ferry you to the terminal ahead of your flight from Raleigh to Seattle. Fairfield Inn By Marriott Raleigh Airport/Rtp and Embassy Suites Raleigh - Durham Airport/ Brier Creek are two recommended hotels near this area.
  • Raleigh-Durham International Airport (RDU) offers numerous accessible amenities for the whole family, including clean restrooms. Those traveling through RDU with their kids will be happy to know that the facility provides designated rooms at the disposal of lactating and nursing moms. Referred to as the Mamava Suites, you can locate them near Gate A6 in Terminal 1, and adjacent to Gate C8 in Terminal 2.
  • Raleigh-Durham International Airport (RDU) caters to the needs of every traveler, including those with disabilities and mobility limitations. Parking facilities located at all parking garage levels have universally-accessible handicapped parking spaces. As you reserve your flight, request wheelchair assistance. You’ll get a skycap on the terminal curbside to help you access it.

Prefer to fly direct from Raleigh to Seattle?

 
Find which airlines fly direct from Raleigh-Durham Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Raleigh-Durham to Seattle/Tacoma Intl

Monday

Alaska Airlines,Delta

Alaska Airlines,Delta

Tuesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Wednesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Thursday

Alaska Airlines,Delta

Alaska Airlines,Delta

Friday

Alaska Airlines,Delta

Alaska Airlines,Delta

Saturday

Alaska Airlines,Delta

Alaska Airlines,Delta

Sunday

Alaska Airlines,Delta

Alaska Airlines,Delta

See more direct flights

Direct returns

Seattle/Tacoma Intl to Raleigh-Durham

Monday

Alaska Airlines,Delta

Alaska Airlines,Delta

Tuesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Wednesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Thursday

Alaska Airlines,Delta

Alaska Airlines,Delta

Friday

Alaska Airlines,Delta

Alaska Airlines,Delta

Saturday

Alaska Airlines,Delta

Alaska Airlines,Delta

Sunday

Alaska Airlines,Delta

Alaska Airlines,Delta

See more direct flights

More options for your flight from Raleigh to Seattle

Complete your trip to Seattle with a hotel stay or car rental