RDU - SEA

C$ 220 Find Cheap Flights from Raleigh to Seattle – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 471
Typical prices: C$ 506-C$ 833
Alaska Airlines
Wed 5/12Sat 8/12
RDU - SEA • Direct
Cheapest one-way flights
C$ 220
Typical prices: C$ 291-C$ 540
Frontier
Mon 8/1
RDU - SEA • 1 stop
Direct flights
You can fly direct with Alaska Airlines and Delta. Average duration is 6h 09m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travellers who book at least 10 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 48% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 392 (round-trip)
Shortest trip • 6h 49m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
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

Sat, 5 Dec - Tue, 8 Dec
Alaska Airlines Logo
6:33 p.m. - 9:47 p.m.RDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
6h 14mdirect
Alaska Airlines Logo
8:05 a.m. - 4:07 p.m.SEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
5h 02mdirect
C$ 471Alaska Airlines
Thu, 3 Dec - Mon, 7 Dec
Delta Logo
6:45 a.m. - 10:01 a.m.RDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
6h 16mdirect
Delta Logo
5:45 p.m. - 2:43 p.m.SEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
17h 58m1 stop Austin Bergstrom
C$ 475Delta
Thu, 7 Jan - Thu, 28 Jan
Delta Logo
7:05 a.m. - 5:02 p.m.RDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
12h 57m1 stop Austin Bergstrom
Delta Logo
9:15 a.m. - 11:23 p.m.SEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
11h 08m1 stop Austin Bergstrom
C$ 480Delta
Wed, 2 Dec - Sun, 6 Dec
Delta Logo
6:45 a.m. - 10:01 a.m.RDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
6h 16mdirect
Delta Logo
11:50 a.m. - 12:24 a.m.SEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
9h 34m1 stop Atlanta Hartsfield-Jackson
C$ 485Delta
Sat, 9 Jan - Wed, 27 Jan
Delta Logo
7:00 a.m. - 5:02 p.m.RDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
13h 02m1 stop Austin Bergstrom
Delta Logo
3:55 p.m. - 11:52 p.m.SEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
4h 57mdirect
C$ 489Delta
Thu, 3 Dec - Thu, 10 Dec
United Airlines Logo
4:55 p.m. - 10:51 p.m.RDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
8h 56m1 stop Houston George Bush Intcntl
United Airlines Logo
7:00 a.m. - 5:39 p.m.SEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
7h 39m1 stop Chicago O'Hare Intl
C$ 492United Airlines
Wed, 2 Dec - Sun, 6 Dec
Delta Logo
7:17 p.m. - 11:53 p.m.RDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
7h 36m1 stop Minneapolis St Paul
Delta Logo
11:15 p.m. - 8:51 a.m.SEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
6h 36m1 stop Detroit Metropolitan Wayne County
C$ 499Delta
Fri, 4 Dec - Sun, 6 Dec
United Airlines Logo
4:55 p.m. - 10:51 p.m.RDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
8h 56m1 stop Houston George Bush Intcntl
United Airlines Logo
5:05 a.m. - 5:39 p.m.SEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
9h 34m2 stops Denver Intl Chicago O'Hare Intl
C$ 501United Airlines
Sat, 5 Dec - Wed, 16 Dec
United Airlines Logo
1:00 p.m. - 9:21 p.m.RDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
11h 21m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
5:05 a.m. - 3:13 p.m.SEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
7h 08m1 stop Denver Intl
C$ 506United Airlines
Wed, 6 Jan - Wed, 27 Jan
Alaska Airlines Logo
6:47 p.m. - 9:55 p.m.RDU  Raleigh-Durham-SEA Seattle/Tacoma Intl
6h 08mdirect
Alaska Airlines Logo
6:36 a.m. - 5:44 p.m.SEA  Seattle/Tacoma Intl-RDU Raleigh-Durham
8h 08m1 stop San Diego
C$ 513Alaska Airlines
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 C$ 506 to C$ 833. The lowest price found in the past 5 days was C$ 471, on Alaska Airlines.

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 4% cheaper than the average day, while Sunday is the most expensive, with prices 15% higher.

What is the cheapest month to fly from Raleigh to Seattle?

•February is the cheapest month to fly from Raleigh to Seattle at C$ 343 round-trip.
•July (C$ 799) and June (C$ 736) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 133% 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.

Key details for Raleigh to Seattle flights

Low season

February

Cheapest flight

C$ 220
Beat the crowds with an average 41% drop in traveller numbers.
The most popular month to fly with an average 72% increase in traveller numbers.
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 6:10 am and lands at 12:19 pm
    • Latest: departs at 6:52 pm and lands at 1:01 am.

    The flight takes about 6h 09m.

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

    Only Economy Class is available on flights from Raleigh to Seattle.

  • How long does a flight from Raleigh to Seattle take?

    A direct flight from Raleigh to Seattle takes 6h 09m, covering 6,080 km.

  • 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 another form of identification, such as a driver's licence.

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

    Round-trip flights from Raleigh to Seattle range from C$ 506 to C$ 833, with an average of C$ 659 over the past 12 months. Anything below C$ 506 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 57% above the C$ 659 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 direct options on average. Layover fares average C$ 392 round-trip via New York John F Kennedy Intl (JFK), compared to C$ 658 for direct.

  • 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 C$ 49–C$ 126 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% 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 C$ 471 to C$ 2,142. That means the highest observed fare was about 5x 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 C$ 257, which is 35% 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 C$ 85 for economy cars. Top options include:

    • Europcar
    • Fox
    • Thrifty
    • Budget
    • Dollar

  • 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 17% on flights from Raleigh to Seattle. Tuesday is the cheapest departure day at C$ 634 round-trip on average, while Sunday is the most expensive at C$ 762, a difference of C$ 129.

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

  • Which airlines fly from Raleigh to Seattle?

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

    • Alaska Airlines
    • Delta

  • How much time can I save by choosing a different layover airport when travelling 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.

  • Which popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Lumen Field, T-Mobile Park, and Climate Pledge Arena. 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 carry-on bag and a checked bag in Economy Class
    • Alaska Airlines: a carry-on bag and a checked bag in Economy Class

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

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 C$ 634, about C$ 129 less than Sunday fares (17% 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 C$ 343 round-trip in that month – typically C$ 456 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 C$ 392 round-trip on this route – about C$ 266 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

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 nonstop 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 nonstop flights

More options for your flight from Raleigh to Seattle

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