$81+ Cheap flights from Raleigh to Seattle (RDU - SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SEA
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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Find cheap flights from Raleigh to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Raleigh-Durham to Seattle/Tacoma Intl are usually found in February or January, booked 65 days in advance, depart on a Thursday or Friday and return on a Saturday
Cheap flight deals from Raleigh to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Raleigh to SeattleExplore the most affordable flight options available from Raleigh to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
Explore the most affordable flight options available from Raleigh to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
This Booking.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:55 pm
RDU
- SEA
1 stop23h 10m
Frontier
Fri 4/247:12 pm
SEA
- RDU
1 stop22h 52m
Frontier
Deal found 3/22![Frontier logo]()
$198
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
RDU
- SEA
Nonstop5h 50m
Delta
Tue 5/124:00 pm
SEA
- RDU
Nonstop5h 07m
Delta
Deal found 3/18![Delta logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
RDU
- SEA
2 stops30h 27m
Frontier
Tue 5/57:50 pm
SEA
- RDU
1 stop12h 41m
Frontier
Deal found 3/19![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:55 pm
RDU
- SEA
1 stop17h 32m
Frontier
Tue 4/217:12 pm
SEA
- RDU
1 stop19h 45m
Frontier
Deal found 3/19![Frontier logo]()
$203
This Frontier deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:49 pm
RDU
- SEA
1 stop14h 38m
Frontier
Wed 5/67:50 pm
SEA
- RDU
1 stop12h 41m
Frontier
Deal found 3/22![Frontier logo]()
$205
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
RDU
- SEA
Nonstop5h 50m
Delta
Sun 4/2611:59 pm
SEA
- RDU
1 stop7h 40m
Delta
Deal found 3/18![Delta logo]()
$209
This Frontier deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:49 pm
RDU
- SEA
1 stop15h 03m
Frontier
Fri 5/87:50 pm
SEA
- RDU
1 stop12h 41m
Frontier
Deal found 3/22![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:27 pm
RDU
- SEA
2 stops20h 22m
Frontier
Tue 5/197:50 pm
SEA
- RDU
1 stop12h 41m
Frontier
Deal found 3/19![Frontier logo]()
$211
This eDestinos deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:49 pm
RDU
- SEA
1 stop20h 16m
Frontier
Sun 4/267:12 pm
SEA
- RDU
1 stop22h 52m
Frontier
Deal found 3/20![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:37 pm
RDU
- SEA
2 stops18h 50m
Frontier
Fri 4/247:12 pm
SEA
- RDU
1 stop22h 52m
Frontier
Deal found 3/18![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:55 pm
RDU
- SEA
1 stop17h 32m
Frontier
Wed 5/137:50 pm
SEA
- RDU
1 stop12h 41m
Frontier
Deal found 3/18![Frontier logo]()
$215
Best flights from Raleigh to SeattleDiscover carefully curated flight deals from Raleigh to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
Discover carefully curated flight deals from Raleigh to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:55 pm
RDU
- SEA
2 stops11h 15m
Southwest
Sat 6/136:30 am
SEA
- RDU
1 stop14h 20m
Southwest
Deal found 3/22![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:00 am
RDU
- SEA
Nonstop5h 50m
Delta
Sat 4/2511:11 pm
SEA
- RDU
1 stop6h 38m
Delta
Deal found 3/18![Delta logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:01 pm
RDU
- SEA
Nonstop5h 57m
Alaska Airlines
Fri 8/289:55 pm
SEA
- RDU
Nonstop5h 07m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:45 pm
RDU
- SEA
1 stop9h 10m
Southwest
Mon 6/811:05 pm
SEA
- RDU
2 stops10h 45m
Southwest
Deal found 3/19![Southwest logo]()
$358
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:59 am
RDU
- SEA
Nonstop6h 00m
Delta
Fri 4/174:01 pm
SEA
- RDU
Nonstop4h 58m
Delta
Deal found 3/19![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:10 am
RDU
- SEA
2 stops10h 45m
Southwest
Sat 7/256:30 am
SEA
- RDU
1 stop14h 20m
Southwest
Deal found 3/22![Southwest logo]()
$378
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:38 am
RDU
- SEA
Nonstop5h 47m
Delta
Tue 8/43:55 pm
SEA
- RDU
Nonstop5h 00m
Delta
Deal found 3/21![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:40 pm
RDU
- SEA
1 stop8h 30m
Southwest
Sun 5/175:15 am
SEA
- RDU
1 stop13h 40m
Southwest
Deal found 3/18![Southwest logo]()
$383
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:05 am
RDU
- SEA
1 stop10h 23m
Delta
Sat 9/52:45 pm
SEA
- RDU
Nonstop5h 09m
Delta
Deal found 3/20![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:25 am
RDU
- SEA
1 stop7h 50m
Southwest
Tue 8/255:20 am
SEA
- RDU
2 stops10h 30m
Southwest
Deal found 3/18![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:45 am
RDU
- SEA
2 stops9h 35m
Southwest
Thu 8/2711:05 pm
SEA
- RDU
2 stops10h 35m
Southwest
Deal found 3/18![Southwest logo]()
$397
Last-minute flights from Raleigh to SeattleDiscover last-minute flight deals from Raleigh to Seattle. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Seattle. Data last updated March 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:55 pm
RDU
- SEA
1 stop17h 32m
Frontier
Tue 4/217:12 pm
SEA
- RDU
1 stop19h 45m
Frontier
Deal found 3/19![Frontier logo]()
$203
This CheapOair deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:49 pm
RDU
- SEA
1 stop20h 16m
Frontier
Mon 4/204:20 pm
SEA
- RDU
1 stop23h 24m
Frontier
Deal found 3/20![Frontier logo]()
$216
This eDestinos deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:49 pm
RDU
- SEA
1 stop20h 16m
Frontier
Sun 4/267:12 pm
SEA
- RDU
1 stop22h 52m
Frontier
Deal found 3/20![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:37 pm
RDU
- SEA
2 stops18h 50m
Frontier
Fri 4/247:12 pm
SEA
- RDU
1 stop22h 52m
Frontier
Deal found 3/18![Frontier logo]()
$214
This Booking.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:55 pm
RDU
- SEA
1 stop23h 10m
Frontier
Fri 4/247:12 pm
SEA
- RDU
1 stop22h 52m
Frontier
Deal found 3/22![Frontier logo]()
$198
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
RDU
- SEA
Nonstop5h 50m
Delta
Mon 4/2711:14 pm
SEA
- RDU
1 stop6h 35m
Delta
Deal found 3/18![Delta logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:55 pm
RDU
- SEA
1 stop17h 32m
Frontier
Wed 5/137:50 pm
SEA
- RDU
1 stop12h 41m
Frontier
Deal found 3/18![Frontier logo]()
$215
This Frontier deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:49 pm
RDU
- SEA
1 stop14h 38m
Frontier
Wed 5/67:50 pm
SEA
- RDU
1 stop12h 41m
Frontier
Deal found 3/22![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
RDU
- SEA
2 stops30h 27m
Frontier
Tue 5/57:50 pm
SEA
- RDU
1 stop12h 41m
Frontier
Deal found 3/19![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:49 pm
RDU
- SEA
1 stop15h 03m
Frontier
Fri 5/87:50 pm
SEA
- RDU
1 stop12h 41m
Frontier
Deal found 3/22![Frontier logo]()
$210
One-way flights from Raleigh to SeattleSearch for one-way flight options from Raleigh to Seattle. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
Search for one-way flight options from Raleigh to Seattle. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This Trip.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:35 pm
RDU
- SEA
1 stop16h 52m
Frontier
Deal found 3/18![Frontier logo]()
$81
This Super.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:49 pm
RDU
- SEA
1 stop14h 38m
Frontier
Deal found 3/21![Frontier logo]()
$85
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:49 pm
RDU
- SEA
1 stop14h 38m
Frontier
Deal found 3/23![Frontier logo]()
$86
This CheapOair deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:55 pm
RDU
- SEA
1 stop17h 32m
Frontier
Deal found 3/23![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:26 pm
RDU
- SEA
1 stop24h 23m
Frontier
Deal found 3/18![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:35 pm
RDU
- SEA
1 stop16h 52m
Frontier
Deal found 3/20![Frontier logo]()
$102
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:40 pm
RDU
- SEA
1 stop8h 30m
Southwest
Deal found 3/22![Southwest logo]()
$105
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:45 pm
RDU
- SEA
1 stop7h 20m
Southwest
Deal found 3/19![Southwest logo]()
$110
Find flight deals from Raleigh to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $198 (Booking.com) |
One-way from | $81 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $311 |
Good round-trip deal | $353 or less |
Good one-way deal | $206 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Raleigh to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 23, 2026.
Use the filters below to find and compare flights from Raleigh to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
RaleighSeattle
RDU - SEA
RDUSEA
Raleigh-Durham
Sat 6/6
4:55 pm-1:10 am
2 stops11h 15m
Seattle/Tacoma Intl
Sat 6/13
6:30 am-11:50 pm
1 stop14h 20m
$295
RaleighSeattle
RDU - SEA
RDUSEA
Raleigh-Durham
Sun 4/19
6:00 am-8:50 am
Nonstop5h 50m
Seattle/Tacoma Intl
Sat 4/25
11:11 pm-8:49 am
1 stop6h 38m
$338
RaleighSeattle
RDU - SEA
RDUSEA
Raleigh-Durham
Wed 8/19
6:01 pm-8:58 pm
Nonstop5h 57m
Seattle/Tacoma Intl
Fri 8/28
9:55 pm-6:02 am
Nonstop5h 07m
$347
RaleighSeattle
RDU - SEA
RDUSEA
Raleigh-Durham
Sun 5/31
7:45 pm-1:55 am
1 stop9h 10m
Seattle/Tacoma Intl
Mon 6/8
11:05 pm-12:50 pm
2 stops10h 45m
$358
RaleighSeattle
RDU - SEA
RDUSEA
Raleigh-Durham
Mon 7/20
6:10 am-1:55 pm
2 stops10h 45m
Seattle/Tacoma Intl
Sat 7/25
6:30 am-11:50 pm
1 stop14h 20m
$378
RaleighSeattle
RDU - SEA
RDUSEA
Raleigh-Durham
Wed 5/13
6:40 pm-12:10 am
1 stop8h 30m
Seattle/Tacoma Intl
Sun 5/17
5:15 am-9:55 pm
1 stop13h 40m
$383
RaleighSeattle
RDU - SEA
RDUSEA
Raleigh-Durham
Fri 8/14
8:25 am-1:15 pm
1 stop7h 50m
Seattle/Tacoma Intl
Tue 8/25
5:20 am-6:50 pm
2 stops10h 30m
$392
RaleighSeattle
RDU - SEA
RDUSEA
Raleigh-Durham
Thu 4/9
6:59 am-9:59 am
Nonstop6h 00m
Seattle/Tacoma Intl
Fri 4/17
4:01 pm-11:59 pm
Nonstop4h 58m
$397
RaleighSeattle
RDU - SEA
RDUSEA
Raleigh-Durham
Wed 8/19
6:45 am-1:20 pm
2 stops9h 35m
Seattle/Tacoma Intl
Thu 8/27
11:05 pm-12:40 pm
2 stops10h 35m
$397
Quickest round-trip
RaleighSeattle
RDU - SEA
RDUSEA
Raleigh-Durham
Wed 7/29
6:38 am-9:25 am
Nonstop5h 47m
Seattle/Tacoma Intl
Tue 8/4
3:55 pm-11:55 pm
Nonstop5h 00m
$407
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Raleigh to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Seattle in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Raleigh-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Raleigh-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Raleigh-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Raleigh to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Raleigh with our price prediction graph.
RDU-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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Everything you need to know about your flight from Raleigh to Seattle
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How far ahead should I book a flight from Raleigh to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Seattle. Price data was last updated on March 13, 2026.
Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Raleigh to Seattle?
Currently, February is the cheapest month in which you can book a flight from Raleigh to Seattle (average of $125). Flying from Raleigh to Seattle in June is currently the most expensive (average of $250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from RDU to SEA?
Find hourly flight availability from Raleigh to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 23, 2026.
When flying from Raleigh to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What’s the top layover airport for flights from Raleigh to Seattle?
Share of 1-stop round-trip flights from Raleigh to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 50% of 1-stop itineraries from Raleigh to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Raleigh to Seattle?
Average round-trip fare for 1-stop flights from Raleigh to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $236.
What’s the fastest layover option from Raleigh to Seattle?
Shortest average travel time for 1-stop one-way flights from Raleigh to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (MDW) have the shortest average one-way travel time for 1-stop routes: 8h 25m.
Which airport typically offers the quickest layover for flights from Raleigh to Seattle?
Average layover duration for 1-stop one-way flights from Raleigh to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 20m.
The best insider tips for Raleigh to Seattle flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to Seattle trip
Our travel experts
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated March 23, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Raleigh to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Related info for your journey
Find useful and relevant information for your journey from Raleigh to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Ellensburg
Tukwila
Fife
Lakewood
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
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Raleigh and Seattle flights
Browse other Raleigh and Seattle flight options. Last updated on March 23, 2026.
Other flights from Raleigh
Browse through other flights departing from Raleigh. Flights are based on user searches made on Cheapflights and were last updated on March 23, 2026.
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Top 8 airlines flying from Raleigh to Seattle
Discover the top 8 airlines that operate flights from Raleigh to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$269 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$344 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$144 | Average$275 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$166 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$203 | Average$413 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$214 | Average$377 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$236 | Average$366 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$355 | FlexibilityNo cancel fee | On-time71% |