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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
15 Oct — 22 Oct1
Return
1 adult
Economy
Return
1 adult, Economy
Cheapflights Tip: The best prices from Sheffield to Seattle/Tacoma Intl are usually found in March or January, booked 67 days in advance, depart on a Wednesday or Monday and return on a Wednesday
Cheap flight deals from Sheffield to Seattle
Keep the following information in mind while searching for Sheffield to Seattle flight deals. Data was last updated 15 September 2025.
Explore the most affordable flight options available from Sheffield to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.
Tue 25/1109:40MAN - SEA
1 stop15h 15mBritish Airways
Tue 2/1214:46SEA - MAN
2 stops15h 14mBritish Airways
Deal found 15/9£521
Fri 12/1211:55MAN - SEA
1 stop13h 05mIcelandair
Mon 19/114:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/9£523
Thu 11/1211:55MAN - SEA
1 stop13h 05mIcelandair
Sat 17/114:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/9£529
Fri 12/1211:55MAN - SEA
1 stop13h 05mIcelandair
Sun 18/114:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 13/9£532
Thu 30/1014:50MAN - SEA
3 stops34h 10mMultiple Airlines
Thu 6/1114:35SEA - MAN
2 stops18h 05mMultiple Airlines
Deal found 15/9£533
Mon 24/1114:50MAN - SEA
2 stops39h 34mFinnair
Mon 1/1207:19SEA - MAN
2 stops22h 41mFinnair
Deal found 13/9£534
Thu 16/1020:25MAN - SEA
3 stops32h 15mMultiple Airlines
Fri 24/1019:00SEA - MAN
2 stops17h 20mMultiple Airlines
Deal found 13/9£535
Wed 19/1119:15MAN - SEA
2 stops35h 46mScandinavian Airlines
Sun 23/1107:20SEA - MAN
2 stops42h 10mScandinavian Airlines
Deal found 13/9£538
Tue 28/1017:25MAN - SEA
2 stops31h 59mVirgin Atlantic
Tue 4/1113:40SEA - MAN
1 stop12h 30mVirgin Atlantic
Deal found 13/9£539
Fri 21/1110:10MAN - SEA
2 stops21h 48mScandinavian Airlines
Fri 28/1107:10SEA - MAN
2 stops42h 20mScandinavian Airlines
Deal found 14/9£540
Best flights from Sheffield to Seattle
Discover carefully curated flight deals from Sheffield to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2025.
Tue 25/1106:15MAN - SEA
1 stop18h 40mBritish Airways
Tue 2/1214:46SEA - MAN
2 stops15h 14mBritish Airways
Deal found 13/9£521
Thu 30/1011:55MAN - SEA
1 stop13h 05mIcelandair
Thu 6/1114:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 15/9£532
Thu 30/1014:50MAN - SEA
3 stops34h 10mMultiple Airlines
Thu 6/1114:35SEA - MAN
2 stops18h 05mMultiple Airlines
Deal found 15/9£533
Thu 5/309:10MAN - SEA
2 stops21h 19mSWISS
Mon 9/314:47SEA - MAN
2 stops34h 33mSWISS
Deal found 14/9£543
Wed 19/1106:25MAN - SEA
1 stop14h 55mLufthansa
Sun 23/1107:00SEA - MAN
2 stops17h 45mLufthansa
Deal found 13/9£546
Mon 3/1107:50MAN - SEA
2 stops23h 28mMultiple Airlines
Mon 17/1114:46SEA - MAN
2 stops16h 24mMultiple Airlines
Deal found 13/9£542
Thu 5/311:55MAN - SEA
1 stop13h 05mIcelandair
Mon 9/315:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 12/9£543
Mon 15/1220:05MAN - SEA
1 stop28h 50mBritish Airways
Mon 19/113:40SEA - MAN
2 stops16h 20mBritish Airways
Deal found 13/9£547
Last-minute flights from Sheffield to Seattle
Discover last-minute flight deals from Sheffield to Seattle. Data last updated 15 September 2025 and is based on user searches.
Tue 23/912:35MAN - SEA
1 stop19h 19mVirgin Atlantic
Tue 30/913:30SEA - MAN
1 stop19h 25mVirgin Atlantic
Deal found 14/9£543
Tue 23/905:55MAN - SEA
2 stops19h 59mDelta
Tue 30/918:45SEA - MAN
1 stop14h 10mDelta
Deal found 14/9£563
Tue 23/909:10MAN - SEA
2 stops17h 26mMultiple Airlines
Tue 30/907:15SEA - MAN
2 stops19h 25mMultiple Airlines
Deal found 13/9£567
Tue 23/911:10MAN - SEA
2 stops40h 20mCathay Pacific
Mon 29/901:30SEA - MAN
2 stops46h 25mCathay Pacific
Deal found 13/9£9,176
One-way flights from Sheffield to Seattle
Search for one-way flight options from Sheffield to Seattle. Find affordable one-way fares based on user searches. Data last updated 15 September 2025.
Sat 8/1112:30MAN - SEA
2 stops30h 05mMultiple Airlines
Deal found 13/9£260
Mon 13/1013:35MAN - SEA
3 stops53h 02mMultiple Airlines
Deal found 14/9£313
Wed 15/1008:45MAN - SEA
3 stops45h 45mMultiple Airlines
Deal found 14/9£321
Sun 12/1016:55MAN - SEA
2 stops49h 34mMultiple Airlines
Deal found 14/9£330
Tue 14/1016:05MAN - SEA
3 stops35h 26mMultiple Airlines
Deal found 14/9£352
Mon 6/1008:35MAN - SEA
2 stops34h 07mMultiple Airlines
Deal found 15/9£372
Thu 16/1012:00MAN - SEA
2 stops34h 00mMultiple Airlines
Deal found 14/9£388
Mon 29/907:00MAN - SEA
2 stops21h 29mMultiple Airlines
Deal found 13/9£400
Fri 17/1020:00MAN - SEA
3 stops32h 40mMultiple Airlines
Deal found 14/9£405
Cheapflights Fare Finder
Customise your flight search to find flights from Sheffield 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 858,174 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Sheffield to Seattle that are best for you.
Fly from
Sheffield
Fly to
Seattle
Route
Depart
Return
Price
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Tue 25/11
06:15-16:55
1 stop18h 40m
Seattle/Tacoma Intl
Tue 2/12
14:46-14:00
2 stops15h 14m
£521
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Thu 30/10
11:55-18:00
1 stop13h 05m
Seattle/Tacoma Intl
Thu 6/11
14:35-10:45
1 stop12h 10m
£532
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Thu 30/10
14:50-18:00
3 stops34h 10m
Seattle/Tacoma Intl
Thu 6/11
14:35-16:40
2 stops18h 05m
£533
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 3/11
07:50-23:18
2 stops23h 28m
Seattle/Tacoma Intl
Mon 17/11
14:46-15:10
2 stops16h 24m
£542
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Thu 5/3
09:10-22:29
2 stops21h 19m
Seattle/Tacoma Intl
Mon 9/3
14:47-08:20
2 stops34h 33m
£543
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Thu 5/3
11:55-17:00
1 stop13h 05m
Seattle/Tacoma Intl
Mon 9/3
15:35-10:45
1 stop12h 10m
£543
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 19/11
06:25-13:20
1 stop14h 55m
Seattle/Tacoma Intl
Sun 23/11
07:00-08:45
2 stops17h 45m
£546
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 15/12
20:05-16:55
1 stop28h 50m
Seattle/Tacoma Intl
Mon 19/1
13:40-14:00
2 stops16h 20m
£547
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Sat 8/11
12:30-10:35
2 stops30h 05m
£260
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Sun 12/10
16:55-10:29
2 stops49h 34m
£330
Flights are sorted by cheapest return flights first.
Deals found on 13/9
Showing 1-10 of 15 results
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Best time to book a flight from Sheffield to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Sheffield with our price prediction graph.
Estimated return 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.
Cheapflights Insights
Everything you need to know about your flight from Sheffield to Seattle
How far ahead should I book a flight from Sheffield to Seattle?
Use this chart to determine the optimal time to book a return flight from Sheffield to Seattle. Price data was last updated on 12 September 2025.
The best time to book flights from Sheffield to Seattle is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Sheffield to Seattle?
Currently, January is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £622). Flying from Sheffield to Seattle in July is currently the most expensive (average of £946). 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 SH9 to SEA?
Find hourly flight availability from Sheffield 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 15 September 2025.
When flying from Sheffield 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 is the cheapest day to fly from Sheffield to Seattle?
Use this chart to determine the cheapest time to fly return from Sheffield to Seattle. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Sheffield to Seattle flight should consider departing on Monday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 15 September 2025.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andAer Lingus from Sheffield to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Related info for your journey
Find useful and relevant information for your journey from Sheffield to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Seattle from Sheffield?
If you book a flight to Seattle from Sheffield, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Sheffield to Seattle/Tacoma Intl per day from 11 different airlines.
How long is the flight from Sheffield to Seattle?
Airlines like British Airways fly from Sheffield to Seattle in about 18h 40m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4633 mi.
Can I find deals for flights from Sheffield to Seattle that include hotel bookings?
Yes. In addition to deals on Sheffield to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sheffield to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sheffield to Seattle.
Can I find deals for business class flights from Sheffield to Seattle?
Yes. Cheapflights offers flight deals from Sheffield to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sheffield to Seattle?
Currently, January is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £622). Flying from Sheffield to Seattle in July is currently the most expensive (average of £946). 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.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 September 2025.
Discover the top 10 airlines that operate flights from Sheffield 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 858,174 searches. Data last updated 15 September 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sheffield to Seattle?
Deals for Sheffield to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Sheffield to Seattle?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sheffield to Seattle for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Sheffield to Seattle with no change fees?
Certainly. Search results for flights to Seattle from Sheffield shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Sheffield to Seattle become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Sheffield today and book when prices fit your budget.
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