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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
22 Jan — 29 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sheffield to Seattle/Tacoma Intl are usually found in March or October, booked 67 days in advance, depart on a Wednesday or Monday and return on a Wednesday
Cheap flight deals from Sheffield to Seattle
Enter your travel dates to find the best prices.
Cheapest flights from Sheffield to Seattle
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 23 December 2025.
Mon 22/1208:05MAN - SEA
1 stop18h 15mAer Lingus
Mon 29/1220:05SEA - MAN
1 stop11h 15mAer Lingus
Deal found 21/12£979
Mon 22/1217:45MAN - SEA
2 stops51h 35mLufthansa
Mon 29/1207:00SEA - MAN
2 stops25h 55mLufthansa
Deal found 21/12£1,164
Mon 22/1216:20MAN - SEA
1 stop27h 10mBritish Airways
Mon 29/1218:50SEA - MAN
1 stop15h 50mBritish Airways
Deal found 22/12£1,294
Mon 22/1210:25MAN - SEA
2 stops36h 46mMultiple Airlines
Mon 29/1215:49SEA - MAN
3 stops42h 56mMultiple Airlines
Deal found 21/12£9,679
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 23 December 2025.
Thu 15/109:10MAN - SEA
2 stops21h 33mMultiple Airlines
Mon 19/114:00SEA - MAN
1 stop19h 00mMultiple Airlines
Deal found 21/12£465
Thu 15/111:55MAN - SEA
1 stop13h 05mIcelandair
Mon 19/114:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 20/12£491
Wed 4/206:00MAN - SEA
3 stops41h 44mUnited Airlines
Wed 11/207:00SEA - MAN
2 stops21h 20mUnited Airlines
Deal found 21/12£502
Mon 11/509:25MAN - SEA
1 stop15h 34mBritish Airways
Wed 10/613:35SEA - MAN
1 stop12h 15mBritish Airways
Deal found 22/12£514
Wed 4/217:45MAN - SEA
1 stop26h 25mLufthansa
Wed 11/215:10SEA - MAN
1 stop24h 10mLufthansa
Deal found 21/12£517
Wed 4/218:45MAN - SEA
2 stops35h 58mMultiple Airlines
Wed 11/214:10SEA - MAN
2 stops25h 10mMultiple Airlines
Deal found 20/12£471
Thu 15/106:00MAN - SEA
3 stops24h 43mUnited Airlines
Mon 19/110:58SEA - MAN
2 stops22h 02mUnited Airlines
Deal found 21/12£502
Tue 5/507:00MAN - SEA
1 stop12h 35mBritish Airways
Wed 10/613:35SEA - MAN
1 stop15h 35mBritish Airways
Deal found 22/12£520
Fri 10/407:00MAN - SEA
1 stop17h 59mUnited Airlines
Sun 26/423:59SEA - MAN
2 stops26h 41mUnited Airlines
Deal found 21/12£514
Last-minute flights from Sheffield to Seattle
Discover last-minute flight deals from Sheffield to Seattle. Data last updated 23 December 2025 and is based on user searches.
Mon 22/1208:05MAN - SEA
1 stop18h 15mAer Lingus
Mon 29/1220:05SEA - MAN
1 stop11h 15mAer Lingus
Deal found 21/12£979
Thu 15/106:00MAN - SEA
1 stop14h 10mLufthansa
Mon 19/114:00SEA - MAN
1 stop19h 00mLufthansa
Deal found 21/12£464
Thu 15/109:10MAN - SEA
2 stops21h 33mMultiple Airlines
Mon 19/114:00SEA - MAN
1 stop19h 00mMultiple Airlines
Deal found 21/12£465
Thu 15/111:55MAN - SEA
1 stop13h 05mIcelandair
Mon 19/114:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 21/12£471
Thu 15/106:00MAN - SEA
1 stop14h 10mUnited Airlines
Mon 19/107:00SEA - MAN
2 stops26h 00mUnited Airlines
Deal found 21/12£498
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 23 December 2025.
Sat 17/118:35MAN - SEA
3 stops44h 40mMultiple Airlines
Deal found 22/12£357
Sat 17/118:30MAN - SEA
4 stops58h 27mEthiopian Air
Deal found 22/12£1,993
Find flight deals from Sheffield to Seattle
Keep the following information in mind while searching for Sheffield to Seattle flight deals. Data was last updated 23 December 2025.
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 23 December 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
Thu 15/1
09:10-22:43
2 stops21h 33m
Seattle/Tacoma Intl
Mon 19/1
14:00-17:00
1 stop19h 00m
£465
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 4/2
18:45-22:43
2 stops35h 58m
Seattle/Tacoma Intl
Wed 11/2
14:10-23:20
2 stops25h 10m
£471
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Thu 15/1
11:55-17:00
1 stop13h 05m
Seattle/Tacoma Intl
Mon 19/1
14:35-10:45
1 stop12h 10m
£491
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 4/2
06:00-15:44
3 stops41h 44m
Seattle/Tacoma Intl
Wed 11/2
07:00-12:20
2 stops21h 20m
£502
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Thu 15/1
06:00-22:43
3 stops24h 43m
Seattle/Tacoma Intl
Mon 19/1
10:58-17:00
2 stops22h 02m
£502
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Fri 10/4
07:00-16:59
1 stop17h 59m
Seattle/Tacoma Intl
Sun 26/4
23:59-10:40
2 stops26h 41m
£514
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 11/5
09:25-16:59
1 stop15h 34m
Seattle/Tacoma Intl
Wed 10/6
13:35-09:50
1 stop12h 15m
£514
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 4/2
17:45-12:10
1 stop26h 25m
Seattle/Tacoma Intl
Wed 11/2
15:10-23:20
1 stop24h 10m
£517
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Tue 5/5
07:00-11:35
1 stop12h 35m
Seattle/Tacoma Intl
Wed 10/6
13:35-13:10
1 stop15h 35m
£520
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Sat 17/1
18:35-07:15
3 stops44h 40m
£357
Flights are sorted by cheapest return flights first.
Deals found on 22/12
Showing 1-10 of 11 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 19 December 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, April is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £362). Flying from Sheffield to Seattle in July is currently the most expensive (average of £585). 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 23 December 2025.
It’s optimal to fly from Sheffield to Seattle in the afternoon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight at midday.
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 Sunday at midday 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 23 December 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.
Not literally sitting in the very last row in the middle
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 Icelandair fly from Sheffield to Seattle in about 13h 05m. 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, April is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £362). Flying from Sheffield to Seattle in July is currently the most expensive (average of £585). 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 23 December 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 23 December 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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