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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
14 Jan — 21 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 15 December 2025.
Tue 23/1208:05MAN - SEA
2 stops39h 35mMultiple Airlines
Wed 7/114:35SEA - MAN
1 stop12h 10mMultiple Airlines
Deal found 12/12£699
Wed 24/1211:55MAN - SEA
1 stop13h 05mIcelandair
Wed 7/114:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 12/12£730
Tue 23/1208:45MAN - SEA
2 stops38h 55mMultiple Airlines
Sun 4/120:05SEA - MAN
1 stop15h 10mMultiple Airlines
Deal found 12/12£784
Fri 26/1213:55MAN - SEA
1 stop12h 25mAer Lingus
Sun 4/120:05SEA - MAN
1 stop15h 10mAer Lingus
Deal found 12/12£785
Wed 24/1207:30MAN - SEA
2 stops40h 10mMultiple Airlines
Wed 7/114:35SEA - MAN
1 stop12h 10mMultiple Airlines
Deal found 12/12£792
Tue 23/1218:45MAN - SEA
2 stops28h 55mMultiple Airlines
Thu 1/114:00SEA - MAN
1 stop14h 20mMultiple Airlines
Deal found 12/12£805
Sun 28/1205:50MAN - SEA
2 stops20h 46mDelta
Wed 7/107:10SEA - MAN
2 stops19h 00mDelta
Deal found 14/12£831
Tue 23/1218:45MAN - SEA
2 stops28h 55mMultiple Airlines
Fri 2/120:05SEA - MAN
1 stop13h 50mMultiple Airlines
Deal found 12/12£849
Mon 22/1207:25MAN - SEA
1 stop18h 55mMultiple Airlines
Sun 4/120:05SEA - MAN
1 stop17h 50mMultiple Airlines
Deal found 12/12£851
Mon 22/1207:25MAN - SEA
1 stop18h 55mMultiple Airlines
Fri 2/120:05SEA - MAN
1 stop13h 50mMultiple Airlines
Deal found 12/12£858
Wed 24/1207:30MAN - SEA
2 stops40h 10mMultiple Airlines
Sun 4/120:05SEA - MAN
1 stop11h 55mMultiple Airlines
Deal found 12/12£875
Mon 22/1213:55MAN - SEA
1 stop12h 25mAer Lingus
Mon 29/1220:05SEA - MAN
1 stop27h 30mAer Lingus
Deal found 14/12£881
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 December 2025.
Fri 6/319:15MAN - SEA
2 stops34h 37mScandinavian Airlines
Wed 11/311:46SEA - MAN
2 stops38h 44mScandinavian Airlines
Deal found 14/12£591
Wed 22/413:05MAN - SEA
1 stop15h 35mIcelandair
Sun 26/415:40SEA - MAN
1 stop12h 00mIcelandair
Deal found 13/12£628
Fri 6/311:55MAN - SEA
1 stop13h 05mMultiple Airlines
Wed 11/308:00SEA - MAN
2 stops19h 45mMultiple Airlines
Deal found 14/12£629
Tue 10/306:00MAN - SEA
1 stop14h 10mUnited Airlines
Mon 16/310:55SEA - MAN
2 stops18h 25mUnited Airlines
Deal found 13/12£635
Fri 17/408:40MAN - SEA
2 stops32h 43mFinnair
Wed 22/411:51SEA - MAN
2 stops19h 44mFinnair
Deal found 14/12£659
Sun 11/119:15MAN - SEA
2 stops35h 10mScandinavian Airlines
Sun 18/111:25SEA - MAN
2 stops23h 10mScandinavian Airlines
Deal found 14/12£609
Tue 27/106:00MAN - SEA
3 stops23h 12mUnited Airlines
Tue 3/209:25SEA - MAN
2 stops18h 55mUnited Airlines
Deal found 13/12£640
Sun 1/219:40MAN - SEA
2 stops32h 12mMultiple Airlines
Sun 8/214:35SEA - MAN
1 stop12h 10mMultiple Airlines
Deal found 14/12£653
Mon 30/318:35MAN - SEA
2 stops35h 30mScandinavian Airlines
Mon 13/412:00SEA - MAN
2 stops36h 55mScandinavian Airlines
Deal found 14/12£621
Mon 18/519:10MAN - SEA
2 stops35h 07mScandinavian Airlines
Sun 31/515:55SEA - MAN
2 stops36h 10mScandinavian Airlines
Deal found 13/12£625
Last-minute flights from Sheffield to Seattle
Discover last-minute flight deals from Sheffield to Seattle. Data last updated 15 December 2025 and is based on user searches.
Tue 23/1208:05MAN - SEA
2 stops39h 35mMultiple Airlines
Wed 7/114:35SEA - MAN
1 stop12h 10mMultiple Airlines
Deal found 12/12£699
Wed 24/1211:55MAN - SEA
1 stop13h 05mIcelandair
Wed 7/114:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 12/12£730
Sun 11/119:15MAN - SEA
2 stops35h 10mScandinavian Airlines
Sun 18/111:25SEA - MAN
2 stops23h 10mScandinavian Airlines
Deal found 14/12£609
Sun 11/105:50MAN - SEA
1 stop14h 00mDelta
Sun 18/122:55SEA - MAN
1 stop23h 35mDelta
Deal found 14/12£674
Sun 11/112:50MAN - SEA
2 stops53h 05mUnited Airlines
Sun 18/112:57SEA - MAN
3 stops44h 03mUnited Airlines
Deal found 14/12£691
Sun 11/117:25MAN - SEA
2 stops33h 53mBritish Airways
Sun 18/108:04SEA - MAN
2 stops21h 56mBritish Airways
Deal found 14/12£732
Tue 27/106:00MAN - SEA
2 stops23h 15mUnited Airlines
Tue 3/208:40SEA - MAN
2 stops19h 40mUnited Airlines
Deal found 13/12£640
Wed 28/111:55MAN - SEA
1 stop13h 05mIcelandair
Wed 4/214:35SEA - MAN
1 stop12h 10mIcelandair
Deal found 14/12£541
Wed 28/108:15MAN - SEA
2 stops16h 45mMultiple Airlines
Wed 4/214:35SEA - MAN
2 stops24h 40mMultiple Airlines
Deal found 14/12£594
Wed 28/109:50MAN - SEA
1 stop15h 05mBritish Airways
Wed 4/214:09SEA - MAN
2 stops18h 11mBritish Airways
Deal found 14/12£604
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 December 2025.
Mon 13/407:00MAN - SEA
3 stops32h 08mMultiple Airlines
Deal found 13/12£297
Wed 14/107:50MAN - SEA
2 stops20h 02mMultiple Airlines
Deal found 15/12£330
Fri 15/517:55MAN - SEA
2 stops31h 04mMultiple Airlines
Deal found 13/12£387
Fri 15/513:05MAN - SEA
1 stop15h 35mIcelandair
Deal found 13/12£421
Wed 14/118:30MAN - SEA
4 stops58h 27mEthiopian Air
Deal found 15/12£1,725
Mon 13/418:30MAN - SEA
4 stops58h 22mEthiopian Air
Deal found 13/12£1,966
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 15 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 15 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
Fri 6/3
19:15-21:52
2 stops34h 37m
Seattle/Tacoma Intl
Wed 11/3
11:46-09:30
2 stops38h 44m
£591
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Sun 11/1
19:15-22:25
2 stops35h 10m
Seattle/Tacoma Intl
Sun 18/1
11:25-18:35
2 stops23h 10m
£609
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 30/3
18:35-22:05
2 stops35h 30m
Seattle/Tacoma Intl
Mon 13/4
12:00-08:55
2 stops36h 55m
£621
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 18/5
19:10-22:17
2 stops35h 07m
Seattle/Tacoma Intl
Sun 31/5
15:55-12:05
2 stops36h 10m
£625
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 22/4
13:05-20:40
1 stop15h 35m
Seattle/Tacoma Intl
Sun 26/4
15:40-11:40
1 stop12h 00m
£628
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Fri 6/3
11:55-17:00
1 stop13h 05m
Seattle/Tacoma Intl
Wed 11/3
08:00-10:45
2 stops19h 45m
£629
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Tue 10/3
06:00-13:10
1 stop14h 10m
Seattle/Tacoma Intl
Mon 16/3
10:55-12:20
2 stops18h 25m
£635
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Tue 27/1
06:00-21:12
3 stops23h 12m
Seattle/Tacoma Intl
Tue 3/2
09:25-12:20
2 stops18h 55m
£640
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Sun 1/2
19:40-19:52
2 stops32h 12m
Seattle/Tacoma Intl
Sun 8/2
14:35-10:45
1 stop12h 10m
£653
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Fri 17/4
08:40-09:23
2 stops32h 43m
Seattle/Tacoma Intl
Wed 22/4
11:51-15:35
2 stops19h 44m
£659
Flights are sorted by cheapest return flights first.
Deals found on 13/12
Showing 1-10 of 17 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 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 £363). Flying from Sheffield to Seattle in July is currently the most expensive (average of £588). 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 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 15 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 Scandinavian Airlines and Icelandair fly from Sheffield to Seattle in about 15h 35m. The time it takes to get you to your destination can typically vary by up to 19h 02m. Airlines will cover a distance of 4633 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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 £363). Flying from Sheffield to Seattle in July is currently the most expensive (average of £588). 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 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 15 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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