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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
3 Jan — 10 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 4 December 2025.
Tue 23/1211:00MAN - SEA
1 stop32h 50mDelta
Thu 8/113:40SEA - MAN
1 stop12h 30mDelta
Deal found 1/12£552
Thu 25/1207:45MAN - SEA
1 stop17h 10mBritish Airways
Thu 8/111:55SEA - MAN
2 stops23h 10mBritish Airways
Deal found 1/12£555
Tue 23/1209:05MAN - SEA
1 stop34h 45mDelta
Tue 6/115:10SEA - MAN
1 stop13h 35mDelta
Deal found 1/12£556
Wed 24/1205:50MAN - SEA
2 stops18h 43mDelta
Thu 8/107:40SEA - MAN
2 stops24h 25mDelta
Deal found 1/12£559
Wed 24/1205:50MAN - SEA
2 stops18h 43mDelta
Tue 6/115:10SEA - MAN
1 stop13h 35mDelta
Deal found 1/12£561
Tue 23/1219:25MAN - SEA
2 stops31h 49mBritish Airways
Thu 8/107:35SEA - MAN
2 stops24h 55mBritish Airways
Deal found 1/12£562
Thu 25/1209:45MAN - SEA
1 stop33h 45mBritish Airways
Wed 7/118:50SEA - MAN
1 stop12h 10mBritish Airways
Deal found 1/12£579
Thu 25/1207:45MAN - SEA
1 stop17h 10mBritish Airways
Tue 6/118:50SEA - MAN
1 stop29h 05mBritish Airways
Deal found 1/12£586
Tue 23/1211:00MAN - SEA
2 stops37h 33mDelta
Wed 7/121:59SEA - MAN
2 stops34h 06mDelta
Deal found 1/12£587
Mon 15/1209:05MAN - SEA
2 stops19h 45mDelta
Mon 29/1207:25SEA - MAN
2 stops18h 45mDelta
Deal found 30/11£588
Thu 25/1213:40MAN - SEA
2 stops54h 56mDelta
Wed 7/121:59SEA - MAN
2 stops34h 06mDelta
Deal found 1/12£589
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 4 December 2025.
Tue 7/413:05MAN - SEA
1 stop15h 35mIcelandair
Tue 21/415:40SEA - MAN
1 stop12h 00mIcelandair
Deal found 3/12£451
Mon 6/410:55MAN - SEA
1 stop15h 30mBritish Airways
Mon 20/413:35SEA - MAN
1 stop14h 00mBritish Airways
Deal found 3/12£503
Sat 17/113:40MAN - SEA
3 stops35h 20mMultiple Airlines
Sat 24/114:35SEA - MAN
2 stops18h 10mMultiple Airlines
Deal found 3/12£525
Wed 8/406:05MAN - SEA
1 stop14h 15mLufthansa
Wed 22/407:00SEA - MAN
2 stops19h 25mLufthansa
Deal found 2/12£541
Fri 16/106:05MAN - SEA
3 stops24h 38mUnited Airlines
Fri 23/109:25SEA - MAN
2 stops18h 55mUnited Airlines
Deal found 2/12£543
Wed 8/413:05MAN - SEA
1 stop15h 40mIcelandair
Wed 22/419:00SEA - MAN
1 stop32h 40mIcelandair
Deal found 2/12£467
Tue 7/413:05MAN - SEA
1 stop12h 50mIcelandair
Fri 17/415:40SEA - MAN
1 stop12h 00mIcelandair
Deal found 3/12£491
Wed 8/406:05MAN - SEA
2 stops24h 03mMultiple Airlines
Wed 22/405:50SEA - MAN
2 stops27h 30mMultiple Airlines
Deal found 2/12£543
Mon 18/513:05MAN - SEA
1 stop15h 40mIcelandair
Sun 31/515:40SEA - MAN
1 stop12h 00mIcelandair
Deal found 2/12£515
Tue 7/413:05MAN - SEA
1 stop12h 50mIcelandair
Sat 18/415:40SEA - MAN
1 stop12h 00mIcelandair
Deal found 3/12£519
Fri 10/413:05MAN - SEA
1 stop12h 50mIcelandair
Sun 26/415:40SEA - MAN
1 stop12h 00mIcelandair
Deal found 2/12£523
Last-minute flights from Sheffield to Seattle
Discover last-minute flight deals from Sheffield to Seattle. Data last updated 4 December 2025 and is based on user searches.
Tue 23/1211:00MAN - SEA
1 stop32h 50mDelta
Thu 8/113:40SEA - MAN
1 stop12h 30mDelta
Deal found 1/12£552
Wed 14/118:45MAN - SEA
2 stops34h 27mSWISS
Sun 18/110:58SEA - MAN
2 stops37h 22mSWISS
Deal found 30/11£534
Wed 14/106:25MAN - SEA
1 stop14h 55mLufthansa
Sun 18/115:10SEA - MAN
1 stop24h 10mLufthansa
Deal found 30/11£537
Wed 14/108:55MAN - SEA
1 stop16h 00mAmerican Airlines
Sun 18/108:04SEA - MAN
2 stops18h 51mAmerican Airlines
Deal found 30/11£543
Thu 15/108:40MAN - SEA
2 stops16h 20mMultiple Airlines
Thu 22/114:35SEA - MAN
2 stops22h 05mMultiple Airlines
Deal found 1/12£436
Thu 15/107:45MAN - SEA
1 stop17h 10mBritish Airways
Thu 22/118:50SEA - MAN
1 stop13h 40mBritish Airways
Deal found 1/12£527
Fri 16/113:00MAN - SEA
2 stops19h 59mUnited Airlines
Fri 23/109:25SEA - MAN
2 stops23h 35mUnited Airlines
Deal found 2/12£543
Sat 17/106:20MAN - SEA
2 stops18h 40mMultiple Airlines
Sat 24/114:35SEA - MAN
2 stops19h 05mMultiple Airlines
Deal found 3/12£488
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 4 December 2025.
Mon 2/312:30MAN - SEA
2 stops30h 03mMultiple Airlines
Deal found 3/12£256
Fri 16/112:35MAN - SEA
3 stops55h 19mMultiple Airlines
Deal found 2/12£283
Thu 15/114:25MAN - SEA
3 stops52h 08mMultiple Airlines
Deal found 2/12£291
Mon 19/120:10MAN - SEA
3 stops45h 51mMultiple Airlines
Deal found 2/12£298
Sat 17/118:35MAN - SEA
3 stops47h 47mMultiple Airlines
Deal found 2/12£300
Wed 11/218:55MAN - SEA
3 stops47h 26mMultiple Airlines
Deal found 2/12£311
Sun 18/107:25MAN - SEA
3 stops34h 57mMultiple Airlines
Deal found 2/12£325
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 4 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 4 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
Tue 7/4
13:05-20:40
1 stop15h 35m
Seattle/Tacoma Intl
Tue 21/4
15:40-11:40
1 stop12h 00m
£451
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 8/4
13:05-20:45
1 stop15h 40m
Seattle/Tacoma Intl
Wed 22/4
19:00-11:40
1 stop32h 40m
£467
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Tue 7/4
13:05-17:55
1 stop12h 50m
Seattle/Tacoma Intl
Fri 17/4
15:40-11:40
1 stop12h 00m
£491
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 6/4
10:55-18:25
1 stop15h 30m
Seattle/Tacoma Intl
Mon 20/4
13:35-11:35
1 stop14h 00m
£503
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mon 18/5
13:05-20:45
1 stop15h 40m
Seattle/Tacoma Intl
Sun 31/5
15:40-11:40
1 stop12h 00m
£515
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Tue 7/4
13:05-17:55
1 stop12h 50m
Seattle/Tacoma Intl
Sat 18/4
15:40-11:40
1 stop12h 00m
£519
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Fri 10/4
13:05-17:55
1 stop12h 50m
Seattle/Tacoma Intl
Sun 26/4
15:40-11:40
1 stop12h 00m
£523
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Sat 17/1
13:40-17:00
3 stops35h 20m
Seattle/Tacoma Intl
Sat 24/1
14:35-16:45
2 stops18h 10m
£525
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Wed 8/4
06:05-12:20
1 stop14h 15m
Seattle/Tacoma Intl
Wed 22/4
07:00-10:25
2 stops19h 25m
£541
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Fri 16/1
06:05-22:43
3 stops24h 38m
Seattle/Tacoma Intl
Fri 23/1
09:25-12:20
2 stops18h 55m
£543
Flights are sorted by cheapest return flights first.
Deals found on 3/12
Showing 1-10 of 21 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 28 November 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 £366). Flying from Sheffield to Seattle in July is currently the most expensive (average of £592). 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 4 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.
How much does it cost for a return flight from Sheffield to Seattle?
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 4 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.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
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 and British Airways fly from Sheffield to Seattle in about 15h 30m. The time it takes to get you to your destination can typically vary by up to 05m. 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 £366). Flying from Sheffield to Seattle in July is currently the most expensive (average of £592). 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 4 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 4 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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