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Cheap flights from Sheffield to Seattle from £277

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

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 22 January 2026.

Fri 15/513:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Sat 23/515:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 21/1£374
Wed 4/308:15
MAN
-
SEA
2 stops16h 45m
Multiple Airlines
Wed 11/315:35
SEA
-
MAN
2 stops24h 40m
Multiple Airlines
Deal found 20/1£412
Sat 16/506:45
MAN
-
SEA
1 stop12h 50m
British Airways
Sun 24/520:20
SEA
-
MAN
1 stop11h 45m
British Airways
Deal found 21/1£426
Wed 4/311:55
MAN
-
SEA
1 stop13h 05m
Icelandair
Wed 11/315:35
SEA
-
MAN
1 stop12h 25m
Icelandair
Deal found 20/1£428
Tue 24/211:55
MAN
-
SEA
1 stop13h 05m
Icelandair
Tue 3/314:35
SEA
-
MAN
1 stop12h 10m
Icelandair
Deal found 22/1£458
Mon 23/219:05
MAN
-
SEA
2 stops47h 39m
Multiple Airlines
Tue 3/314:35
SEA
-
MAN
1 stop12h 10m
Multiple Airlines
Deal found 22/1£468
Thu 19/211:55
MAN
-
SEA
1 stop13h 05m
Icelandair
Mon 2/314:35
SEA
-
MAN
1 stop12h 10m
Icelandair
Deal found 22/1£474
Tue 24/206:20
MAN
-
SEA
2 stops36h 24m
Multiple Airlines
Tue 3/314:35
SEA
-
MAN
1 stop12h 10m
Multiple Airlines
Deal found 22/1£476
Fri 20/206:25
MAN
-
SEA
1 stop14h 55m
Lufthansa
Fri 27/215:10
SEA
-
MAN
1 stop17h 45m
Lufthansa
Deal found 22/1£480
Sat 21/206:05
MAN
-
SEA
2 stops24h 38m
Multiple Airlines
Sat 28/208:17
SEA
-
MAN
2 stops19h 53m
Multiple Airlines
Deal found 22/1£481
Fri 20/206:25
MAN
-
SEA
1 stop14h 55m
Lufthansa
Sun 1/307:00
SEA
-
MAN
2 stops17h 45m
Lufthansa
Deal found 22/1£482
Thu 19/206:00
MAN
-
SEA
1 stop14h 10m
United Airlines
Sun 1/310:55
SEA
-
MAN
2 stops17h 25m
United Airlines
Deal found 22/1£482

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 22 January 2026.

Round-trip from

£374

One-way from

£277

Popular in

August

Cheapest in

January

Average price

£532
Icelandair
  • Icelandair
  • 15/5-23/5
  • 2 total stops
  • 27h 35m total
  • Sheffield to Seattle
Search Deals
24/2
  • 24/2
  • 3 total stops
  • 57h 53m total
  • Sheffield to Seattle
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£76 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 22 January 2026.
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 19/2

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Tue 3/3

14:35-10:45

1 stop12h 10m

£474

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 20/2

06:25-13:20

1 stop14h 55m

Seattle/Tacoma Intl

Sun 1/3

07:00-08:45

2 stops17h 45m

£482

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 19/2

06:00-12:10

1 stop14h 10m

Seattle/Tacoma Intl

Mon 2/3

09:00-12:20

2 stops19h 20m

£482

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 18/5

13:05-17:55

1 stop12h 50m

Seattle/Tacoma Intl

Sun 31/5

15:40-11:40

1 stop12h 00m

£482

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sat 7/3

06:05-12:10

1 stop14h 05m

Seattle/Tacoma Intl

Sat 14/3

09:20-12:10

2 stops19h 50m

£483

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 6/3

06:05-22:53

2 stops24h 48m

Seattle/Tacoma Intl

Fri 13/3

17:20-12:10

2 stops35h 50m

£486

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sat 21/2

06:05-22:43

2 stops24h 38m

Seattle/Tacoma Intl

Sun 1/3

09:19-14:50

2 stops21h 31m

£487

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 24/2

09:25-00:59

2 stops23h 34m

Seattle/Tacoma Intl

Tue 3/3

07:00-12:20

2 stops21h 20m

£487

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 20/2

06:05-22:43

2 stops24h 38m

Seattle/Tacoma Intl

Sun 1/3

05:05-12:20

2 stops23h 15m

£487

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 24/2

17:40-13:20

1 stop27h 40m

Seattle/Tacoma Intl

Wed 18/3

07:00-08:40

2 stops18h 40m

£488

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 16 results
1
2

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 16 January 2026.

The best time to book flights from Sheffield to Seattle is 18 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 £581). 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.

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 22 January 2026.
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.
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,442 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Aer Lingus
7.2
Good
1,441 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Icelandair
7.1
Good
602 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,690 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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, Lufthansa, and United Airlines 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 1h 50m. 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 £362). Flying from Sheffield to Seattle in July is currently the most expensive (average of £581). 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.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Federal Way
SeaTac

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sheffield to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Leeds to Portland flights
Bristol to Portland flights
Newquay to Seattle flights
Southend to Seattle flights
Edinburgh to Pasco flights
Edinburgh to Portland flights
London City to Spokane flights
Birmingham to Portland flights
Manchester to Spokane flights
Birmingham to Spokane flights
Heathrow to Bellingham flights
Grimsby to Portland flights

Top 10 airlines flying from Sheffield to Seattle

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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£362Average£513FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£391Average£570FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£441Average£604FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
FinnairCheapest£451Average£608FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£472Average£543FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£494Average£657FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£498Average£630FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£519Average£651FlexibilityNo cancel feeOn-time77%
Search Air France flights
DeltaCheapest£522Average£648FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest£544Average£784FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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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