Cheap flights from Sheffield to Seattle from £256

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
6 Apr — 13 Apr1
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 7 March 2026.

Wed 15/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Mon 27/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 3/3£361
Tue 14/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Tue 28/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 3/3£361
Wed 15/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Sat 25/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 3/3£379
Tue 14/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Sun 26/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 3/3£380
Thu 9/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Wed 29/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 3/3£392
Thu 9/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Tue 28/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 3/3£393
Wed 15/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Thu 23/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 3/3£395
Tue 14/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Thu 23/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 3/3£396
Sun 19/419:25
MAN
-
SEA
2 stops54h 17m
Multiple Airlines
Sun 26/415:40
SEA
-
MAN
1 stop12h 00m
Multiple Airlines
Deal found 5/3£407
Wed 29/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Tue 19/515:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 6/3£408
Tue 28/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Tue 19/515:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 6/3£409
Thu 9/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Sat 25/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 3/3£411

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 7 March 2026.

Round-trip from

£361

One-way from

£256

Popular in

August

Cheapest in

October

Average price

£644
Icelandair
  • Icelandair
  • 15/4-27/4
  • 2 total stops
  • 24h 50m total
  • Sheffield to Seattle
27/4
  • 27/4
  • 3 total stops
  • 57h 37m total
  • Sheffield to Seattle
Highest demand for flights based on searches. 14% potential increase in price (£80 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Average for round-trip flights in March 2026

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 7 March 2026.
Use the filters below to find and compare flights from Sheffield to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 3/6

13:05-17:55

1 stop12h 50m

Seattle/Tacoma Intl

Mon 8/6

23:25-11:40

1 stop28h 15m

£571

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 28/4

10:35-19:00

2 stops40h 25m

Seattle/Tacoma Intl

Tue 12/5

11:39-10:25

3 stops38h 46m

£653

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sat 20/6

21:15-13:45

2 stops24h 30m

Seattle/Tacoma Intl

Fri 4/9

15:55-11:45

2 stops35h 50m

£684

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 19/6

12:45-13:45

2 stops33h 00m

Seattle/Tacoma Intl

Fri 4/9

15:55-11:45

2 stops35h 50m

£684

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 1/6

06:00-21:10

3 stops47h 10m

Seattle/Tacoma Intl

Thu 18/6

07:40-10:25

2 stops18h 45m

£736

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 19/6

13:05-20:40

1 stop15h 35m

Seattle/Tacoma Intl

Fri 4/9

23:25-11:40

1 stop28h 15m

£758

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 30/3

11:10-12:20

1 stop33h 10m

Seattle/Tacoma Intl

Mon 13/4

23:59-10:40

2 stops26h 41m

£783
Fastest return journey

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 21/8

10:35-20:02

2 stops17h 27m

Seattle/Tacoma Intl

Fri 11/9

20:20-17:20

1 stop13h 00m

£786

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 3/4

11:10-16:03

2 stops36h 53m

Seattle/Tacoma Intl

Fri 17/4

22:35-17:20

2 stops34h 45m

£818

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 30/3

14:55-11:15

1 stop28h 20m

Seattle/Tacoma Intl

Thu 9/4

13:45-20:05

1 stop22h 20m

£986

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Showing 1-10 of 19 resultsSorted by cheapest first
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 6 March 2026.

The best time to book flights from Sheffield to Seattle is 72 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 £364). Flying from Sheffield to Seattle in July is currently the most expensive (average of £586). 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 7 March 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.

Crew

8.4

Overall

7.8

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Overall

7.8

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Overall

7.8

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Overall

7.8

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Overall

7.8

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Overall

7.8

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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, United Airlines, and Scandinavian Airlines fly from Sheffield to Seattle in about 12h 50m. The time it takes to get you to your destination can typically vary by up to 27h 35m. 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 £364). Flying from Sheffield to Seattle in July is currently the most expensive (average of £586). 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

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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 7 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£364Average£518FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£393Average£607FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£463Average£666FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£476Average£547FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£491Average£636FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£517Average£612FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£518Average£665FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£521Average£684FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aer LingusCheapest£546Average£794FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£556Average£659FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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