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Cheap flights from Sheffield to Seattle from £378

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 27/6. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
29 Apr — 6 May1
1 adult

Cheapflights Tip: The best prices from Sheffield to Seattle/Tacoma Intl are usually found in January or March, booked 57 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Sheffield to Seattle

Keep the following information in mind while searching for Sheffield to Seattle flight deals. Data was last updated 24 April 2025.

Round-trip from

£558

One-way from

£378

Popular in

July

Cheapest in

January

Average price

£630
Virgin Atlantic
  • Virgin Atlantic
  • 23/9-30/9
  • 2 total stops
  • 28h 00m total
  • Sheffield to Seattle
Search Deals
27/6
  • 27/6
  • 3 total stops
  • 50h 53m total
  • Sheffield to Seattle
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£122 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Sheffield to Seattle

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 24 April 2025.

Wed 30/407:15MAN - SEA
2 stops43h 08mMultiple Airlines
Wed 7/519:00SEA - MAN
1 stop32h 40mMultiple Airlines
Deal found 23/4£555
Tue 23/905:55MAN - SEA
1 stop13h 50mVirgin Atlantic
Tue 30/918:45SEA - MAN
1 stop14h 10mVirgin Atlantic
Deal found 23/4£558
Sat 6/911:50MAN - SEA
1 stop31h 19mLufthansa
Sat 20/922:55SEA - MAN
2 stops27h 30mLufthansa
Deal found 23/4£561
Tue 29/414:10MAN - SEA
1 stop12h 10mBritish Airways
Tue 6/520:20SEA - MAN
1 stop14h 45mBritish Airways
Deal found 22/4£562
Fri 29/820:25MAN - SEA
2 stops34h 28mScandinavian Airlines
Wed 10/916:00SEA - MAN
2 stops33h 40mScandinavian Airlines
Deal found 23/4£566
Tue 23/908:40MAN - SEA
1 stop17h 40mFinnair
Tue 30/915:13SEA - MAN
2 stops16h 02mFinnair
Deal found 23/4£570
Wed 10/906:05MAN - SEA
2 stops21h 26mAir Canada
Wed 17/907:20SEA - MAN
2 stops19h 05mAir Canada
Deal found 23/4£575
Sat 6/911:50MAN - SEA
1 stop31h 19mUnited Airlines
Fri 19/912:10SEA - MAN
1 stop14h 10mUnited Airlines
Deal found 23/4£579
Tue 6/505:55MAN - SEA
2 stops19h 56mDelta
Tue 13/518:35SEA - MAN
1 stop14h 20mDelta
Deal found 22/4£597
Fri 25/413:05MAN - SEA
1 stop15h 35mIcelandair
Mon 12/519:00SEA - MAN
1 stop32h 40mIcelandair
Deal found 24/4£646
Sat 7/608:50MAN - SEA
1 stop14h 00mSWISS
Sat 14/616:20SEA - MAN
1 stop31h 45mSWISS
Deal found 23/4£655
Sat 6/917:30MAN - SEA
1 stop26h 15mKLM
Sun 21/913:55SEA - MAN
1 stop22h 10mKLM
Deal found 23/4£657

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 24 April 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 23/9

05:55-11:45

1 stop13h 50m

Seattle/Tacoma Intl

Tue 30/9

18:45-16:55

1 stop14h 10m

£558

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 6/5

09:05-09:18

3 stops32h 13m

Seattle/Tacoma Intl

Tue 13/5

19:00-21:50

3 stops18h 50m

£558

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sat 6/9

11:50-11:09

1 stop31h 19m

Seattle/Tacoma Intl

Sat 20/9

22:55-10:25

2 stops27h 30m

£561

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 29/8

20:25-22:53

2 stops34h 28m

Seattle/Tacoma Intl

Wed 10/9

16:00-09:40

2 stops33h 40m

£566

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 23/9

08:40-18:20

1 stop17h 40m

Seattle/Tacoma Intl

Tue 30/9

15:13-15:15

2 stops16h 02m

£570

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 10/9

06:05-19:31

2 stops21h 26m

Seattle/Tacoma Intl

Wed 17/9

07:20-10:25

2 stops19h 05m

£575

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 5/9

10:30-18:20

1 stop15h 50m

Seattle/Tacoma Intl

Tue 16/9

13:30-13:10

1 stop15h 40m

£576

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sat 6/9

11:50-11:09

1 stop31h 19m

Seattle/Tacoma Intl

Fri 19/9

12:10-10:20

1 stop14h 10m

£579

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 6/5

05:55-17:51

2 stops19h 56m

Seattle/Tacoma Intl

Tue 13/5

18:35-16:55

1 stop14h 20m

£597

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sat 7/6

08:50-14:50

1 stop14h 00m

Seattle/Tacoma Intl

Sat 14/6

16:20-08:05

1 stop31h 45m

£655

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 25 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 18 April 2025.

The best time to book flights from Sheffield to Seattle is 57 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, January is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £622). Flying from Sheffield to Seattle in July is currently the most expensive (average of £946). 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 24 April 2025.

When flying from Sheffield to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Monday afternoons 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 24 April 2025.
To help decide which airline to fly from Sheffield to Seattle, see what other customers have to say about Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,919 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,919 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 12 different airlines.

  • What are the cheapest airlines to fly from Sheffield to Seattle one-way?

    One-way options have recently been found by users for as low as £647 on Icelandair. Other airlines that offer cheap prices include Aer Lingus from £685 and Turkish Airlines from £786 one-way.

  • 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, January is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £622). Flying from Sheffield to Seattle in July is currently the most expensive (average of £946). 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 Sheffield?

Book flights to Sheffield if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

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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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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 24 April 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£478Average£630FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£479Average£613FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£483Average£658FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£484Average£651FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IcelandairCheapest£490Average£608FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£497Average£737FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£507Average£707FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£512Average£846FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£520Average£672FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£527Average£726FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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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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