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Cheap flights from Seattle (SEA) to Trondheim (TRD) from $952

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — TRD
May 1 — May 81
From?
To?
Wed 5/1
Wed 5/8
1 adult, Economy
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Cheap flight deals from Seattle to Trondheim

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Trondheim (TRD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 26, 2024.

Round-trip from

$503
From Seattle/Tacoma Intl to Trondheim Vaernes
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What is the cheapest day to fly round-trip from Seattle to Trondheim?

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

When is the cheapest time to fly from Seattle to Trondheim (SEA - TRD)?

Unlike at noon, when flights are generally more expensive, you can save up to 8% on flights from Seattle to Trondheim by exploring options for tickets in the morning.

Cheap Delta flights from Seattle to Trondheim

Explore cheap flight options specifically provided by Delta for the route between Seattle and Trondheim. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Peruse some of the lowest-priced Delta flights we've found from Seattle to Trondheim. Make sure to check back often as deals are often changing.
Sun 7/146:10 pmSEA - TRD
1 stop32h 20mDelta
Thu 8/86:00 amTRD - SEA
2 stops21h 53mDelta
Deal found 4/25$952
Sun 7/149:45 amSEA - TRD
2 stops21h 45mDelta
Tue 8/66:00 amTRD - SEA
2 stops25h 15mDelta
Deal found 4/25$957
Mon 7/151:30 pmSEA - TRD
1 stop13h 00mDelta
Tue 8/66:00 amTRD - SEA
2 stops25h 15mDelta
Deal found 4/25$1,010
Sat 7/206:10 pmSEA - TRD
1 stop32h 20mDelta
Thu 8/86:00 amTRD - SEA
2 stops24h 28mDelta
Deal found 4/25$1,060
Sun 7/146:10 pmSEA - TRD
1 stop32h 20mDelta
Wed 8/712:00 pmTRD - SEA
1 stop31h 15mDelta
Deal found 4/25$1,074
Sun 7/149:45 amSEA - TRD
2 stops21h 45mDelta
Wed 8/712:00 pmTRD - SEA
1 stop13h 35mDelta
Deal found 4/25$1,079
Tue 7/166:10 pmSEA - TRD
1 stop13h 20mDelta
Thu 8/86:00 amTRD - SEA
2 stops25h 23mDelta
Deal found 4/25$1,098
Wed 7/176:00 amSEA - TRD
2 stops20h 30mDelta
Thu 8/86:00 amTRD - SEA
2 stops18h 41mDelta
Deal found 4/25$1,103
Sun 7/146:10 pmSEA - TRD
1 stop32h 20mDelta
Fri 8/912:00 pmTRD - SEA
1 stop31h 15mDelta
Deal found 4/25$1,124

Cheap KLM flights from Seattle to Trondheim

Explore cheap flight options specifically provided by KLM for the route between Seattle and Trondheim. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Some of the lowest-priced KLM flights we've found at this time heading from Seattle to Trondheim. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 7/166:10 pmSEA - TRD
1 stop13h 20mKLM
Thu 8/85:00 pmTRD - SEA
1 stop26h 15mKLM
Deal found 4/25$1,220
Wed 7/171:30 pmSEA - TRD
1 stop13h 00mKLM
Thu 8/85:00 pmTRD - SEA
1 stop26h 15mKLM
Deal found 4/25$1,304
Tue 7/166:10 pmSEA - TRD
1 stop19h 40mKLM
Tue 8/66:00 amTRD - SEA
1 stop19h 35mKLM
Deal found 4/25$1,305
Tue 7/166:10 pmSEA - TRD
1 stop19h 40mKLM
Wed 8/712:00 pmTRD - SEA
2 stops19h 11mKLM
Deal found 4/25$1,315
Wed 7/171:30 pmSEA - TRD
1 stop13h 00mKLM
Tue 8/66:00 amTRD - SEA
1 stop19h 35mKLM
Deal found 4/25$1,389
Wed 7/176:10 pmSEA - TRD
1 stop13h 20mKLM
Tue 8/66:00 amTRD - SEA
2 stops18h 41mKLM
Deal found 4/25$1,399
Wed 7/179:15 pmSEA - TRD
2 stops16h 35mKLM
Thu 8/85:00 pmTRD - SEA
1 stop26h 15mKLM
Deal found 4/25$1,438
Thu 7/181:30 pmSEA - TRD
1 stop13h 00mKLM
Thu 8/85:00 pmTRD - SEA
1 stop26h 15mKLM
Deal found 4/25$1,474
Thu 7/189:15 pmSEA - TRD
2 stops16h 35mKLM
Wed 8/76:00 amTRD - SEA
1 stop19h 35mKLM
Deal found 4/25$1,488

Seattle to Trondheim 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Trondheim in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to Trondheim in 2024. Check back soon for alternative fares.
Sun 7/146:10 pmSEA - TRD
1 stop32h 20mDelta
Tue 8/66:00 amTRD - SEA
2 stops21h 53mDelta
Deal found 4/25$952
Sun 7/149:45 amSEA - TRD
2 stops21h 45mDelta
Tue 8/66:00 amTRD - SEA
2 stops25h 15mDelta
Deal found 4/25$957
Mon 7/151:30 pmSEA - TRD
1 stop13h 00mDelta
Tue 8/66:00 amTRD - SEA
2 stops25h 15mDelta
Deal found 4/25$1,010
Sat 7/206:10 pmSEA - TRD
1 stop32h 20mDelta
Thu 8/86:00 amTRD - SEA
2 stops24h 28mDelta
Deal found 4/25$1,060
Sun 7/146:10 pmSEA - TRD
1 stop32h 20mDelta
Wed 8/712:00 pmTRD - SEA
1 stop31h 15mDelta
Deal found 4/25$1,074
Sun 7/149:45 amSEA - TRD
2 stops21h 45mDelta
Wed 8/712:00 pmTRD - SEA
1 stop13h 35mDelta
Deal found 4/25$1,079
Tue 7/166:10 pmSEA - TRD
1 stop13h 20mDelta
Thu 8/86:00 amTRD - SEA
2 stops25h 23mDelta
Deal found 4/25$1,098
Wed 7/176:00 amSEA - TRD
2 stops20h 30mDelta
Thu 8/86:00 amTRD - SEA
2 stops18h 41mDelta
Deal found 4/25$1,103
Sun 7/146:10 pmSEA - TRD
1 stop32h 20mDelta
Fri 8/912:00 pmTRD - SEA
1 stop31h 15mDelta
Deal found 4/25$1,124

Find flights from Seattle to Trondheim within your budget

Customize your flight search to find flights from Seattle to Trondheim 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 3,068,117 searches. Data last updated April 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$952 - $1,743

Route

Depart

Return

Price

Seattle/Tacoma IntlTrondheim Vaernes

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 7/14

1 stop32h 20m

Trondheim Vaernes

Thu 8/8

2 stops21h 53m

$952

Seattle/Tacoma IntlTrondheim Vaernes

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sun 7/14

2 stops21h 45m

Trondheim Vaernes

Tue 8/6

2 stops25h 15m

$957

Seattle/Tacoma IntlTrondheim Vaernes

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Mon 7/15

1 stop13h 00m

Trondheim Vaernes

Tue 8/6

2 stops25h 15m

$1,010

Seattle/Tacoma IntlTrondheim Vaernes

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Sat 7/20

1 stop32h 20m

Trondheim Vaernes

Thu 8/8

2 stops24h 28m

$1,060

Seattle/Tacoma IntlTrondheim Vaernes

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/16

1 stop13h 20m

Trondheim Vaernes

Thu 8/8

1 stop26h 15m

$1,220

Seattle/Tacoma IntlTrondheim Vaernes

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 7/17

1 stop13h 00m

Trondheim Vaernes

Thu 8/8

1 stop26h 15m

$1,304

Seattle/Tacoma IntlTrondheim Vaernes

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/16

2 stops21h 00m

Trondheim Vaernes

Wed 8/7

2 stops25h 00m

$1,415

Seattle/Tacoma IntlTrondheim Vaernes

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Tue 7/16

1 stop16h 50m

Trondheim Vaernes

Fri 8/9

2 stops21h 45m

$1,535

Seattle/Tacoma IntlTrondheim Vaernes

SEA - TRD

SEATRD

Seattle/Tacoma Intl

Wed 7/17

3 stops25h 00m

Trondheim Vaernes

Tue 8/6

2 stops24h 25m

$1,743

Flights are sorted by cheapest first

Deals found on 4/25

When is the cheapest time to fly from Seattle to Trondheim?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Trondheim. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Trondheim flight should consider departing on Sunday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Trondheim by month

Plan your trip from Seattle to Trondheim by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Trondheim is currently $0 while a round-trip flight costs $1,244. Price data was last updated on April 21, 2024.

Temperature and rainfall in Trondheim by month

Plan your trip to Trondheim by taking into account the average temperature and rainfall totals by month.

TRD

Temperature

26.6 - 55.4 °F

Reviews of airlines servicing Trondheim

Get insights into the airlines that provide service to Trondheim. 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 Trondheim. Reviews last updated April 26, 2024.
Read through reviews of airlines operating flights from Seattle to Trondheim, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,966 reviews
Check prices

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,966 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM
7.9
Good
1,626 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Finnair
7.8
Good
1,383 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Air Canada
7.0
Good
6,863 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Overall

8.1

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Trondheim. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Seattle to Trondheim for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Seattle to Trondheim for under $1,000. The cheapest flight booked recently is on Delta for just $952, but on average you can expect to pay $1,141.

  • What are the cheapest airlines flying from Seattle to Trondheim round-trip?

    According to our current data, Delta ($952), and KLM ($1,220) offers the cheapest pricing from Seattle to Trondheim.

  • What does SEA to TRD mean?

    SEA stands for Seattle/Tacoma Intl Airport, while TRD stands for Trondheim Vaernes Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Seattle to Trondheim that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Trondheim flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Trondheim with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Trondheim flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Trondheim that include hotel bookings?

    Yes. In addition to deals on Seattle to Trondheim flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Trondheim?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Trondheim.

  • Can I find deals for business class flights from Seattle to Trondheim?

    Yes. Cheapflights offers flight deals from Seattle to Trondheim by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Trondheim that allow pets onboard?

    Many airlines flying from Seattle to Trondheim offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Trondheim?

    Yes, you can often find last-minute deals on Seattle to Trondheim flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Trondheim flight deals updated?

    The Seattle to Trondheim flight deals you see on this page were last updated on 4/25.

See more FAQs

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Top 2 airlines flying from Seattle to Trondheim

Discover the top 2 airlines that operate flights from Seattle to Trondheim. 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 3,068,117 searches. Data last updated April 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$602Average$863FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$650Average$976FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Seattle to Trondheim by cabin class

Find flights from Seattle to Trondheim, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Trondheim?

When you search for this flight from Seattle to Trondheim, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Trondheim?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Trondheim by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Trondheim with no change fees?

Certainly. Search results for flights to Trondheim from Seattle 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 Seattle to Trondheim become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Trondheim from Seattle today and book when prices fit your budget.

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