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The cheapest order to fly Oslo, Stockholm and Helsinki from Washington

There are 6 ways to fly these cities, and 4 of them can be priced from fares we have seen. They do not cost the same. The cheapest works out at about $754 a person and the most expensive at $889, a difference of $135 for visiting exactly the same places.

Fly them in this order

Washington → Helsinki → Stockholm → Oslo → Washington

About $754 per person in flights, based on fares recently seen on these routes, and the cheapest of the 4 ways round we could price.

The 4 we can price

  1. Washington → Helsinki → Stockholm → Oslo → Washington$754
    cheapest order
  2. Washington → Helsinki → Oslo → Stockholm → Washington$813
    $59 more per person
  3. Washington → Stockholm → Helsinki → Oslo → Washington$829
    $75 more per person
  4. Washington → Stockholm → Oslo → Helsinki → Washington$889
    $135 more per person

Why Helsinki first

  1. Washington to Helsinki$280
  2. Helsinki to Stockholm$39
  3. Stockholm to Oslo$57
  4. Oslo to Washington$378
  • Out of Washington, Helsinki is the cheapest first stop at about $280. Stockholm would be $334.
  • Going home, Oslo is the cheapest city to leave from at about $378, against $418 from Helsinki.
  • The dearest order pays $418 for Helsinki to Washington, a flight the cheapest order never takes.
  • Oslo to Washington is 50% of what the cheapest order spends on flights, so it is the leg to watch.

Between the cities

  • Helsinki to Stockholm: about 400 km (250 miles) as the crow flies. Also by ground: Helsinki to Stockholm overnight cruise ferry, about 16h 30m, usually $60 to $160.
  • Stockholm to Oslo: about 420 km (260 miles) as the crow flies. Also by ground: SJ, about 6h, usually $40 to $120. Or FlixBus, about 8h, usually $25 to $55.

Entry rules on a US passport

  • US passport: visa-free in the Schengen area for 90 days in any 180. The Entry/Exit System registers biometrics at the border, and the ETIAS pre-travel authorization may now be required; check the official site. Official source

Rules change; check the official source for your passport and dates before you book.

What these numbers are

Cached one-way fares, 11 of 12 legs priced from real observations, put together on November 12, 2026, from fares departing November 13, 2026 onwards. Right for comparing one order with another, not a quote for your dates.

A plan prices your own dates and weighs hours as well as fares, so it can pick a different order from this page.

Other trips priced this way

From Washington

Trips through the same cities

Put dates on it

Same cities on real dates, plus what one search cannot show: layovers long enough to count as a free city, two tickets that beat one, and cheaper days either side. No account and no card.

One press starts it on January 16, 2027 to January 30, 2027, 14 days, for 2 travelers. Our dates, not yours, and about two minutes.

Plan Oslo, Stockholm and Helsinki from Washington nowOpen the form instead and pick your own dates

Signed out, 3 trips a day per address, priced from cached fares and the free sources, so some legs may be estimates and the plan says which. Signed in, your first trip also searches Google Flights live, and you can change your trips afterwards.