Cheap Flights from Oslo to Chicago, IL from $273

Return flight: Chicago – Oslo

On Cheapflightsplus.com you will find 1000 connecting flights from Oslo to Chicago. You can compare airfare deals from 29 airlines and multiple travel sites from $273, book and save on cheap plane tickets and last minute offers. Also check out OSL-CHI flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Oslo to Chicago depends on and how to choose the most interesting flight option for you.

Distance between Oslo and Chicago is 6500 miles. Time difference between the cities is 7h. Airplanes depart 05:00 to 23:40 from 3 Oslo airports and arrive 05:00 to 23:40 to 7 Chicago airports. Average flight time is 27h 14m.

  • The fastest flight 11h
  • Average flight time 27h 14m
  • The earliest flight 05:00
  • The latest flight 23:40
  • Distance 4039 ml

The cheapest months to travel to Chicago are august (from 273 $), october (from 282 $), september (from 289 $).

The most expensive months are december (from 540 $), january (from 530 $), february (from 522 $).

What is the lowest airfare Oslo to Chicago?

The cheapest plane ticket found by our users is $273. This airfare is for economy class on one-way BA763 flight by British Airways for August 7, 2025 which leaves Gardermoen in Oslo at 20:05 am and arrives at Chicago O'Hare International at 15:55.

Economy class
$273
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Business class
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First class
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Flight Schedule Oslo to Chicago (Illinois)

08:35 — 17:25
15h 50m flight time
Find flight
from$378
08:35 — 10:55 Oslo — Helsinki
BA6027 British Airways
5h 5m stop
16:00 — 17:25 Helsinki — Chicago
BA6089 British Airways
08:35 — 17:25
15h 50m flight time
Find flight
from$404
08:35 — 10:55 Oslo — Helsinki
AY912 Finnair
5h 5m stop
16:00 — 17:25 Helsinki — Chicago
AY9 Finnair
13:20 — 17:50
11h 30m flight time
Find flight
from$343
13:10 — 15:35 Oslo — Helsinki
AY914 Finnair
40m stop
16:25 — 17:50 Helsinki — Chicago
AY9 Finnair
13:20 — 17:50
11h 30m flight time
Find flight
from$418
13:10 — 15:35 Oslo — Helsinki
AY914 Finnair
40m stop
16:25 — 17:50 Helsinki — Chicago
IB6422 Iberia
17:20 — 17:25+1day
31h 5m flight time
Find flight
from$413
17:20 — 19:45 Oslo — Helsinki
AY916 Finnair
20h 20m stop
16:25 — 17:50 Helsinki — Chicago
AY9 Finnair
18:50 — 16:10+1day
28h 20m flight time
Find flight
from$414
18:50 — 22:05 Oslo — Lisbon
TP765 TAP Portugal
14h 50m stop
13:25 — 16:40 Lisbon — Chicago
TP243 TAP Portugal
19:45 — 19:40+1day
30h 55m flight time
Find flight
from$335
19:40 — 21:40 Oslo — Warsaw
LO484 LOT
19h stop
16:40 — 19:50 Warsaw — Chicago
LO3 LOT
20:05 — 15:55+1day
26h 50m flight time
Find flight
from$273
17:10 — 18:30 Oslo — London
BA763 British Airways
15h 45m stop
13:10 — 15:55 London — Chicago
BA299 British Airways
20:05 — 18:15+1day
29h 10m flight time
Find flight
from$277
17:05 — 18:25 Oslo — London
BA763 British Airways
18h 5m stop
15:30 — 18:15 London — Chicago
BA297 British Airways
20:05 — 20:00+1day
30h 55m flight time
Find flight
from$360
20:05 — 22:00 Oslo — New York
N01 N0
20h 30m stop
18:30 — 20:00 New York — Chicago
NK1179 Spirit Airlines
20:05 — 17:00+1day
27h 55m flight time
Find flight
from$390
17:05 — 18:25 Oslo — London
BA763 British Airways
17h stop
14:25 — 17:00 London — Chicago
IB4396 Iberia
20:05 — 11:50+1day
22h 45m flight time
Find flight
from$391
17:10 — 18:30 Oslo — London
BA763 British Airways
11h 50m stop
09:15 — 11:50 London — Chicago
IB4209 Iberia
20:05 — 23:10+1day
34h 5m flight time
Find flight
from$395
20:05 — 22:00 Oslo — Newark
N01 N0
23h 33m stop
21:33 — 23:10 Newark — Chicago
NK329 Spirit Airlines
20:30 — 17:25+1day
27h 55m flight time
Find flight
from$387
20:35 — 22:55 Oslo — Helsinki
BA6078 British Airways
17h 5m stop
16:25 — 17:50 Helsinki — Chicago
BA6089 British Airways
20:30 — 17:25+1day
27h 55m flight time
Find flight
from$404
20:35 — 22:55 Oslo — Helsinki
AY918 Finnair
17h 5m stop
16:25 — 17:50 Helsinki — Chicago
AY9 Finnair
Full flight schedule will help you in detecting at what time planes fly from Oslo to Chicago. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on November 2, 2025.

Popular Airlines on the Route

The flight Oslo — Chicago is served by 29 regular airlines and 7 low-cost airlines. Most of the flights on this route are operated by LOT - 49 departures per week at the price of from $ 335 . And the most expensive tickets are offered by Norwegian airline - from $ 1060.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 1000 flights with layovers on the route. The fastest connecting flight is FI323 by Icelandair takes 11h and the cheapest is BA763 by British Airways for $273.

  • LO - LOT
    from $335
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  • FI - Icelandair
    from $483
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  • VY - Vueling
    from $565
    Find
  • JU - Air Serbia
    from $787
    Find
  • LX - SWISS International Air Lines
    from $391
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  • FR - Ryanair
    from $411
    Find
  • WF - Wideroe's Flyveselskap
    from $426
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  • BT - airBaltic
    from $557
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  • DY - Norwegian
    from $309
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  • SK - SAS
    from $319
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  • IB - Iberia
    from $642
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  • SN - Brussels Airlines
    from $544
    Find
See more connecting flights

Airports

You can fly from Oslo to Chicago from 3 airports (Gardermoen, Sandefjord, Puente Genil).

Oslo airports

  • Gardermoen-OSL
    from $273
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  • Sandefjord-TRF
    from $411
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  • Puente Genil-GEN
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Chicago airports

  • O'Hare International-ORD
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  • Midway-MDW
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  • Dupage County-DPA
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  • Chicago FSS-CHI
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  • Merrill C Meigs (closed)-CGX
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  • Pal-Waukee-PWK
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  • Chicago NAS-NOH
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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