Green Bay to Chicago flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Green Bay to Chicago is €424 with Viva Aerobus (checked on 25 Oct 2026).

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Lowest observed

€424

Average observed

€727

Cheapest month

December 2026

Last checked

25 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €424

Below average

8 Dec 2026

Viva Aerobus · 3 stops · One way

Cheapest observed day · Last checked: 25 Oct 2026

Departure

05:20

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search

Lowest observed: €424, departing 8 Dec 2026 (Last checked: 25 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 70Check live prices for this route
Airlines seen: Aeromexico, American Airlines, Delta Air Lines, Flair Airlines, Frontier Airlines, United Airlines, Viva Aerobus, Volaris, WestJet (9)
Typical journey time: 37h 45m
Non-stop: Yes

Short answer

Routavio has seen Aeromexico fares from Green Bay to Chicago. The lowest fare Routavio's own searches returned is €424, seen on 25 Oct 2026. The average across the fares we caught is €727. December 2026 is the cheapest month in our observations, at €424. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from Green Bay to Chicago. Prices move often, so pick your dates to see the latest options.

Route distance: 295 km
Typical journey time: 37h 45m
Seen on fares with a connection: Aeromexico, United Airlines, Volaris, WestJet, Delta Air Lines, Frontier Airlines, Viva Aerobus (7)
Alternative airports: CGX, DPA, MDW, PWK, RFD

Route-level information; individual journeys vary.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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The price is final on the provider's site, where your booking is completed.

How our prices work

Airport to city: straight-line distance

Austin Straubel International Airport (GRB) → Green Bay, city gazetteer reference point (44.5133, -88.0133): ≈ 10 km.
Chicago Midway International Airport (MDW) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 14 km.
Chicago O'Hare International Airport (ORD) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 25 km.
Chicago Rockford International Airport (RFD) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 126 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Lowest fare by departure month

Cheapest month from Green Bay to Chicago: December 2026, from €424 (checked 25 Oct 2026).

Lowest fare by departure month
Month	Lowest fare	Priced days
November 2026	€488	23
December 2026	€424	25
January 2027	€456	20

Lowest fare by day of the week

Cheapest day of the week from Green Bay to Chicago: Tuesday, from €424 (checked 25 Oct 2026).

Lowest fare by day of the week
Day	Lowest fare	Priced days
Monday	€488	9
Tuesday	€424	10
Wednesday	€536	10
Thursday	€621	6
Friday	€504	12
Saturday	€493	12
Sunday	€456	11

One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.

Lowest fare by days before departure

Lowest fare from Green Bay to Chicago by days until departure (31 to 60 days): €424 (checked 25 Oct 2026).

Lowest fare by days before departure
Days before departure	Lowest fare	Priced days
0 to 7 days	€639	7
8 to 30 days	€491	16
31 to 60 days	€424	26
61 days or more	€456	21

One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.

Fares for different departure dates, checked now; not a guide to when to book.

Lowest one-way fare we saw per airline

Cheapest airline from Green Bay to Chicago: Aeromexico, from €456 (checked 25 Oct 2026).

Lowest one-way fare we saw per airline
Airline	Lowest fare	Priced days
Aeromexico	€456Jan 24, 2027	57
WestJet	€585Nov 17, 2026	3
Volaris	€651Jan 20, 2027	5

One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.

Frequently asked

How much is a flight from Green Bay to Chicago?

The lowest fare Routavio has observed is €424, found on 25 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Green Bay to Chicago?

Cheapest month from Green Bay to Chicago: December 2026, from €424 (checked 25 Oct 2026).

Which airlines fly from Green Bay to Chicago?

Routavio has seen these carriers on the route: Aeromexico, American Airlines, Delta Air Lines, Flair Airlines, Frontier Airlines, United Airlines, Viva Aerobus, Volaris, WestJet (9).

How long does the flight from Green Bay to Chicago take?

Across the 76 fares Routavio observed, the average journey time is 33h 12m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

Which day of the week is cheapest from Green Bay to Chicago?

Cheapest day of the week from Green Bay to Chicago: Tuesday, from €424 (checked 25 Oct 2026).

Which airline has the lowest fare from Green Bay to Chicago?

Cheapest airline from Green Bay to Chicago: Aeromexico, from €456 (checked 25 Oct 2026).

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide