---
title: "Oslo to Marathon cheap flights (OSL to MTH) - Expedia"
description: "Cheap Flights from Oslo (OSL) to Marathon (MTH) start at for one-way and for round trip. Earn your airline miles on top of our rewards!"
canonical: "https://www.expedia.com/lp/flights/osl/mth/oslo-to-marathon"
language: en-US
market: US
currency: USD
prices_as_of: 2026-11-15T22:22:47Z
---

# Cheap Flights from Oslo (OSL) to Marathon (MTH)
![A thatched-roof building labeled 'Aquarium Encounters' with a sign indicating 'No Parking Any Time'.](https://images.trvl-media.com/place/2437/faa8da08-0530-4ab5-b8a5-0f5f969d7bc0.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

## Popular airlines from Gardermoen Airport (OSL) to Marathon, FL (MTH-Florida Keys Marathon)

[American Airlines](https://www.expedia.com/Flights-Search?leg1=from:OSL,to:MTH,departure:11/29/2026TANYT&leg2=from:MTH,to:OSL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])

[United](https://www.expedia.com/Flights-Search?leg1=from:OSL,to:MTH,departure:11/29/2026TANYT&leg2=from:MTH,to:OSL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])

[Southwest Airlines](https://www.expedia.com/Flights-Search?leg1=from:OSL,to:MTH,departure:11/29/2026TANYT&leg2=from:MTH,to:OSL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}])

[Delta](https://www.expedia.com/Flights-Search?leg1=from:OSL,to:MTH,departure:11/29/2026TANYT&leg2=from:MTH,to:OSL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])

[Frontier Airlines](https://www.expedia.com/Flights-Search?leg1=from:OSL,to:MTH,departure:11/29/2026TANYT&leg2=from:MTH,to:OSL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}])

[JetBlue Airways](https://www.expedia.com/Flights-Search?leg1=from:OSL,to:MTH,departure:11/29/2026TANYT&leg2=from:MTH,to:OSL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}])

[Alaska Airlines](https://www.expedia.com/Flights-Search?leg1=from:OSL,to:MTH,departure:11/29/2026TANYT&leg2=from:MTH,to:OSL,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}])

### Be in the know
Get alerts if flight prices drop or rise\*

### Book smarter
Save up to 30% on select hotels after you book a flight\*

### Earn twice
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[Learn about One Key](https://www.expedia.com/welcome-one-key)

## Book with confidence

### Oslo to Marathon Flights

#### The cheapest times to fly from Oslo to Marathon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Oslo to Marathon are during the month of . You can find some of the cheapest flights from Oslo to Marathon with Expedia's search tool and vast selection of airlines.

#### The best time to book a flight from Oslo to Marathon

Sunday is one of the best days to book for cheap flights from Oslo to Marathon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

#### How to find cheap round-trip tickets from Oslo to Marathon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Oslo to Marathon in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Oslo to Marathon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Oslo to Marathon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*\*Terms apply.*

*Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.*

## Travel information

| Origin airport      | Gardermoen Airport |
| ------------------- | ------------------ |
| Destination airport | Marathon, FL       |
| Distance            | 4,819 miles away   |

## Explore a world of travel with Expedia

- [Flights](?equalTargetTab=tab-0)
- [Flights from Minneapolis (MSP) to Marathon (MTH)](https://www.expedia.com/lp/flights/msp/mth/minneapolis-to-marathon)
- [Flights from Orlando (SFB) to Marathon (MTH)](https://www.expedia.com/lp/flights/sfb/mth/orlando-to-marathon)
- [Flights from Baltimore (BWI) to Marathon (MTH)](https://www.expedia.com/lp/flights/bwi/mth/baltimore-to-marathon)
- [Flights from Cincinnati (CVG) to Marathon (MTH)](https://www.expedia.com/lp/flights/cvg/mth/cincinnati-to-marathon)
- [Flights from Islip (ISP) to Marathon (MTH)](https://www.expedia.com/lp/flights/isp/mth/islip-to-marathon)
- [Flights from Atlanta (ATL) to Marathon (MTH)](https://www.expedia.com/lp/flights/atl/mth/atlanta-to-marathon)
- [Flights from Greensboro (GSO) to Marathon (MTH)](https://www.expedia.com/lp/flights/gso/mth/greensboro-to-marathon)
- [Flights from Vero Beach (VRB) to Marathon (MTH)](https://www.expedia.com/lp/flights/vrb/mth/vero-beach-to-marathon)
- [Flights from Ocala (OCF) to Marathon (MTH)](https://www.expedia.com/lp/flights/ocf/mth/ocala-to-marathon)
- [Flights from Norfolk (ORF) to Marathon (MTH)](https://www.expedia.com/lp/flights/orf/mth/norfolk-to-marathon)
- [Flights from Philadelphia (PHL) to Marathon (MTH)](https://www.expedia.com/lp/flights/phl/mth/philadelphia-to-marathon)
- [Flights from New Orleans (NEW) to Marathon (MTH)](https://www.expedia.com/lp/flights/new/mth/new-orleans-to-marathon)
- [Flights from Flint (FNT) to Marathon (MTH)](https://www.expedia.com/lp/flights/fnt/mth/flint-to-marathon)
- [Flights from Albany (ALB) to Marathon (MTH)](https://www.expedia.com/lp/flights/alb/mth/albany-to-marathon)
- [Flights from West Palm Beach (PBI) to Marathon (MTH)](https://www.expedia.com/lp/flights/pbi/mth/west-palm-beach-to-marathon)
- [Flights from Austin (AUS) to Marathon (MTH)](https://www.expedia.com/lp/flights/aus/mth/austin-to-marathon)
- [Flights from New York (JFK) to Marathon (MTH)](https://www.expedia.com/lp/flights/jfk/mth/new-york-to-marathon)
- [Flights from Toledo (TOL) to Marathon (MTH)](https://www.expedia.com/lp/flights/tol/mth/toledo-to-marathon)
- [Flights from Houston (HOU) to Marathon (MTH)](https://www.expedia.com/lp/flights/hou/mth/houston-to-marathon)
- [Flights from Newark Liberty Intl. Airport (EWR) to Marathon (MTH)](https://www.expedia.com/lp/flights/ewr/mth/newark-liberty-intl-airport-to-marathon)
- [Flights from St. Petersburg (PIE) to Marathon (MTH)](https://www.expedia.com/lp/flights/pie/mth/st-petersburg-to-marathon)
- [Flights from Charlotte (CLT) to Marathon (MTH)](https://www.expedia.com/lp/flights/clt/mth/charlotte-to-marathon)
- [Flights from Tampa (TPA) to Key West (EYW)](https://www.expedia.com/lp/flights/tpa/eyw/tampa-to-key-west)
- [Flights from Atlantic City (ACY) to Marathon (MTH)](https://www.expedia.com/lp/flights/acy/mth/atlantic-city-to-marathon)
- [Flights from Dayton (DAY) to Marathon (MTH)](https://www.expedia.com/lp/flights/day/mth/dayton-to-marathon)
- [Flights from Birmingham (BHM) to Marathon (MTH)](https://www.expedia.com/lp/flights/bhm/mth/birmingham-to-marathon)
- [Flights from Jacksonville (JAX) to Marathon (MTH)](https://www.expedia.com/lp/flights/jax/mth/jacksonville-to-marathon)
- [Flights from Boca Raton (BCT) to Marathon (MTH)](https://www.expedia.com/lp/flights/bct/mth/boca-raton-to-marathon)
- [Flights from Grand Rapids (GRR) to Marathon (MTH)](https://www.expedia.com/lp/flights/grr/mth/grand-rapids-to-marathon)
- [Flights from San Francisco (SFO) to Marathon (MTH)](https://www.expedia.com/lp/flights/sfo/mth/san-francisco-to-marathon)
- [Flights from Stuart (SUA) to Marathon (MTH)](https://www.expedia.com/lp/flights/sua/mth/stuart-to-marathon)
- [Flights from Memphis (MEM) to Marathon (MTH)](https://www.expedia.com/lp/flights/mem/mth/memphis-to-marathon)
- [Flights from St. Louis (STL) to Marathon (MTH)](https://www.expedia.com/lp/flights/stl/mth/st-louis-to-marathon)
- [Flights from Nashville (BNA) to Marathon (MTH)](https://www.expedia.com/lp/flights/bna/mth/nashville-to-marathon)
- [Flights from Syracuse (SYR) to Marathon (MTH)](https://www.expedia.com/lp/flights/syr/mth/syracuse-to-marathon)
- [Flights from White Plains (HPN) to Marathon (MTH)](https://www.expedia.com/lp/flights/hpn/mth/white-plains-to-marathon)
- [Flights from Miami (MIA) to Marathon (MTH)](https://www.expedia.com/lp/flights/mia/mth/miami-to-marathon)
- [Flights from Fort Lauderdale (FLL) to Marathon (MTH)](https://www.expedia.com/lp/flights/fll/mth/fort-lauderdale-to-marathon)
- [Flights from Tallahassee (TLH) to Marathon (MTH)](https://www.expedia.com/lp/flights/tlh/mth/tallahassee-to-marathon)
- [Flights from Gainesville (GNV) to Marathon (MTH)](https://www.expedia.com/lp/flights/gnv/mth/gainesville-to-marathon)
- [Flights from Asheville (AVL) to Marathon (MTH)](https://www.expedia.com/lp/flights/avl/mth/asheville-to-marathon)
- [Flights from Columbus (CMH) to Marathon (MTH)](https://www.expedia.com/lp/flights/cmh/mth/columbus-to-marathon)
- [Flights from Portland (PDX) to Marathon (MTH)](https://www.expedia.com/lp/flights/pdx/mth/portland-to-marathon)
- [Flights from Orlando (MCO) to Marathon (MTH)](https://www.expedia.com/lp/flights/mco/mth/orlando-to-marathon)
- [Flights from Washington (IAD) to Marathon (MTH)](https://www.expedia.com/lp/flights/iad/mth/washington-to-marathon)
- [Flights from Allentown (ABE) to Marathon (MTH)](https://www.expedia.com/lp/flights/abe/mth/allentown-to-marathon)
- [Flights from Rochester (ROC) to Marathon (MTH)](https://www.expedia.com/lp/flights/roc/mth/rochester-to-marathon)
- [Flights from Boston (BOS) to Marathon (MTH)](https://www.expedia.com/lp/flights/bos/mth/boston-to-marathon)
- [Flights from Kansas City (MCI) to Marathon (MTH)](https://www.expedia.com/lp/flights/mci/mth/kansas-city-to-marathon)
- [Flights from Key West (EYW) to Marathon (MTH)](https://www.expedia.com/lp/flights/eyw/mth/key-west-to-marathon)
- [Flights from Lakeland Intl. Airport (LAL) to Marathon (MTH)](https://www.expedia.com/lp/flights/lal/mth/lakeland-intl-airport-to-marathon)
- [Flights from Naples (APF) to Marathon (MTH)](https://www.expedia.com/lp/flights/apf/mth/naples-to-marathon)
- [Flights from Chicago (MDW) to Marathon (MTH)](https://www.expedia.com/lp/flights/mdw/mth/chicago-to-marathon)
- [Flights from Savannah (SAV) to Marathon (MTH)](https://www.expedia.com/lp/flights/sav/mth/savannah-to-marathon)
- [Flights from Charlottesville (CHO) to Marathon (MTH)](https://www.expedia.com/lp/flights/cho/mth/charlottesville-to-marathon)
- [Flights from Clearwater (CLW) to Marathon (MTH)](https://www.expedia.com/lp/flights/clw/mth/clearwater-to-marathon)
- [Flights from Wilmington (ILM) to Marathon (MTH)](https://www.expedia.com/lp/flights/ilm/mth/wilmington-to-marathon)
- [Flights from Greenville (GSP) to Marathon (MTH)](https://www.expedia.com/lp/flights/gsp/mth/greenville-to-marathon)
- [Flights from Denver (DEN) to Marathon (MTH)](https://www.expedia.com/lp/flights/den/mth/denver-to-marathon)
- [Flights from Buffalo (BUF) to Marathon (MTH)](https://www.expedia.com/lp/flights/buf/mth/buffalo-to-marathon)
- [Flights from Knoxville (TYS) to Marathon (MTH)](https://www.expedia.com/lp/flights/tys/mth/knoxville-to-marathon)
- [Flights from Los Angeles (LAX) to Marathon (MTH)](https://www.expedia.com/lp/flights/lax/mth/los-angeles-to-marathon)
- [Flights from Dallas (DFW) to Marathon (MTH)](https://www.expedia.com/lp/flights/dfw/mth/dallas-to-marathon)
- [Flights from Harrisburg (MDT) to Marathon (MTH)](https://www.expedia.com/lp/flights/mdt/mth/harrisburg-to-marathon)
- [Flights from Sarasota (SRQ) to Marathon (MTH)](https://www.expedia.com/lp/flights/srq/mth/sarasota-to-marathon)
- [Flights from Milwaukee (MKE) to Marathon (MTH)](https://www.expedia.com/lp/flights/mke/mth/milwaukee-to-marathon)
- [Flights from Omaha (OMA) to Marathon (MTH)](https://www.expedia.com/lp/flights/oma/mth/omaha-to-marathon)
- [Flights from Hartford (BDL) to Marathon (MTH)](https://www.expedia.com/lp/flights/bdl/mth/hartford-to-marathon)
- [Flights from Panama City (ECP) to Marathon (MTH)](https://www.expedia.com/lp/flights/ecp/mth/panama-city-to-marathon)
- [Flights from Manchester (MHT) to Marathon (MTH)](https://www.expedia.com/lp/flights/mht/mth/manchester-to-marathon)
- [Flights from Pittsburgh (PIT) to Marathon (MTH)](https://www.expedia.com/lp/flights/pit/mth/pittsburgh-to-marathon)
- [Flights from Chicago (ORD) to Marathon (MTH)](https://www.expedia.com/lp/flights/ord/mth/chicago-to-marathon)
- [Flights from New York (LGA) to Marathon (MTH)](https://www.expedia.com/lp/flights/lga/mth/new-york-to-marathon)
- [Flights from Indianapolis (IND) to Marathon (MTH)](https://www.expedia.com/lp/flights/ind/mth/indianapolis-to-marathon)
- [Flights from Portland (PWM) to Marathon (MTH)](https://www.expedia.com/lp/flights/pwm/mth/portland-to-marathon)
- [Flights from Wichita (ICT) to Marathon (MTH)](https://www.expedia.com/lp/flights/ict/mth/wichita-to-marathon)
- [Flights from Lexington (LEX) to Marathon (MTH)](https://www.expedia.com/lp/flights/lex/mth/lexington-to-marathon)
- [Flights from Melbourne (MLB) to Marathon (MTH)](https://www.expedia.com/lp/flights/mlb/mth/melbourne-to-marathon)
- [Flights from Cleveland (CLE) to Marathon (MTH)](https://www.expedia.com/lp/flights/cle/mth/cleveland-to-marathon)
- [Flights from Madison (MSN) to Marathon (MTH)](https://www.expedia.com/lp/flights/msn/mth/madison-to-marathon)
- [Flights from Fargo (FAR) to Marathon (MTH)](https://www.expedia.com/lp/flights/far/mth/fargo-to-marathon)
- [Flights from Jacksonville (CRG) to Marathon (MTH)](https://www.expedia.com/lp/flights/crg/mth/jacksonville-to-marathon)
- [Flights from Louisville (SDF) to Marathon (MTH)](https://www.expedia.com/lp/flights/sdf/mth/louisville-to-marathon)
- [Flights from Providence (PVD) to Marathon (MTH)](https://www.expedia.com/lp/flights/pvd/mth/providence-to-marathon)
- [Flights from Daytona Beach (DAB) to Marathon (MTH)](https://www.expedia.com/lp/flights/dab/mth/daytona-beach-to-marathon)
- [Flights from Miami (OPF) to Marathon (MTH)](https://www.expedia.com/lp/flights/opf/mth/miami-to-marathon)
- [Flights from New York (NYC) to Marathon (MTH)](https://www.expedia.com/lp/flights/nyc/mth/new-york-to-marathon)
- [Flights from Punta Gorda Airport (PGD) to Marathon (MTH)](https://www.expedia.com/lp/flights/pgd/mth/punta-gorda-airport-to-marathon)
- [Flights from Houston (IAH) to Marathon (MTH)](https://www.expedia.com/lp/flights/iah/mth/houston-to-marathon)
- [Flights from Seattle (SEA) to Marathon (MTH)](https://www.expedia.com/lp/flights/sea/mth/seattle-to-marathon)
- [Flights from Tampa (TPA) to Marathon (MTH)](https://www.expedia.com/lp/flights/tpa/mth/tampa-to-marathon)
- [Flights from Fort Myers (RSW) to Marathon (MTH)](https://www.expedia.com/lp/flights/rsw/mth/fort-myers-to-marathon)
- [Flights from Raleigh (RDU) to Marathon (MTH)](https://www.expedia.com/lp/flights/rdu/mth/raleigh-to-marathon)
- [Flights from San Diego (SAN) to Marathon (MTH)](https://www.expedia.com/lp/flights/san/mth/san-diego-to-marathon)
- [Flights from Detroit (DTW) to Marathon (MTH)](https://www.expedia.com/lp/flights/dtw/mth/detroit-to-marathon)
- [Flights from Pensacola (PNS) to Marathon (MTH)](https://www.expedia.com/lp/flights/pns/mth/pensacola-to-marathon)
- [Flights from Orlando (MCO) to Key West (EYW)](https://www.expedia.com/lp/flights/mco/eyw/orlando-to-key-west)
- [Flights from Charleston (CHS) to Marathon (MTH)](https://www.expedia.com/lp/flights/chs/mth/charleston-to-marathon)
- [Flights from Columbia (CAE) to Marathon (MTH)](https://www.expedia.com/lp/flights/cae/mth/columbia-to-marathon)
- [Flights from Myrtle Beach (MYR) to Marathon (MTH)](https://www.expedia.com/lp/flights/myr/mth/myrtle-beach-to-marathon)

\*Available to One Key members.

## Other language versions

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